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Fix test failures introduced by PR #113697 (#116941)
[llvm-project.git] / llvm / unittests / Support / YAMLIOTest.cpp
bloba7d1b338719f3b7a626bc96d7089dfba86ed4267
1 //===- unittest/Support/YAMLIOTest.cpp ------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/ADT/BitmaskEnum.h"
10 #include "llvm/ADT/StringMap.h"
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/ADT/StringSwitch.h"
13 #include "llvm/ADT/Twine.h"
14 #include "llvm/Support/Casting.h"
15 #include "llvm/Support/Endian.h"
16 #include "llvm/Support/Format.h"
17 #include "llvm/Support/YAMLTraits.h"
18 #include "gmock/gmock.h"
19 #include "gtest/gtest.h"
20
21 using llvm::yaml::Hex16;
22 using llvm::yaml::Hex32;
23 using llvm::yaml::Hex64;
24 using llvm::yaml::Hex8;
25 using llvm::yaml::Input;
26 using llvm::yaml::isNumeric;
27 using llvm::yaml::MappingNormalization;
28 using llvm::yaml::MappingTraits;
29 using llvm::yaml::Output;
30 using llvm::yaml::ScalarTraits;
31 using ::testing::StartsWith;
32
33
34
35
36 static void suppressErrorMessages(const llvm::SMDiagnostic &, void *) {
37 }
38
39
40
41 //===----------------------------------------------------------------------===//
42 // Test MappingTraits
43 //===----------------------------------------------------------------------===//
44
45 struct FooBar {
46 int foo;
47 int bar;
48 };
49 typedef std::vector<FooBar> FooBarSequence;
50
51 LLVM_YAML_IS_SEQUENCE_VECTOR(FooBar)
52
53 struct FooBarContainer {
54 FooBarSequence fbs;
55 };
56
57 namespace llvm {
58 namespace yaml {
59 template <>
60 struct MappingTraits<FooBar> {
61 static void mapping(IO &io, FooBar& fb) {
62 io.mapRequired("foo", fb.foo);
63 io.mapRequired("bar", fb.bar);
64 }
65 };
66
67 template <> struct MappingTraits<FooBarContainer> {
68 static void mapping(IO &io, FooBarContainer &fb) {
69 io.mapRequired("fbs", fb.fbs);
70 }
71 };
72 }
73 }
74
75
76 //
77 // Test the reading of a yaml mapping
78 //
79 TEST(YAMLIO, TestMapRead) {
80 FooBar doc;
81 {
82 Input yin("---\nfoo: 3\nbar: 5\n...\n");
83 yin >> doc;
84
85 EXPECT_FALSE(yin.error());
86 EXPECT_EQ(doc.foo, 3);
87 EXPECT_EQ(doc.bar, 5);
88 }
89
90 {
91 Input yin("{foo: 3, bar: 5}");
92 yin >> doc;
93
94 EXPECT_FALSE(yin.error());
95 EXPECT_EQ(doc.foo, 3);
96 EXPECT_EQ(doc.bar, 5);
97 }
98
99 {
100 Input yin("{\"foo\": 3\n, \"bar\": 5}");
101 yin >> doc;
102
103 EXPECT_FALSE(yin.error());
104 EXPECT_EQ(doc.foo, 3);
105 EXPECT_EQ(doc.bar, 5);
106 }
107 }
108
109 TEST(YAMLIO, TestMalformedMapRead) {
110 FooBar doc;
111 Input yin("{foo: 3; bar: 5}", nullptr, suppressErrorMessages);
112 yin >> doc;
113 EXPECT_TRUE(!!yin.error());
114 }
115
116 TEST(YAMLIO, TestMapDuplicatedKeysRead) {
117 auto testDiagnostic = [](const llvm::SMDiagnostic &Error, void *) {
118 EXPECT_EQ(Error.getMessage(), "duplicated mapping key 'foo'");
119 };
120 FooBar doc;
121 Input yin("{foo: 3, bar: 5, foo: 4}", nullptr, testDiagnostic);
122 yin >> doc;
123 EXPECT_TRUE(!!yin.error());
124 }
125
126 //
127 // Test the reading of a yaml sequence of mappings
128 //
129 TEST(YAMLIO, TestSequenceMapRead) {
130 FooBarSequence seq;
131 Input yin("---\n - foo: 3\n bar: 5\n - foo: 7\n bar: 9\n...\n");
132 yin >> seq;
133
134 EXPECT_FALSE(yin.error());
135 EXPECT_EQ(seq.size(), 2UL);
136 FooBar& map1 = seq[0];
137 FooBar& map2 = seq[1];
138 EXPECT_EQ(map1.foo, 3);
139 EXPECT_EQ(map1.bar, 5);
140 EXPECT_EQ(map2.foo, 7);
141 EXPECT_EQ(map2.bar, 9);
142 }
143
144 //
145 // Test the reading of a map containing a yaml sequence of mappings
146 //
147 TEST(YAMLIO, TestContainerSequenceMapRead) {
148 {
149 FooBarContainer cont;
150 Input yin2("---\nfbs:\n - foo: 3\n bar: 5\n - foo: 7\n bar: 9\n...\n");
151 yin2 >> cont;
152
153 EXPECT_FALSE(yin2.error());
154 EXPECT_EQ(cont.fbs.size(), 2UL);
155 EXPECT_EQ(cont.fbs[0].foo, 3);
156 EXPECT_EQ(cont.fbs[0].bar, 5);
157 EXPECT_EQ(cont.fbs[1].foo, 7);
158 EXPECT_EQ(cont.fbs[1].bar, 9);
159 }
160
161 {
162 FooBarContainer cont;
163 Input yin("---\nfbs:\n...\n");
164 yin >> cont;
165 // Okay: Empty node represents an empty array.
166 EXPECT_FALSE(yin.error());
167 EXPECT_EQ(cont.fbs.size(), 0UL);
168 }
169
170 {
171 FooBarContainer cont;
172 Input yin("---\nfbs: !!null null\n...\n");
173 yin >> cont;
174 // Okay: null represents an empty array.
175 EXPECT_FALSE(yin.error());
176 EXPECT_EQ(cont.fbs.size(), 0UL);
177 }
178
179 {
180 FooBarContainer cont;
181 Input yin("---\nfbs: ~\n...\n");
182 yin >> cont;
183 // Okay: null represents an empty array.
184 EXPECT_FALSE(yin.error());
185 EXPECT_EQ(cont.fbs.size(), 0UL);
186 }
187
188 {
189 FooBarContainer cont;
190 Input yin("---\nfbs: null\n...\n");
191 yin >> cont;
192 // Okay: null represents an empty array.
193 EXPECT_FALSE(yin.error());
194 EXPECT_EQ(cont.fbs.size(), 0UL);
195 }
196 }
197
198 //
199 // Test the reading of a map containing a malformed yaml sequence
200 //
201 TEST(YAMLIO, TestMalformedContainerSequenceMapRead) {
202 {
203 FooBarContainer cont;
204 Input yin("---\nfbs:\n foo: 3\n bar: 5\n...\n", nullptr,
205 suppressErrorMessages);
206 yin >> cont;
207 // Error: fbs is not a sequence.
208 EXPECT_TRUE(!!yin.error());
209 EXPECT_EQ(cont.fbs.size(), 0UL);
210 }
211
212 {
213 FooBarContainer cont;
214 Input yin("---\nfbs: 'scalar'\n...\n", nullptr, suppressErrorMessages);
215 yin >> cont;
216 // This should be an error.
217 EXPECT_TRUE(!!yin.error());
218 EXPECT_EQ(cont.fbs.size(), 0UL);
219 }
220 }
221
222 //
223 // Test writing then reading back a sequence of mappings
224 //
225 TEST(YAMLIO, TestSequenceMapWriteAndRead) {
226 std::string intermediate;
227 {
228 FooBar entry1;
229 entry1.foo = 10;
230 entry1.bar = -3;
231 FooBar entry2;
232 entry2.foo = 257;
233 entry2.bar = 0;
234 FooBarSequence seq;
235 seq.push_back(entry1);
236 seq.push_back(entry2);
237
238 llvm::raw_string_ostream ostr(intermediate);
239 Output yout(ostr);
240 yout << seq;
241 }
242
243 {
244 Input yin(intermediate);
245 FooBarSequence seq2;
246 yin >> seq2;
247
248 EXPECT_FALSE(yin.error());
249 EXPECT_EQ(seq2.size(), 2UL);
250 FooBar& map1 = seq2[0];
251 FooBar& map2 = seq2[1];
252 EXPECT_EQ(map1.foo, 10);
253 EXPECT_EQ(map1.bar, -3);
254 EXPECT_EQ(map2.foo, 257);
255 EXPECT_EQ(map2.bar, 0);
256 }
257 }
258
259 //
260 // Test reading the entire struct as an enum.
261 //
262
263 struct FooBarEnum {
264 int Foo;
265 int Bar;
266 bool operator==(const FooBarEnum &R) const {
267 return Foo == R.Foo && Bar == R.Bar;
268 }
269 };
270
271 namespace llvm {
272 namespace yaml {
273 template <> struct MappingTraits<FooBarEnum> {
274 static void enumInput(IO &io, FooBarEnum &Val) {
275 io.enumCase(Val, "OnlyFoo", FooBarEnum({1, 0}));
276 io.enumCase(Val, "OnlyBar", FooBarEnum({0, 1}));
277 }
278 static void mapping(IO &io, FooBarEnum &Val) {
279 io.mapOptional("Foo", Val.Foo);
280 io.mapOptional("Bar", Val.Bar);
281 }
282 };
283 } // namespace yaml
284 } // namespace llvm
285
286 TEST(YAMLIO, TestMapEnumRead) {
287 FooBarEnum Doc;
288 {
289 Input Yin("OnlyFoo");
290 Yin >> Doc;
291 EXPECT_FALSE(Yin.error());
292 EXPECT_EQ(Doc.Foo, 1);
293 EXPECT_EQ(Doc.Bar, 0);
294 }
295 {
296 Input Yin("OnlyBar");
297 Yin >> Doc;
298 EXPECT_FALSE(Yin.error());
299 EXPECT_EQ(Doc.Foo, 0);
300 EXPECT_EQ(Doc.Bar, 1);
301 }
302 {
303 Input Yin("{Foo: 3, Bar: 5}");
304 Yin >> Doc;
305 EXPECT_FALSE(Yin.error());
306 EXPECT_EQ(Doc.Foo, 3);
307 EXPECT_EQ(Doc.Bar, 5);
308 }
309 }
310
311 //
312 // Test YAML filename handling.
313 //
314 static void testErrorFilename(const llvm::SMDiagnostic &Error, void *) {
315 EXPECT_EQ(Error.getFilename(), "foo.yaml");
316 }
317
318 TEST(YAMLIO, TestGivenFilename) {
319 auto Buffer = llvm::MemoryBuffer::getMemBuffer("{ x: 42 }", "foo.yaml");
320 Input yin(*Buffer, nullptr, testErrorFilename);
321 FooBar Value;
322 yin >> Value;
323
324 EXPECT_TRUE(!!yin.error());
325 }
326
327 struct WithStringField {
328 std::string str1;
329 std::string str2;
330 std::string str3;
331 };
332
333 namespace llvm {
334 namespace yaml {
335 template <> struct MappingTraits<WithStringField> {
336 static void mapping(IO &io, WithStringField &fb) {
337 io.mapRequired("str1", fb.str1);
338 io.mapRequired("str2", fb.str2);
339 io.mapRequired("str3", fb.str3);
340 }
341 };
342 } // namespace yaml
343 } // namespace llvm
344
345 TEST(YAMLIO, MultilineStrings) {
346 WithStringField Original;
347 Original.str1 = "a multiline string\nfoobarbaz";
348 Original.str2 = "another one\rfoobarbaz";
349 Original.str3 = "a one-line string";
350
351 std::string Serialized;
352 {
353 llvm::raw_string_ostream OS(Serialized);
354 Output YOut(OS);
355 YOut << Original;
356 }
357 auto Expected = "---\n"
358 "str1: \"a multiline string\\nfoobarbaz\"\n"
359 "str2: \"another one\\rfoobarbaz\"\n"
360 "str3: a one-line string\n"
361 "...\n";
362 ASSERT_EQ(Serialized, Expected);
363
364 // Also check it parses back without the errors.
365 WithStringField Deserialized;
366 {
367 Input YIn(Serialized);
368 YIn >> Deserialized;
369 ASSERT_FALSE(YIn.error())
370 << "Parsing error occurred during deserialization. Serialized string:\n"
371 << Serialized;
372 }
373 EXPECT_EQ(Original.str1, Deserialized.str1);
374 EXPECT_EQ(Original.str2, Deserialized.str2);
375 EXPECT_EQ(Original.str3, Deserialized.str3);
376 }
377
378 TEST(YAMLIO, NoQuotesForTab) {
379 WithStringField WithTab;
380 WithTab.str1 = "aba\tcaba";
381 std::string Serialized;
382 {
383 llvm::raw_string_ostream OS(Serialized);
384 Output YOut(OS);
385 YOut << WithTab;
386 }
387 auto ExpectedPrefix = "---\n"
388 "str1: aba\tcaba\n";
389 EXPECT_THAT(Serialized, StartsWith(ExpectedPrefix));
390 }
391
392 //===----------------------------------------------------------------------===//
393 // Test built-in types
394 //===----------------------------------------------------------------------===//
395
396 struct BuiltInTypes {
397 llvm::StringRef str;
398 std::string stdstr;
399 uint64_t u64;
400 uint32_t u32;
401 uint16_t u16;
402 uint8_t u8;
403 bool b;
404 int64_t s64;
405 int32_t s32;
406 int16_t s16;
407 int8_t s8;
408 float f;
409 double d;
410 Hex8 h8;
411 Hex16 h16;
412 Hex32 h32;
413 Hex64 h64;
414 };
415
416 namespace llvm {
417 namespace yaml {
418 template <>
419 struct MappingTraits<BuiltInTypes> {
420 static void mapping(IO &io, BuiltInTypes& bt) {
421 io.mapRequired("str", bt.str);
422 io.mapRequired("stdstr", bt.stdstr);
423 io.mapRequired("u64", bt.u64);
424 io.mapRequired("u32", bt.u32);
425 io.mapRequired("u16", bt.u16);
426 io.mapRequired("u8", bt.u8);
427 io.mapRequired("b", bt.b);
428 io.mapRequired("s64", bt.s64);
429 io.mapRequired("s32", bt.s32);
430 io.mapRequired("s16", bt.s16);
431 io.mapRequired("s8", bt.s8);
432 io.mapRequired("f", bt.f);
433 io.mapRequired("d", bt.d);
434 io.mapRequired("h8", bt.h8);
435 io.mapRequired("h16", bt.h16);
436 io.mapRequired("h32", bt.h32);
437 io.mapRequired("h64", bt.h64);
438 }
439 };
440 }
441 }
442
443
444 //
445 // Test the reading of all built-in scalar conversions
446 //
447 TEST(YAMLIO, TestReadBuiltInTypes) {
448 BuiltInTypes map;
449 Input yin("---\n"
450 "str: hello there\n"
451 "stdstr: hello where?\n"
452 "u64: 5000000000\n"
453 "u32: 4000000000\n"
454 "u16: 65000\n"
455 "u8: 255\n"
456 "b: false\n"
457 "s64: -5000000000\n"
458 "s32: -2000000000\n"
459 "s16: -32000\n"
460 "s8: -127\n"
461 "f: 137.125\n"
462 "d: -2.8625\n"
463 "h8: 0xFF\n"
464 "h16: 0x8765\n"
465 "h32: 0xFEDCBA98\n"
466 "h64: 0xFEDCBA9876543210\n"
467 "...\n");
468 yin >> map;
469
470 EXPECT_FALSE(yin.error());
471 EXPECT_EQ(map.str, "hello there");
472 EXPECT_EQ(map.stdstr, "hello where?");
473 EXPECT_EQ(map.u64, 5000000000ULL);
474 EXPECT_EQ(map.u32, 4000000000U);
475 EXPECT_EQ(map.u16, 65000);
476 EXPECT_EQ(map.u8, 255);
477 EXPECT_EQ(map.b, false);
478 EXPECT_EQ(map.s64, -5000000000LL);
479 EXPECT_EQ(map.s32, -2000000000L);
480 EXPECT_EQ(map.s16, -32000);
481 EXPECT_EQ(map.s8, -127);
482 EXPECT_EQ(map.f, 137.125);
483 EXPECT_EQ(map.d, -2.8625);
484 EXPECT_EQ(map.h8, Hex8(255));
485 EXPECT_EQ(map.h16, Hex16(0x8765));
486 EXPECT_EQ(map.h32, Hex32(0xFEDCBA98));
487 EXPECT_EQ(map.h64, Hex64(0xFEDCBA9876543210LL));
488 }
489
490
491 //
492 // Test writing then reading back all built-in scalar types
493 //
494 TEST(YAMLIO, TestReadWriteBuiltInTypes) {
495 std::string intermediate;
496 {
497 BuiltInTypes map;
498 map.str = "one two";
499 map.stdstr = "three four";
500 map.u64 = 6000000000ULL;
501 map.u32 = 3000000000U;
502 map.u16 = 50000;
503 map.u8 = 254;
504 map.b = true;
505 map.s64 = -6000000000LL;
506 map.s32 = -2000000000;
507 map.s16 = -32000;
508 map.s8 = -128;
509 map.f = 3.25;
510 map.d = -2.8625;
511 map.h8 = 254;
512 map.h16 = 50000;
513 map.h32 = 3000000000U;
514 map.h64 = 6000000000LL;
515
516 llvm::raw_string_ostream ostr(intermediate);
517 Output yout(ostr);
518 yout << map;
519 }
520
521 {
522 Input yin(intermediate);
523 BuiltInTypes map;
524 yin >> map;
525
526 EXPECT_FALSE(yin.error());
527 EXPECT_EQ(map.str, "one two");
528 EXPECT_EQ(map.stdstr, "three four");
529 EXPECT_EQ(map.u64, 6000000000ULL);
530 EXPECT_EQ(map.u32, 3000000000U);
531 EXPECT_EQ(map.u16, 50000);
532 EXPECT_EQ(map.u8, 254);
533 EXPECT_EQ(map.b, true);
534 EXPECT_EQ(map.s64, -6000000000LL);
535 EXPECT_EQ(map.s32, -2000000000L);
536 EXPECT_EQ(map.s16, -32000);
537 EXPECT_EQ(map.s8, -128);
538 EXPECT_EQ(map.f, 3.25);
539 EXPECT_EQ(map.d, -2.8625);
540 EXPECT_EQ(map.h8, Hex8(254));
541 EXPECT_EQ(map.h16, Hex16(50000));
542 EXPECT_EQ(map.h32, Hex32(3000000000U));
543 EXPECT_EQ(map.h64, Hex64(6000000000LL));
544 }
545 }
546
547 //===----------------------------------------------------------------------===//
548 // Test endian-aware types
549 //===----------------------------------------------------------------------===//
550
551 struct EndianTypes {
552 typedef llvm::support::detail::packed_endian_specific_integral<
553 float, llvm::endianness::little, llvm::support::unaligned>
554 ulittle_float;
555 typedef llvm::support::detail::packed_endian_specific_integral<
556 double, llvm::endianness::little, llvm::support::unaligned>
557 ulittle_double;
558
559 llvm::support::ulittle64_t u64;
560 llvm::support::ulittle32_t u32;
561 llvm::support::ulittle16_t u16;
562 llvm::support::little64_t s64;
563 llvm::support::little32_t s32;
564 llvm::support::little16_t s16;
565 ulittle_float f;
566 ulittle_double d;
567 };
568
569 namespace llvm {
570 namespace yaml {
571 template <> struct MappingTraits<EndianTypes> {
572 static void mapping(IO &io, EndianTypes &et) {
573 io.mapRequired("u64", et.u64);
574 io.mapRequired("u32", et.u32);
575 io.mapRequired("u16", et.u16);
576 io.mapRequired("s64", et.s64);
577 io.mapRequired("s32", et.s32);
578 io.mapRequired("s16", et.s16);
579 io.mapRequired("f", et.f);
580 io.mapRequired("d", et.d);
581 }
582 };
583 }
584 }
585
586 //
587 // Test the reading of all endian scalar conversions
588 //
589 TEST(YAMLIO, TestReadEndianTypes) {
590 EndianTypes map;
591 Input yin("---\n"
592 "u64: 5000000000\n"
593 "u32: 4000000000\n"
594 "u16: 65000\n"
595 "s64: -5000000000\n"
596 "s32: -2000000000\n"
597 "s16: -32000\n"
598 "f: 3.25\n"
599 "d: -2.8625\n"
600 "...\n");
601 yin >> map;
602
603 EXPECT_FALSE(yin.error());
604 EXPECT_EQ(map.u64, 5000000000ULL);
605 EXPECT_EQ(map.u32, 4000000000U);
606 EXPECT_EQ(map.u16, 65000);
607 EXPECT_EQ(map.s64, -5000000000LL);
608 EXPECT_EQ(map.s32, -2000000000L);
609 EXPECT_EQ(map.s16, -32000);
610 EXPECT_EQ(map.f, 3.25f);
611 EXPECT_EQ(map.d, -2.8625);
612 }
613
614 //
615 // Test writing then reading back all endian-aware scalar types
616 //
617 TEST(YAMLIO, TestReadWriteEndianTypes) {
618 std::string intermediate;
619 {
620 EndianTypes map;
621 map.u64 = 6000000000ULL;
622 map.u32 = 3000000000U;
623 map.u16 = 50000;
624 map.s64 = -6000000000LL;
625 map.s32 = -2000000000;
626 map.s16 = -32000;
627 map.f = 3.25f;
628 map.d = -2.8625;
629
630 llvm::raw_string_ostream ostr(intermediate);
631 Output yout(ostr);
632 yout << map;
633 }
634
635 {
636 Input yin(intermediate);
637 EndianTypes map;
638 yin >> map;
639
640 EXPECT_FALSE(yin.error());
641 EXPECT_EQ(map.u64, 6000000000ULL);
642 EXPECT_EQ(map.u32, 3000000000U);
643 EXPECT_EQ(map.u16, 50000);
644 EXPECT_EQ(map.s64, -6000000000LL);
645 EXPECT_EQ(map.s32, -2000000000L);
646 EXPECT_EQ(map.s16, -32000);
647 EXPECT_EQ(map.f, 3.25f);
648 EXPECT_EQ(map.d, -2.8625);
649 }
650 }
651
652 enum class Enum : uint16_t { One, Two };
653 enum class BitsetEnum : uint16_t {
654 ZeroOne = 0x01,
655 OneZero = 0x10,
656 LLVM_MARK_AS_BITMASK_ENUM(/*LargestValue*/ OneZero),
657 };
658 LLVM_ENABLE_BITMASK_ENUMS_IN_NAMESPACE();
659 struct EndianEnums {
660 llvm::support::little_t<Enum> LittleEnum;
661 llvm::support::big_t<Enum> BigEnum;
662 llvm::support::little_t<BitsetEnum> LittleBitset;
663 llvm::support::big_t<BitsetEnum> BigBitset;
664 };
665 namespace llvm {
666 namespace yaml {
667 template <> struct ScalarEnumerationTraits<Enum> {
668 static void enumeration(IO &io, Enum &E) {
669 io.enumCase(E, "One", Enum::One);
670 io.enumCase(E, "Two", Enum::Two);
671 }
672 };
673
674 template <> struct ScalarBitSetTraits<BitsetEnum> {
675 static void bitset(IO &io, BitsetEnum &E) {
676 io.bitSetCase(E, "ZeroOne", BitsetEnum::ZeroOne);
677 io.bitSetCase(E, "OneZero", BitsetEnum::OneZero);
678 }
679 };
680
681 template <> struct MappingTraits<EndianEnums> {
682 static void mapping(IO &io, EndianEnums &EE) {
683 io.mapRequired("LittleEnum", EE.LittleEnum);
684 io.mapRequired("BigEnum", EE.BigEnum);
685 io.mapRequired("LittleBitset", EE.LittleBitset);
686 io.mapRequired("BigBitset", EE.BigBitset);
687 }
688 };
689 } // namespace yaml
690 } // namespace llvm
691
692 TEST(YAMLIO, TestReadEndianEnums) {
693 EndianEnums map;
694 Input yin("---\n"
695 "LittleEnum: One\n"
696 "BigEnum: Two\n"
697 "LittleBitset: [ ZeroOne ]\n"
698 "BigBitset: [ ZeroOne, OneZero ]\n"
699 "...\n");
700 yin >> map;
701
702 EXPECT_FALSE(yin.error());
703 EXPECT_EQ(Enum::One, map.LittleEnum);
704 EXPECT_EQ(Enum::Two, map.BigEnum);
705 EXPECT_EQ(BitsetEnum::ZeroOne, map.LittleBitset);
706 EXPECT_EQ(BitsetEnum::ZeroOne | BitsetEnum::OneZero, map.BigBitset);
707 }
708
709 TEST(YAMLIO, TestReadWriteEndianEnums) {
710 std::string intermediate;
711 {
712 EndianEnums map;
713 map.LittleEnum = Enum::Two;
714 map.BigEnum = Enum::One;
715 map.LittleBitset = BitsetEnum::OneZero | BitsetEnum::ZeroOne;
716 map.BigBitset = BitsetEnum::OneZero;
717
718 llvm::raw_string_ostream ostr(intermediate);
719 Output yout(ostr);
720 yout << map;
721 }
722
723 {
724 Input yin(intermediate);
725 EndianEnums map;
726 yin >> map;
727
728 EXPECT_FALSE(yin.error());
729 EXPECT_EQ(Enum::Two, map.LittleEnum);
730 EXPECT_EQ(Enum::One, map.BigEnum);
731 EXPECT_EQ(BitsetEnum::OneZero | BitsetEnum::ZeroOne, map.LittleBitset);
732 EXPECT_EQ(BitsetEnum::OneZero, map.BigBitset);
733 }
734 }
735
736 struct StringTypes {
737 llvm::StringRef str1;
738 llvm::StringRef str2;
739 llvm::StringRef str3;
740 llvm::StringRef str4;
741 llvm::StringRef str5;
742 llvm::StringRef str6;
743 llvm::StringRef str7;
744 llvm::StringRef str8;
745 llvm::StringRef str9;
746 llvm::StringRef str10;
747 llvm::StringRef str11;
748 std::string stdstr1;
749 std::string stdstr2;
750 std::string stdstr3;
751 std::string stdstr4;
752 std::string stdstr5;
753 std::string stdstr6;
754 std::string stdstr7;
755 std::string stdstr8;
756 std::string stdstr9;
757 std::string stdstr10;
758 std::string stdstr11;
759 std::string stdstr12;
760 std::string stdstr13;
761 };
762
763 namespace llvm {
764 namespace yaml {
765 template <>
766 struct MappingTraits<StringTypes> {
767 static void mapping(IO &io, StringTypes& st) {
768 io.mapRequired("str1", st.str1);
769 io.mapRequired("str2", st.str2);
770 io.mapRequired("str3", st.str3);
771 io.mapRequired("str4", st.str4);
772 io.mapRequired("str5", st.str5);
773 io.mapRequired("str6", st.str6);
774 io.mapRequired("str7", st.str7);
775 io.mapRequired("str8", st.str8);
776 io.mapRequired("str9", st.str9);
777 io.mapRequired("str10", st.str10);
778 io.mapRequired("str11", st.str11);
779 io.mapRequired("stdstr1", st.stdstr1);
780 io.mapRequired("stdstr2", st.stdstr2);
781 io.mapRequired("stdstr3", st.stdstr3);
782 io.mapRequired("stdstr4", st.stdstr4);
783 io.mapRequired("stdstr5", st.stdstr5);
784 io.mapRequired("stdstr6", st.stdstr6);
785 io.mapRequired("stdstr7", st.stdstr7);
786 io.mapRequired("stdstr8", st.stdstr8);
787 io.mapRequired("stdstr9", st.stdstr9);
788 io.mapRequired("stdstr10", st.stdstr10);
789 io.mapRequired("stdstr11", st.stdstr11);
790 io.mapRequired("stdstr12", st.stdstr12);
791 io.mapRequired("stdstr13", st.stdstr13);
792 }
793 };
794 }
795 }
796
797 TEST(YAMLIO, TestReadWriteStringTypes) {
798 std::string intermediate;
799 {
800 StringTypes map;
801 map.str1 = "'aaa";
802 map.str2 = "\"bbb";
803 map.str3 = "`ccc";
804 map.str4 = "@ddd";
805 map.str5 = "";
806 map.str6 = "0000000004000000";
807 map.str7 = "true";
808 map.str8 = "FALSE";
809 map.str9 = "~";
810 map.str10 = "0.2e20";
811 map.str11 = "0x30";
812 map.stdstr1 = "'eee";
813 map.stdstr2 = "\"fff";
814 map.stdstr3 = "`ggg";
815 map.stdstr4 = "@hhh";
816 map.stdstr5 = "";
817 map.stdstr6 = "0000000004000000";
818 map.stdstr7 = "true";
819 map.stdstr8 = "FALSE";
820 map.stdstr9 = "~";
821 map.stdstr10 = "0.2e20";
822 map.stdstr11 = "0x30";
823 map.stdstr12 = "- match";
824 map.stdstr13.assign("\0a\0b\0", 5);
825
826 llvm::raw_string_ostream ostr(intermediate);
827 Output yout(ostr);
828 yout << map;
829 }
830
831 llvm::StringRef flowOut(intermediate);
832 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'''aaa"));
833 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'\"bbb'"));
834 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'`ccc'"));
835 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'@ddd'"));
836 EXPECT_NE(llvm::StringRef::npos, flowOut.find("''\n"));
837 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0000000004000000'\n"));
838 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'true'\n"));
839 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'FALSE'\n"));
840 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'~'\n"));
841 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0.2e20'\n"));
842 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'0x30'\n"));
843 EXPECT_NE(llvm::StringRef::npos, flowOut.find("'- match'\n"));
844 EXPECT_NE(std::string::npos, flowOut.find("'''eee"));
845 EXPECT_NE(std::string::npos, flowOut.find("'\"fff'"));
846 EXPECT_NE(std::string::npos, flowOut.find("'`ggg'"));
847 EXPECT_NE(std::string::npos, flowOut.find("'@hhh'"));
848 EXPECT_NE(std::string::npos, flowOut.find("''\n"));
849 EXPECT_NE(std::string::npos, flowOut.find("'0000000004000000'\n"));
850 EXPECT_NE(std::string::npos, flowOut.find("\"\\0a\\0b\\0\""));
851
852 {
853 Input yin(intermediate);
854 StringTypes map;
855 yin >> map;
856
857 EXPECT_FALSE(yin.error());
858 EXPECT_EQ(map.str1, "'aaa");
859 EXPECT_EQ(map.str2, "\"bbb");
860 EXPECT_EQ(map.str3, "`ccc");
861 EXPECT_EQ(map.str4, "@ddd");
862 EXPECT_EQ(map.str5, "");
863 EXPECT_EQ(map.str6, "0000000004000000");
864 EXPECT_EQ(map.stdstr1, "'eee");
865 EXPECT_EQ(map.stdstr2, "\"fff");
866 EXPECT_EQ(map.stdstr3, "`ggg");
867 EXPECT_EQ(map.stdstr4, "@hhh");
868 EXPECT_EQ(map.stdstr5, "");
869 EXPECT_EQ(map.stdstr6, "0000000004000000");
870 EXPECT_EQ(std::string("\0a\0b\0", 5), map.stdstr13);
871 }
872 }
873
874 //===----------------------------------------------------------------------===//
875 // Test ScalarEnumerationTraits
876 //===----------------------------------------------------------------------===//
877
878 enum Colors {
879 cRed,
880 cBlue,
881 cGreen,
882 cYellow
883 };
884
885 struct ColorMap {
886 Colors c1;
887 Colors c2;
888 Colors c3;
889 Colors c4;
890 Colors c5;
891 Colors c6;
892 };
893
894 namespace llvm {
895 namespace yaml {
896 template <>
897 struct ScalarEnumerationTraits<Colors> {
898 static void enumeration(IO &io, Colors &value) {
899 io.enumCase(value, "red", cRed);
900 io.enumCase(value, "blue", cBlue);
901 io.enumCase(value, "green", cGreen);
902 io.enumCase(value, "yellow",cYellow);
903 }
904 };
905 template <>
906 struct MappingTraits<ColorMap> {
907 static void mapping(IO &io, ColorMap& c) {
908 io.mapRequired("c1", c.c1);
909 io.mapRequired("c2", c.c2);
910 io.mapRequired("c3", c.c3);
911 io.mapOptional("c4", c.c4, cBlue); // supplies default
912 io.mapOptional("c5", c.c5, cYellow); // supplies default
913 io.mapOptional("c6", c.c6, cRed); // supplies default
914 }
915 };
916 }
917 }
918
919
920 //
921 // Test reading enumerated scalars
922 //
923 TEST(YAMLIO, TestEnumRead) {
924 ColorMap map;
925 Input yin("---\n"
926 "c1: blue\n"
927 "c2: red\n"
928 "c3: green\n"
929 "c5: yellow\n"
930 "...\n");
931 yin >> map;
932
933 EXPECT_FALSE(yin.error());
934 EXPECT_EQ(cBlue, map.c1);
935 EXPECT_EQ(cRed, map.c2);
936 EXPECT_EQ(cGreen, map.c3);
937 EXPECT_EQ(cBlue, map.c4); // tests default
938 EXPECT_EQ(cYellow,map.c5); // tests overridden
939 EXPECT_EQ(cRed, map.c6); // tests default
940 }
941
942
943
944 //===----------------------------------------------------------------------===//
945 // Test ScalarBitSetTraits
946 //===----------------------------------------------------------------------===//
947
948 enum MyFlags {
949 flagNone = 0,
950 flagBig = 1 << 0,
951 flagFlat = 1 << 1,
952 flagRound = 1 << 2,
953 flagPointy = 1 << 3
954 };
955 inline MyFlags operator|(MyFlags a, MyFlags b) {
956 return static_cast<MyFlags>(
957 static_cast<uint32_t>(a) | static_cast<uint32_t>(b));
958 }
959
960 struct FlagsMap {
961 MyFlags f1;
962 MyFlags f2;
963 MyFlags f3;
964 MyFlags f4;
965 };
966
967
968 namespace llvm {
969 namespace yaml {
970 template <>
971 struct ScalarBitSetTraits<MyFlags> {
972 static void bitset(IO &io, MyFlags &value) {
973 io.bitSetCase(value, "big", flagBig);
974 io.bitSetCase(value, "flat", flagFlat);
975 io.bitSetCase(value, "round", flagRound);
976 io.bitSetCase(value, "pointy",flagPointy);
977 }
978 };
979 template <>
980 struct MappingTraits<FlagsMap> {
981 static void mapping(IO &io, FlagsMap& c) {
982 io.mapRequired("f1", c.f1);
983 io.mapRequired("f2", c.f2);
984 io.mapRequired("f3", c.f3);
985 io.mapOptional("f4", c.f4, flagRound);
986 }
987 };
988 }
989 }
990
991
992 //
993 // Test reading flow sequence representing bit-mask values
994 //
995 TEST(YAMLIO, TestFlagsRead) {
996 FlagsMap map;
997 Input yin("---\n"
998 "f1: [ big ]\n"
999 "f2: [ round, flat ]\n"
1000 "f3: []\n"
1001 "...\n");
1002 yin >> map;
1003
1004 EXPECT_FALSE(yin.error());
1005 EXPECT_EQ(flagBig, map.f1);
1006 EXPECT_EQ(flagRound|flagFlat, map.f2);
1007 EXPECT_EQ(flagNone, map.f3); // check empty set
1008 EXPECT_EQ(flagRound, map.f4); // check optional key
1009 }
1010
1011
1012 //
1013 // Test writing then reading back bit-mask values
1014 //
1015 TEST(YAMLIO, TestReadWriteFlags) {
1016 std::string intermediate;
1017 {
1018 FlagsMap map;
1019 map.f1 = flagBig;
1020 map.f2 = flagRound | flagFlat;
1021 map.f3 = flagNone;
1022 map.f4 = flagNone;
1023
1024 llvm::raw_string_ostream ostr(intermediate);
1025 Output yout(ostr);
1026 yout << map;
1027 }
1028
1029 {
1030 Input yin(intermediate);
1031 FlagsMap map2;
1032 yin >> map2;
1033
1034 EXPECT_FALSE(yin.error());
1035 EXPECT_EQ(flagBig, map2.f1);
1036 EXPECT_EQ(flagRound|flagFlat, map2.f2);
1037 EXPECT_EQ(flagNone, map2.f3);
1038 //EXPECT_EQ(flagRound, map2.f4); // check optional key
1039 }
1040 }
1041
1042
1043
1044 //===----------------------------------------------------------------------===//
1045 // Test ScalarTraits
1046 //===----------------------------------------------------------------------===//
1047
1048 struct MyCustomType {
1049 int length;
1050 int width;
1051 };
1052
1053 struct MyCustomTypeMap {
1054 MyCustomType f1;
1055 MyCustomType f2;
1056 int f3;
1057 };
1058
1059
1060 namespace llvm {
1061 namespace yaml {
1062 template <>
1063 struct MappingTraits<MyCustomTypeMap> {
1064 static void mapping(IO &io, MyCustomTypeMap& s) {
1065 io.mapRequired("f1", s.f1);
1066 io.mapRequired("f2", s.f2);
1067 io.mapRequired("f3", s.f3);
1068 }
1069 };
1070 // MyCustomType is formatted as a yaml scalar. A value of
1071 // {length=3, width=4} would be represented in yaml as "3 by 4".
1072 template<>
1073 struct ScalarTraits<MyCustomType> {
1074 static void output(const MyCustomType &value, void* ctxt, llvm::raw_ostream &out) {
1075 out << llvm::format("%d by %d", value.length, value.width);
1076 }
1077 static StringRef input(StringRef scalar, void* ctxt, MyCustomType &value) {
1078 size_t byStart = scalar.find("by");
1079 if ( byStart != StringRef::npos ) {
1080 StringRef lenStr = scalar.slice(0, byStart);
1081 lenStr = lenStr.rtrim();
1082 if ( lenStr.getAsInteger(0, value.length) ) {
1083 return "malformed length";
1084 }
1085 StringRef widthStr = scalar.drop_front(byStart+2);
1086 widthStr = widthStr.ltrim();
1087 if ( widthStr.getAsInteger(0, value.width) ) {
1088 return "malformed width";
1089 }
1090 return StringRef();
1091 }
1092 else {
1093 return "malformed by";
1094 }
1095 }
1096 static QuotingType mustQuote(StringRef) { return QuotingType::Single; }
1097 };
1098 }
1099 }
1100
1101
1102 //
1103 // Test writing then reading back custom values
1104 //
1105 TEST(YAMLIO, TestReadWriteMyCustomType) {
1106 std::string intermediate;
1107 {
1108 MyCustomTypeMap map;
1109 map.f1.length = 1;
1110 map.f1.width = 4;
1111 map.f2.length = 100;
1112 map.f2.width = 400;
1113 map.f3 = 10;
1114
1115 llvm::raw_string_ostream ostr(intermediate);
1116 Output yout(ostr);
1117 yout << map;
1118 }
1119
1120 {
1121 Input yin(intermediate);
1122 MyCustomTypeMap map2;
1123 yin >> map2;
1124
1125 EXPECT_FALSE(yin.error());
1126 EXPECT_EQ(1, map2.f1.length);
1127 EXPECT_EQ(4, map2.f1.width);
1128 EXPECT_EQ(100, map2.f2.length);
1129 EXPECT_EQ(400, map2.f2.width);
1130 EXPECT_EQ(10, map2.f3);
1131 }
1132 }
1133
1134
1135 //===----------------------------------------------------------------------===//
1136 // Test BlockScalarTraits
1137 //===----------------------------------------------------------------------===//
1138
1139 struct MultilineStringType {
1140 std::string str;
1141 };
1142
1143 struct MultilineStringTypeMap {
1144 MultilineStringType name;
1145 MultilineStringType description;
1146 MultilineStringType ingredients;
1147 MultilineStringType recipes;
1148 MultilineStringType warningLabels;
1149 MultilineStringType documentation;
1150 int price;
1151 };
1152
1153 namespace llvm {
1154 namespace yaml {
1155 template <>
1156 struct MappingTraits<MultilineStringTypeMap> {
1157 static void mapping(IO &io, MultilineStringTypeMap& s) {
1158 io.mapRequired("name", s.name);
1159 io.mapRequired("description", s.description);
1160 io.mapRequired("ingredients", s.ingredients);
1161 io.mapRequired("recipes", s.recipes);
1162 io.mapRequired("warningLabels", s.warningLabels);
1163 io.mapRequired("documentation", s.documentation);
1164 io.mapRequired("price", s.price);
1165 }
1166 };
1167
1168 // MultilineStringType is formatted as a yaml block literal scalar. A value of
1169 // "Hello\nWorld" would be represented in yaml as
1170 // |
1171 // Hello
1172 // World
1173 template <>
1174 struct BlockScalarTraits<MultilineStringType> {
1175 static void output(const MultilineStringType &value, void *ctxt,
1176 llvm::raw_ostream &out) {
1177 out << value.str;
1178 }
1179 static StringRef input(StringRef scalar, void *ctxt,
1180 MultilineStringType &value) {
1181 value.str = scalar.str();
1182 return StringRef();
1183 }
1184 };
1185 }
1186 }
1187
1188 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MultilineStringType)
1189
1190 //
1191 // Test writing then reading back custom values
1192 //
1193 TEST(YAMLIO, TestReadWriteMultilineStringType) {
1194 std::string intermediate;
1195 {
1196 MultilineStringTypeMap map;
1197 map.name.str = "An Item";
1198 map.description.str = "Hello\nWorld";
1199 map.ingredients.str = "SubItem 1\nSub Item 2\n\nSub Item 3\n";
1200 map.recipes.str = "\n\nTest 1\n\n\n";
1201 map.warningLabels.str = "";
1202 map.documentation.str = "\n\n";
1203 map.price = 350;
1204
1205 llvm::raw_string_ostream ostr(intermediate);
1206 Output yout(ostr);
1207 yout << map;
1208 }
1209 {
1210 Input yin(intermediate);
1211 MultilineStringTypeMap map2;
1212 yin >> map2;
1213
1214 EXPECT_FALSE(yin.error());
1215 EXPECT_EQ(map2.name.str, "An Item\n");
1216 EXPECT_EQ(map2.description.str, "Hello\nWorld\n");
1217 EXPECT_EQ(map2.ingredients.str, "SubItem 1\nSub Item 2\n\nSub Item 3\n");
1218 EXPECT_EQ(map2.recipes.str, "\n\nTest 1\n");
1219 EXPECT_TRUE(map2.warningLabels.str.empty());
1220 EXPECT_TRUE(map2.documentation.str.empty());
1221 EXPECT_EQ(map2.price, 350);
1222 }
1223 }
1224
1225 //
1226 // Test writing then reading back custom values
1227 //
1228 TEST(YAMLIO, TestReadWriteBlockScalarDocuments) {
1229 std::string intermediate;
1230 {
1231 std::vector<MultilineStringType> documents;
1232 MultilineStringType doc;
1233 doc.str = "Hello\nWorld";
1234 documents.push_back(doc);
1235
1236 llvm::raw_string_ostream ostr(intermediate);
1237 Output yout(ostr);
1238 yout << documents;
1239
1240 // Verify that the block scalar header was written out on the same line
1241 // as the document marker.
1242 EXPECT_NE(llvm::StringRef::npos,
1243 llvm::StringRef(intermediate).find("--- |"));
1244 }
1245 {
1246 Input yin(intermediate);
1247 std::vector<MultilineStringType> documents2;
1248 yin >> documents2;
1249
1250 EXPECT_FALSE(yin.error());
1251 EXPECT_EQ(documents2.size(), size_t(1));
1252 EXPECT_EQ(documents2[0].str, "Hello\nWorld\n");
1253 }
1254 }
1255
1256 TEST(YAMLIO, TestReadWriteBlockScalarValue) {
1257 std::string intermediate;
1258 {
1259 MultilineStringType doc;
1260 doc.str = "Just a block\nscalar doc";
1261
1262 llvm::raw_string_ostream ostr(intermediate);
1263 Output yout(ostr);
1264 yout << doc;
1265 }
1266 {
1267 Input yin(intermediate);
1268 MultilineStringType doc;
1269 yin >> doc;
1270
1271 EXPECT_FALSE(yin.error());
1272 EXPECT_EQ(doc.str, "Just a block\nscalar doc\n");
1273 }
1274 }
1275
1276 //===----------------------------------------------------------------------===//
1277 // Test flow sequences
1278 //===----------------------------------------------------------------------===//
1279
1280 LLVM_YAML_STRONG_TYPEDEF(int, MyNumber)
1281 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(MyNumber)
1282 LLVM_YAML_STRONG_TYPEDEF(llvm::StringRef, MyString)
1283 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(MyString)
1284
1285 namespace llvm {
1286 namespace yaml {
1287 template<>
1288 struct ScalarTraits<MyNumber> {
1289 static void output(const MyNumber &value, void *, llvm::raw_ostream &out) {
1290 out << value;
1291 }
1292
1293 static StringRef input(StringRef scalar, void *, MyNumber &value) {
1294 long long n;
1295 if ( getAsSignedInteger(scalar, 0, n) )
1296 return "invalid number";
1297 value = n;
1298 return StringRef();
1299 }
1300
1301 static QuotingType mustQuote(StringRef) { return QuotingType::None; }
1302 };
1303
1304 template <> struct ScalarTraits<MyString> {
1305 using Impl = ScalarTraits<StringRef>;
1306 static void output(const MyString &V, void *Ctx, raw_ostream &OS) {
1307 Impl::output(V, Ctx, OS);
1308 }
1309 static StringRef input(StringRef S, void *Ctx, MyString &V) {
1310 return Impl::input(S, Ctx, V.value);
1311 }
1312 static QuotingType mustQuote(StringRef S) {
1313 return Impl::mustQuote(S);
1314 }
1315 };
1316 }
1317 }
1318
1319 struct NameAndNumbers {
1320 llvm::StringRef name;
1321 std::vector<MyString> strings;
1322 std::vector<MyNumber> single;
1323 std::vector<MyNumber> numbers;
1324 };
1325
1326 namespace llvm {
1327 namespace yaml {
1328 template <>
1329 struct MappingTraits<NameAndNumbers> {
1330 static void mapping(IO &io, NameAndNumbers& nn) {
1331 io.mapRequired("name", nn.name);
1332 io.mapRequired("strings", nn.strings);
1333 io.mapRequired("single", nn.single);
1334 io.mapRequired("numbers", nn.numbers);
1335 }
1336 };
1337 }
1338 }
1339
1340 typedef std::vector<MyNumber> MyNumberFlowSequence;
1341
1342 LLVM_YAML_IS_SEQUENCE_VECTOR(MyNumberFlowSequence)
1343
1344 struct NameAndNumbersFlow {
1345 llvm::StringRef name;
1346 std::vector<MyNumberFlowSequence> sequenceOfNumbers;
1347 };
1348
1349 namespace llvm {
1350 namespace yaml {
1351 template <>
1352 struct MappingTraits<NameAndNumbersFlow> {
1353 static void mapping(IO &io, NameAndNumbersFlow& nn) {
1354 io.mapRequired("name", nn.name);
1355 io.mapRequired("sequenceOfNumbers", nn.sequenceOfNumbers);
1356 }
1357 };
1358 }
1359 }
1360
1361 //
1362 // Test writing then reading back custom values
1363 //
1364 TEST(YAMLIO, TestReadWriteMyFlowSequence) {
1365 std::string intermediate;
1366 {
1367 NameAndNumbers map;
1368 map.name = "hello";
1369 map.strings.push_back(llvm::StringRef("one"));
1370 map.strings.push_back(llvm::StringRef("two"));
1371 map.single.push_back(1);
1372 map.numbers.push_back(10);
1373 map.numbers.push_back(-30);
1374 map.numbers.push_back(1024);
1375
1376 llvm::raw_string_ostream ostr(intermediate);
1377 Output yout(ostr);
1378 yout << map;
1379
1380 // Verify sequences were written in flow style
1381 llvm::StringRef flowOut(intermediate);
1382 EXPECT_NE(llvm::StringRef::npos, flowOut.find("one, two"));
1383 EXPECT_NE(llvm::StringRef::npos, flowOut.find("10, -30, 1024"));
1384 }
1385
1386 {
1387 Input yin(intermediate);
1388 NameAndNumbers map2;
1389 yin >> map2;
1390
1391 EXPECT_FALSE(yin.error());
1392 EXPECT_TRUE(map2.name == "hello");
1393 EXPECT_EQ(map2.strings.size(), 2UL);
1394 EXPECT_TRUE(map2.strings[0].value == "one");
1395 EXPECT_TRUE(map2.strings[1].value == "two");
1396 EXPECT_EQ(map2.single.size(), 1UL);
1397 EXPECT_EQ(1, map2.single[0]);
1398 EXPECT_EQ(map2.numbers.size(), 3UL);
1399 EXPECT_EQ(10, map2.numbers[0]);
1400 EXPECT_EQ(-30, map2.numbers[1]);
1401 EXPECT_EQ(1024, map2.numbers[2]);
1402 }
1403 }
1404
1405
1406 //
1407 // Test writing then reading back a sequence of flow sequences.
1408 //
1409 TEST(YAMLIO, TestReadWriteSequenceOfMyFlowSequence) {
1410 std::string intermediate;
1411 {
1412 NameAndNumbersFlow map;
1413 map.name = "hello";
1414 MyNumberFlowSequence single = { 0 };
1415 MyNumberFlowSequence numbers = { 12, 1, -512 };
1416 map.sequenceOfNumbers.push_back(single);
1417 map.sequenceOfNumbers.push_back(numbers);
1418 map.sequenceOfNumbers.push_back(MyNumberFlowSequence());
1419
1420 llvm::raw_string_ostream ostr(intermediate);
1421 Output yout(ostr);
1422 yout << map;
1423
1424 // Verify sequences were written in flow style
1425 // and that the parent sequence used '-'.
1426 llvm::StringRef flowOut(intermediate);
1427 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ 0 ]"));
1428 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ 12, 1, -512 ]"));
1429 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ ]"));
1430 }
1431
1432 {
1433 Input yin(intermediate);
1434 NameAndNumbersFlow map2;
1435 yin >> map2;
1436
1437 EXPECT_FALSE(yin.error());
1438 EXPECT_TRUE(map2.name == "hello");
1439 EXPECT_EQ(map2.sequenceOfNumbers.size(), 3UL);
1440 EXPECT_EQ(map2.sequenceOfNumbers[0].size(), 1UL);
1441 EXPECT_EQ(0, map2.sequenceOfNumbers[0][0]);
1442 EXPECT_EQ(map2.sequenceOfNumbers[1].size(), 3UL);
1443 EXPECT_EQ(12, map2.sequenceOfNumbers[1][0]);
1444 EXPECT_EQ(1, map2.sequenceOfNumbers[1][1]);
1445 EXPECT_EQ(-512, map2.sequenceOfNumbers[1][2]);
1446 EXPECT_TRUE(map2.sequenceOfNumbers[2].empty());
1447 }
1448 }
1449
1450 //===----------------------------------------------------------------------===//
1451 // Test normalizing/denormalizing
1452 //===----------------------------------------------------------------------===//
1453
1454 LLVM_YAML_STRONG_TYPEDEF(uint32_t, TotalSeconds)
1455
1456 typedef std::vector<TotalSeconds> SecondsSequence;
1457
1458 LLVM_YAML_IS_SEQUENCE_VECTOR(TotalSeconds)
1459
1460
1461 namespace llvm {
1462 namespace yaml {
1463 template <>
1464 struct MappingTraits<TotalSeconds> {
1465
1466 class NormalizedSeconds {
1467 public:
1468 NormalizedSeconds(IO &io)
1469 : hours(0), minutes(0), seconds(0) {
1470 }
1471 NormalizedSeconds(IO &, TotalSeconds &secs)
1472 : hours(secs/3600),
1473 minutes((secs - (hours*3600))/60),
1474 seconds(secs % 60) {
1475 }
1476 TotalSeconds denormalize(IO &) {
1477 return TotalSeconds(hours*3600 + minutes*60 + seconds);
1478 }
1479
1480 uint32_t hours;
1481 uint8_t minutes;
1482 uint8_t seconds;
1483 };
1484
1485 static void mapping(IO &io, TotalSeconds &secs) {
1486 MappingNormalization<NormalizedSeconds, TotalSeconds> keys(io, secs);
1487
1488 io.mapOptional("hours", keys->hours, 0);
1489 io.mapOptional("minutes", keys->minutes, 0);
1490 io.mapRequired("seconds", keys->seconds);
1491 }
1492 };
1493 }
1494 }
1495
1496
1497 //
1498 // Test the reading of a yaml sequence of mappings
1499 //
1500 TEST(YAMLIO, TestReadMySecondsSequence) {
1501 SecondsSequence seq;
1502 Input yin("---\n - hours: 1\n seconds: 5\n - seconds: 59\n...\n");
1503 yin >> seq;
1504
1505 EXPECT_FALSE(yin.error());
1506 EXPECT_EQ(seq.size(), 2UL);
1507 EXPECT_EQ(seq[0], 3605U);
1508 EXPECT_EQ(seq[1], 59U);
1509 }
1510
1511
1512 //
1513 // Test writing then reading back custom values
1514 //
1515 TEST(YAMLIO, TestReadWriteMySecondsSequence) {
1516 std::string intermediate;
1517 {
1518 SecondsSequence seq;
1519 seq.push_back(4000);
1520 seq.push_back(500);
1521 seq.push_back(59);
1522
1523 llvm::raw_string_ostream ostr(intermediate);
1524 Output yout(ostr);
1525 yout << seq;
1526 }
1527 {
1528 Input yin(intermediate);
1529 SecondsSequence seq2;
1530 yin >> seq2;
1531
1532 EXPECT_FALSE(yin.error());
1533 EXPECT_EQ(seq2.size(), 3UL);
1534 EXPECT_EQ(seq2[0], 4000U);
1535 EXPECT_EQ(seq2[1], 500U);
1536 EXPECT_EQ(seq2[2], 59U);
1537 }
1538 }
1539
1540
1541 //===----------------------------------------------------------------------===//
1542 // Test dynamic typing
1543 //===----------------------------------------------------------------------===//
1544
1545 enum AFlags {
1546 a1,
1547 a2,
1548 a3
1549 };
1550
1551 enum BFlags {
1552 b1,
1553 b2,
1554 b3
1555 };
1556
1557 enum Kind {
1558 kindA,
1559 kindB
1560 };
1561
1562 struct KindAndFlags {
1563 KindAndFlags() : kind(kindA), flags(0) { }
1564 KindAndFlags(Kind k, uint32_t f) : kind(k), flags(f) { }
1565 Kind kind;
1566 uint32_t flags;
1567 };
1568
1569 typedef std::vector<KindAndFlags> KindAndFlagsSequence;
1570
1571 LLVM_YAML_IS_SEQUENCE_VECTOR(KindAndFlags)
1572
1573 namespace llvm {
1574 namespace yaml {
1575 template <>
1576 struct ScalarEnumerationTraits<AFlags> {
1577 static void enumeration(IO &io, AFlags &value) {
1578 io.enumCase(value, "a1", a1);
1579 io.enumCase(value, "a2", a2);
1580 io.enumCase(value, "a3", a3);
1581 }
1582 };
1583 template <>
1584 struct ScalarEnumerationTraits<BFlags> {
1585 static void enumeration(IO &io, BFlags &value) {
1586 io.enumCase(value, "b1", b1);
1587 io.enumCase(value, "b2", b2);
1588 io.enumCase(value, "b3", b3);
1589 }
1590 };
1591 template <>
1592 struct ScalarEnumerationTraits<Kind> {
1593 static void enumeration(IO &io, Kind &value) {
1594 io.enumCase(value, "A", kindA);
1595 io.enumCase(value, "B", kindB);
1596 }
1597 };
1598 template <>
1599 struct MappingTraits<KindAndFlags> {
1600 static void mapping(IO &io, KindAndFlags& kf) {
1601 io.mapRequired("kind", kf.kind);
1602 // Type of "flags" field varies depending on "kind" field.
1603 // Use memcpy here to avoid breaking strict aliasing rules.
1604 if (kf.kind == kindA) {
1605 AFlags aflags = static_cast<AFlags>(kf.flags);
1606 io.mapRequired("flags", aflags);
1607 kf.flags = aflags;
1608 } else {
1609 BFlags bflags = static_cast<BFlags>(kf.flags);
1610 io.mapRequired("flags", bflags);
1611 kf.flags = bflags;
1612 }
1613 }
1614 };
1615 }
1616 }
1617
1618
1619 //
1620 // Test the reading of a yaml sequence dynamic types
1621 //
1622 TEST(YAMLIO, TestReadKindAndFlagsSequence) {
1623 KindAndFlagsSequence seq;
1624 Input yin("---\n - kind: A\n flags: a2\n - kind: B\n flags: b1\n...\n");
1625 yin >> seq;
1626
1627 EXPECT_FALSE(yin.error());
1628 EXPECT_EQ(seq.size(), 2UL);
1629 EXPECT_EQ(seq[0].kind, kindA);
1630 EXPECT_EQ(seq[0].flags, (uint32_t)a2);
1631 EXPECT_EQ(seq[1].kind, kindB);
1632 EXPECT_EQ(seq[1].flags, (uint32_t)b1);
1633 }
1634
1635 //
1636 // Test writing then reading back dynamic types
1637 //
1638 TEST(YAMLIO, TestReadWriteKindAndFlagsSequence) {
1639 std::string intermediate;
1640 {
1641 KindAndFlagsSequence seq;
1642 seq.push_back(KindAndFlags(kindA,a1));
1643 seq.push_back(KindAndFlags(kindB,b1));
1644 seq.push_back(KindAndFlags(kindA,a2));
1645 seq.push_back(KindAndFlags(kindB,b2));
1646 seq.push_back(KindAndFlags(kindA,a3));
1647
1648 llvm::raw_string_ostream ostr(intermediate);
1649 Output yout(ostr);
1650 yout << seq;
1651 }
1652 {
1653 Input yin(intermediate);
1654 KindAndFlagsSequence seq2;
1655 yin >> seq2;
1656
1657 EXPECT_FALSE(yin.error());
1658 EXPECT_EQ(seq2.size(), 5UL);
1659 EXPECT_EQ(seq2[0].kind, kindA);
1660 EXPECT_EQ(seq2[0].flags, (uint32_t)a1);
1661 EXPECT_EQ(seq2[1].kind, kindB);
1662 EXPECT_EQ(seq2[1].flags, (uint32_t)b1);
1663 EXPECT_EQ(seq2[2].kind, kindA);
1664 EXPECT_EQ(seq2[2].flags, (uint32_t)a2);
1665 EXPECT_EQ(seq2[3].kind, kindB);
1666 EXPECT_EQ(seq2[3].flags, (uint32_t)b2);
1667 EXPECT_EQ(seq2[4].kind, kindA);
1668 EXPECT_EQ(seq2[4].flags, (uint32_t)a3);
1669 }
1670 }
1671
1672
1673 //===----------------------------------------------------------------------===//
1674 // Test document list
1675 //===----------------------------------------------------------------------===//
1676
1677 struct FooBarMap {
1678 int foo;
1679 int bar;
1680 };
1681 typedef std::vector<FooBarMap> FooBarMapDocumentList;
1682
1683 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(FooBarMap)
1684
1685
1686 namespace llvm {
1687 namespace yaml {
1688 template <>
1689 struct MappingTraits<FooBarMap> {
1690 static void mapping(IO &io, FooBarMap& fb) {
1691 io.mapRequired("foo", fb.foo);
1692 io.mapRequired("bar", fb.bar);
1693 }
1694 };
1695 }
1696 }
1697
1698
1699 //
1700 // Test the reading of a yaml mapping
1701 //
1702 TEST(YAMLIO, TestDocRead) {
1703 FooBarMap doc;
1704 Input yin("---\nfoo: 3\nbar: 5\n...\n");
1705 yin >> doc;
1706
1707 EXPECT_FALSE(yin.error());
1708 EXPECT_EQ(doc.foo, 3);
1709 EXPECT_EQ(doc.bar,5);
1710 }
1711
1712
1713
1714 //
1715 // Test writing then reading back a sequence of mappings
1716 //
1717 TEST(YAMLIO, TestSequenceDocListWriteAndRead) {
1718 std::string intermediate;
1719 {
1720 FooBarMap doc1;
1721 doc1.foo = 10;
1722 doc1.bar = -3;
1723 FooBarMap doc2;
1724 doc2.foo = 257;
1725 doc2.bar = 0;
1726 std::vector<FooBarMap> docList;
1727 docList.push_back(doc1);
1728 docList.push_back(doc2);
1729
1730 llvm::raw_string_ostream ostr(intermediate);
1731 Output yout(ostr);
1732 yout << docList;
1733 }
1734
1735
1736 {
1737 Input yin(intermediate);
1738 std::vector<FooBarMap> docList2;
1739 yin >> docList2;
1740
1741 EXPECT_FALSE(yin.error());
1742 EXPECT_EQ(docList2.size(), 2UL);
1743 FooBarMap& map1 = docList2[0];
1744 FooBarMap& map2 = docList2[1];
1745 EXPECT_EQ(map1.foo, 10);
1746 EXPECT_EQ(map1.bar, -3);
1747 EXPECT_EQ(map2.foo, 257);
1748 EXPECT_EQ(map2.bar, 0);
1749 }
1750 }
1751
1752 //===----------------------------------------------------------------------===//
1753 // Test document tags
1754 //===----------------------------------------------------------------------===//
1755
1756 struct MyDouble {
1757 MyDouble() : value(0.0) { }
1758 MyDouble(double x) : value(x) { }
1759 double value;
1760 };
1761
1762 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyDouble)
1763
1764
1765 namespace llvm {
1766 namespace yaml {
1767 template <>
1768 struct MappingTraits<MyDouble> {
1769 static void mapping(IO &io, MyDouble &d) {
1770 if (io.mapTag("!decimal", true)) {
1771 mappingDecimal(io, d);
1772 } else if (io.mapTag("!fraction")) {
1773 mappingFraction(io, d);
1774 }
1775 }
1776 static void mappingDecimal(IO &io, MyDouble &d) {
1777 io.mapRequired("value", d.value);
1778 }
1779 static void mappingFraction(IO &io, MyDouble &d) {
1780 double num, denom;
1781 io.mapRequired("numerator", num);
1782 io.mapRequired("denominator", denom);
1783 // convert fraction to double
1784 d.value = num/denom;
1785 }
1786 };
1787 }
1788 }
1789
1790
1791 //
1792 // Test the reading of two different tagged yaml documents.
1793 //
1794 TEST(YAMLIO, TestTaggedDocuments) {
1795 std::vector<MyDouble> docList;
1796 Input yin("--- !decimal\nvalue: 3.0\n"
1797 "--- !fraction\nnumerator: 9.0\ndenominator: 2\n...\n");
1798 yin >> docList;
1799 EXPECT_FALSE(yin.error());
1800 EXPECT_EQ(docList.size(), 2UL);
1801 EXPECT_EQ(docList[0].value, 3.0);
1802 EXPECT_EQ(docList[1].value, 4.5);
1803 }
1804
1805
1806
1807 //
1808 // Test writing then reading back tagged documents
1809 //
1810 TEST(YAMLIO, TestTaggedDocumentsWriteAndRead) {
1811 std::string intermediate;
1812 {
1813 MyDouble a(10.25);
1814 MyDouble b(-3.75);
1815 std::vector<MyDouble> docList;
1816 docList.push_back(a);
1817 docList.push_back(b);
1818
1819 llvm::raw_string_ostream ostr(intermediate);
1820 Output yout(ostr);
1821 yout << docList;
1822 }
1823
1824 {
1825 Input yin(intermediate);
1826 std::vector<MyDouble> docList2;
1827 yin >> docList2;
1828
1829 EXPECT_FALSE(yin.error());
1830 EXPECT_EQ(docList2.size(), 2UL);
1831 EXPECT_EQ(docList2[0].value, 10.25);
1832 EXPECT_EQ(docList2[1].value, -3.75);
1833 }
1834 }
1835
1836
1837 //===----------------------------------------------------------------------===//
1838 // Test mapping validation
1839 //===----------------------------------------------------------------------===//
1840
1841 struct MyValidation {
1842 double value;
1843 };
1844
1845 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyValidation)
1846
1847 namespace llvm {
1848 namespace yaml {
1849 template <>
1850 struct MappingTraits<MyValidation> {
1851 static void mapping(IO &io, MyValidation &d) {
1852 io.mapRequired("value", d.value);
1853 }
1854 static std::string validate(IO &io, MyValidation &d) {
1855 if (d.value < 0)
1856 return "negative value";
1857 return {};
1858 }
1859 };
1860 }
1861 }
1862
1863
1864 //
1865 // Test that validate() is called and complains about the negative value.
1866 //
1867 TEST(YAMLIO, TestValidatingInput) {
1868 std::vector<MyValidation> docList;
1869 Input yin("--- \nvalue: 3.0\n"
1870 "--- \nvalue: -1.0\n...\n",
1871 nullptr, suppressErrorMessages);
1872 yin >> docList;
1873 EXPECT_TRUE(!!yin.error());
1874 }
1875
1876 //===----------------------------------------------------------------------===//
1877 // Test flow mapping
1878 //===----------------------------------------------------------------------===//
1879
1880 struct FlowFooBar {
1881 int foo;
1882 int bar;
1883
1884 FlowFooBar() : foo(0), bar(0) {}
1885 FlowFooBar(int foo, int bar) : foo(foo), bar(bar) {}
1886 };
1887
1888 typedef std::vector<FlowFooBar> FlowFooBarSequence;
1889
1890 LLVM_YAML_IS_SEQUENCE_VECTOR(FlowFooBar)
1891
1892 struct FlowFooBarDoc {
1893 FlowFooBar attribute;
1894 FlowFooBarSequence seq;
1895 };
1896
1897 namespace llvm {
1898 namespace yaml {
1899 template <>
1900 struct MappingTraits<FlowFooBar> {
1901 static void mapping(IO &io, FlowFooBar &fb) {
1902 io.mapRequired("foo", fb.foo);
1903 io.mapRequired("bar", fb.bar);
1904 }
1905
1906 static const bool flow = true;
1907 };
1908
1909 template <>
1910 struct MappingTraits<FlowFooBarDoc> {
1911 static void mapping(IO &io, FlowFooBarDoc &fb) {
1912 io.mapRequired("attribute", fb.attribute);
1913 io.mapRequired("seq", fb.seq);
1914 }
1915 };
1916 }
1917 }
1918
1919 //
1920 // Test writing then reading back custom mappings
1921 //
1922 TEST(YAMLIO, TestReadWriteMyFlowMapping) {
1923 std::string intermediate;
1924 {
1925 FlowFooBarDoc doc;
1926 doc.attribute = FlowFooBar(42, 907);
1927 doc.seq.push_back(FlowFooBar(1, 2));
1928 doc.seq.push_back(FlowFooBar(0, 0));
1929 doc.seq.push_back(FlowFooBar(-1, 1024));
1930
1931 llvm::raw_string_ostream ostr(intermediate);
1932 Output yout(ostr);
1933 yout << doc;
1934
1935 // Verify that mappings were written in flow style
1936 llvm::StringRef flowOut(intermediate);
1937 EXPECT_NE(llvm::StringRef::npos, flowOut.find("{ foo: 42, bar: 907 }"));
1938 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: 1, bar: 2 }"));
1939 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: 0, bar: 0 }"));
1940 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: -1, bar: 1024 }"));
1941 }
1942
1943 {
1944 Input yin(intermediate);
1945 FlowFooBarDoc doc2;
1946 yin >> doc2;
1947
1948 EXPECT_FALSE(yin.error());
1949 EXPECT_EQ(doc2.attribute.foo, 42);
1950 EXPECT_EQ(doc2.attribute.bar, 907);
1951 EXPECT_EQ(doc2.seq.size(), 3UL);
1952 EXPECT_EQ(doc2.seq[0].foo, 1);
1953 EXPECT_EQ(doc2.seq[0].bar, 2);
1954 EXPECT_EQ(doc2.seq[1].foo, 0);
1955 EXPECT_EQ(doc2.seq[1].bar, 0);
1956 EXPECT_EQ(doc2.seq[2].foo, -1);
1957 EXPECT_EQ(doc2.seq[2].bar, 1024);
1958 }
1959 }
1960
1961 //===----------------------------------------------------------------------===//
1962 // Test error handling
1963 //===----------------------------------------------------------------------===//
1964
1965 //
1966 // Test error handling of unknown enumerated scalar
1967 //
1968 TEST(YAMLIO, TestColorsReadError) {
1969 ColorMap map;
1970 Input yin("---\n"
1971 "c1: blue\n"
1972 "c2: purple\n"
1973 "c3: green\n"
1974 "...\n",
1975 /*Ctxt=*/nullptr,
1976 suppressErrorMessages);
1977 yin >> map;
1978 EXPECT_TRUE(!!yin.error());
1979 }
1980
1981
1982 //
1983 // Test error handling of flow sequence with unknown value
1984 //
1985 TEST(YAMLIO, TestFlagsReadError) {
1986 FlagsMap map;
1987 Input yin("---\n"
1988 "f1: [ big ]\n"
1989 "f2: [ round, hollow ]\n"
1990 "f3: []\n"
1991 "...\n",
1992 /*Ctxt=*/nullptr,
1993 suppressErrorMessages);
1994 yin >> map;
1995
1996 EXPECT_TRUE(!!yin.error());
1997 }
1998
1999
2000 //
2001 // Test error handling reading built-in uint8_t type
2002 //
2003 TEST(YAMLIO, TestReadBuiltInTypesUint8Error) {
2004 std::vector<uint8_t> seq;
2005 Input yin("---\n"
2006 "- 255\n"
2007 "- 0\n"
2008 "- 257\n"
2009 "...\n",
2010 /*Ctxt=*/nullptr,
2011 suppressErrorMessages);
2012 yin >> seq;
2013
2014 EXPECT_TRUE(!!yin.error());
2015 }
2016
2017
2018 //
2019 // Test error handling reading built-in uint16_t type
2020 //
2021 TEST(YAMLIO, TestReadBuiltInTypesUint16Error) {
2022 std::vector<uint16_t> seq;
2023 Input yin("---\n"
2024 "- 65535\n"
2025 "- 0\n"
2026 "- 66000\n"
2027 "...\n",
2028 /*Ctxt=*/nullptr,
2029 suppressErrorMessages);
2030 yin >> seq;
2031
2032 EXPECT_TRUE(!!yin.error());
2033 }
2034
2035
2036 //
2037 // Test error handling reading built-in uint32_t type
2038 //
2039 TEST(YAMLIO, TestReadBuiltInTypesUint32Error) {
2040 std::vector<uint32_t> seq;
2041 Input yin("---\n"
2042 "- 4000000000\n"
2043 "- 0\n"
2044 "- 5000000000\n"
2045 "...\n",
2046 /*Ctxt=*/nullptr,
2047 suppressErrorMessages);
2048 yin >> seq;
2049
2050 EXPECT_TRUE(!!yin.error());
2051 }
2052
2053
2054 //
2055 // Test error handling reading built-in uint64_t type
2056 //
2057 TEST(YAMLIO, TestReadBuiltInTypesUint64Error) {
2058 std::vector<uint64_t> seq;
2059 Input yin("---\n"
2060 "- 18446744073709551615\n"
2061 "- 0\n"
2062 "- 19446744073709551615\n"
2063 "...\n",
2064 /*Ctxt=*/nullptr,
2065 suppressErrorMessages);
2066 yin >> seq;
2067
2068 EXPECT_TRUE(!!yin.error());
2069 }
2070
2071
2072 //
2073 // Test error handling reading built-in int8_t type
2074 //
2075 TEST(YAMLIO, TestReadBuiltInTypesint8OverError) {
2076 std::vector<int8_t> seq;
2077 Input yin("---\n"
2078 "- -128\n"
2079 "- 0\n"
2080 "- 127\n"
2081 "- 128\n"
2082 "...\n",
2083 /*Ctxt=*/nullptr,
2084 suppressErrorMessages);
2085 yin >> seq;
2086
2087 EXPECT_TRUE(!!yin.error());
2088 }
2089
2090 //
2091 // Test error handling reading built-in int8_t type
2092 //
2093 TEST(YAMLIO, TestReadBuiltInTypesint8UnderError) {
2094 std::vector<int8_t> seq;
2095 Input yin("---\n"
2096 "- -128\n"
2097 "- 0\n"
2098 "- 127\n"
2099 "- -129\n"
2100 "...\n",
2101 /*Ctxt=*/nullptr,
2102 suppressErrorMessages);
2103 yin >> seq;
2104
2105 EXPECT_TRUE(!!yin.error());
2106 }
2107
2108
2109 //
2110 // Test error handling reading built-in int16_t type
2111 //
2112 TEST(YAMLIO, TestReadBuiltInTypesint16UnderError) {
2113 std::vector<int16_t> seq;
2114 Input yin("---\n"
2115 "- 32767\n"
2116 "- 0\n"
2117 "- -32768\n"
2118 "- -32769\n"
2119 "...\n",
2120 /*Ctxt=*/nullptr,
2121 suppressErrorMessages);
2122 yin >> seq;
2123
2124 EXPECT_TRUE(!!yin.error());
2125 }
2126
2127
2128 //
2129 // Test error handling reading built-in int16_t type
2130 //
2131 TEST(YAMLIO, TestReadBuiltInTypesint16OverError) {
2132 std::vector<int16_t> seq;
2133 Input yin("---\n"
2134 "- 32767\n"
2135 "- 0\n"
2136 "- -32768\n"
2137 "- 32768\n"
2138 "...\n",
2139 /*Ctxt=*/nullptr,
2140 suppressErrorMessages);
2141 yin >> seq;
2142
2143 EXPECT_TRUE(!!yin.error());
2144 }
2145
2146
2147 //
2148 // Test error handling reading built-in int32_t type
2149 //
2150 TEST(YAMLIO, TestReadBuiltInTypesint32UnderError) {
2151 std::vector<int32_t> seq;
2152 Input yin("---\n"
2153 "- 2147483647\n"
2154 "- 0\n"
2155 "- -2147483648\n"
2156 "- -2147483649\n"
2157 "...\n",
2158 /*Ctxt=*/nullptr,
2159 suppressErrorMessages);
2160 yin >> seq;
2161
2162 EXPECT_TRUE(!!yin.error());
2163 }
2164
2165 //
2166 // Test error handling reading built-in int32_t type
2167 //
2168 TEST(YAMLIO, TestReadBuiltInTypesint32OverError) {
2169 std::vector<int32_t> seq;
2170 Input yin("---\n"
2171 "- 2147483647\n"
2172 "- 0\n"
2173 "- -2147483648\n"
2174 "- 2147483649\n"
2175 "...\n",
2176 /*Ctxt=*/nullptr,
2177 suppressErrorMessages);
2178 yin >> seq;
2179
2180 EXPECT_TRUE(!!yin.error());
2181 }
2182
2183
2184 //
2185 // Test error handling reading built-in int64_t type
2186 //
2187 TEST(YAMLIO, TestReadBuiltInTypesint64UnderError) {
2188 std::vector<int64_t> seq;
2189 Input yin("---\n"
2190 "- -9223372036854775808\n"
2191 "- 0\n"
2192 "- 9223372036854775807\n"
2193 "- -9223372036854775809\n"
2194 "...\n",
2195 /*Ctxt=*/nullptr,
2196 suppressErrorMessages);
2197 yin >> seq;
2198
2199 EXPECT_TRUE(!!yin.error());
2200 }
2201
2202 //
2203 // Test error handling reading built-in int64_t type
2204 //
2205 TEST(YAMLIO, TestReadBuiltInTypesint64OverError) {
2206 std::vector<int64_t> seq;
2207 Input yin("---\n"
2208 "- -9223372036854775808\n"
2209 "- 0\n"
2210 "- 9223372036854775807\n"
2211 "- 9223372036854775809\n"
2212 "...\n",
2213 /*Ctxt=*/nullptr,
2214 suppressErrorMessages);
2215 yin >> seq;
2216
2217 EXPECT_TRUE(!!yin.error());
2218 }
2219
2220 //
2221 // Test error handling reading built-in float type
2222 //
2223 TEST(YAMLIO, TestReadBuiltInTypesFloatError) {
2224 std::vector<float> seq;
2225 Input yin("---\n"
2226 "- 0.0\n"
2227 "- 1000.1\n"
2228 "- -123.456\n"
2229 "- 1.2.3\n"
2230 "...\n",
2231 /*Ctxt=*/nullptr,
2232 suppressErrorMessages);
2233 yin >> seq;
2234
2235 EXPECT_TRUE(!!yin.error());
2236 }
2237
2238 //
2239 // Test error handling reading built-in float type
2240 //
2241 TEST(YAMLIO, TestReadBuiltInTypesDoubleError) {
2242 std::vector<double> seq;
2243 Input yin("---\n"
2244 "- 0.0\n"
2245 "- 1000.1\n"
2246 "- -123.456\n"
2247 "- 1.2.3\n"
2248 "...\n",
2249 /*Ctxt=*/nullptr,
2250 suppressErrorMessages);
2251 yin >> seq;
2252
2253 EXPECT_TRUE(!!yin.error());
2254 }
2255
2256 //
2257 // Test error handling reading built-in Hex8 type
2258 //
2259 TEST(YAMLIO, TestReadBuiltInTypesHex8Error) {
2260 std::vector<Hex8> seq;
2261 Input yin("---\n"
2262 "- 0x12\n"
2263 "- 0xFE\n"
2264 "- 0x123\n"
2265 "...\n",
2266 /*Ctxt=*/nullptr,
2267 suppressErrorMessages);
2268 yin >> seq;
2269 EXPECT_TRUE(!!yin.error());
2270
2271 std::vector<Hex8> seq2;
2272 Input yin2("---\n"
2273 "[ 0x12, 0xFE, 0x123 ]\n"
2274 "...\n",
2275 /*Ctxt=*/nullptr, suppressErrorMessages);
2276 yin2 >> seq2;
2277 EXPECT_TRUE(!!yin2.error());
2278
2279 EXPECT_EQ(seq.size(), 3u);
2280 EXPECT_EQ(seq.size(), seq2.size());
2281 for (size_t i = 0; i < seq.size(); ++i)
2282 EXPECT_EQ(seq[i], seq2[i]);
2283 }
2284
2285
2286 //
2287 // Test error handling reading built-in Hex16 type
2288 //
2289 TEST(YAMLIO, TestReadBuiltInTypesHex16Error) {
2290 std::vector<Hex16> seq;
2291 Input yin("---\n"
2292 "- 0x0012\n"
2293 "- 0xFEFF\n"
2294 "- 0x12345\n"
2295 "...\n",
2296 /*Ctxt=*/nullptr,
2297 suppressErrorMessages);
2298 yin >> seq;
2299 EXPECT_TRUE(!!yin.error());
2300
2301 std::vector<Hex16> seq2;
2302 Input yin2("---\n"
2303 "[ 0x0012, 0xFEFF, 0x12345 ]\n"
2304 "...\n",
2305 /*Ctxt=*/nullptr, suppressErrorMessages);
2306 yin2 >> seq2;
2307 EXPECT_TRUE(!!yin2.error());
2308
2309 EXPECT_EQ(seq.size(), 3u);
2310 EXPECT_EQ(seq.size(), seq2.size());
2311 for (size_t i = 0; i < seq.size(); ++i)
2312 EXPECT_EQ(seq[i], seq2[i]);
2313 }
2314
2315 //
2316 // Test error handling reading built-in Hex32 type
2317 //
2318 TEST(YAMLIO, TestReadBuiltInTypesHex32Error) {
2319 std::vector<Hex32> seq;
2320 Input yin("---\n"
2321 "- 0x0012\n"
2322 "- 0xFEFF0000\n"
2323 "- 0x1234556789\n"
2324 "...\n",
2325 /*Ctxt=*/nullptr,
2326 suppressErrorMessages);
2327 yin >> seq;
2328
2329 EXPECT_TRUE(!!yin.error());
2330
2331 std::vector<Hex32> seq2;
2332 Input yin2("---\n"
2333 "[ 0x0012, 0xFEFF0000, 0x1234556789 ]\n"
2334 "...\n",
2335 /*Ctxt=*/nullptr, suppressErrorMessages);
2336 yin2 >> seq2;
2337 EXPECT_TRUE(!!yin2.error());
2338
2339 EXPECT_EQ(seq.size(), 3u);
2340 EXPECT_EQ(seq.size(), seq2.size());
2341 for (size_t i = 0; i < seq.size(); ++i)
2342 EXPECT_EQ(seq[i], seq2[i]);
2343 }
2344
2345 //
2346 // Test error handling reading built-in Hex64 type
2347 //
2348 TEST(YAMLIO, TestReadBuiltInTypesHex64Error) {
2349 std::vector<Hex64> seq;
2350 Input yin("---\n"
2351 "- 0x0012\n"
2352 "- 0xFFEEDDCCBBAA9988\n"
2353 "- 0x12345567890ABCDEF0\n"
2354 "...\n",
2355 /*Ctxt=*/nullptr,
2356 suppressErrorMessages);
2357 yin >> seq;
2358 EXPECT_TRUE(!!yin.error());
2359
2360 std::vector<Hex64> seq2;
2361 Input yin2("---\n"
2362 "[ 0x0012, 0xFFEEDDCCBBAA9988, 0x12345567890ABCDEF0 ]\n"
2363 "...\n",
2364 /*Ctxt=*/nullptr, suppressErrorMessages);
2365 yin2 >> seq2;
2366 EXPECT_TRUE(!!yin2.error());
2367
2368 EXPECT_EQ(seq.size(), 3u);
2369 EXPECT_EQ(seq.size(), seq2.size());
2370 for (size_t i = 0; i < seq.size(); ++i)
2371 EXPECT_EQ(seq[i], seq2[i]);
2372 }
2373
2374 TEST(YAMLIO, TestMalformedMapFailsGracefully) {
2375 FooBar doc;
2376 {
2377 // We pass the suppressErrorMessages handler to handle the error
2378 // message generated in the constructor of Input.
2379 Input yin("{foo:3, bar: 5}", /*Ctxt=*/nullptr, suppressErrorMessages);
2380 yin >> doc;
2381 EXPECT_TRUE(!!yin.error());
2382 }
2383
2384 {
2385 Input yin("---\nfoo:3\nbar: 5\n...\n", /*Ctxt=*/nullptr, suppressErrorMessages);
2386 yin >> doc;
2387 EXPECT_TRUE(!!yin.error());
2388 }
2389 }
2390
2391 struct OptionalTest {
2392 std::vector<int> Numbers;
2393 std::optional<int> MaybeNumber;
2394 };
2395
2396 struct OptionalTestSeq {
2397 std::vector<OptionalTest> Tests;
2398 };
2399
2400 LLVM_YAML_IS_SEQUENCE_VECTOR(OptionalTest)
2401 namespace llvm {
2402 namespace yaml {
2403 template <>
2404 struct MappingTraits<OptionalTest> {
2405 static void mapping(IO& IO, OptionalTest &OT) {
2406 IO.mapOptional("Numbers", OT.Numbers);
2407 IO.mapOptional("MaybeNumber", OT.MaybeNumber);
2408 }
2409 };
2410
2411 template <>
2412 struct MappingTraits<OptionalTestSeq> {
2413 static void mapping(IO &IO, OptionalTestSeq &OTS) {
2414 IO.mapOptional("Tests", OTS.Tests);
2415 }
2416 };
2417 }
2418 }
2419
2420 TEST(YAMLIO, SequenceElideTest) {
2421 // Test that writing out a purely optional structure with its fields set to
2422 // default followed by other data is properly read back in.
2423 OptionalTestSeq Seq;
2424 OptionalTest One, Two, Three, Four;
2425 int N[] = {1, 2, 3};
2426 Three.Numbers.assign(N, N + 3);
2427 Seq.Tests.push_back(One);
2428 Seq.Tests.push_back(Two);
2429 Seq.Tests.push_back(Three);
2430 Seq.Tests.push_back(Four);
2431
2432 std::string intermediate;
2433 {
2434 llvm::raw_string_ostream ostr(intermediate);
2435 Output yout(ostr);
2436 yout << Seq;
2437 }
2438
2439 Input yin(intermediate);
2440 OptionalTestSeq Seq2;
2441 yin >> Seq2;
2442
2443 EXPECT_FALSE(yin.error());
2444
2445 EXPECT_EQ(4UL, Seq2.Tests.size());
2446
2447 EXPECT_TRUE(Seq2.Tests[0].Numbers.empty());
2448 EXPECT_TRUE(Seq2.Tests[1].Numbers.empty());
2449
2450 EXPECT_EQ(1, Seq2.Tests[2].Numbers[0]);
2451 EXPECT_EQ(2, Seq2.Tests[2].Numbers[1]);
2452 EXPECT_EQ(3, Seq2.Tests[2].Numbers[2]);
2453
2454 EXPECT_TRUE(Seq2.Tests[3].Numbers.empty());
2455 }
2456
2457 TEST(YAMLIO, TestEmptyStringFailsForMapWithRequiredFields) {
2458 FooBar doc;
2459 Input yin("");
2460 yin >> doc;
2461 EXPECT_TRUE(!!yin.error());
2462 }
2463
2464 TEST(YAMLIO, TestEmptyStringSucceedsForMapWithOptionalFields) {
2465 OptionalTest doc;
2466 Input yin("");
2467 yin >> doc;
2468 EXPECT_FALSE(yin.error());
2469 EXPECT_FALSE(doc.MaybeNumber.has_value());
2470 }
2471
2472 TEST(YAMLIO, TestEmptyStringSucceedsForSequence) {
2473 std::vector<uint8_t> seq;
2474 Input yin("", /*Ctxt=*/nullptr, suppressErrorMessages);
2475 yin >> seq;
2476
2477 EXPECT_FALSE(yin.error());
2478 EXPECT_TRUE(seq.empty());
2479 }
2480
2481 struct FlowMap {
2482 llvm::StringRef str1, str2, str3;
2483 FlowMap(llvm::StringRef str1, llvm::StringRef str2, llvm::StringRef str3)
2484 : str1(str1), str2(str2), str3(str3) {}
2485 };
2486
2487 struct FlowSeq {
2488 llvm::StringRef str;
2489 FlowSeq(llvm::StringRef S) : str(S) {}
2490 FlowSeq() = default;
2491 };
2492
2493 namespace llvm {
2494 namespace yaml {
2495 template <>
2496 struct MappingTraits<FlowMap> {
2497 static void mapping(IO &io, FlowMap &fm) {
2498 io.mapRequired("str1", fm.str1);
2499 io.mapRequired("str2", fm.str2);
2500 io.mapRequired("str3", fm.str3);
2501 }
2502
2503 static const bool flow = true;
2504 };
2505
2506 template <>
2507 struct ScalarTraits<FlowSeq> {
2508 static void output(const FlowSeq &value, void*, llvm::raw_ostream &out) {
2509 out << value.str;
2510 }
2511 static StringRef input(StringRef scalar, void*, FlowSeq &value) {
2512 value.str = scalar;
2513 return "";
2514 }
2515
2516 static QuotingType mustQuote(StringRef S) { return QuotingType::None; }
2517 };
2518 }
2519 }
2520
2521 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(FlowSeq)
2522
2523 TEST(YAMLIO, TestWrapFlow) {
2524 std::string out;
2525 llvm::raw_string_ostream ostr(out);
2526 FlowMap Map("This is str1", "This is str2", "This is str3");
2527 std::vector<FlowSeq> Seq;
2528 Seq.emplace_back("This is str1");
2529 Seq.emplace_back("This is str2");
2530 Seq.emplace_back("This is str3");
2531
2532 {
2533 // 20 is just bellow the total length of the first mapping field.
2534 // We should wreap at every element.
2535 Output yout(ostr, nullptr, 15);
2536
2537 yout << Map;
2538 EXPECT_EQ(out,
2539 "---\n"
2540 "{ str1: This is str1, \n"
2541 " str2: This is str2, \n"
2542 " str3: This is str3 }\n"
2543 "...\n");
2544 out.clear();
2545
2546 yout << Seq;
2547 EXPECT_EQ(out,
2548 "---\n"
2549 "[ This is str1, \n"
2550 " This is str2, \n"
2551 " This is str3 ]\n"
2552 "...\n");
2553 out.clear();
2554 }
2555 {
2556 // 25 will allow the second field to be output on the first line.
2557 Output yout(ostr, nullptr, 25);
2558
2559 yout << Map;
2560 EXPECT_EQ(out,
2561 "---\n"
2562 "{ str1: This is str1, str2: This is str2, \n"
2563 " str3: This is str3 }\n"
2564 "...\n");
2565 out.clear();
2566
2567 yout << Seq;
2568 EXPECT_EQ(out,
2569 "---\n"
2570 "[ This is str1, This is str2, \n"
2571 " This is str3 ]\n"
2572 "...\n");
2573 out.clear();
2574 }
2575 {
2576 // 0 means no wrapping.
2577 Output yout(ostr, nullptr, 0);
2578
2579 yout << Map;
2580 EXPECT_EQ(out,
2581 "---\n"
2582 "{ str1: This is str1, str2: This is str2, str3: This is str3 }\n"
2583 "...\n");
2584 out.clear();
2585
2586 yout << Seq;
2587 EXPECT_EQ(out,
2588 "---\n"
2589 "[ This is str1, This is str2, This is str3 ]\n"
2590 "...\n");
2591 out.clear();
2592 }
2593 }
2594
2595 struct MappingContext {
2596 int A = 0;
2597 };
2598 struct SimpleMap {
2599 int B = 0;
2600 int C = 0;
2601 };
2602
2603 struct NestedMap {
2604 NestedMap(MappingContext &Context) : Context(Context) {}
2605 SimpleMap Simple;
2606 MappingContext &Context;
2607 };
2608
2609 namespace llvm {
2610 namespace yaml {
2611 template <> struct MappingContextTraits<SimpleMap, MappingContext> {
2612 static void mapping(IO &io, SimpleMap &sm, MappingContext &Context) {
2613 io.mapRequired("B", sm.B);
2614 io.mapRequired("C", sm.C);
2615 ++Context.A;
2616 io.mapRequired("Context", Context.A);
2617 }
2618 static std::string validate(IO &io, SimpleMap &sm, MappingContext &Context) {
2619 return "";
2620 }
2621 };
2622
2623 template <> struct MappingTraits<NestedMap> {
2624 static void mapping(IO &io, NestedMap &nm) {
2625 io.mapRequired("Simple", nm.Simple, nm.Context);
2626 }
2627 };
2628 }
2629 }
2630
2631 TEST(YAMLIO, TestMapWithContext) {
2632 MappingContext Context;
2633 NestedMap Nested(Context);
2634 std::string out;
2635 llvm::raw_string_ostream ostr(out);
2636
2637 Output yout(ostr, nullptr, 15);
2638
2639 yout << Nested;
2640 EXPECT_EQ(1, Context.A);
2641 EXPECT_EQ("---\n"
2642 "Simple:\n"
2643 " B: 0\n"
2644 " C: 0\n"
2645 " Context: 1\n"
2646 "...\n",
2647 out);
2648
2649 out.clear();
2650
2651 Nested.Simple.B = 2;
2652 Nested.Simple.C = 3;
2653 yout << Nested;
2654 EXPECT_EQ(2, Context.A);
2655 EXPECT_EQ("---\n"
2656 "Simple:\n"
2657 " B: 2\n"
2658 " C: 3\n"
2659 " Context: 2\n"
2660 "...\n",
2661 out);
2662 out.clear();
2663 }
2664
2665 LLVM_YAML_IS_STRING_MAP(int)
2666
2667 TEST(YAMLIO, TestCustomMapping) {
2668 std::map<std::string, int> x;
2669
2670 std::string out;
2671 llvm::raw_string_ostream ostr(out);
2672 Output xout(ostr, nullptr, 0);
2673
2674 xout << x;
2675 EXPECT_EQ("---\n"
2676 "{}\n"
2677 "...\n",
2678 out);
2679
2680 x["foo"] = 1;
2681 x["bar"] = 2;
2682
2683 out.clear();
2684 xout << x;
2685 EXPECT_EQ("---\n"
2686 "bar: 2\n"
2687 "foo: 1\n"
2688 "...\n",
2689 out);
2690
2691 Input yin(out);
2692 std::map<std::string, int> y;
2693 yin >> y;
2694 EXPECT_EQ(2ul, y.size());
2695 EXPECT_EQ(1, y["foo"]);
2696 EXPECT_EQ(2, y["bar"]);
2697 }
2698
2699 LLVM_YAML_IS_STRING_MAP(FooBar)
2700
2701 TEST(YAMLIO, TestCustomMappingStruct) {
2702 std::map<std::string, FooBar> x;
2703 x["foo"].foo = 1;
2704 x["foo"].bar = 2;
2705 x["bar"].foo = 3;
2706 x["bar"].bar = 4;
2707
2708 std::string out;
2709 llvm::raw_string_ostream ostr(out);
2710 Output xout(ostr, nullptr, 0);
2711
2712 xout << x;
2713 EXPECT_EQ("---\n"
2714 "bar:\n"
2715 " foo: 3\n"
2716 " bar: 4\n"
2717 "foo:\n"
2718 " foo: 1\n"
2719 " bar: 2\n"
2720 "...\n",
2721 out);
2722
2723 Input yin(out);
2724 std::map<std::string, FooBar> y;
2725 yin >> y;
2726 EXPECT_EQ(2ul, y.size());
2727 EXPECT_EQ(1, y["foo"].foo);
2728 EXPECT_EQ(2, y["foo"].bar);
2729 EXPECT_EQ(3, y["bar"].foo);
2730 EXPECT_EQ(4, y["bar"].bar);
2731 }
2732
2733 struct FooBarMapMap {
2734 std::map<std::string, FooBar> fbm;
2735 };
2736
2737 namespace llvm {
2738 namespace yaml {
2739 template <> struct MappingTraits<FooBarMapMap> {
2740 static void mapping(IO &io, FooBarMapMap &x) {
2741 io.mapRequired("fbm", x.fbm);
2742 }
2743 };
2744 }
2745 }
2746
2747 TEST(YAMLIO, TestEmptyMapWrite) {
2748 FooBarMapMap cont;
2749 std::string str;
2750 llvm::raw_string_ostream OS(str);
2751 Output yout(OS);
2752 yout << cont;
2753 EXPECT_EQ(str, "---\nfbm: {}\n...\n");
2754 }
2755
2756 TEST(YAMLIO, TestEmptySequenceWrite) {
2757 {
2758 FooBarContainer cont;
2759 std::string str;
2760 llvm::raw_string_ostream OS(str);
2761 Output yout(OS);
2762 yout << cont;
2763 EXPECT_EQ(str, "---\nfbs: []\n...\n");
2764 }
2765
2766 {
2767 FooBarSequence seq;
2768 std::string str;
2769 llvm::raw_string_ostream OS(str);
2770 Output yout(OS);
2771 yout << seq;
2772 EXPECT_EQ(str, "---\n[]\n...\n");
2773 }
2774 }
2775
2776 static void TestEscaped(llvm::StringRef Input, llvm::StringRef Expected) {
2777 std::string out;
2778 llvm::raw_string_ostream ostr(out);
2779 Output xout(ostr, nullptr, 0);
2780
2781 llvm::yaml::EmptyContext Ctx;
2782 yamlize(xout, Input, true, Ctx);
2783
2784 // Make a separate StringRef so we get nice byte-by-byte output.
2785 llvm::StringRef Got(out);
2786 EXPECT_EQ(Expected, Got);
2787 }
2788
2789 TEST(YAMLIO, TestEscaped) {
2790 // Single quote
2791 TestEscaped("@abc@", "'@abc@'");
2792 // No quote
2793 TestEscaped("abc", "abc");
2794 // Forward slash quoted
2795 TestEscaped("abc/", "'abc/'");
2796 // Double quote non-printable
2797 TestEscaped("\01@abc@", "\"\\x01@abc@\"");
2798 // Double quote inside single quote
2799 TestEscaped("abc\"fdf", "'abc\"fdf'");
2800 // Double quote inside double quote
2801 TestEscaped("\01bc\"fdf", "\"\\x01bc\\\"fdf\"");
2802 // Single quote inside single quote
2803 TestEscaped("abc'fdf", "'abc''fdf'");
2804 // UTF8
2805 TestEscaped("/*параметр*/", "\"/*параметр*/\"");
2806 // UTF8 with single quote inside double quote
2807 TestEscaped("parameter 'параметр' is unused",
2808 "\"parameter 'параметр' is unused\"");
2809
2810 // String with embedded non-printable multibyte UTF-8 sequence (U+200B
2811 // zero-width space). The thing to test here is that we emit a
2812 // unicode-scalar level escape like \uNNNN (at the YAML level), and don't
2813 // just pass the UTF-8 byte sequence through as with quoted printables.
2814 {
2815 const unsigned char foobar[10] = {'f', 'o', 'o',
2816 0xE2, 0x80, 0x8B, // UTF-8 of U+200B
2817 'b', 'a', 'r',
2818 0x0};
2819 TestEscaped((char const *)foobar, "\"foo\\u200Bbar\"");
2820 }
2821 }
2822
2823 TEST(YAMLIO, Numeric) {
2824 EXPECT_TRUE(isNumeric(".inf"));
2825 EXPECT_TRUE(isNumeric(".INF"));
2826 EXPECT_TRUE(isNumeric(".Inf"));
2827 EXPECT_TRUE(isNumeric("-.inf"));
2828 EXPECT_TRUE(isNumeric("+.inf"));
2829
2830 EXPECT_TRUE(isNumeric(".nan"));
2831 EXPECT_TRUE(isNumeric(".NaN"));
2832 EXPECT_TRUE(isNumeric(".NAN"));
2833
2834 EXPECT_TRUE(isNumeric("0"));
2835 EXPECT_TRUE(isNumeric("0."));
2836 EXPECT_TRUE(isNumeric("0.0"));
2837 EXPECT_TRUE(isNumeric("-0.0"));
2838 EXPECT_TRUE(isNumeric("+0.0"));
2839
2840 EXPECT_TRUE(isNumeric("12345"));
2841 EXPECT_TRUE(isNumeric("012345"));
2842 EXPECT_TRUE(isNumeric("+12.0"));
2843 EXPECT_TRUE(isNumeric(".5"));
2844 EXPECT_TRUE(isNumeric("+.5"));
2845 EXPECT_TRUE(isNumeric("-1.0"));
2846
2847 EXPECT_TRUE(isNumeric("2.3e4"));
2848 EXPECT_TRUE(isNumeric("-2E+05"));
2849 EXPECT_TRUE(isNumeric("+12e03"));
2850 EXPECT_TRUE(isNumeric("6.8523015e+5"));
2851
2852 EXPECT_TRUE(isNumeric("1.e+1"));
2853 EXPECT_TRUE(isNumeric(".0e+1"));
2854
2855 EXPECT_TRUE(isNumeric("0x2aF3"));
2856 EXPECT_TRUE(isNumeric("0o01234567"));
2857
2858 EXPECT_FALSE(isNumeric("not a number"));
2859 EXPECT_FALSE(isNumeric("."));
2860 EXPECT_FALSE(isNumeric(".e+1"));
2861 EXPECT_FALSE(isNumeric(".1e"));
2862 EXPECT_FALSE(isNumeric(".1e+"));
2863 EXPECT_FALSE(isNumeric(".1e++1"));
2864
2865 EXPECT_FALSE(isNumeric("ABCD"));
2866 EXPECT_FALSE(isNumeric("+0x2AF3"));
2867 EXPECT_FALSE(isNumeric("-0x2AF3"));
2868 EXPECT_FALSE(isNumeric("0x2AF3Z"));
2869 EXPECT_FALSE(isNumeric("0o012345678"));
2870 EXPECT_FALSE(isNumeric("0xZ"));
2871 EXPECT_FALSE(isNumeric("-0o012345678"));
2872 EXPECT_FALSE(isNumeric("000003A8229434B839616A25C16B0291F77A438B"));
2873
2874 EXPECT_FALSE(isNumeric(""));
2875 EXPECT_FALSE(isNumeric("."));
2876 EXPECT_FALSE(isNumeric(".e+1"));
2877 EXPECT_FALSE(isNumeric(".e+"));
2878 EXPECT_FALSE(isNumeric(".e"));
2879 EXPECT_FALSE(isNumeric("e1"));
2880
2881 // Deprecated formats: as for YAML 1.2 specification, the following are not
2882 // valid numbers anymore:
2883 //
2884 // * Sexagecimal numbers
2885 // * Decimal numbers with comma s the delimiter
2886 // * "inf", "nan" without '.' prefix
2887 EXPECT_FALSE(isNumeric("3:25:45"));
2888 EXPECT_FALSE(isNumeric("+12,345"));
2889 EXPECT_FALSE(isNumeric("-inf"));
2890 EXPECT_FALSE(isNumeric("1,230.15"));
2891 }
2892
2893 //===----------------------------------------------------------------------===//
2894 // Test writing and reading escaped keys
2895 //===----------------------------------------------------------------------===//
2896
2897 // Struct with dynamic string key
2898 struct QuotedKeyStruct {
2899 int unquoted_bool;
2900 int unquoted_null;
2901 int unquoted_numeric;
2902 int unquoted_str;
2903 int colon;
2904 int just_space;
2905 int unprintable;
2906 };
2907
2908 namespace llvm {
2909 namespace yaml {
2910 template <> struct MappingTraits<QuotedKeyStruct> {
2911 static void mapping(IO &io, QuotedKeyStruct &map) {
2912 io.mapRequired("true", map.unquoted_bool);
2913 io.mapRequired("null", map.unquoted_null);
2914 io.mapRequired("42", map.unquoted_numeric);
2915 io.mapRequired("unquoted", map.unquoted_str);
2916 io.mapRequired(":", map.colon);
2917 io.mapRequired(" ", map.just_space);
2918 char unprintableKey[] = {/* \f, form-feed */ 0xC, 0};
2919 io.mapRequired(unprintableKey, map.unprintable);
2920 }
2921 };
2922 } // namespace yaml
2923 } // namespace llvm
2924
2925 TEST(YAMLIO, TestQuotedKeyRead) {
2926 QuotedKeyStruct map = {};
2927 Input yin("---\ntrue: 1\nnull: 2\n42: 3\nunquoted: 4\n':': 5\n' ': "
2928 "6\n\"\\f\": 7\n...\n");
2929 yin >> map;
2930
2931 EXPECT_FALSE(yin.error());
2932 EXPECT_EQ(map.unquoted_bool, 1);
2933 EXPECT_EQ(map.unquoted_null, 2);
2934 EXPECT_EQ(map.unquoted_numeric, 3);
2935 EXPECT_EQ(map.unquoted_str, 4);
2936 EXPECT_EQ(map.colon, 5);
2937 EXPECT_EQ(map.just_space, 6);
2938 EXPECT_EQ(map.unprintable, 7);
2939 }
2940
2941 TEST(YAMLIO, TestQuotedKeyWriteRead) {
2942 std::string intermediate;
2943 {
2944 QuotedKeyStruct map = {1, 2, 3, 4, 5, 6, 7};
2945 llvm::raw_string_ostream ostr(intermediate);
2946 Output yout(ostr);
2947 yout << map;
2948 }
2949
2950 EXPECT_NE(std::string::npos, intermediate.find("true:"));
2951 EXPECT_NE(std::string::npos, intermediate.find("null:"));
2952 EXPECT_NE(std::string::npos, intermediate.find("42:"));
2953 EXPECT_NE(std::string::npos, intermediate.find("unquoted:"));
2954 EXPECT_NE(std::string::npos, intermediate.find("':':"));
2955 EXPECT_NE(std::string::npos, intermediate.find("' '"));
2956 EXPECT_NE(std::string::npos, intermediate.find("\"\\f\":"));
2957
2958 {
2959 Input yin(intermediate);
2960 QuotedKeyStruct map;
2961 yin >> map;
2962
2963 EXPECT_FALSE(yin.error());
2964 EXPECT_EQ(map.unquoted_bool, 1);
2965 EXPECT_EQ(map.unquoted_null, 2);
2966 EXPECT_EQ(map.unquoted_numeric, 3);
2967 EXPECT_EQ(map.unquoted_str, 4);
2968 EXPECT_EQ(map.colon, 5);
2969 EXPECT_EQ(map.just_space, 6);
2970 EXPECT_EQ(map.unprintable, 7);
2971 }
2972 }
2973
2974 //===----------------------------------------------------------------------===//
2975 // Test PolymorphicTraits and TaggedScalarTraits
2976 //===----------------------------------------------------------------------===//
2977
2978 struct Poly {
2979 enum NodeKind {
2980 NK_Scalar,
2981 NK_Seq,
2982 NK_Map,
2983 } Kind;
2984
2985 Poly(NodeKind Kind) : Kind(Kind) {}
2986
2987 virtual ~Poly() = default;
2988
2989 NodeKind getKind() const { return Kind; }
2990 };
2991
2992 struct Scalar : Poly {
2993 enum ScalarKind {
2994 SK_Unknown,
2995 SK_Double,
2996 SK_Bool,
2997 } SKind;
2998
2999 union {
3000 double DoubleValue;
3001 bool BoolValue;
3002 };
3003
3004 Scalar() : Poly(NK_Scalar), SKind(SK_Unknown) {}
3005 Scalar(double DoubleValue)
3006 : Poly(NK_Scalar), SKind(SK_Double), DoubleValue(DoubleValue) {}
3007 Scalar(bool BoolValue)
3008 : Poly(NK_Scalar), SKind(SK_Bool), BoolValue(BoolValue) {}
3009
3010 static bool classof(const Poly *N) { return N->getKind() == NK_Scalar; }
3011 };
3012
3013 struct Seq : Poly, std::vector<std::unique_ptr<Poly>> {
3014 Seq() : Poly(NK_Seq) {}
3015
3016 static bool classof(const Poly *N) { return N->getKind() == NK_Seq; }
3017 };
3018
3019 struct Map : Poly, llvm::StringMap<std::unique_ptr<Poly>> {
3020 Map() : Poly(NK_Map) {}
3021
3022 static bool classof(const Poly *N) { return N->getKind() == NK_Map; }
3023 };
3024
3025 namespace llvm {
3026 namespace yaml {
3027
3028 template <> struct PolymorphicTraits<std::unique_ptr<Poly>> {
3029 static NodeKind getKind(const std::unique_ptr<Poly> &N) {
3030 if (isa<Scalar>(*N))
3031 return NodeKind::Scalar;
3032 if (isa<Seq>(*N))
3033 return NodeKind::Sequence;
3034 if (isa<Map>(*N))
3035 return NodeKind::Map;
3036 llvm_unreachable("unsupported node type");
3037 }
3038
3039 static Scalar &getAsScalar(std::unique_ptr<Poly> &N) {
3040 if (!N || !isa<Scalar>(*N))
3041 N = std::make_unique<Scalar>();
3042 return *cast<Scalar>(N.get());
3043 }
3044
3045 static Seq &getAsSequence(std::unique_ptr<Poly> &N) {
3046 if (!N || !isa<Seq>(*N))
3047 N = std::make_unique<Seq>();
3048 return *cast<Seq>(N.get());
3049 }
3050
3051 static Map &getAsMap(std::unique_ptr<Poly> &N) {
3052 if (!N || !isa<Map>(*N))
3053 N = std::make_unique<Map>();
3054 return *cast<Map>(N.get());
3055 }
3056 };
3057
3058 template <> struct TaggedScalarTraits<Scalar> {
3059 static void output(const Scalar &S, void *Ctxt, raw_ostream &ScalarOS,
3060 raw_ostream &TagOS) {
3061 switch (S.SKind) {
3062 case Scalar::SK_Unknown:
3063 report_fatal_error("output unknown scalar");
3064 break;
3065 case Scalar::SK_Double:
3066 TagOS << "!double";
3067 ScalarTraits<double>::output(S.DoubleValue, Ctxt, ScalarOS);
3068 break;
3069 case Scalar::SK_Bool:
3070 TagOS << "!bool";
3071 ScalarTraits<bool>::output(S.BoolValue, Ctxt, ScalarOS);
3072 break;
3073 }
3074 }
3075
3076 static StringRef input(StringRef ScalarStr, StringRef Tag, void *Ctxt,
3077 Scalar &S) {
3078 S.SKind = StringSwitch<Scalar::ScalarKind>(Tag)
3079 .Case("!double", Scalar::SK_Double)
3080 .Case("!bool", Scalar::SK_Bool)
3081 .Default(Scalar::SK_Unknown);
3082 switch (S.SKind) {
3083 case Scalar::SK_Unknown:
3084 return StringRef("unknown scalar tag");
3085 case Scalar::SK_Double:
3086 return ScalarTraits<double>::input(ScalarStr, Ctxt, S.DoubleValue);
3087 case Scalar::SK_Bool:
3088 return ScalarTraits<bool>::input(ScalarStr, Ctxt, S.BoolValue);
3089 }
3090 llvm_unreachable("unknown scalar kind");
3091 }
3092
3093 static QuotingType mustQuote(const Scalar &S, StringRef Str) {
3094 switch (S.SKind) {
3095 case Scalar::SK_Unknown:
3096 report_fatal_error("quote unknown scalar");
3097 case Scalar::SK_Double:
3098 return ScalarTraits<double>::mustQuote(Str);
3099 case Scalar::SK_Bool:
3100 return ScalarTraits<bool>::mustQuote(Str);
3101 }
3102 llvm_unreachable("unknown scalar kind");
3103 }
3104 };
3105
3106 template <> struct CustomMappingTraits<Map> {
3107 static void inputOne(IO &IO, StringRef Key, Map &M) {
3108 IO.mapRequired(Key.str().c_str(), M[Key]);
3109 }
3110
3111 static void output(IO &IO, Map &M) {
3112 for (auto &N : M)
3113 IO.mapRequired(N.getKey().str().c_str(), N.getValue());
3114 }
3115 };
3116
3117 template <> struct SequenceTraits<Seq> {
3118 static size_t size(IO &IO, Seq &A) { return A.size(); }
3119
3120 static std::unique_ptr<Poly> &element(IO &IO, Seq &A, size_t Index) {
3121 if (Index >= A.size())
3122 A.resize(Index + 1);
3123 return A[Index];
3124 }
3125 };
3126
3127 } // namespace yaml
3128 } // namespace llvm
3129
3130 TEST(YAMLIO, TestReadWritePolymorphicScalar) {
3131 std::string intermediate;
3132 std::unique_ptr<Poly> node = std::make_unique<Scalar>(true);
3133
3134 llvm::raw_string_ostream ostr(intermediate);
3135 Output yout(ostr);
3136 #ifdef GTEST_HAS_DEATH_TEST
3137 #ifndef NDEBUG
3138 EXPECT_DEATH(yout << node, "plain scalar documents are not supported");
3139 #endif
3140 #endif
3141 }
3142
3143 TEST(YAMLIO, TestReadWritePolymorphicSeq) {
3144 std::string intermediate;
3145 {
3146 auto seq = std::make_unique<Seq>();
3147 seq->push_back(std::make_unique<Scalar>(true));
3148 seq->push_back(std::make_unique<Scalar>(1.0));
3149 auto node = llvm::unique_dyn_cast<Poly>(seq);
3150
3151 llvm::raw_string_ostream ostr(intermediate);
3152 Output yout(ostr);
3153 yout << node;
3154 }
3155 {
3156 Input yin(intermediate);
3157 std::unique_ptr<Poly> node;
3158 yin >> node;
3159
3160 EXPECT_FALSE(yin.error());
3161 auto seq = llvm::dyn_cast<Seq>(node.get());
3162 ASSERT_TRUE(seq);
3163 ASSERT_EQ(seq->size(), 2u);
3164 auto first = llvm::dyn_cast<Scalar>((*seq)[0].get());
3165 ASSERT_TRUE(first);
3166 EXPECT_EQ(first->SKind, Scalar::SK_Bool);
3167 EXPECT_TRUE(first->BoolValue);
3168 auto second = llvm::dyn_cast<Scalar>((*seq)[1].get());
3169 ASSERT_TRUE(second);
3170 EXPECT_EQ(second->SKind, Scalar::SK_Double);
3171 EXPECT_EQ(second->DoubleValue, 1.0);
3172 }
3173 }
3174
3175 TEST(YAMLIO, TestReadWritePolymorphicMap) {
3176 std::string intermediate;
3177 {
3178 auto map = std::make_unique<Map>();
3179 (*map)["foo"] = std::make_unique<Scalar>(false);
3180 (*map)["bar"] = std::make_unique<Scalar>(2.0);
3181 std::unique_ptr<Poly> node = llvm::unique_dyn_cast<Poly>(map);
3182
3183 llvm::raw_string_ostream ostr(intermediate);
3184 Output yout(ostr);
3185 yout << node;
3186 }
3187 {
3188 Input yin(intermediate);
3189 std::unique_ptr<Poly> node;
3190 yin >> node;
3191
3192 EXPECT_FALSE(yin.error());
3193 auto map = llvm::dyn_cast<Map>(node.get());
3194 ASSERT_TRUE(map);
3195 auto foo = llvm::dyn_cast<Scalar>((*map)["foo"].get());
3196 ASSERT_TRUE(foo);
3197 EXPECT_EQ(foo->SKind, Scalar::SK_Bool);
3198 EXPECT_FALSE(foo->BoolValue);
3199 auto bar = llvm::dyn_cast<Scalar>((*map)["bar"].get());
3200 ASSERT_TRUE(bar);
3201 EXPECT_EQ(bar->SKind, Scalar::SK_Double);
3202 EXPECT_EQ(bar->DoubleValue, 2.0);
3203 }
3204 }
3205
3206 TEST(YAMLIO, TestAnchorMapError) {
3207 Input yin("& & &: ");
3208 yin.setCurrentDocument();
3209 EXPECT_TRUE(yin.error());
3210 }
3211
3212 TEST(YAMLIO, TestFlowSequenceTokenErrors) {
3213 Input yin(",");
3214 EXPECT_FALSE(yin.setCurrentDocument());
3215 EXPECT_TRUE(yin.error());
3216
3217 Input yin2("]");
3218 EXPECT_FALSE(yin2.setCurrentDocument());
3219 EXPECT_TRUE(yin2.error());
3220
3221 Input yin3("}");
3222 EXPECT_FALSE(yin3.setCurrentDocument());
3223 EXPECT_TRUE(yin3.error());
3224 }
3225
3226 TEST(YAMLIO, TestDirectiveMappingNoValue) {
3227 Input yin("%YAML\n{5:");
3228 yin.setCurrentDocument();
3229 EXPECT_TRUE(yin.error());
3230
3231 Input yin2("%TAG\n'\x98!< :\n");
3232 yin2.setCurrentDocument();
3233 EXPECT_TRUE(yin2.error());
3234 }
3235
3236 TEST(YAMLIO, TestUnescapeInfiniteLoop) {
3237 Input yin("\"\\u\\^#\\\\\"");
3238 yin.setCurrentDocument();
3239 EXPECT_TRUE(yin.error());
3240 }
3241
3242 TEST(YAMLIO, TestScannerUnexpectedCharacter) {
3243 Input yin("!<$\x9F.");
3244 EXPECT_FALSE(yin.setCurrentDocument());
3245 EXPECT_TRUE(yin.error());
3246 }
3247
3248 TEST(YAMLIO, TestUnknownDirective) {
3249 Input yin("%");
3250 EXPECT_FALSE(yin.setCurrentDocument());
3251 EXPECT_TRUE(yin.error());
3252
3253 Input yin2("%)");
3254 EXPECT_FALSE(yin2.setCurrentDocument());
3255 EXPECT_TRUE(yin2.error());
3256 }
3257
3258 TEST(YAMLIO, TestEmptyAlias) {
3259 Input yin("&");
3260 EXPECT_FALSE(yin.setCurrentDocument());
3261 EXPECT_TRUE(yin.error());
3262 }
3263
3264 TEST(YAMLIO, TestEmptyAnchor) {
3265 Input yin("*");
3266 EXPECT_FALSE(yin.setCurrentDocument());
3267 }
3268
3269 TEST(YAMLIO, TestScannerNoNullEmpty) {
3270 std::vector<char> str{};
3271 Input yin(llvm::StringRef(str.data(), str.size()));
3272 yin.setCurrentDocument();
3273 EXPECT_FALSE(yin.error());
3274 }
3275
3276 TEST(YAMLIO, TestScannerNoNullSequenceOfNull) {
3277 std::vector<char> str{'-'};
3278 Input yin(llvm::StringRef(str.data(), str.size()));
3279 yin.setCurrentDocument();
3280 EXPECT_FALSE(yin.error());
3281 }
3282
3283 TEST(YAMLIO, TestScannerNoNullSimpleSequence) {
3284 std::vector<char> str{'-', ' ', 'a'};
3285 Input yin(llvm::StringRef(str.data(), str.size()));
3286 yin.setCurrentDocument();
3287 EXPECT_FALSE(yin.error());
3288 }
3289
3290 TEST(YAMLIO, TestScannerNoNullUnbalancedMap) {
3291 std::vector<char> str{'{'};
3292 Input yin(llvm::StringRef(str.data(), str.size()));
3293 yin.setCurrentDocument();
3294 EXPECT_TRUE(yin.error());
3295 }
3296
3297 TEST(YAMLIO, TestScannerNoNullEmptyMap) {
3298 std::vector<char> str{'{', '}'};
3299 Input yin(llvm::StringRef(str.data(), str.size()));
3300 yin.setCurrentDocument();
3301 EXPECT_FALSE(yin.error());
3302 }
3303
3304 TEST(YAMLIO, TestScannerNoNullUnbalancedSequence) {
3305 std::vector<char> str{'['};
3306 Input yin(llvm::StringRef(str.data(), str.size()));
3307 yin.setCurrentDocument();
3308 EXPECT_TRUE(yin.error());
3309 }
3310
3311 TEST(YAMLIO, TestScannerNoNullEmptySequence) {
3312 std::vector<char> str{'[', ']'};
3313 Input yin(llvm::StringRef(str.data(), str.size()));
3314 yin.setCurrentDocument();
3315 EXPECT_FALSE(yin.error());
3316 }
3317
3318 TEST(YAMLIO, TestScannerNoNullScalarUnbalancedDoubleQuote) {
3319 std::vector<char> str{'"'};
3320 Input yin(llvm::StringRef(str.data(), str.size()));
3321 yin.setCurrentDocument();
3322 EXPECT_TRUE(yin.error());
3323 }
3324
3325 TEST(YAMLIO, TestScannerNoNullScalarUnbalancedSingleQuote) {
3326 std::vector<char> str{'\''};
3327 Input yin(llvm::StringRef(str.data(), str.size()));
3328 yin.setCurrentDocument();
3329 EXPECT_TRUE(yin.error());
3330 }
3331
3332 TEST(YAMLIO, TestScannerNoNullEmptyAlias) {
3333 std::vector<char> str{'&'};
3334 Input yin(llvm::StringRef(str.data(), str.size()));
3335 yin.setCurrentDocument();
3336 EXPECT_TRUE(yin.error());
3337 }
3338
3339 TEST(YAMLIO, TestScannerNoNullEmptyAnchor) {
3340 std::vector<char> str{'*'};
3341 Input yin(llvm::StringRef(str.data(), str.size()));
3342 yin.setCurrentDocument();
3343 EXPECT_TRUE(yin.error());
3344 }
3345
3346 TEST(YAMLIO, TestScannerNoNullDecodeInvalidUTF8) {
3347 std::vector<char> str{'\xef'};
3348 Input yin(llvm::StringRef(str.data(), str.size()));
3349 yin.setCurrentDocument();
3350 EXPECT_TRUE(yin.error());
3351 }
3352
3353 TEST(YAMLIO, TestScannerNoNullScanPlainScalarInFlow) {
3354 std::vector<char> str{'{', 'a', ':'};
3355 Input yin(llvm::StringRef(str.data(), str.size()));
3356 yin.setCurrentDocument();
3357 EXPECT_TRUE(yin.error());
3358 }
3359
3360 struct FixedArray {
3361 FixedArray() {
3362 // Initialize to int max as a sentinel value.
3363 for (auto &v : values)
3364 v = std::numeric_limits<int>::max();
3365 }
3366 int values[4];
3367 };
3368
3369 struct StdArray {
3370 StdArray() {
3371 // Initialize to int max as a sentinel value.
3372 for (auto &v : values)
3373 v = std::numeric_limits<int>::max();
3374 }
3375 std::array<int, 4> values;
3376 };
3377
3378 namespace llvm {
3379 namespace yaml {
3380 template <> struct MappingTraits<FixedArray> {
3381 static void mapping(IO &io, FixedArray &st) {
3382 MutableArrayRef<int> array = st.values;
3383 io.mapRequired("Values", array);
3384 }
3385 };
3386 template <> struct MappingTraits<StdArray> {
3387 static void mapping(IO &io, StdArray &st) {
3388 io.mapRequired("Values", st.values);
3389 }
3390 };
3391 } // namespace yaml
3392 } // namespace llvm
3393
3394 using TestTypes = ::testing::Types<FixedArray, StdArray>;
3395
3396 template <typename T> class YAMLIO : public testing::Test {};
3397 TYPED_TEST_SUITE(YAMLIO, TestTypes, );
3398
3399 TYPED_TEST(YAMLIO, FixedSizeArray) {
3400 TypeParam faval;
3401 Input yin("---\nValues: [ 1, 2, 3, 4 ]\n...\n");
3402 yin >> faval;
3403
3404 EXPECT_FALSE(yin.error());
3405 EXPECT_EQ(faval.values[0], 1);
3406 EXPECT_EQ(faval.values[1], 2);
3407 EXPECT_EQ(faval.values[2], 3);
3408 EXPECT_EQ(faval.values[3], 4);
3409
3410 std::string serialized;
3411 {
3412 llvm::raw_string_ostream os(serialized);
3413 Output yout(os);
3414 yout << faval;
3415 }
3416 auto expected = "---\n"
3417 "Values: [ 1, 2, 3, 4 ]\n"
3418 "...\n";
3419 ASSERT_EQ(serialized, expected);
3420 }
3421
3422 TYPED_TEST(YAMLIO, FixedSizeArrayMismatch) {
3423 {
3424 TypeParam faval;
3425 Input yin("---\nValues: [ 1, 2, 3 ]\n...\n");
3426 yin >> faval;
3427
3428 // No error for too small, leaves the default initialized value
3429 EXPECT_FALSE(yin.error());
3430 EXPECT_EQ(faval.values[0], 1);
3431 EXPECT_EQ(faval.values[1], 2);
3432 EXPECT_EQ(faval.values[2], 3);
3433 EXPECT_EQ(faval.values[3], std::numeric_limits<int>::max());
3434 }
3435
3436 {
3437 TypeParam faval;
3438 Input yin("---\nValues: [ 1, 2, 3, 4, 5 ]\n...\n");
3439 yin >> faval;
3440
3441 // Error for too many elements.
3442 EXPECT_TRUE(!!yin.error());
3443 }
3444 }
LLVM monorepo