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Bump version to 19.1.0-rc3
[llvm-project.git] / llvm / unittests / Support / YAMLIOTest.cpp
blob9d40b62115a67513d99407d22456b4d61dce2772
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, llvm::StringRef(ostr.str()).find("--- |"));
1243 }
1244 {
1245 Input yin(intermediate);
1246 std::vector<MultilineStringType> documents2;
1247 yin >> documents2;
1248
1249 EXPECT_FALSE(yin.error());
1250 EXPECT_EQ(documents2.size(), size_t(1));
1251 EXPECT_EQ(documents2[0].str, "Hello\nWorld\n");
1252 }
1253 }
1254
1255 TEST(YAMLIO, TestReadWriteBlockScalarValue) {
1256 std::string intermediate;
1257 {
1258 MultilineStringType doc;
1259 doc.str = "Just a block\nscalar doc";
1260
1261 llvm::raw_string_ostream ostr(intermediate);
1262 Output yout(ostr);
1263 yout << doc;
1264 }
1265 {
1266 Input yin(intermediate);
1267 MultilineStringType doc;
1268 yin >> doc;
1269
1270 EXPECT_FALSE(yin.error());
1271 EXPECT_EQ(doc.str, "Just a block\nscalar doc\n");
1272 }
1273 }
1274
1275 //===----------------------------------------------------------------------===//
1276 // Test flow sequences
1277 //===----------------------------------------------------------------------===//
1278
1279 LLVM_YAML_STRONG_TYPEDEF(int, MyNumber)
1280 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(MyNumber)
1281 LLVM_YAML_STRONG_TYPEDEF(llvm::StringRef, MyString)
1282 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(MyString)
1283
1284 namespace llvm {
1285 namespace yaml {
1286 template<>
1287 struct ScalarTraits<MyNumber> {
1288 static void output(const MyNumber &value, void *, llvm::raw_ostream &out) {
1289 out << value;
1290 }
1291
1292 static StringRef input(StringRef scalar, void *, MyNumber &value) {
1293 long long n;
1294 if ( getAsSignedInteger(scalar, 0, n) )
1295 return "invalid number";
1296 value = n;
1297 return StringRef();
1298 }
1299
1300 static QuotingType mustQuote(StringRef) { return QuotingType::None; }
1301 };
1302
1303 template <> struct ScalarTraits<MyString> {
1304 using Impl = ScalarTraits<StringRef>;
1305 static void output(const MyString &V, void *Ctx, raw_ostream &OS) {
1306 Impl::output(V, Ctx, OS);
1307 }
1308 static StringRef input(StringRef S, void *Ctx, MyString &V) {
1309 return Impl::input(S, Ctx, V.value);
1310 }
1311 static QuotingType mustQuote(StringRef S) {
1312 return Impl::mustQuote(S);
1313 }
1314 };
1315 }
1316 }
1317
1318 struct NameAndNumbers {
1319 llvm::StringRef name;
1320 std::vector<MyString> strings;
1321 std::vector<MyNumber> single;
1322 std::vector<MyNumber> numbers;
1323 };
1324
1325 namespace llvm {
1326 namespace yaml {
1327 template <>
1328 struct MappingTraits<NameAndNumbers> {
1329 static void mapping(IO &io, NameAndNumbers& nn) {
1330 io.mapRequired("name", nn.name);
1331 io.mapRequired("strings", nn.strings);
1332 io.mapRequired("single", nn.single);
1333 io.mapRequired("numbers", nn.numbers);
1334 }
1335 };
1336 }
1337 }
1338
1339 typedef std::vector<MyNumber> MyNumberFlowSequence;
1340
1341 LLVM_YAML_IS_SEQUENCE_VECTOR(MyNumberFlowSequence)
1342
1343 struct NameAndNumbersFlow {
1344 llvm::StringRef name;
1345 std::vector<MyNumberFlowSequence> sequenceOfNumbers;
1346 };
1347
1348 namespace llvm {
1349 namespace yaml {
1350 template <>
1351 struct MappingTraits<NameAndNumbersFlow> {
1352 static void mapping(IO &io, NameAndNumbersFlow& nn) {
1353 io.mapRequired("name", nn.name);
1354 io.mapRequired("sequenceOfNumbers", nn.sequenceOfNumbers);
1355 }
1356 };
1357 }
1358 }
1359
1360 //
1361 // Test writing then reading back custom values
1362 //
1363 TEST(YAMLIO, TestReadWriteMyFlowSequence) {
1364 std::string intermediate;
1365 {
1366 NameAndNumbers map;
1367 map.name = "hello";
1368 map.strings.push_back(llvm::StringRef("one"));
1369 map.strings.push_back(llvm::StringRef("two"));
1370 map.single.push_back(1);
1371 map.numbers.push_back(10);
1372 map.numbers.push_back(-30);
1373 map.numbers.push_back(1024);
1374
1375 llvm::raw_string_ostream ostr(intermediate);
1376 Output yout(ostr);
1377 yout << map;
1378
1379 // Verify sequences were written in flow style
1380 ostr.flush();
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 ostr.flush();
1427 llvm::StringRef flowOut(intermediate);
1428 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ 0 ]"));
1429 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ 12, 1, -512 ]"));
1430 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- [ ]"));
1431 }
1432
1433 {
1434 Input yin(intermediate);
1435 NameAndNumbersFlow map2;
1436 yin >> map2;
1437
1438 EXPECT_FALSE(yin.error());
1439 EXPECT_TRUE(map2.name == "hello");
1440 EXPECT_EQ(map2.sequenceOfNumbers.size(), 3UL);
1441 EXPECT_EQ(map2.sequenceOfNumbers[0].size(), 1UL);
1442 EXPECT_EQ(0, map2.sequenceOfNumbers[0][0]);
1443 EXPECT_EQ(map2.sequenceOfNumbers[1].size(), 3UL);
1444 EXPECT_EQ(12, map2.sequenceOfNumbers[1][0]);
1445 EXPECT_EQ(1, map2.sequenceOfNumbers[1][1]);
1446 EXPECT_EQ(-512, map2.sequenceOfNumbers[1][2]);
1447 EXPECT_TRUE(map2.sequenceOfNumbers[2].empty());
1448 }
1449 }
1450
1451 //===----------------------------------------------------------------------===//
1452 // Test normalizing/denormalizing
1453 //===----------------------------------------------------------------------===//
1454
1455 LLVM_YAML_STRONG_TYPEDEF(uint32_t, TotalSeconds)
1456
1457 typedef std::vector<TotalSeconds> SecondsSequence;
1458
1459 LLVM_YAML_IS_SEQUENCE_VECTOR(TotalSeconds)
1460
1461
1462 namespace llvm {
1463 namespace yaml {
1464 template <>
1465 struct MappingTraits<TotalSeconds> {
1466
1467 class NormalizedSeconds {
1468 public:
1469 NormalizedSeconds(IO &io)
1470 : hours(0), minutes(0), seconds(0) {
1471 }
1472 NormalizedSeconds(IO &, TotalSeconds &secs)
1473 : hours(secs/3600),
1474 minutes((secs - (hours*3600))/60),
1475 seconds(secs % 60) {
1476 }
1477 TotalSeconds denormalize(IO &) {
1478 return TotalSeconds(hours*3600 + minutes*60 + seconds);
1479 }
1480
1481 uint32_t hours;
1482 uint8_t minutes;
1483 uint8_t seconds;
1484 };
1485
1486 static void mapping(IO &io, TotalSeconds &secs) {
1487 MappingNormalization<NormalizedSeconds, TotalSeconds> keys(io, secs);
1488
1489 io.mapOptional("hours", keys->hours, 0);
1490 io.mapOptional("minutes", keys->minutes, 0);
1491 io.mapRequired("seconds", keys->seconds);
1492 }
1493 };
1494 }
1495 }
1496
1497
1498 //
1499 // Test the reading of a yaml sequence of mappings
1500 //
1501 TEST(YAMLIO, TestReadMySecondsSequence) {
1502 SecondsSequence seq;
1503 Input yin("---\n - hours: 1\n seconds: 5\n - seconds: 59\n...\n");
1504 yin >> seq;
1505
1506 EXPECT_FALSE(yin.error());
1507 EXPECT_EQ(seq.size(), 2UL);
1508 EXPECT_EQ(seq[0], 3605U);
1509 EXPECT_EQ(seq[1], 59U);
1510 }
1511
1512
1513 //
1514 // Test writing then reading back custom values
1515 //
1516 TEST(YAMLIO, TestReadWriteMySecondsSequence) {
1517 std::string intermediate;
1518 {
1519 SecondsSequence seq;
1520 seq.push_back(4000);
1521 seq.push_back(500);
1522 seq.push_back(59);
1523
1524 llvm::raw_string_ostream ostr(intermediate);
1525 Output yout(ostr);
1526 yout << seq;
1527 }
1528 {
1529 Input yin(intermediate);
1530 SecondsSequence seq2;
1531 yin >> seq2;
1532
1533 EXPECT_FALSE(yin.error());
1534 EXPECT_EQ(seq2.size(), 3UL);
1535 EXPECT_EQ(seq2[0], 4000U);
1536 EXPECT_EQ(seq2[1], 500U);
1537 EXPECT_EQ(seq2[2], 59U);
1538 }
1539 }
1540
1541
1542 //===----------------------------------------------------------------------===//
1543 // Test dynamic typing
1544 //===----------------------------------------------------------------------===//
1545
1546 enum AFlags {
1547 a1,
1548 a2,
1549 a3
1550 };
1551
1552 enum BFlags {
1553 b1,
1554 b2,
1555 b3
1556 };
1557
1558 enum Kind {
1559 kindA,
1560 kindB
1561 };
1562
1563 struct KindAndFlags {
1564 KindAndFlags() : kind(kindA), flags(0) { }
1565 KindAndFlags(Kind k, uint32_t f) : kind(k), flags(f) { }
1566 Kind kind;
1567 uint32_t flags;
1568 };
1569
1570 typedef std::vector<KindAndFlags> KindAndFlagsSequence;
1571
1572 LLVM_YAML_IS_SEQUENCE_VECTOR(KindAndFlags)
1573
1574 namespace llvm {
1575 namespace yaml {
1576 template <>
1577 struct ScalarEnumerationTraits<AFlags> {
1578 static void enumeration(IO &io, AFlags &value) {
1579 io.enumCase(value, "a1", a1);
1580 io.enumCase(value, "a2", a2);
1581 io.enumCase(value, "a3", a3);
1582 }
1583 };
1584 template <>
1585 struct ScalarEnumerationTraits<BFlags> {
1586 static void enumeration(IO &io, BFlags &value) {
1587 io.enumCase(value, "b1", b1);
1588 io.enumCase(value, "b2", b2);
1589 io.enumCase(value, "b3", b3);
1590 }
1591 };
1592 template <>
1593 struct ScalarEnumerationTraits<Kind> {
1594 static void enumeration(IO &io, Kind &value) {
1595 io.enumCase(value, "A", kindA);
1596 io.enumCase(value, "B", kindB);
1597 }
1598 };
1599 template <>
1600 struct MappingTraits<KindAndFlags> {
1601 static void mapping(IO &io, KindAndFlags& kf) {
1602 io.mapRequired("kind", kf.kind);
1603 // Type of "flags" field varies depending on "kind" field.
1604 // Use memcpy here to avoid breaking strict aliasing rules.
1605 if (kf.kind == kindA) {
1606 AFlags aflags = static_cast<AFlags>(kf.flags);
1607 io.mapRequired("flags", aflags);
1608 kf.flags = aflags;
1609 } else {
1610 BFlags bflags = static_cast<BFlags>(kf.flags);
1611 io.mapRequired("flags", bflags);
1612 kf.flags = bflags;
1613 }
1614 }
1615 };
1616 }
1617 }
1618
1619
1620 //
1621 // Test the reading of a yaml sequence dynamic types
1622 //
1623 TEST(YAMLIO, TestReadKindAndFlagsSequence) {
1624 KindAndFlagsSequence seq;
1625 Input yin("---\n - kind: A\n flags: a2\n - kind: B\n flags: b1\n...\n");
1626 yin >> seq;
1627
1628 EXPECT_FALSE(yin.error());
1629 EXPECT_EQ(seq.size(), 2UL);
1630 EXPECT_EQ(seq[0].kind, kindA);
1631 EXPECT_EQ(seq[0].flags, (uint32_t)a2);
1632 EXPECT_EQ(seq[1].kind, kindB);
1633 EXPECT_EQ(seq[1].flags, (uint32_t)b1);
1634 }
1635
1636 //
1637 // Test writing then reading back dynamic types
1638 //
1639 TEST(YAMLIO, TestReadWriteKindAndFlagsSequence) {
1640 std::string intermediate;
1641 {
1642 KindAndFlagsSequence seq;
1643 seq.push_back(KindAndFlags(kindA,a1));
1644 seq.push_back(KindAndFlags(kindB,b1));
1645 seq.push_back(KindAndFlags(kindA,a2));
1646 seq.push_back(KindAndFlags(kindB,b2));
1647 seq.push_back(KindAndFlags(kindA,a3));
1648
1649 llvm::raw_string_ostream ostr(intermediate);
1650 Output yout(ostr);
1651 yout << seq;
1652 }
1653 {
1654 Input yin(intermediate);
1655 KindAndFlagsSequence seq2;
1656 yin >> seq2;
1657
1658 EXPECT_FALSE(yin.error());
1659 EXPECT_EQ(seq2.size(), 5UL);
1660 EXPECT_EQ(seq2[0].kind, kindA);
1661 EXPECT_EQ(seq2[0].flags, (uint32_t)a1);
1662 EXPECT_EQ(seq2[1].kind, kindB);
1663 EXPECT_EQ(seq2[1].flags, (uint32_t)b1);
1664 EXPECT_EQ(seq2[2].kind, kindA);
1665 EXPECT_EQ(seq2[2].flags, (uint32_t)a2);
1666 EXPECT_EQ(seq2[3].kind, kindB);
1667 EXPECT_EQ(seq2[3].flags, (uint32_t)b2);
1668 EXPECT_EQ(seq2[4].kind, kindA);
1669 EXPECT_EQ(seq2[4].flags, (uint32_t)a3);
1670 }
1671 }
1672
1673
1674 //===----------------------------------------------------------------------===//
1675 // Test document list
1676 //===----------------------------------------------------------------------===//
1677
1678 struct FooBarMap {
1679 int foo;
1680 int bar;
1681 };
1682 typedef std::vector<FooBarMap> FooBarMapDocumentList;
1683
1684 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(FooBarMap)
1685
1686
1687 namespace llvm {
1688 namespace yaml {
1689 template <>
1690 struct MappingTraits<FooBarMap> {
1691 static void mapping(IO &io, FooBarMap& fb) {
1692 io.mapRequired("foo", fb.foo);
1693 io.mapRequired("bar", fb.bar);
1694 }
1695 };
1696 }
1697 }
1698
1699
1700 //
1701 // Test the reading of a yaml mapping
1702 //
1703 TEST(YAMLIO, TestDocRead) {
1704 FooBarMap doc;
1705 Input yin("---\nfoo: 3\nbar: 5\n...\n");
1706 yin >> doc;
1707
1708 EXPECT_FALSE(yin.error());
1709 EXPECT_EQ(doc.foo, 3);
1710 EXPECT_EQ(doc.bar,5);
1711 }
1712
1713
1714
1715 //
1716 // Test writing then reading back a sequence of mappings
1717 //
1718 TEST(YAMLIO, TestSequenceDocListWriteAndRead) {
1719 std::string intermediate;
1720 {
1721 FooBarMap doc1;
1722 doc1.foo = 10;
1723 doc1.bar = -3;
1724 FooBarMap doc2;
1725 doc2.foo = 257;
1726 doc2.bar = 0;
1727 std::vector<FooBarMap> docList;
1728 docList.push_back(doc1);
1729 docList.push_back(doc2);
1730
1731 llvm::raw_string_ostream ostr(intermediate);
1732 Output yout(ostr);
1733 yout << docList;
1734 }
1735
1736
1737 {
1738 Input yin(intermediate);
1739 std::vector<FooBarMap> docList2;
1740 yin >> docList2;
1741
1742 EXPECT_FALSE(yin.error());
1743 EXPECT_EQ(docList2.size(), 2UL);
1744 FooBarMap& map1 = docList2[0];
1745 FooBarMap& map2 = docList2[1];
1746 EXPECT_EQ(map1.foo, 10);
1747 EXPECT_EQ(map1.bar, -3);
1748 EXPECT_EQ(map2.foo, 257);
1749 EXPECT_EQ(map2.bar, 0);
1750 }
1751 }
1752
1753 //===----------------------------------------------------------------------===//
1754 // Test document tags
1755 //===----------------------------------------------------------------------===//
1756
1757 struct MyDouble {
1758 MyDouble() : value(0.0) { }
1759 MyDouble(double x) : value(x) { }
1760 double value;
1761 };
1762
1763 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyDouble)
1764
1765
1766 namespace llvm {
1767 namespace yaml {
1768 template <>
1769 struct MappingTraits<MyDouble> {
1770 static void mapping(IO &io, MyDouble &d) {
1771 if (io.mapTag("!decimal", true)) {
1772 mappingDecimal(io, d);
1773 } else if (io.mapTag("!fraction")) {
1774 mappingFraction(io, d);
1775 }
1776 }
1777 static void mappingDecimal(IO &io, MyDouble &d) {
1778 io.mapRequired("value", d.value);
1779 }
1780 static void mappingFraction(IO &io, MyDouble &d) {
1781 double num, denom;
1782 io.mapRequired("numerator", num);
1783 io.mapRequired("denominator", denom);
1784 // convert fraction to double
1785 d.value = num/denom;
1786 }
1787 };
1788 }
1789 }
1790
1791
1792 //
1793 // Test the reading of two different tagged yaml documents.
1794 //
1795 TEST(YAMLIO, TestTaggedDocuments) {
1796 std::vector<MyDouble> docList;
1797 Input yin("--- !decimal\nvalue: 3.0\n"
1798 "--- !fraction\nnumerator: 9.0\ndenominator: 2\n...\n");
1799 yin >> docList;
1800 EXPECT_FALSE(yin.error());
1801 EXPECT_EQ(docList.size(), 2UL);
1802 EXPECT_EQ(docList[0].value, 3.0);
1803 EXPECT_EQ(docList[1].value, 4.5);
1804 }
1805
1806
1807
1808 //
1809 // Test writing then reading back tagged documents
1810 //
1811 TEST(YAMLIO, TestTaggedDocumentsWriteAndRead) {
1812 std::string intermediate;
1813 {
1814 MyDouble a(10.25);
1815 MyDouble b(-3.75);
1816 std::vector<MyDouble> docList;
1817 docList.push_back(a);
1818 docList.push_back(b);
1819
1820 llvm::raw_string_ostream ostr(intermediate);
1821 Output yout(ostr);
1822 yout << docList;
1823 }
1824
1825 {
1826 Input yin(intermediate);
1827 std::vector<MyDouble> docList2;
1828 yin >> docList2;
1829
1830 EXPECT_FALSE(yin.error());
1831 EXPECT_EQ(docList2.size(), 2UL);
1832 EXPECT_EQ(docList2[0].value, 10.25);
1833 EXPECT_EQ(docList2[1].value, -3.75);
1834 }
1835 }
1836
1837
1838 //===----------------------------------------------------------------------===//
1839 // Test mapping validation
1840 //===----------------------------------------------------------------------===//
1841
1842 struct MyValidation {
1843 double value;
1844 };
1845
1846 LLVM_YAML_IS_DOCUMENT_LIST_VECTOR(MyValidation)
1847
1848 namespace llvm {
1849 namespace yaml {
1850 template <>
1851 struct MappingTraits<MyValidation> {
1852 static void mapping(IO &io, MyValidation &d) {
1853 io.mapRequired("value", d.value);
1854 }
1855 static std::string validate(IO &io, MyValidation &d) {
1856 if (d.value < 0)
1857 return "negative value";
1858 return {};
1859 }
1860 };
1861 }
1862 }
1863
1864
1865 //
1866 // Test that validate() is called and complains about the negative value.
1867 //
1868 TEST(YAMLIO, TestValidatingInput) {
1869 std::vector<MyValidation> docList;
1870 Input yin("--- \nvalue: 3.0\n"
1871 "--- \nvalue: -1.0\n...\n",
1872 nullptr, suppressErrorMessages);
1873 yin >> docList;
1874 EXPECT_TRUE(!!yin.error());
1875 }
1876
1877 //===----------------------------------------------------------------------===//
1878 // Test flow mapping
1879 //===----------------------------------------------------------------------===//
1880
1881 struct FlowFooBar {
1882 int foo;
1883 int bar;
1884
1885 FlowFooBar() : foo(0), bar(0) {}
1886 FlowFooBar(int foo, int bar) : foo(foo), bar(bar) {}
1887 };
1888
1889 typedef std::vector<FlowFooBar> FlowFooBarSequence;
1890
1891 LLVM_YAML_IS_SEQUENCE_VECTOR(FlowFooBar)
1892
1893 struct FlowFooBarDoc {
1894 FlowFooBar attribute;
1895 FlowFooBarSequence seq;
1896 };
1897
1898 namespace llvm {
1899 namespace yaml {
1900 template <>
1901 struct MappingTraits<FlowFooBar> {
1902 static void mapping(IO &io, FlowFooBar &fb) {
1903 io.mapRequired("foo", fb.foo);
1904 io.mapRequired("bar", fb.bar);
1905 }
1906
1907 static const bool flow = true;
1908 };
1909
1910 template <>
1911 struct MappingTraits<FlowFooBarDoc> {
1912 static void mapping(IO &io, FlowFooBarDoc &fb) {
1913 io.mapRequired("attribute", fb.attribute);
1914 io.mapRequired("seq", fb.seq);
1915 }
1916 };
1917 }
1918 }
1919
1920 //
1921 // Test writing then reading back custom mappings
1922 //
1923 TEST(YAMLIO, TestReadWriteMyFlowMapping) {
1924 std::string intermediate;
1925 {
1926 FlowFooBarDoc doc;
1927 doc.attribute = FlowFooBar(42, 907);
1928 doc.seq.push_back(FlowFooBar(1, 2));
1929 doc.seq.push_back(FlowFooBar(0, 0));
1930 doc.seq.push_back(FlowFooBar(-1, 1024));
1931
1932 llvm::raw_string_ostream ostr(intermediate);
1933 Output yout(ostr);
1934 yout << doc;
1935
1936 // Verify that mappings were written in flow style
1937 ostr.flush();
1938 llvm::StringRef flowOut(intermediate);
1939 EXPECT_NE(llvm::StringRef::npos, flowOut.find("{ foo: 42, bar: 907 }"));
1940 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: 1, bar: 2 }"));
1941 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: 0, bar: 0 }"));
1942 EXPECT_NE(llvm::StringRef::npos, flowOut.find("- { foo: -1, bar: 1024 }"));
1943 }
1944
1945 {
1946 Input yin(intermediate);
1947 FlowFooBarDoc doc2;
1948 yin >> doc2;
1949
1950 EXPECT_FALSE(yin.error());
1951 EXPECT_EQ(doc2.attribute.foo, 42);
1952 EXPECT_EQ(doc2.attribute.bar, 907);
1953 EXPECT_EQ(doc2.seq.size(), 3UL);
1954 EXPECT_EQ(doc2.seq[0].foo, 1);
1955 EXPECT_EQ(doc2.seq[0].bar, 2);
1956 EXPECT_EQ(doc2.seq[1].foo, 0);
1957 EXPECT_EQ(doc2.seq[1].bar, 0);
1958 EXPECT_EQ(doc2.seq[2].foo, -1);
1959 EXPECT_EQ(doc2.seq[2].bar, 1024);
1960 }
1961 }
1962
1963 //===----------------------------------------------------------------------===//
1964 // Test error handling
1965 //===----------------------------------------------------------------------===//
1966
1967 //
1968 // Test error handling of unknown enumerated scalar
1969 //
1970 TEST(YAMLIO, TestColorsReadError) {
1971 ColorMap map;
1972 Input yin("---\n"
1973 "c1: blue\n"
1974 "c2: purple\n"
1975 "c3: green\n"
1976 "...\n",
1977 /*Ctxt=*/nullptr,
1978 suppressErrorMessages);
1979 yin >> map;
1980 EXPECT_TRUE(!!yin.error());
1981 }
1982
1983
1984 //
1985 // Test error handling of flow sequence with unknown value
1986 //
1987 TEST(YAMLIO, TestFlagsReadError) {
1988 FlagsMap map;
1989 Input yin("---\n"
1990 "f1: [ big ]\n"
1991 "f2: [ round, hollow ]\n"
1992 "f3: []\n"
1993 "...\n",
1994 /*Ctxt=*/nullptr,
1995 suppressErrorMessages);
1996 yin >> map;
1997
1998 EXPECT_TRUE(!!yin.error());
1999 }
2000
2001
2002 //
2003 // Test error handling reading built-in uint8_t type
2004 //
2005 TEST(YAMLIO, TestReadBuiltInTypesUint8Error) {
2006 std::vector<uint8_t> seq;
2007 Input yin("---\n"
2008 "- 255\n"
2009 "- 0\n"
2010 "- 257\n"
2011 "...\n",
2012 /*Ctxt=*/nullptr,
2013 suppressErrorMessages);
2014 yin >> seq;
2015
2016 EXPECT_TRUE(!!yin.error());
2017 }
2018
2019
2020 //
2021 // Test error handling reading built-in uint16_t type
2022 //
2023 TEST(YAMLIO, TestReadBuiltInTypesUint16Error) {
2024 std::vector<uint16_t> seq;
2025 Input yin("---\n"
2026 "- 65535\n"
2027 "- 0\n"
2028 "- 66000\n"
2029 "...\n",
2030 /*Ctxt=*/nullptr,
2031 suppressErrorMessages);
2032 yin >> seq;
2033
2034 EXPECT_TRUE(!!yin.error());
2035 }
2036
2037
2038 //
2039 // Test error handling reading built-in uint32_t type
2040 //
2041 TEST(YAMLIO, TestReadBuiltInTypesUint32Error) {
2042 std::vector<uint32_t> seq;
2043 Input yin("---\n"
2044 "- 4000000000\n"
2045 "- 0\n"
2046 "- 5000000000\n"
2047 "...\n",
2048 /*Ctxt=*/nullptr,
2049 suppressErrorMessages);
2050 yin >> seq;
2051
2052 EXPECT_TRUE(!!yin.error());
2053 }
2054
2055
2056 //
2057 // Test error handling reading built-in uint64_t type
2058 //
2059 TEST(YAMLIO, TestReadBuiltInTypesUint64Error) {
2060 std::vector<uint64_t> seq;
2061 Input yin("---\n"
2062 "- 18446744073709551615\n"
2063 "- 0\n"
2064 "- 19446744073709551615\n"
2065 "...\n",
2066 /*Ctxt=*/nullptr,
2067 suppressErrorMessages);
2068 yin >> seq;
2069
2070 EXPECT_TRUE(!!yin.error());
2071 }
2072
2073
2074 //
2075 // Test error handling reading built-in int8_t type
2076 //
2077 TEST(YAMLIO, TestReadBuiltInTypesint8OverError) {
2078 std::vector<int8_t> seq;
2079 Input yin("---\n"
2080 "- -128\n"
2081 "- 0\n"
2082 "- 127\n"
2083 "- 128\n"
2084 "...\n",
2085 /*Ctxt=*/nullptr,
2086 suppressErrorMessages);
2087 yin >> seq;
2088
2089 EXPECT_TRUE(!!yin.error());
2090 }
2091
2092 //
2093 // Test error handling reading built-in int8_t type
2094 //
2095 TEST(YAMLIO, TestReadBuiltInTypesint8UnderError) {
2096 std::vector<int8_t> seq;
2097 Input yin("---\n"
2098 "- -128\n"
2099 "- 0\n"
2100 "- 127\n"
2101 "- -129\n"
2102 "...\n",
2103 /*Ctxt=*/nullptr,
2104 suppressErrorMessages);
2105 yin >> seq;
2106
2107 EXPECT_TRUE(!!yin.error());
2108 }
2109
2110
2111 //
2112 // Test error handling reading built-in int16_t type
2113 //
2114 TEST(YAMLIO, TestReadBuiltInTypesint16UnderError) {
2115 std::vector<int16_t> seq;
2116 Input yin("---\n"
2117 "- 32767\n"
2118 "- 0\n"
2119 "- -32768\n"
2120 "- -32769\n"
2121 "...\n",
2122 /*Ctxt=*/nullptr,
2123 suppressErrorMessages);
2124 yin >> seq;
2125
2126 EXPECT_TRUE(!!yin.error());
2127 }
2128
2129
2130 //
2131 // Test error handling reading built-in int16_t type
2132 //
2133 TEST(YAMLIO, TestReadBuiltInTypesint16OverError) {
2134 std::vector<int16_t> seq;
2135 Input yin("---\n"
2136 "- 32767\n"
2137 "- 0\n"
2138 "- -32768\n"
2139 "- 32768\n"
2140 "...\n",
2141 /*Ctxt=*/nullptr,
2142 suppressErrorMessages);
2143 yin >> seq;
2144
2145 EXPECT_TRUE(!!yin.error());
2146 }
2147
2148
2149 //
2150 // Test error handling reading built-in int32_t type
2151 //
2152 TEST(YAMLIO, TestReadBuiltInTypesint32UnderError) {
2153 std::vector<int32_t> seq;
2154 Input yin("---\n"
2155 "- 2147483647\n"
2156 "- 0\n"
2157 "- -2147483648\n"
2158 "- -2147483649\n"
2159 "...\n",
2160 /*Ctxt=*/nullptr,
2161 suppressErrorMessages);
2162 yin >> seq;
2163
2164 EXPECT_TRUE(!!yin.error());
2165 }
2166
2167 //
2168 // Test error handling reading built-in int32_t type
2169 //
2170 TEST(YAMLIO, TestReadBuiltInTypesint32OverError) {
2171 std::vector<int32_t> seq;
2172 Input yin("---\n"
2173 "- 2147483647\n"
2174 "- 0\n"
2175 "- -2147483648\n"
2176 "- 2147483649\n"
2177 "...\n",
2178 /*Ctxt=*/nullptr,
2179 suppressErrorMessages);
2180 yin >> seq;
2181
2182 EXPECT_TRUE(!!yin.error());
2183 }
2184
2185
2186 //
2187 // Test error handling reading built-in int64_t type
2188 //
2189 TEST(YAMLIO, TestReadBuiltInTypesint64UnderError) {
2190 std::vector<int64_t> seq;
2191 Input yin("---\n"
2192 "- -9223372036854775808\n"
2193 "- 0\n"
2194 "- 9223372036854775807\n"
2195 "- -9223372036854775809\n"
2196 "...\n",
2197 /*Ctxt=*/nullptr,
2198 suppressErrorMessages);
2199 yin >> seq;
2200
2201 EXPECT_TRUE(!!yin.error());
2202 }
2203
2204 //
2205 // Test error handling reading built-in int64_t type
2206 //
2207 TEST(YAMLIO, TestReadBuiltInTypesint64OverError) {
2208 std::vector<int64_t> seq;
2209 Input yin("---\n"
2210 "- -9223372036854775808\n"
2211 "- 0\n"
2212 "- 9223372036854775807\n"
2213 "- 9223372036854775809\n"
2214 "...\n",
2215 /*Ctxt=*/nullptr,
2216 suppressErrorMessages);
2217 yin >> seq;
2218
2219 EXPECT_TRUE(!!yin.error());
2220 }
2221
2222 //
2223 // Test error handling reading built-in float type
2224 //
2225 TEST(YAMLIO, TestReadBuiltInTypesFloatError) {
2226 std::vector<float> seq;
2227 Input yin("---\n"
2228 "- 0.0\n"
2229 "- 1000.1\n"
2230 "- -123.456\n"
2231 "- 1.2.3\n"
2232 "...\n",
2233 /*Ctxt=*/nullptr,
2234 suppressErrorMessages);
2235 yin >> seq;
2236
2237 EXPECT_TRUE(!!yin.error());
2238 }
2239
2240 //
2241 // Test error handling reading built-in float type
2242 //
2243 TEST(YAMLIO, TestReadBuiltInTypesDoubleError) {
2244 std::vector<double> seq;
2245 Input yin("---\n"
2246 "- 0.0\n"
2247 "- 1000.1\n"
2248 "- -123.456\n"
2249 "- 1.2.3\n"
2250 "...\n",
2251 /*Ctxt=*/nullptr,
2252 suppressErrorMessages);
2253 yin >> seq;
2254
2255 EXPECT_TRUE(!!yin.error());
2256 }
2257
2258 //
2259 // Test error handling reading built-in Hex8 type
2260 //
2261 TEST(YAMLIO, TestReadBuiltInTypesHex8Error) {
2262 std::vector<Hex8> seq;
2263 Input yin("---\n"
2264 "- 0x12\n"
2265 "- 0xFE\n"
2266 "- 0x123\n"
2267 "...\n",
2268 /*Ctxt=*/nullptr,
2269 suppressErrorMessages);
2270 yin >> seq;
2271 EXPECT_TRUE(!!yin.error());
2272
2273 std::vector<Hex8> seq2;
2274 Input yin2("---\n"
2275 "[ 0x12, 0xFE, 0x123 ]\n"
2276 "...\n",
2277 /*Ctxt=*/nullptr, suppressErrorMessages);
2278 yin2 >> seq2;
2279 EXPECT_TRUE(!!yin2.error());
2280
2281 EXPECT_EQ(seq.size(), 3u);
2282 EXPECT_EQ(seq.size(), seq2.size());
2283 for (size_t i = 0; i < seq.size(); ++i)
2284 EXPECT_EQ(seq[i], seq2[i]);
2285 }
2286
2287
2288 //
2289 // Test error handling reading built-in Hex16 type
2290 //
2291 TEST(YAMLIO, TestReadBuiltInTypesHex16Error) {
2292 std::vector<Hex16> seq;
2293 Input yin("---\n"
2294 "- 0x0012\n"
2295 "- 0xFEFF\n"
2296 "- 0x12345\n"
2297 "...\n",
2298 /*Ctxt=*/nullptr,
2299 suppressErrorMessages);
2300 yin >> seq;
2301 EXPECT_TRUE(!!yin.error());
2302
2303 std::vector<Hex16> seq2;
2304 Input yin2("---\n"
2305 "[ 0x0012, 0xFEFF, 0x12345 ]\n"
2306 "...\n",
2307 /*Ctxt=*/nullptr, suppressErrorMessages);
2308 yin2 >> seq2;
2309 EXPECT_TRUE(!!yin2.error());
2310
2311 EXPECT_EQ(seq.size(), 3u);
2312 EXPECT_EQ(seq.size(), seq2.size());
2313 for (size_t i = 0; i < seq.size(); ++i)
2314 EXPECT_EQ(seq[i], seq2[i]);
2315 }
2316
2317 //
2318 // Test error handling reading built-in Hex32 type
2319 //
2320 TEST(YAMLIO, TestReadBuiltInTypesHex32Error) {
2321 std::vector<Hex32> seq;
2322 Input yin("---\n"
2323 "- 0x0012\n"
2324 "- 0xFEFF0000\n"
2325 "- 0x1234556789\n"
2326 "...\n",
2327 /*Ctxt=*/nullptr,
2328 suppressErrorMessages);
2329 yin >> seq;
2330
2331 EXPECT_TRUE(!!yin.error());
2332
2333 std::vector<Hex32> seq2;
2334 Input yin2("---\n"
2335 "[ 0x0012, 0xFEFF0000, 0x1234556789 ]\n"
2336 "...\n",
2337 /*Ctxt=*/nullptr, suppressErrorMessages);
2338 yin2 >> seq2;
2339 EXPECT_TRUE(!!yin2.error());
2340
2341 EXPECT_EQ(seq.size(), 3u);
2342 EXPECT_EQ(seq.size(), seq2.size());
2343 for (size_t i = 0; i < seq.size(); ++i)
2344 EXPECT_EQ(seq[i], seq2[i]);
2345 }
2346
2347 //
2348 // Test error handling reading built-in Hex64 type
2349 //
2350 TEST(YAMLIO, TestReadBuiltInTypesHex64Error) {
2351 std::vector<Hex64> seq;
2352 Input yin("---\n"
2353 "- 0x0012\n"
2354 "- 0xFFEEDDCCBBAA9988\n"
2355 "- 0x12345567890ABCDEF0\n"
2356 "...\n",
2357 /*Ctxt=*/nullptr,
2358 suppressErrorMessages);
2359 yin >> seq;
2360 EXPECT_TRUE(!!yin.error());
2361
2362 std::vector<Hex64> seq2;
2363 Input yin2("---\n"
2364 "[ 0x0012, 0xFFEEDDCCBBAA9988, 0x12345567890ABCDEF0 ]\n"
2365 "...\n",
2366 /*Ctxt=*/nullptr, suppressErrorMessages);
2367 yin2 >> seq2;
2368 EXPECT_TRUE(!!yin2.error());
2369
2370 EXPECT_EQ(seq.size(), 3u);
2371 EXPECT_EQ(seq.size(), seq2.size());
2372 for (size_t i = 0; i < seq.size(); ++i)
2373 EXPECT_EQ(seq[i], seq2[i]);
2374 }
2375
2376 TEST(YAMLIO, TestMalformedMapFailsGracefully) {
2377 FooBar doc;
2378 {
2379 // We pass the suppressErrorMessages handler to handle the error
2380 // message generated in the constructor of Input.
2381 Input yin("{foo:3, bar: 5}", /*Ctxt=*/nullptr, suppressErrorMessages);
2382 yin >> doc;
2383 EXPECT_TRUE(!!yin.error());
2384 }
2385
2386 {
2387 Input yin("---\nfoo:3\nbar: 5\n...\n", /*Ctxt=*/nullptr, suppressErrorMessages);
2388 yin >> doc;
2389 EXPECT_TRUE(!!yin.error());
2390 }
2391 }
2392
2393 struct OptionalTest {
2394 std::vector<int> Numbers;
2395 std::optional<int> MaybeNumber;
2396 };
2397
2398 struct OptionalTestSeq {
2399 std::vector<OptionalTest> Tests;
2400 };
2401
2402 LLVM_YAML_IS_SEQUENCE_VECTOR(OptionalTest)
2403 namespace llvm {
2404 namespace yaml {
2405 template <>
2406 struct MappingTraits<OptionalTest> {
2407 static void mapping(IO& IO, OptionalTest &OT) {
2408 IO.mapOptional("Numbers", OT.Numbers);
2409 IO.mapOptional("MaybeNumber", OT.MaybeNumber);
2410 }
2411 };
2412
2413 template <>
2414 struct MappingTraits<OptionalTestSeq> {
2415 static void mapping(IO &IO, OptionalTestSeq &OTS) {
2416 IO.mapOptional("Tests", OTS.Tests);
2417 }
2418 };
2419 }
2420 }
2421
2422 TEST(YAMLIO, SequenceElideTest) {
2423 // Test that writing out a purely optional structure with its fields set to
2424 // default followed by other data is properly read back in.
2425 OptionalTestSeq Seq;
2426 OptionalTest One, Two, Three, Four;
2427 int N[] = {1, 2, 3};
2428 Three.Numbers.assign(N, N + 3);
2429 Seq.Tests.push_back(One);
2430 Seq.Tests.push_back(Two);
2431 Seq.Tests.push_back(Three);
2432 Seq.Tests.push_back(Four);
2433
2434 std::string intermediate;
2435 {
2436 llvm::raw_string_ostream ostr(intermediate);
2437 Output yout(ostr);
2438 yout << Seq;
2439 }
2440
2441 Input yin(intermediate);
2442 OptionalTestSeq Seq2;
2443 yin >> Seq2;
2444
2445 EXPECT_FALSE(yin.error());
2446
2447 EXPECT_EQ(4UL, Seq2.Tests.size());
2448
2449 EXPECT_TRUE(Seq2.Tests[0].Numbers.empty());
2450 EXPECT_TRUE(Seq2.Tests[1].Numbers.empty());
2451
2452 EXPECT_EQ(1, Seq2.Tests[2].Numbers[0]);
2453 EXPECT_EQ(2, Seq2.Tests[2].Numbers[1]);
2454 EXPECT_EQ(3, Seq2.Tests[2].Numbers[2]);
2455
2456 EXPECT_TRUE(Seq2.Tests[3].Numbers.empty());
2457 }
2458
2459 TEST(YAMLIO, TestEmptyStringFailsForMapWithRequiredFields) {
2460 FooBar doc;
2461 Input yin("");
2462 yin >> doc;
2463 EXPECT_TRUE(!!yin.error());
2464 }
2465
2466 TEST(YAMLIO, TestEmptyStringSucceedsForMapWithOptionalFields) {
2467 OptionalTest doc;
2468 Input yin("");
2469 yin >> doc;
2470 EXPECT_FALSE(yin.error());
2471 EXPECT_FALSE(doc.MaybeNumber.has_value());
2472 }
2473
2474 TEST(YAMLIO, TestEmptyStringSucceedsForSequence) {
2475 std::vector<uint8_t> seq;
2476 Input yin("", /*Ctxt=*/nullptr, suppressErrorMessages);
2477 yin >> seq;
2478
2479 EXPECT_FALSE(yin.error());
2480 EXPECT_TRUE(seq.empty());
2481 }
2482
2483 struct FlowMap {
2484 llvm::StringRef str1, str2, str3;
2485 FlowMap(llvm::StringRef str1, llvm::StringRef str2, llvm::StringRef str3)
2486 : str1(str1), str2(str2), str3(str3) {}
2487 };
2488
2489 struct FlowSeq {
2490 llvm::StringRef str;
2491 FlowSeq(llvm::StringRef S) : str(S) {}
2492 FlowSeq() = default;
2493 };
2494
2495 namespace llvm {
2496 namespace yaml {
2497 template <>
2498 struct MappingTraits<FlowMap> {
2499 static void mapping(IO &io, FlowMap &fm) {
2500 io.mapRequired("str1", fm.str1);
2501 io.mapRequired("str2", fm.str2);
2502 io.mapRequired("str3", fm.str3);
2503 }
2504
2505 static const bool flow = true;
2506 };
2507
2508 template <>
2509 struct ScalarTraits<FlowSeq> {
2510 static void output(const FlowSeq &value, void*, llvm::raw_ostream &out) {
2511 out << value.str;
2512 }
2513 static StringRef input(StringRef scalar, void*, FlowSeq &value) {
2514 value.str = scalar;
2515 return "";
2516 }
2517
2518 static QuotingType mustQuote(StringRef S) { return QuotingType::None; }
2519 };
2520 }
2521 }
2522
2523 LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(FlowSeq)
2524
2525 TEST(YAMLIO, TestWrapFlow) {
2526 std::string out;
2527 llvm::raw_string_ostream ostr(out);
2528 FlowMap Map("This is str1", "This is str2", "This is str3");
2529 std::vector<FlowSeq> Seq;
2530 Seq.emplace_back("This is str1");
2531 Seq.emplace_back("This is str2");
2532 Seq.emplace_back("This is str3");
2533
2534 {
2535 // 20 is just bellow the total length of the first mapping field.
2536 // We should wreap at every element.
2537 Output yout(ostr, nullptr, 15);
2538
2539 yout << Map;
2540 ostr.flush();
2541 EXPECT_EQ(out,
2542 "---\n"
2543 "{ str1: This is str1, \n"
2544 " str2: This is str2, \n"
2545 " str3: This is str3 }\n"
2546 "...\n");
2547 out.clear();
2548
2549 yout << Seq;
2550 ostr.flush();
2551 EXPECT_EQ(out,
2552 "---\n"
2553 "[ This is str1, \n"
2554 " This is str2, \n"
2555 " This is str3 ]\n"
2556 "...\n");
2557 out.clear();
2558 }
2559 {
2560 // 25 will allow the second field to be output on the first line.
2561 Output yout(ostr, nullptr, 25);
2562
2563 yout << Map;
2564 ostr.flush();
2565 EXPECT_EQ(out,
2566 "---\n"
2567 "{ str1: This is str1, str2: This is str2, \n"
2568 " str3: This is str3 }\n"
2569 "...\n");
2570 out.clear();
2571
2572 yout << Seq;
2573 ostr.flush();
2574 EXPECT_EQ(out,
2575 "---\n"
2576 "[ This is str1, This is str2, \n"
2577 " This is str3 ]\n"
2578 "...\n");
2579 out.clear();
2580 }
2581 {
2582 // 0 means no wrapping.
2583 Output yout(ostr, nullptr, 0);
2584
2585 yout << Map;
2586 ostr.flush();
2587 EXPECT_EQ(out,
2588 "---\n"
2589 "{ str1: This is str1, str2: This is str2, str3: This is str3 }\n"
2590 "...\n");
2591 out.clear();
2592
2593 yout << Seq;
2594 ostr.flush();
2595 EXPECT_EQ(out,
2596 "---\n"
2597 "[ This is str1, This is str2, This is str3 ]\n"
2598 "...\n");
2599 out.clear();
2600 }
2601 }
2602
2603 struct MappingContext {
2604 int A = 0;
2605 };
2606 struct SimpleMap {
2607 int B = 0;
2608 int C = 0;
2609 };
2610
2611 struct NestedMap {
2612 NestedMap(MappingContext &Context) : Context(Context) {}
2613 SimpleMap Simple;
2614 MappingContext &Context;
2615 };
2616
2617 namespace llvm {
2618 namespace yaml {
2619 template <> struct MappingContextTraits<SimpleMap, MappingContext> {
2620 static void mapping(IO &io, SimpleMap &sm, MappingContext &Context) {
2621 io.mapRequired("B", sm.B);
2622 io.mapRequired("C", sm.C);
2623 ++Context.A;
2624 io.mapRequired("Context", Context.A);
2625 }
2626 static std::string validate(IO &io, SimpleMap &sm, MappingContext &Context) {
2627 return "";
2628 }
2629 };
2630
2631 template <> struct MappingTraits<NestedMap> {
2632 static void mapping(IO &io, NestedMap &nm) {
2633 io.mapRequired("Simple", nm.Simple, nm.Context);
2634 }
2635 };
2636 }
2637 }
2638
2639 TEST(YAMLIO, TestMapWithContext) {
2640 MappingContext Context;
2641 NestedMap Nested(Context);
2642 std::string out;
2643 llvm::raw_string_ostream ostr(out);
2644
2645 Output yout(ostr, nullptr, 15);
2646
2647 yout << Nested;
2648 ostr.flush();
2649 EXPECT_EQ(1, Context.A);
2650 EXPECT_EQ("---\n"
2651 "Simple:\n"
2652 " B: 0\n"
2653 " C: 0\n"
2654 " Context: 1\n"
2655 "...\n",
2656 out);
2657
2658 out.clear();
2659
2660 Nested.Simple.B = 2;
2661 Nested.Simple.C = 3;
2662 yout << Nested;
2663 ostr.flush();
2664 EXPECT_EQ(2, Context.A);
2665 EXPECT_EQ("---\n"
2666 "Simple:\n"
2667 " B: 2\n"
2668 " C: 3\n"
2669 " Context: 2\n"
2670 "...\n",
2671 out);
2672 out.clear();
2673 }
2674
2675 LLVM_YAML_IS_STRING_MAP(int)
2676
2677 TEST(YAMLIO, TestCustomMapping) {
2678 std::map<std::string, int> x;
2679
2680 std::string out;
2681 llvm::raw_string_ostream ostr(out);
2682 Output xout(ostr, nullptr, 0);
2683
2684 xout << x;
2685 ostr.flush();
2686 EXPECT_EQ("---\n"
2687 "{}\n"
2688 "...\n",
2689 out);
2690
2691 x["foo"] = 1;
2692 x["bar"] = 2;
2693
2694 out.clear();
2695 xout << x;
2696 ostr.flush();
2697 EXPECT_EQ("---\n"
2698 "bar: 2\n"
2699 "foo: 1\n"
2700 "...\n",
2701 out);
2702
2703 Input yin(out);
2704 std::map<std::string, int> y;
2705 yin >> y;
2706 EXPECT_EQ(2ul, y.size());
2707 EXPECT_EQ(1, y["foo"]);
2708 EXPECT_EQ(2, y["bar"]);
2709 }
2710
2711 LLVM_YAML_IS_STRING_MAP(FooBar)
2712
2713 TEST(YAMLIO, TestCustomMappingStruct) {
2714 std::map<std::string, FooBar> x;
2715 x["foo"].foo = 1;
2716 x["foo"].bar = 2;
2717 x["bar"].foo = 3;
2718 x["bar"].bar = 4;
2719
2720 std::string out;
2721 llvm::raw_string_ostream ostr(out);
2722 Output xout(ostr, nullptr, 0);
2723
2724 xout << x;
2725 ostr.flush();
2726 EXPECT_EQ("---\n"
2727 "bar:\n"
2728 " foo: 3\n"
2729 " bar: 4\n"
2730 "foo:\n"
2731 " foo: 1\n"
2732 " bar: 2\n"
2733 "...\n",
2734 out);
2735
2736 Input yin(out);
2737 std::map<std::string, FooBar> y;
2738 yin >> y;
2739 EXPECT_EQ(2ul, y.size());
2740 EXPECT_EQ(1, y["foo"].foo);
2741 EXPECT_EQ(2, y["foo"].bar);
2742 EXPECT_EQ(3, y["bar"].foo);
2743 EXPECT_EQ(4, y["bar"].bar);
2744 }
2745
2746 struct FooBarMapMap {
2747 std::map<std::string, FooBar> fbm;
2748 };
2749
2750 namespace llvm {
2751 namespace yaml {
2752 template <> struct MappingTraits<FooBarMapMap> {
2753 static void mapping(IO &io, FooBarMapMap &x) {
2754 io.mapRequired("fbm", x.fbm);
2755 }
2756 };
2757 }
2758 }
2759
2760 TEST(YAMLIO, TestEmptyMapWrite) {
2761 FooBarMapMap cont;
2762 std::string str;
2763 llvm::raw_string_ostream OS(str);
2764 Output yout(OS);
2765 yout << cont;
2766 EXPECT_EQ(OS.str(), "---\nfbm: {}\n...\n");
2767 }
2768
2769 TEST(YAMLIO, TestEmptySequenceWrite) {
2770 {
2771 FooBarContainer cont;
2772 std::string str;
2773 llvm::raw_string_ostream OS(str);
2774 Output yout(OS);
2775 yout << cont;
2776 EXPECT_EQ(OS.str(), "---\nfbs: []\n...\n");
2777 }
2778
2779 {
2780 FooBarSequence seq;
2781 std::string str;
2782 llvm::raw_string_ostream OS(str);
2783 Output yout(OS);
2784 yout << seq;
2785 EXPECT_EQ(OS.str(), "---\n[]\n...\n");
2786 }
2787 }
2788
2789 static void TestEscaped(llvm::StringRef Input, llvm::StringRef Expected) {
2790 std::string out;
2791 llvm::raw_string_ostream ostr(out);
2792 Output xout(ostr, nullptr, 0);
2793
2794 llvm::yaml::EmptyContext Ctx;
2795 yamlize(xout, Input, true, Ctx);
2796
2797 ostr.flush();
2798
2799 // Make a separate StringRef so we get nice byte-by-byte output.
2800 llvm::StringRef Got(out);
2801 EXPECT_EQ(Expected, Got);
2802 }
2803
2804 TEST(YAMLIO, TestEscaped) {
2805 // Single quote
2806 TestEscaped("@abc@", "'@abc@'");
2807 // No quote
2808 TestEscaped("abc", "abc");
2809 // Forward slash quoted
2810 TestEscaped("abc/", "'abc/'");
2811 // Double quote non-printable
2812 TestEscaped("\01@abc@", "\"\\x01@abc@\"");
2813 // Double quote inside single quote
2814 TestEscaped("abc\"fdf", "'abc\"fdf'");
2815 // Double quote inside double quote
2816 TestEscaped("\01bc\"fdf", "\"\\x01bc\\\"fdf\"");
2817 // Single quote inside single quote
2818 TestEscaped("abc'fdf", "'abc''fdf'");
2819 // UTF8
2820 TestEscaped("/*параметр*/", "\"/*параметр*/\"");
2821 // UTF8 with single quote inside double quote
2822 TestEscaped("parameter 'параметр' is unused",
2823 "\"parameter 'параметр' is unused\"");
2824
2825 // String with embedded non-printable multibyte UTF-8 sequence (U+200B
2826 // zero-width space). The thing to test here is that we emit a
2827 // unicode-scalar level escape like \uNNNN (at the YAML level), and don't
2828 // just pass the UTF-8 byte sequence through as with quoted printables.
2829 {
2830 const unsigned char foobar[10] = {'f', 'o', 'o',
2831 0xE2, 0x80, 0x8B, // UTF-8 of U+200B
2832 'b', 'a', 'r',
2833 0x0};
2834 TestEscaped((char const *)foobar, "\"foo\\u200Bbar\"");
2835 }
2836 }
2837
2838 TEST(YAMLIO, Numeric) {
2839 EXPECT_TRUE(isNumeric(".inf"));
2840 EXPECT_TRUE(isNumeric(".INF"));
2841 EXPECT_TRUE(isNumeric(".Inf"));
2842 EXPECT_TRUE(isNumeric("-.inf"));
2843 EXPECT_TRUE(isNumeric("+.inf"));
2844
2845 EXPECT_TRUE(isNumeric(".nan"));
2846 EXPECT_TRUE(isNumeric(".NaN"));
2847 EXPECT_TRUE(isNumeric(".NAN"));
2848
2849 EXPECT_TRUE(isNumeric("0"));
2850 EXPECT_TRUE(isNumeric("0."));
2851 EXPECT_TRUE(isNumeric("0.0"));
2852 EXPECT_TRUE(isNumeric("-0.0"));
2853 EXPECT_TRUE(isNumeric("+0.0"));
2854
2855 EXPECT_TRUE(isNumeric("12345"));
2856 EXPECT_TRUE(isNumeric("012345"));
2857 EXPECT_TRUE(isNumeric("+12.0"));
2858 EXPECT_TRUE(isNumeric(".5"));
2859 EXPECT_TRUE(isNumeric("+.5"));
2860 EXPECT_TRUE(isNumeric("-1.0"));
2861
2862 EXPECT_TRUE(isNumeric("2.3e4"));
2863 EXPECT_TRUE(isNumeric("-2E+05"));
2864 EXPECT_TRUE(isNumeric("+12e03"));
2865 EXPECT_TRUE(isNumeric("6.8523015e+5"));
2866
2867 EXPECT_TRUE(isNumeric("1.e+1"));
2868 EXPECT_TRUE(isNumeric(".0e+1"));
2869
2870 EXPECT_TRUE(isNumeric("0x2aF3"));
2871 EXPECT_TRUE(isNumeric("0o01234567"));
2872
2873 EXPECT_FALSE(isNumeric("not a number"));
2874 EXPECT_FALSE(isNumeric("."));
2875 EXPECT_FALSE(isNumeric(".e+1"));
2876 EXPECT_FALSE(isNumeric(".1e"));
2877 EXPECT_FALSE(isNumeric(".1e+"));
2878 EXPECT_FALSE(isNumeric(".1e++1"));
2879
2880 EXPECT_FALSE(isNumeric("ABCD"));
2881 EXPECT_FALSE(isNumeric("+0x2AF3"));
2882 EXPECT_FALSE(isNumeric("-0x2AF3"));
2883 EXPECT_FALSE(isNumeric("0x2AF3Z"));
2884 EXPECT_FALSE(isNumeric("0o012345678"));
2885 EXPECT_FALSE(isNumeric("0xZ"));
2886 EXPECT_FALSE(isNumeric("-0o012345678"));
2887 EXPECT_FALSE(isNumeric("000003A8229434B839616A25C16B0291F77A438B"));
2888
2889 EXPECT_FALSE(isNumeric(""));
2890 EXPECT_FALSE(isNumeric("."));
2891 EXPECT_FALSE(isNumeric(".e+1"));
2892 EXPECT_FALSE(isNumeric(".e+"));
2893 EXPECT_FALSE(isNumeric(".e"));
2894 EXPECT_FALSE(isNumeric("e1"));
2895
2896 // Deprecated formats: as for YAML 1.2 specification, the following are not
2897 // valid numbers anymore:
2898 //
2899 // * Sexagecimal numbers
2900 // * Decimal numbers with comma s the delimiter
2901 // * "inf", "nan" without '.' prefix
2902 EXPECT_FALSE(isNumeric("3:25:45"));
2903 EXPECT_FALSE(isNumeric("+12,345"));
2904 EXPECT_FALSE(isNumeric("-inf"));
2905 EXPECT_FALSE(isNumeric("1,230.15"));
2906 }
2907
2908 //===----------------------------------------------------------------------===//
2909 // Test writing and reading escaped keys
2910 //===----------------------------------------------------------------------===//
2911
2912 // Struct with dynamic string key
2913 struct QuotedKeyStruct {
2914 int unquoted_bool;
2915 int unquoted_null;
2916 int unquoted_numeric;
2917 int unquoted_str;
2918 int colon;
2919 int just_space;
2920 int unprintable;
2921 };
2922
2923 namespace llvm {
2924 namespace yaml {
2925 template <> struct MappingTraits<QuotedKeyStruct> {
2926 static void mapping(IO &io, QuotedKeyStruct &map) {
2927 io.mapRequired("true", map.unquoted_bool);
2928 io.mapRequired("null", map.unquoted_null);
2929 io.mapRequired("42", map.unquoted_numeric);
2930 io.mapRequired("unquoted", map.unquoted_str);
2931 io.mapRequired(":", map.colon);
2932 io.mapRequired(" ", map.just_space);
2933 char unprintableKey[] = {/* \f, form-feed */ 0xC, 0};
2934 io.mapRequired(unprintableKey, map.unprintable);
2935 }
2936 };
2937 } // namespace yaml
2938 } // namespace llvm
2939
2940 TEST(YAMLIO, TestQuotedKeyRead) {
2941 QuotedKeyStruct map = {};
2942 Input yin("---\ntrue: 1\nnull: 2\n42: 3\nunquoted: 4\n':': 5\n' ': "
2943 "6\n\"\\f\": 7\n...\n");
2944 yin >> map;
2945
2946 EXPECT_FALSE(yin.error());
2947 EXPECT_EQ(map.unquoted_bool, 1);
2948 EXPECT_EQ(map.unquoted_null, 2);
2949 EXPECT_EQ(map.unquoted_numeric, 3);
2950 EXPECT_EQ(map.unquoted_str, 4);
2951 EXPECT_EQ(map.colon, 5);
2952 EXPECT_EQ(map.just_space, 6);
2953 EXPECT_EQ(map.unprintable, 7);
2954 }
2955
2956 TEST(YAMLIO, TestQuotedKeyWriteRead) {
2957 std::string intermediate;
2958 {
2959 QuotedKeyStruct map = {1, 2, 3, 4, 5, 6, 7};
2960 llvm::raw_string_ostream ostr(intermediate);
2961 Output yout(ostr);
2962 yout << map;
2963 }
2964
2965 EXPECT_NE(std::string::npos, intermediate.find("true:"));
2966 EXPECT_NE(std::string::npos, intermediate.find("null:"));
2967 EXPECT_NE(std::string::npos, intermediate.find("42:"));
2968 EXPECT_NE(std::string::npos, intermediate.find("unquoted:"));
2969 EXPECT_NE(std::string::npos, intermediate.find("':':"));
2970 EXPECT_NE(std::string::npos, intermediate.find("' '"));
2971 EXPECT_NE(std::string::npos, intermediate.find("\"\\f\":"));
2972
2973 {
2974 Input yin(intermediate);
2975 QuotedKeyStruct map;
2976 yin >> map;
2977
2978 EXPECT_FALSE(yin.error());
2979 EXPECT_EQ(map.unquoted_bool, 1);
2980 EXPECT_EQ(map.unquoted_null, 2);
2981 EXPECT_EQ(map.unquoted_numeric, 3);
2982 EXPECT_EQ(map.unquoted_str, 4);
2983 EXPECT_EQ(map.colon, 5);
2984 EXPECT_EQ(map.just_space, 6);
2985 EXPECT_EQ(map.unprintable, 7);
2986 }
2987 }
2988
2989 //===----------------------------------------------------------------------===//
2990 // Test PolymorphicTraits and TaggedScalarTraits
2991 //===----------------------------------------------------------------------===//
2992
2993 struct Poly {
2994 enum NodeKind {
2995 NK_Scalar,
2996 NK_Seq,
2997 NK_Map,
2998 } Kind;
2999
3000 Poly(NodeKind Kind) : Kind(Kind) {}
3001
3002 virtual ~Poly() = default;
3003
3004 NodeKind getKind() const { return Kind; }
3005 };
3006
3007 struct Scalar : Poly {
3008 enum ScalarKind {
3009 SK_Unknown,
3010 SK_Double,
3011 SK_Bool,
3012 } SKind;
3013
3014 union {
3015 double DoubleValue;
3016 bool BoolValue;
3017 };
3018
3019 Scalar() : Poly(NK_Scalar), SKind(SK_Unknown) {}
3020 Scalar(double DoubleValue)
3021 : Poly(NK_Scalar), SKind(SK_Double), DoubleValue(DoubleValue) {}
3022 Scalar(bool BoolValue)
3023 : Poly(NK_Scalar), SKind(SK_Bool), BoolValue(BoolValue) {}
3024
3025 static bool classof(const Poly *N) { return N->getKind() == NK_Scalar; }
3026 };
3027
3028 struct Seq : Poly, std::vector<std::unique_ptr<Poly>> {
3029 Seq() : Poly(NK_Seq) {}
3030
3031 static bool classof(const Poly *N) { return N->getKind() == NK_Seq; }
3032 };
3033
3034 struct Map : Poly, llvm::StringMap<std::unique_ptr<Poly>> {
3035 Map() : Poly(NK_Map) {}
3036
3037 static bool classof(const Poly *N) { return N->getKind() == NK_Map; }
3038 };
3039
3040 namespace llvm {
3041 namespace yaml {
3042
3043 template <> struct PolymorphicTraits<std::unique_ptr<Poly>> {
3044 static NodeKind getKind(const std::unique_ptr<Poly> &N) {
3045 if (isa<Scalar>(*N))
3046 return NodeKind::Scalar;
3047 if (isa<Seq>(*N))
3048 return NodeKind::Sequence;
3049 if (isa<Map>(*N))
3050 return NodeKind::Map;
3051 llvm_unreachable("unsupported node type");
3052 }
3053
3054 static Scalar &getAsScalar(std::unique_ptr<Poly> &N) {
3055 if (!N || !isa<Scalar>(*N))
3056 N = std::make_unique<Scalar>();
3057 return *cast<Scalar>(N.get());
3058 }
3059
3060 static Seq &getAsSequence(std::unique_ptr<Poly> &N) {
3061 if (!N || !isa<Seq>(*N))
3062 N = std::make_unique<Seq>();
3063 return *cast<Seq>(N.get());
3064 }
3065
3066 static Map &getAsMap(std::unique_ptr<Poly> &N) {
3067 if (!N || !isa<Map>(*N))
3068 N = std::make_unique<Map>();
3069 return *cast<Map>(N.get());
3070 }
3071 };
3072
3073 template <> struct TaggedScalarTraits<Scalar> {
3074 static void output(const Scalar &S, void *Ctxt, raw_ostream &ScalarOS,
3075 raw_ostream &TagOS) {
3076 switch (S.SKind) {
3077 case Scalar::SK_Unknown:
3078 report_fatal_error("output unknown scalar");
3079 break;
3080 case Scalar::SK_Double:
3081 TagOS << "!double";
3082 ScalarTraits<double>::output(S.DoubleValue, Ctxt, ScalarOS);
3083 break;
3084 case Scalar::SK_Bool:
3085 TagOS << "!bool";
3086 ScalarTraits<bool>::output(S.BoolValue, Ctxt, ScalarOS);
3087 break;
3088 }
3089 }
3090
3091 static StringRef input(StringRef ScalarStr, StringRef Tag, void *Ctxt,
3092 Scalar &S) {
3093 S.SKind = StringSwitch<Scalar::ScalarKind>(Tag)
3094 .Case("!double", Scalar::SK_Double)
3095 .Case("!bool", Scalar::SK_Bool)
3096 .Default(Scalar::SK_Unknown);
3097 switch (S.SKind) {
3098 case Scalar::SK_Unknown:
3099 return StringRef("unknown scalar tag");
3100 case Scalar::SK_Double:
3101 return ScalarTraits<double>::input(ScalarStr, Ctxt, S.DoubleValue);
3102 case Scalar::SK_Bool:
3103 return ScalarTraits<bool>::input(ScalarStr, Ctxt, S.BoolValue);
3104 }
3105 llvm_unreachable("unknown scalar kind");
3106 }
3107
3108 static QuotingType mustQuote(const Scalar &S, StringRef Str) {
3109 switch (S.SKind) {
3110 case Scalar::SK_Unknown:
3111 report_fatal_error("quote unknown scalar");
3112 case Scalar::SK_Double:
3113 return ScalarTraits<double>::mustQuote(Str);
3114 case Scalar::SK_Bool:
3115 return ScalarTraits<bool>::mustQuote(Str);
3116 }
3117 llvm_unreachable("unknown scalar kind");
3118 }
3119 };
3120
3121 template <> struct CustomMappingTraits<Map> {
3122 static void inputOne(IO &IO, StringRef Key, Map &M) {
3123 IO.mapRequired(Key.str().c_str(), M[Key]);
3124 }
3125
3126 static void output(IO &IO, Map &M) {
3127 for (auto &N : M)
3128 IO.mapRequired(N.getKey().str().c_str(), N.getValue());
3129 }
3130 };
3131
3132 template <> struct SequenceTraits<Seq> {
3133 static size_t size(IO &IO, Seq &A) { return A.size(); }
3134
3135 static std::unique_ptr<Poly> &element(IO &IO, Seq &A, size_t Index) {
3136 if (Index >= A.size())
3137 A.resize(Index + 1);
3138 return A[Index];
3139 }
3140 };
3141
3142 } // namespace yaml
3143 } // namespace llvm
3144
3145 TEST(YAMLIO, TestReadWritePolymorphicScalar) {
3146 std::string intermediate;
3147 std::unique_ptr<Poly> node = std::make_unique<Scalar>(true);
3148
3149 llvm::raw_string_ostream ostr(intermediate);
3150 Output yout(ostr);
3151 #ifdef GTEST_HAS_DEATH_TEST
3152 #ifndef NDEBUG
3153 EXPECT_DEATH(yout << node, "plain scalar documents are not supported");
3154 #endif
3155 #endif
3156 }
3157
3158 TEST(YAMLIO, TestReadWritePolymorphicSeq) {
3159 std::string intermediate;
3160 {
3161 auto seq = std::make_unique<Seq>();
3162 seq->push_back(std::make_unique<Scalar>(true));
3163 seq->push_back(std::make_unique<Scalar>(1.0));
3164 auto node = llvm::unique_dyn_cast<Poly>(seq);
3165
3166 llvm::raw_string_ostream ostr(intermediate);
3167 Output yout(ostr);
3168 yout << node;
3169 }
3170 {
3171 Input yin(intermediate);
3172 std::unique_ptr<Poly> node;
3173 yin >> node;
3174
3175 EXPECT_FALSE(yin.error());
3176 auto seq = llvm::dyn_cast<Seq>(node.get());
3177 ASSERT_TRUE(seq);
3178 ASSERT_EQ(seq->size(), 2u);
3179 auto first = llvm::dyn_cast<Scalar>((*seq)[0].get());
3180 ASSERT_TRUE(first);
3181 EXPECT_EQ(first->SKind, Scalar::SK_Bool);
3182 EXPECT_TRUE(first->BoolValue);
3183 auto second = llvm::dyn_cast<Scalar>((*seq)[1].get());
3184 ASSERT_TRUE(second);
3185 EXPECT_EQ(second->SKind, Scalar::SK_Double);
3186 EXPECT_EQ(second->DoubleValue, 1.0);
3187 }
3188 }
3189
3190 TEST(YAMLIO, TestReadWritePolymorphicMap) {
3191 std::string intermediate;
3192 {
3193 auto map = std::make_unique<Map>();
3194 (*map)["foo"] = std::make_unique<Scalar>(false);
3195 (*map)["bar"] = std::make_unique<Scalar>(2.0);
3196 std::unique_ptr<Poly> node = llvm::unique_dyn_cast<Poly>(map);
3197
3198 llvm::raw_string_ostream ostr(intermediate);
3199 Output yout(ostr);
3200 yout << node;
3201 }
3202 {
3203 Input yin(intermediate);
3204 std::unique_ptr<Poly> node;
3205 yin >> node;
3206
3207 EXPECT_FALSE(yin.error());
3208 auto map = llvm::dyn_cast<Map>(node.get());
3209 ASSERT_TRUE(map);
3210 auto foo = llvm::dyn_cast<Scalar>((*map)["foo"].get());
3211 ASSERT_TRUE(foo);
3212 EXPECT_EQ(foo->SKind, Scalar::SK_Bool);
3213 EXPECT_FALSE(foo->BoolValue);
3214 auto bar = llvm::dyn_cast<Scalar>((*map)["bar"].get());
3215 ASSERT_TRUE(bar);
3216 EXPECT_EQ(bar->SKind, Scalar::SK_Double);
3217 EXPECT_EQ(bar->DoubleValue, 2.0);
3218 }
3219 }
3220
3221 TEST(YAMLIO, TestAnchorMapError) {
3222 Input yin("& & &: ");
3223 yin.setCurrentDocument();
3224 EXPECT_TRUE(yin.error());
3225 }
3226
3227 TEST(YAMLIO, TestFlowSequenceTokenErrors) {
3228 Input yin(",");
3229 EXPECT_FALSE(yin.setCurrentDocument());
3230 EXPECT_TRUE(yin.error());
3231
3232 Input yin2("]");
3233 EXPECT_FALSE(yin2.setCurrentDocument());
3234 EXPECT_TRUE(yin2.error());
3235
3236 Input yin3("}");
3237 EXPECT_FALSE(yin3.setCurrentDocument());
3238 EXPECT_TRUE(yin3.error());
3239 }
3240
3241 TEST(YAMLIO, TestDirectiveMappingNoValue) {
3242 Input yin("%YAML\n{5:");
3243 yin.setCurrentDocument();
3244 EXPECT_TRUE(yin.error());
3245
3246 Input yin2("%TAG\n'\x98!< :\n");
3247 yin2.setCurrentDocument();
3248 EXPECT_TRUE(yin2.error());
3249 }
3250
3251 TEST(YAMLIO, TestUnescapeInfiniteLoop) {
3252 Input yin("\"\\u\\^#\\\\\"");
3253 yin.setCurrentDocument();
3254 EXPECT_TRUE(yin.error());
3255 }
3256
3257 TEST(YAMLIO, TestScannerUnexpectedCharacter) {
3258 Input yin("!<$\x9F.");
3259 EXPECT_FALSE(yin.setCurrentDocument());
3260 EXPECT_TRUE(yin.error());
3261 }
3262
3263 TEST(YAMLIO, TestUnknownDirective) {
3264 Input yin("%");
3265 EXPECT_FALSE(yin.setCurrentDocument());
3266 EXPECT_TRUE(yin.error());
3267
3268 Input yin2("%)");
3269 EXPECT_FALSE(yin2.setCurrentDocument());
3270 EXPECT_TRUE(yin2.error());
3271 }
3272
3273 TEST(YAMLIO, TestEmptyAlias) {
3274 Input yin("&");
3275 EXPECT_FALSE(yin.setCurrentDocument());
3276 EXPECT_TRUE(yin.error());
3277 }
3278
3279 TEST(YAMLIO, TestEmptyAnchor) {
3280 Input yin("*");
3281 EXPECT_FALSE(yin.setCurrentDocument());
3282 }
3283
3284 TEST(YAMLIO, TestScannerNoNullEmpty) {
3285 std::vector<char> str{};
3286 Input yin(llvm::StringRef(str.data(), str.size()));
3287 yin.setCurrentDocument();
3288 EXPECT_FALSE(yin.error());
3289 }
3290
3291 TEST(YAMLIO, TestScannerNoNullSequenceOfNull) {
3292 std::vector<char> str{'-'};
3293 Input yin(llvm::StringRef(str.data(), str.size()));
3294 yin.setCurrentDocument();
3295 EXPECT_FALSE(yin.error());
3296 }
3297
3298 TEST(YAMLIO, TestScannerNoNullSimpleSequence) {
3299 std::vector<char> str{'-', ' ', 'a'};
3300 Input yin(llvm::StringRef(str.data(), str.size()));
3301 yin.setCurrentDocument();
3302 EXPECT_FALSE(yin.error());
3303 }
3304
3305 TEST(YAMLIO, TestScannerNoNullUnbalancedMap) {
3306 std::vector<char> str{'{'};
3307 Input yin(llvm::StringRef(str.data(), str.size()));
3308 yin.setCurrentDocument();
3309 EXPECT_TRUE(yin.error());
3310 }
3311
3312 TEST(YAMLIO, TestScannerNoNullEmptyMap) {
3313 std::vector<char> str{'{', '}'};
3314 Input yin(llvm::StringRef(str.data(), str.size()));
3315 yin.setCurrentDocument();
3316 EXPECT_FALSE(yin.error());
3317 }
3318
3319 TEST(YAMLIO, TestScannerNoNullUnbalancedSequence) {
3320 std::vector<char> str{'['};
3321 Input yin(llvm::StringRef(str.data(), str.size()));
3322 yin.setCurrentDocument();
3323 EXPECT_TRUE(yin.error());
3324 }
3325
3326 TEST(YAMLIO, TestScannerNoNullEmptySequence) {
3327 std::vector<char> str{'[', ']'};
3328 Input yin(llvm::StringRef(str.data(), str.size()));
3329 yin.setCurrentDocument();
3330 EXPECT_FALSE(yin.error());
3331 }
3332
3333 TEST(YAMLIO, TestScannerNoNullScalarUnbalancedDoubleQuote) {
3334 std::vector<char> str{'"'};
3335 Input yin(llvm::StringRef(str.data(), str.size()));
3336 yin.setCurrentDocument();
3337 EXPECT_TRUE(yin.error());
3338 }
3339
3340 TEST(YAMLIO, TestScannerNoNullScalarUnbalancedSingleQuote) {
3341 std::vector<char> str{'\''};
3342 Input yin(llvm::StringRef(str.data(), str.size()));
3343 yin.setCurrentDocument();
3344 EXPECT_TRUE(yin.error());
3345 }
3346
3347 TEST(YAMLIO, TestScannerNoNullEmptyAlias) {
3348 std::vector<char> str{'&'};
3349 Input yin(llvm::StringRef(str.data(), str.size()));
3350 yin.setCurrentDocument();
3351 EXPECT_TRUE(yin.error());
3352 }
3353
3354 TEST(YAMLIO, TestScannerNoNullEmptyAnchor) {
3355 std::vector<char> str{'*'};
3356 Input yin(llvm::StringRef(str.data(), str.size()));
3357 yin.setCurrentDocument();
3358 EXPECT_TRUE(yin.error());
3359 }
3360
3361 TEST(YAMLIO, TestScannerNoNullDecodeInvalidUTF8) {
3362 std::vector<char> str{'\xef'};
3363 Input yin(llvm::StringRef(str.data(), str.size()));
3364 yin.setCurrentDocument();
3365 EXPECT_TRUE(yin.error());
3366 }
3367
3368 TEST(YAMLIO, TestScannerNoNullScanPlainScalarInFlow) {
3369 std::vector<char> str{'{', 'a', ':'};
3370 Input yin(llvm::StringRef(str.data(), str.size()));
3371 yin.setCurrentDocument();
3372 EXPECT_TRUE(yin.error());
3373 }
3374
3375 struct FixedArray {
3376 FixedArray() {
3377 // Initialize to int max as a sentinel value.
3378 for (auto &v : values)
3379 v = std::numeric_limits<int>::max();
3380 }
3381 int values[4];
3382 };
3383
3384 namespace llvm {
3385 namespace yaml {
3386 template <>
3387 struct MappingTraits<FixedArray> {
3388 static void mapping(IO &io, FixedArray& st) {
3389 MutableArrayRef<int> array = st.values;
3390 io.mapRequired("Values", array);
3391 }
3392 };
3393 }
3394 }
3395
3396 TEST(YAMLIO, FixedSizeArray) {
3397 FixedArray faval;
3398 Input yin("---\nValues: [ 1, 2, 3, 4 ]\n...\n");
3399 yin >> faval;
3400
3401 EXPECT_FALSE(yin.error());
3402 EXPECT_EQ(faval.values[0], 1);
3403 EXPECT_EQ(faval.values[1], 2);
3404 EXPECT_EQ(faval.values[2], 3);
3405 EXPECT_EQ(faval.values[3], 4);
3406
3407 std::string serialized;
3408 {
3409 llvm::raw_string_ostream os(serialized);
3410 Output yout(os);
3411 yout << faval;
3412 }
3413 auto expected = "---\n"
3414 "Values: [ 1, 2, 3, 4 ]\n"
3415 "...\n";
3416 ASSERT_EQ(serialized, expected);
3417 }
3418
3419 TEST(YAMLIO, FixedSizeArrayMismatch) {
3420 {
3421 FixedArray faval;
3422 Input yin("---\nValues: [ 1, 2, 3 ]\n...\n");
3423 yin >> faval;
3424
3425 // No error for too small, leaves the default initialized value
3426 EXPECT_FALSE(yin.error());
3427 EXPECT_EQ(faval.values[0], 1);
3428 EXPECT_EQ(faval.values[1], 2);
3429 EXPECT_EQ(faval.values[2], 3);
3430 EXPECT_EQ(faval.values[3], std::numeric_limits<int>::max());
3431 }
3432
3433 {
3434 FixedArray faval;
3435 Input yin("---\nValues: [ 1, 2, 3, 4, 5 ]\n...\n");
3436 yin >> faval;
3437
3438 // Error for too many elements.
3439 EXPECT_TRUE(!!yin.error());
3440 }
3441
3442 }
LLVM monorepo