[ARM] Remove declaration of unimplemented function. NFC.
[llvm-complete.git] / unittests / Support / SourceMgrTest.cpp
bloba3079a403a10acb413a6af5a3ee7a49812ef1b71
1 //===- unittests/Support/SourceMgrTest.cpp - SourceMgr tests --------------===//
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 //===----------------------------------------------------------------------===//
9 #include "llvm/Support/SourceMgr.h"
10 #include "llvm/Support/MemoryBuffer.h"
11 #include "llvm/Support/raw_ostream.h"
12 #include "gtest/gtest.h"
14 using namespace llvm;
16 namespace {
18 class SourceMgrTest : public testing::Test {
19 public:
20 SourceMgr SM;
21 unsigned MainBufferID;
22 std::string Output;
24 void setMainBuffer(StringRef Text, StringRef BufferName) {
25 std::unique_ptr<MemoryBuffer> MainBuffer =
26 MemoryBuffer::getMemBuffer(Text, BufferName);
27 MainBufferID = SM.AddNewSourceBuffer(std::move(MainBuffer), llvm::SMLoc());
30 SMLoc getLoc(unsigned Offset) {
31 return SMLoc::getFromPointer(
32 SM.getMemoryBuffer(MainBufferID)->getBufferStart() + Offset);
35 SMRange getRange(unsigned Offset, unsigned Length) {
36 return SMRange(getLoc(Offset), getLoc(Offset + Length));
39 void printMessage(SMLoc Loc, SourceMgr::DiagKind Kind,
40 const Twine &Msg, ArrayRef<SMRange> Ranges,
41 ArrayRef<SMFixIt> FixIts) {
42 raw_string_ostream OS(Output);
43 SM.PrintMessage(OS, Loc, Kind, Msg, Ranges, FixIts);
47 } // unnamed namespace
49 TEST_F(SourceMgrTest, BasicError) {
50 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
51 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
53 EXPECT_EQ("file.in:1:5: error: message\n"
54 "aaa bbb\n"
55 " ^\n",
56 Output);
59 TEST_F(SourceMgrTest, BasicWarning) {
60 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
61 printMessage(getLoc(4), SourceMgr::DK_Warning, "message", None, None);
63 EXPECT_EQ("file.in:1:5: warning: message\n"
64 "aaa bbb\n"
65 " ^\n",
66 Output);
69 TEST_F(SourceMgrTest, BasicRemark) {
70 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
71 printMessage(getLoc(4), SourceMgr::DK_Remark, "message", None, None);
73 EXPECT_EQ("file.in:1:5: remark: message\n"
74 "aaa bbb\n"
75 " ^\n",
76 Output);
79 TEST_F(SourceMgrTest, BasicNote) {
80 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
81 printMessage(getLoc(4), SourceMgr::DK_Note, "message", None, None);
83 EXPECT_EQ("file.in:1:5: note: message\n"
84 "aaa bbb\n"
85 " ^\n",
86 Output);
89 TEST_F(SourceMgrTest, LocationAtEndOfLine) {
90 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
91 printMessage(getLoc(6), SourceMgr::DK_Error, "message", None, None);
93 EXPECT_EQ("file.in:1:7: error: message\n"
94 "aaa bbb\n"
95 " ^\n",
96 Output);
99 TEST_F(SourceMgrTest, LocationAtNewline) {
100 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
101 printMessage(getLoc(7), SourceMgr::DK_Error, "message", None, None);
103 EXPECT_EQ("file.in:1:8: error: message\n"
104 "aaa bbb\n"
105 " ^\n",
106 Output);
109 TEST_F(SourceMgrTest, LocationAtEmptyBuffer) {
110 setMainBuffer("", "file.in");
111 printMessage(getLoc(0), SourceMgr::DK_Error, "message", None, None);
113 EXPECT_EQ("file.in:1:1: error: message\n"
114 "\n"
115 "^\n",
116 Output);
119 TEST_F(SourceMgrTest, LocationJustOnSoleNewline) {
120 setMainBuffer("\n", "file.in");
121 printMessage(getLoc(0), SourceMgr::DK_Error, "message", None, None);
123 EXPECT_EQ("file.in:1:1: error: message\n"
124 "\n"
125 "^\n",
126 Output);
129 TEST_F(SourceMgrTest, LocationJustAfterSoleNewline) {
130 setMainBuffer("\n", "file.in");
131 printMessage(getLoc(1), SourceMgr::DK_Error, "message", None, None);
133 EXPECT_EQ("file.in:2:1: error: message\n"
134 "\n"
135 "^\n",
136 Output);
139 TEST_F(SourceMgrTest, LocationJustAfterNonNewline) {
140 setMainBuffer("123", "file.in");
141 printMessage(getLoc(3), SourceMgr::DK_Error, "message", None, None);
143 EXPECT_EQ("file.in:1:4: error: message\n"
144 "123\n"
145 " ^\n",
146 Output);
149 TEST_F(SourceMgrTest, LocationOnFirstLineOfMultiline) {
150 setMainBuffer("1234\n6789\n", "file.in");
151 printMessage(getLoc(3), SourceMgr::DK_Error, "message", None, None);
153 EXPECT_EQ("file.in:1:4: error: message\n"
154 "1234\n"
155 " ^\n",
156 Output);
159 TEST_F(SourceMgrTest, LocationOnEOLOfFirstLineOfMultiline) {
160 setMainBuffer("1234\n6789\n", "file.in");
161 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
163 EXPECT_EQ("file.in:1:5: error: message\n"
164 "1234\n"
165 " ^\n",
166 Output);
169 TEST_F(SourceMgrTest, LocationOnSecondLineOfMultiline) {
170 setMainBuffer("1234\n6789\n", "file.in");
171 printMessage(getLoc(5), SourceMgr::DK_Error, "message", None, None);
173 EXPECT_EQ("file.in:2:1: error: message\n"
174 "6789\n"
175 "^\n",
176 Output);
179 TEST_F(SourceMgrTest, LocationOnSecondLineOfMultilineNoSecondEOL) {
180 setMainBuffer("1234\n6789", "file.in");
181 printMessage(getLoc(5), SourceMgr::DK_Error, "message", None, None);
183 EXPECT_EQ("file.in:2:1: error: message\n"
184 "6789\n"
185 "^\n",
186 Output);
189 TEST_F(SourceMgrTest, LocationOnEOLOfSecondSecondLineOfMultiline) {
190 setMainBuffer("1234\n6789\n", "file.in");
191 printMessage(getLoc(9), SourceMgr::DK_Error, "message", None, None);
193 EXPECT_EQ("file.in:2:5: error: message\n"
194 "6789\n"
195 " ^\n",
196 Output);
199 #define STRING_LITERAL_253_BYTES \
200 "1234567890\n1234567890\n" \
201 "1234567890\n1234567890\n" \
202 "1234567890\n1234567890\n" \
203 "1234567890\n1234567890\n" \
204 "1234567890\n1234567890\n" \
205 "1234567890\n1234567890\n" \
206 "1234567890\n1234567890\n" \
207 "1234567890\n1234567890\n" \
208 "1234567890\n1234567890\n" \
209 "1234567890\n1234567890\n" \
210 "1234567890\n1234567890\n" \
211 "1234567890\n"
213 //===----------------------------------------------------------------------===//
214 // 255-byte buffer tests
215 //===----------------------------------------------------------------------===//
217 TEST_F(SourceMgrTest, LocationBeforeEndOf255ByteBuffer) {
218 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
219 "12" // + 2 = 255 bytes
220 , "file.in");
221 printMessage(getLoc(253), SourceMgr::DK_Error, "message", None, None);
222 EXPECT_EQ("file.in:24:1: error: message\n"
223 "12\n"
224 "^\n",
225 Output);
228 TEST_F(SourceMgrTest, LocationAtEndOf255ByteBuffer) {
229 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
230 "12" // + 2 = 255 bytes
231 , "file.in");
232 printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
233 EXPECT_EQ("file.in:24:2: error: message\n"
234 "12\n"
235 " ^\n",
236 Output);
239 TEST_F(SourceMgrTest, LocationPastEndOf255ByteBuffer) {
240 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
241 "12" // + 2 = 255 bytes
242 , "file.in");
243 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
244 EXPECT_EQ("file.in:24:3: error: message\n"
245 "12\n"
246 " ^\n",
247 Output);
250 TEST_F(SourceMgrTest, LocationBeforeEndOf255ByteBufferEndingInNewline) {
251 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
252 "1\n" // + 2 = 255 bytes
253 , "file.in");
254 printMessage(getLoc(253), SourceMgr::DK_Error, "message", None, None);
255 EXPECT_EQ("file.in:24:1: error: message\n"
256 "1\n"
257 "^\n",
258 Output);
261 TEST_F(SourceMgrTest, LocationAtEndOf255ByteBufferEndingInNewline) {
262 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
263 "1\n" // + 2 = 255 bytes
264 , "file.in");
265 printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
266 EXPECT_EQ("file.in:24:2: error: message\n"
267 "1\n"
268 " ^\n",
269 Output);
272 TEST_F(SourceMgrTest, LocationPastEndOf255ByteBufferEndingInNewline) {
273 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
274 "1\n" // + 2 = 255 bytes
275 , "file.in");
276 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
277 EXPECT_EQ("file.in:25:1: error: message\n"
278 "\n"
279 "^\n",
280 Output);
283 //===----------------------------------------------------------------------===//
284 // 256-byte buffer tests
285 //===----------------------------------------------------------------------===//
287 TEST_F(SourceMgrTest, LocationBeforeEndOf256ByteBuffer) {
288 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
289 "123" // + 3 = 256 bytes
290 , "file.in");
291 printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
292 EXPECT_EQ("file.in:24:2: error: message\n"
293 "123\n"
294 " ^\n",
295 Output);
298 TEST_F(SourceMgrTest, LocationAtEndOf256ByteBuffer) {
299 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
300 "123" // + 3 = 256 bytes
301 , "file.in");
302 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
303 EXPECT_EQ("file.in:24:3: error: message\n"
304 "123\n"
305 " ^\n",
306 Output);
309 TEST_F(SourceMgrTest, LocationPastEndOf256ByteBuffer) {
310 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
311 "123" // + 3 = 256 bytes
312 , "file.in");
313 printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
314 EXPECT_EQ("file.in:24:4: error: message\n"
315 "123\n"
316 " ^\n",
317 Output);
320 TEST_F(SourceMgrTest, LocationBeforeEndOf256ByteBufferEndingInNewline) {
321 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
322 "12\n" // + 3 = 256 bytes
323 , "file.in");
324 printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
325 EXPECT_EQ("file.in:24:2: error: message\n"
326 "12\n"
327 " ^\n",
328 Output);
331 TEST_F(SourceMgrTest, LocationAtEndOf256ByteBufferEndingInNewline) {
332 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
333 "12\n" // + 3 = 256 bytes
334 , "file.in");
335 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
336 EXPECT_EQ("file.in:24:3: error: message\n"
337 "12\n"
338 " ^\n",
339 Output);
342 TEST_F(SourceMgrTest, LocationPastEndOf256ByteBufferEndingInNewline) {
343 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
344 "12\n" // + 3 = 256 bytes
345 , "file.in");
346 printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
347 EXPECT_EQ("file.in:25:1: error: message\n"
348 "\n"
349 "^\n",
350 Output);
353 //===----------------------------------------------------------------------===//
354 // 257-byte buffer tests
355 //===----------------------------------------------------------------------===//
357 TEST_F(SourceMgrTest, LocationBeforeEndOf257ByteBuffer) {
358 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
359 "1234" // + 4 = 257 bytes
360 , "file.in");
361 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
362 EXPECT_EQ("file.in:24:3: error: message\n"
363 "1234\n"
364 " ^\n",
365 Output);
368 TEST_F(SourceMgrTest, LocationAtEndOf257ByteBuffer) {
369 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
370 "1234" // + 4 = 257 bytes
371 , "file.in");
372 printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
373 EXPECT_EQ("file.in:24:4: error: message\n"
374 "1234\n"
375 " ^\n",
376 Output);
379 TEST_F(SourceMgrTest, LocationPastEndOf257ByteBuffer) {
380 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
381 "1234" // + 4 = 257 bytes
382 , "file.in");
383 printMessage(getLoc(257), SourceMgr::DK_Error, "message", None, None);
384 EXPECT_EQ("file.in:24:5: error: message\n"
385 "1234\n"
386 " ^\n",
387 Output);
390 TEST_F(SourceMgrTest, LocationBeforeEndOf257ByteBufferEndingInNewline) {
391 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
392 "123\n" // + 4 = 257 bytes
393 , "file.in");
394 printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
395 EXPECT_EQ("file.in:24:3: error: message\n"
396 "123\n"
397 " ^\n",
398 Output);
401 TEST_F(SourceMgrTest, LocationAtEndOf257ByteBufferEndingInNewline) {
402 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
403 "123\n" // + 4 = 257 bytes
404 , "file.in");
405 printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
406 EXPECT_EQ("file.in:24:4: error: message\n"
407 "123\n"
408 " ^\n",
409 Output);
412 TEST_F(SourceMgrTest, LocationPastEndOf257ByteBufferEndingInNewline) {
413 setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
414 "123\n" // + 4 = 257 bytes
415 , "file.in");
416 printMessage(getLoc(257), SourceMgr::DK_Error, "message", None, None);
417 EXPECT_EQ("file.in:25:1: error: message\n"
418 "\n"
419 "^\n",
420 Output);
423 TEST_F(SourceMgrTest, BasicRange) {
424 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
425 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 3), None);
427 EXPECT_EQ("file.in:1:5: error: message\n"
428 "aaa bbb\n"
429 " ^~~\n",
430 Output);
433 TEST_F(SourceMgrTest, RangeWithTab) {
434 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
435 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(3, 3), None);
437 EXPECT_EQ("file.in:1:5: error: message\n"
438 "aaa bbb\n"
439 " ~~~~~^~\n",
440 Output);
443 TEST_F(SourceMgrTest, MultiLineRange) {
444 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
445 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 7), None);
447 EXPECT_EQ("file.in:1:5: error: message\n"
448 "aaa bbb\n"
449 " ^~~\n",
450 Output);
453 TEST_F(SourceMgrTest, MultipleRanges) {
454 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
455 SMRange Ranges[] = { getRange(0, 3), getRange(4, 3) };
456 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
458 EXPECT_EQ("file.in:1:5: error: message\n"
459 "aaa bbb\n"
460 "~~~ ^~~\n",
461 Output);
464 TEST_F(SourceMgrTest, OverlappingRanges) {
465 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
466 SMRange Ranges[] = { getRange(0, 3), getRange(2, 4) };
467 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
469 EXPECT_EQ("file.in:1:5: error: message\n"
470 "aaa bbb\n"
471 "~~~~^~\n",
472 Output);
475 TEST_F(SourceMgrTest, BasicFixit) {
476 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
477 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None,
478 makeArrayRef(SMFixIt(getRange(4, 3), "zzz")));
480 EXPECT_EQ("file.in:1:5: error: message\n"
481 "aaa bbb\n"
482 " ^~~\n"
483 " zzz\n",
484 Output);
487 TEST_F(SourceMgrTest, FixitForTab) {
488 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
489 printMessage(getLoc(3), SourceMgr::DK_Error, "message", None,
490 makeArrayRef(SMFixIt(getRange(3, 1), "zzz")));
492 EXPECT_EQ("file.in:1:4: error: message\n"
493 "aaa bbb\n"
494 " ^^^^^\n"
495 " zzz\n",
496 Output);