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Side by Side Diff: mojo/public/cpp/system/tests/core_unittest.cc

Issue 612243002: Mojo: NULL -> nullptr in mojo/public/cpp outside of bindings. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 2 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This file tests the C++ Mojo system core wrappers. 5 // This file tests the C++ Mojo system core wrappers.
6 // TODO(vtl): Maybe rename "CoreCppTest" -> "CoreTest" if/when this gets 6 // TODO(vtl): Maybe rename "CoreCppTest" -> "CoreTest" if/when this gets
7 // compiled into a different binary from the C API tests. 7 // compiled into a different binary from the C API tests.
8 8
9 #include "mojo/public/cpp/system/core.h" 9 #include "mojo/public/cpp/system/core.h"
10 10
(...skipping 106 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 EXPECT_FALSE(MakeScopedHandle(DataPipeConsumerHandle()).is_valid()); 117 EXPECT_FALSE(MakeScopedHandle(DataPipeConsumerHandle()).is_valid());
118 EXPECT_FALSE(MakeScopedHandle(SharedBufferHandle()).is_valid()); 118 EXPECT_FALSE(MakeScopedHandle(SharedBufferHandle()).is_valid());
119 } 119 }
120 120
121 // |MessagePipeHandle|/|ScopedMessagePipeHandle| functions: 121 // |MessagePipeHandle|/|ScopedMessagePipeHandle| functions:
122 { 122 {
123 MessagePipeHandle h_invalid; 123 MessagePipeHandle h_invalid;
124 EXPECT_FALSE(h_invalid.is_valid()); 124 EXPECT_FALSE(h_invalid.is_valid());
125 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, 125 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
126 WriteMessageRaw(h_invalid, 126 WriteMessageRaw(h_invalid,
127 NULL, 0, 127 nullptr, 0,
128 NULL, 0, 128 nullptr, 0,
129 MOJO_WRITE_MESSAGE_FLAG_NONE)); 129 MOJO_WRITE_MESSAGE_FLAG_NONE));
130 char buffer[10] = { 0 }; 130 char buffer[10] = { 0 };
131 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, 131 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
132 WriteMessageRaw(h_invalid, 132 WriteMessageRaw(h_invalid,
133 buffer, sizeof(buffer), 133 buffer, sizeof(buffer),
134 NULL, 0, 134 nullptr, 0,
135 MOJO_WRITE_MESSAGE_FLAG_NONE)); 135 MOJO_WRITE_MESSAGE_FLAG_NONE));
136 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, 136 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
137 ReadMessageRaw(h_invalid, 137 ReadMessageRaw(h_invalid,
138 NULL, NULL, 138 nullptr, nullptr,
139 NULL, NULL, 139 nullptr, nullptr,
140 MOJO_READ_MESSAGE_FLAG_NONE)); 140 MOJO_READ_MESSAGE_FLAG_NONE));
141 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); 141 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
142 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, 142 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
143 ReadMessageRaw(h_invalid, 143 ReadMessageRaw(h_invalid,
144 buffer, &buffer_size, 144 buffer, &buffer_size,
145 NULL, NULL, 145 nullptr, nullptr,
146 MOJO_READ_MESSAGE_FLAG_NONE)); 146 MOJO_READ_MESSAGE_FLAG_NONE));
147 147
148 // Basic tests of waiting and closing. 148 // Basic tests of waiting and closing.
149 MojoHandle hv0 = kInvalidHandleValue; 149 MojoHandle hv0 = kInvalidHandleValue;
150 { 150 {
151 ScopedMessagePipeHandle h0; 151 ScopedMessagePipeHandle h0;
152 ScopedMessagePipeHandle h1; 152 ScopedMessagePipeHandle h1;
153 EXPECT_FALSE(h0.get().is_valid()); 153 EXPECT_FALSE(h0.get().is_valid());
154 EXPECT_FALSE(h1.get().is_valid()); 154 EXPECT_FALSE(h1.get().is_valid());
155 155
156 CreateMessagePipe(NULL, &h0, &h1); 156 CreateMessagePipe(nullptr, &h0, &h1);
157 EXPECT_TRUE(h0.get().is_valid()); 157 EXPECT_TRUE(h0.get().is_valid());
158 EXPECT_TRUE(h1.get().is_valid()); 158 EXPECT_TRUE(h1.get().is_valid());
159 EXPECT_NE(h0.get().value(), h1.get().value()); 159 EXPECT_NE(h0.get().value(), h1.get().value());
160 // Save the handle values, so we can check that things got closed 160 // Save the handle values, so we can check that things got closed
161 // correctly. 161 // correctly.
162 hv0 = h0.get().value(); 162 hv0 = h0.get().value();
163 MojoHandle hv1 = h1.get().value(); 163 MojoHandle hv1 = h1.get().value();
164 164
165 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, 165 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED,
166 Wait(h0.get(), MOJO_HANDLE_SIGNAL_READABLE, 0)); 166 Wait(h0.get(), MOJO_HANDLE_SIGNAL_READABLE, 0));
(...skipping 19 matching lines...) Expand all
186 MOJO_DEADLINE_INDEFINITE)); 186 MOJO_DEADLINE_INDEFINITE));
187 } 187 }
188 // |hv0| should have been closed when |h0| went out of scope, so this close 188 // |hv0| should have been closed when |h0| went out of scope, so this close
189 // should fail. 189 // should fail.
190 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(hv0)); 190 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(hv0));
191 191
192 // Actually test writing/reading messages. 192 // Actually test writing/reading messages.
193 { 193 {
194 ScopedMessagePipeHandle h0; 194 ScopedMessagePipeHandle h0;
195 ScopedMessagePipeHandle h1; 195 ScopedMessagePipeHandle h1;
196 CreateMessagePipe(NULL, &h0, &h1); 196 CreateMessagePipe(nullptr, &h0, &h1);
197 197
198 const char kHello[] = "hello"; 198 const char kHello[] = "hello";
199 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); 199 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello));
200 EXPECT_EQ(MOJO_RESULT_OK, 200 EXPECT_EQ(MOJO_RESULT_OK,
201 WriteMessageRaw(h0.get(), 201 WriteMessageRaw(h0.get(),
202 kHello, kHelloSize, 202 kHello, kHelloSize,
203 NULL, 0, 203 nullptr, 0,
204 MOJO_WRITE_MESSAGE_FLAG_NONE)); 204 MOJO_WRITE_MESSAGE_FLAG_NONE));
205 EXPECT_EQ(MOJO_RESULT_OK, 205 EXPECT_EQ(MOJO_RESULT_OK,
206 Wait(h1.get(), MOJO_HANDLE_SIGNAL_READABLE, 206 Wait(h1.get(), MOJO_HANDLE_SIGNAL_READABLE,
207 MOJO_DEADLINE_INDEFINITE)); 207 MOJO_DEADLINE_INDEFINITE));
208 char buffer[10] = { 0 }; 208 char buffer[10] = { 0 };
209 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); 209 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer));
210 EXPECT_EQ(MOJO_RESULT_OK, 210 EXPECT_EQ(MOJO_RESULT_OK,
211 ReadMessageRaw(h1.get(), 211 ReadMessageRaw(h1.get(),
212 buffer, &buffer_size, 212 buffer, &buffer_size,
213 NULL, NULL, 213 nullptr, nullptr,
214 MOJO_READ_MESSAGE_FLAG_NONE)); 214 MOJO_READ_MESSAGE_FLAG_NONE));
215 EXPECT_EQ(kHelloSize, buffer_size); 215 EXPECT_EQ(kHelloSize, buffer_size);
216 EXPECT_STREQ(kHello, buffer); 216 EXPECT_STREQ(kHello, buffer);
217 217
218 // Send a handle over the previously-establish message pipe. Use the 218 // Send a handle over the previously-establish message pipe. Use the
219 // |MessagePipe| wrapper (to test it), which automatically creates a 219 // |MessagePipe| wrapper (to test it), which automatically creates a
220 // message pipe. 220 // message pipe.
221 MessagePipe mp; 221 MessagePipe mp;
222 222
223 // Write a message to |mp.handle0|, before we send |mp.handle1|. 223 // Write a message to |mp.handle0|, before we send |mp.handle1|.
224 const char kWorld[] = "world!"; 224 const char kWorld[] = "world!";
225 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); 225 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld));
226 EXPECT_EQ(MOJO_RESULT_OK, 226 EXPECT_EQ(MOJO_RESULT_OK,
227 WriteMessageRaw(mp.handle0.get(), 227 WriteMessageRaw(mp.handle0.get(),
228 kWorld, kWorldSize, 228 kWorld, kWorldSize,
229 NULL, 0, 229 nullptr, 0,
230 MOJO_WRITE_MESSAGE_FLAG_NONE)); 230 MOJO_WRITE_MESSAGE_FLAG_NONE));
231 231
232 // Send |mp.handle1| over |h1| to |h0|. 232 // Send |mp.handle1| over |h1| to |h0|.
233 MojoHandle handles[5]; 233 MojoHandle handles[5];
234 handles[0] = mp.handle1.release().value(); 234 handles[0] = mp.handle1.release().value();
235 EXPECT_NE(kInvalidHandleValue, handles[0]); 235 EXPECT_NE(kInvalidHandleValue, handles[0]);
236 EXPECT_FALSE(mp.handle1.get().is_valid()); 236 EXPECT_FALSE(mp.handle1.get().is_valid());
237 uint32_t handles_count = 1; 237 uint32_t handles_count = 1;
238 EXPECT_EQ(MOJO_RESULT_OK, 238 EXPECT_EQ(MOJO_RESULT_OK,
239 WriteMessageRaw(h1.get(), 239 WriteMessageRaw(h1.get(),
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
289 // TODO(vtl): Test |CloseRaw()|. 289 // TODO(vtl): Test |CloseRaw()|.
290 // TODO(vtl): Test |reset()| more thoroughly? 290 // TODO(vtl): Test |reset()| more thoroughly?
291 } 291 }
292 292
293 TEST(CoreCppTest, TearDownWithMessagesEnqueued) { 293 TEST(CoreCppTest, TearDownWithMessagesEnqueued) {
294 // Tear down a message pipe which still has a message enqueued, with the 294 // Tear down a message pipe which still has a message enqueued, with the
295 // message also having a valid message pipe handle. 295 // message also having a valid message pipe handle.
296 { 296 {
297 ScopedMessagePipeHandle h0; 297 ScopedMessagePipeHandle h0;
298 ScopedMessagePipeHandle h1; 298 ScopedMessagePipeHandle h1;
299 CreateMessagePipe(NULL, &h0, &h1); 299 CreateMessagePipe(nullptr, &h0, &h1);
300 300
301 // Send a handle over the previously-establish message pipe. 301 // Send a handle over the previously-establish message pipe.
302 ScopedMessagePipeHandle h2; 302 ScopedMessagePipeHandle h2;
303 ScopedMessagePipeHandle h3; 303 ScopedMessagePipeHandle h3;
304 CreateMessagePipe(NULL, &h2, &h3); 304 CreateMessagePipe(nullptr, &h2, &h3);
305 305
306 // Write a message to |h2|, before we send |h3|. 306 // Write a message to |h2|, before we send |h3|.
307 const char kWorld[] = "world!"; 307 const char kWorld[] = "world!";
308 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); 308 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld));
309 EXPECT_EQ(MOJO_RESULT_OK, 309 EXPECT_EQ(MOJO_RESULT_OK,
310 WriteMessageRaw(h2.get(), 310 WriteMessageRaw(h2.get(),
311 kWorld, kWorldSize, 311 kWorld, kWorldSize,
312 NULL, 0, 312 nullptr, 0,
313 MOJO_WRITE_MESSAGE_FLAG_NONE)); 313 MOJO_WRITE_MESSAGE_FLAG_NONE));
314 // And also a message to |h3|. 314 // And also a message to |h3|.
315 EXPECT_EQ(MOJO_RESULT_OK, 315 EXPECT_EQ(MOJO_RESULT_OK,
316 WriteMessageRaw(h3.get(), 316 WriteMessageRaw(h3.get(),
317 kWorld, kWorldSize, 317 kWorld, kWorldSize,
318 NULL, 0, 318 nullptr, 0,
319 MOJO_WRITE_MESSAGE_FLAG_NONE)); 319 MOJO_WRITE_MESSAGE_FLAG_NONE));
320 320
321 // Send |h3| over |h1| to |h0|. 321 // Send |h3| over |h1| to |h0|.
322 const char kHello[] = "hello"; 322 const char kHello[] = "hello";
323 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); 323 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello));
324 MojoHandle h3_value; 324 MojoHandle h3_value;
325 h3_value = h3.release().value(); 325 h3_value = h3.release().value();
326 EXPECT_NE(kInvalidHandleValue, h3_value); 326 EXPECT_NE(kInvalidHandleValue, h3_value);
327 EXPECT_FALSE(h3.get().is_valid()); 327 EXPECT_FALSE(h3.get().is_valid());
328 EXPECT_EQ(MOJO_RESULT_OK, 328 EXPECT_EQ(MOJO_RESULT_OK,
329 WriteMessageRaw(h1.get(), 329 WriteMessageRaw(h1.get(),
330 kHello, kHelloSize, 330 kHello, kHelloSize,
331 &h3_value, 1, 331 &h3_value, 1,
332 MOJO_WRITE_MESSAGE_FLAG_NONE)); 332 MOJO_WRITE_MESSAGE_FLAG_NONE));
333 // |h3_value| should actually be invalid now. 333 // |h3_value| should actually be invalid now.
334 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(h3_value)); 334 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(h3_value));
335 335
336 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0.release().value())); 336 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0.release().value()));
337 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1.release().value())); 337 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1.release().value()));
338 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h2.release().value())); 338 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h2.release().value()));
339 } 339 }
340 340
341 // Do this in a different order: make the enqueued message pipe handle only 341 // Do this in a different order: make the enqueued message pipe handle only
342 // half-alive. 342 // half-alive.
343 { 343 {
344 ScopedMessagePipeHandle h0; 344 ScopedMessagePipeHandle h0;
345 ScopedMessagePipeHandle h1; 345 ScopedMessagePipeHandle h1;
346 CreateMessagePipe(NULL, &h0, &h1); 346 CreateMessagePipe(nullptr, &h0, &h1);
347 347
348 // Send a handle over the previously-establish message pipe. 348 // Send a handle over the previously-establish message pipe.
349 ScopedMessagePipeHandle h2; 349 ScopedMessagePipeHandle h2;
350 ScopedMessagePipeHandle h3; 350 ScopedMessagePipeHandle h3;
351 CreateMessagePipe(NULL, &h2, &h3); 351 CreateMessagePipe(nullptr, &h2, &h3);
352 352
353 // Write a message to |h2|, before we send |h3|. 353 // Write a message to |h2|, before we send |h3|.
354 const char kWorld[] = "world!"; 354 const char kWorld[] = "world!";
355 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld)); 355 const uint32_t kWorldSize = static_cast<uint32_t>(sizeof(kWorld));
356 EXPECT_EQ(MOJO_RESULT_OK, 356 EXPECT_EQ(MOJO_RESULT_OK,
357 WriteMessageRaw(h2.get(), 357 WriteMessageRaw(h2.get(),
358 kWorld, kWorldSize, 358 kWorld, kWorldSize,
359 NULL, 0, 359 nullptr, 0,
360 MOJO_WRITE_MESSAGE_FLAG_NONE)); 360 MOJO_WRITE_MESSAGE_FLAG_NONE));
361 // And also a message to |h3|. 361 // And also a message to |h3|.
362 EXPECT_EQ(MOJO_RESULT_OK, 362 EXPECT_EQ(MOJO_RESULT_OK,
363 WriteMessageRaw(h3.get(), 363 WriteMessageRaw(h3.get(),
364 kWorld, kWorldSize, 364 kWorld, kWorldSize,
365 NULL, 0, 365 nullptr, 0,
366 MOJO_WRITE_MESSAGE_FLAG_NONE)); 366 MOJO_WRITE_MESSAGE_FLAG_NONE));
367 367
368 // Send |h3| over |h1| to |h0|. 368 // Send |h3| over |h1| to |h0|.
369 const char kHello[] = "hello"; 369 const char kHello[] = "hello";
370 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello)); 370 const uint32_t kHelloSize = static_cast<uint32_t>(sizeof(kHello));
371 MojoHandle h3_value; 371 MojoHandle h3_value;
372 h3_value = h3.release().value(); 372 h3_value = h3.release().value();
373 EXPECT_NE(kInvalidHandleValue, h3_value); 373 EXPECT_NE(kInvalidHandleValue, h3_value);
374 EXPECT_FALSE(h3.get().is_valid()); 374 EXPECT_FALSE(h3.get().is_valid());
375 EXPECT_EQ(MOJO_RESULT_OK, 375 EXPECT_EQ(MOJO_RESULT_OK,
376 WriteMessageRaw(h1.get(), 376 WriteMessageRaw(h1.get(),
377 kHello, kHelloSize, 377 kHello, kHelloSize,
378 &h3_value, 1, 378 &h3_value, 1,
379 MOJO_WRITE_MESSAGE_FLAG_NONE)); 379 MOJO_WRITE_MESSAGE_FLAG_NONE));
380 // |h3_value| should actually be invalid now. 380 // |h3_value| should actually be invalid now.
381 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(h3_value)); 381 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(h3_value));
382 382
383 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h2.release().value())); 383 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h2.release().value()));
384 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0.release().value())); 384 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h0.release().value()));
385 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1.release().value())); 385 EXPECT_EQ(MOJO_RESULT_OK, MojoClose(h1.release().value()));
386 } 386 }
387 } 387 }
388 388
389 TEST(CoreCppTest, ScopedHandleMoveCtor) { 389 TEST(CoreCppTest, ScopedHandleMoveCtor) {
390 ScopedSharedBufferHandle buffer1; 390 ScopedSharedBufferHandle buffer1;
391 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(NULL, 1024, &buffer1)); 391 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer1));
392 EXPECT_TRUE(buffer1.is_valid()); 392 EXPECT_TRUE(buffer1.is_valid());
393 393
394 ScopedSharedBufferHandle buffer2; 394 ScopedSharedBufferHandle buffer2;
395 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(NULL, 1024, &buffer2)); 395 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer2));
396 EXPECT_TRUE(buffer2.is_valid()); 396 EXPECT_TRUE(buffer2.is_valid());
397 397
398 // If this fails to close buffer1, ScopedHandleBase::CloseIfNecessary() will 398 // If this fails to close buffer1, ScopedHandleBase::CloseIfNecessary() will
399 // assert. 399 // assert.
400 buffer1 = buffer2.Pass(); 400 buffer1 = buffer2.Pass();
401 401
402 EXPECT_TRUE(buffer1.is_valid()); 402 EXPECT_TRUE(buffer1.is_valid());
403 EXPECT_FALSE(buffer2.is_valid()); 403 EXPECT_FALSE(buffer2.is_valid());
404 } 404 }
405 405
406 TEST(CoreCppTest, ScopedHandleMoveCtorSelf) { 406 TEST(CoreCppTest, ScopedHandleMoveCtorSelf) {
407 ScopedSharedBufferHandle buffer1; 407 ScopedSharedBufferHandle buffer1;
408 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(NULL, 1024, &buffer1)); 408 EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer1));
409 EXPECT_TRUE(buffer1.is_valid()); 409 EXPECT_TRUE(buffer1.is_valid());
410 410
411 buffer1 = buffer1.Pass(); 411 buffer1 = buffer1.Pass();
412 412
413 EXPECT_TRUE(buffer1.is_valid()); 413 EXPECT_TRUE(buffer1.is_valid());
414 } 414 }
415 415
416 // TODO(vtl): Write data pipe tests. 416 // TODO(vtl): Write data pipe tests.
417 417
418 } // namespace 418 } // namespace
419 } // namespace mojo 419 } // namespace mojo
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