1// Copyright 2007, Google Inc. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above 11// copyright notice, this list of conditions and the following disclaimer 12// in the documentation and/or other materials provided with the 13// distribution. 14// * Neither the name of Google Inc. nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 31// Google Mock - a framework for writing C++ mock classes. 32// 33// This file tests the internal utilities. 34 35#include "gmock/internal/gmock-internal-utils.h" 36#include <stdlib.h> 37#include <map> 38#include <memory> 39#include <string> 40#include <sstream> 41#include <vector> 42#include "gmock/gmock.h" 43#include "gmock/internal/gmock-port.h" 44#include "gtest/gtest.h" 45#include "gtest/gtest-spi.h" 46 47// Indicates that this translation unit is part of Google Test's 48// implementation. It must come before gtest-internal-inl.h is 49// included, or there will be a compiler error. This trick is to 50// prevent a user from accidentally including gtest-internal-inl.h in 51// their code. 52#define GTEST_IMPLEMENTATION_ 1 53#include "src/gtest-internal-inl.h" 54#undef GTEST_IMPLEMENTATION_ 55 56#if GTEST_OS_CYGWIN 57# include <sys/types.h> // For ssize_t. NOLINT 58#endif 59 60class ProtocolMessage; 61 62namespace proto2 { 63class Message; 64} // namespace proto2 65 66namespace testing { 67namespace internal { 68 69namespace { 70 71TEST(JoinAsTupleTest, JoinsEmptyTuple) { 72 EXPECT_EQ("", JoinAsTuple(Strings())); 73} 74 75TEST(JoinAsTupleTest, JoinsOneTuple) { 76 const char* fields[] = {"1"}; 77 EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1))); 78} 79 80TEST(JoinAsTupleTest, JoinsTwoTuple) { 81 const char* fields[] = {"1", "a"}; 82 EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2))); 83} 84 85TEST(JoinAsTupleTest, JoinsTenTuple) { 86 const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}; 87 EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)", 88 JoinAsTuple(Strings(fields, fields + 10))); 89} 90 91TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) { 92 EXPECT_EQ("", ConvertIdentifierNameToWords("")); 93 EXPECT_EQ("", ConvertIdentifierNameToWords("_")); 94 EXPECT_EQ("", ConvertIdentifierNameToWords("__")); 95} 96 97TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) { 98 EXPECT_EQ("1", ConvertIdentifierNameToWords("_1")); 99 EXPECT_EQ("2", ConvertIdentifierNameToWords("2_")); 100 EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_")); 101 EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56")); 102} 103 104TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) { 105 EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord")); 106 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar")); 107 EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_")); 108 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_")); 109 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar")); 110} 111 112TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) { 113 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar")); 114 EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_")); 115 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_")); 116 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar")); 117} 118 119TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) { 120 EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123")); 121 EXPECT_EQ("chapter 11 section 1", 122 ConvertIdentifierNameToWords("_Chapter11Section_1_")); 123} 124 125TEST(PointeeOfTest, WorksForSmartPointers) { 126 CompileAssertTypesEqual<const char, 127 PointeeOf<internal::linked_ptr<const char> >::type>(); 128#if GTEST_HAS_STD_UNIQUE_PTR_ 129 CompileAssertTypesEqual<int, PointeeOf<std::unique_ptr<int> >::type>(); 130#endif // GTEST_HAS_STD_UNIQUE_PTR_ 131#if GTEST_HAS_STD_SHARED_PTR_ 132 CompileAssertTypesEqual<std::string, 133 PointeeOf<std::shared_ptr<std::string> >::type>(); 134#endif // GTEST_HAS_STD_SHARED_PTR_ 135} 136 137TEST(PointeeOfTest, WorksForRawPointers) { 138 CompileAssertTypesEqual<int, PointeeOf<int*>::type>(); 139 CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>(); 140 CompileAssertTypesEqual<void, PointeeOf<void*>::type>(); 141} 142 143TEST(GetRawPointerTest, WorksForSmartPointers) { 144#if GTEST_HAS_STD_UNIQUE_PTR_ 145 const char* const raw_p1 = new const char('a'); // NOLINT 146 const std::unique_ptr<const char> p1(raw_p1); 147 EXPECT_EQ(raw_p1, GetRawPointer(p1)); 148#endif // GTEST_HAS_STD_UNIQUE_PTR_ 149#if GTEST_HAS_STD_SHARED_PTR_ 150 double* const raw_p2 = new double(2.5); // NOLINT 151 const std::shared_ptr<double> p2(raw_p2); 152 EXPECT_EQ(raw_p2, GetRawPointer(p2)); 153#endif // GTEST_HAS_STD_SHARED_PTR_ 154 155 const char* const raw_p4 = new const char('a'); // NOLINT 156 const internal::linked_ptr<const char> p4(raw_p4); 157 EXPECT_EQ(raw_p4, GetRawPointer(p4)); 158} 159 160TEST(GetRawPointerTest, WorksForRawPointers) { 161 int* p = NULL; 162 // Don't use EXPECT_EQ as no NULL-testing magic on Symbian. 163 EXPECT_TRUE(NULL == GetRawPointer(p)); 164 int n = 1; 165 EXPECT_EQ(&n, GetRawPointer(&n)); 166} 167 168// Tests KindOf<T>. 169 170class Base {}; 171class Derived : public Base {}; 172 173TEST(KindOfTest, Bool) { 174 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT 175} 176 177TEST(KindOfTest, Integer) { 178 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT 179 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT 180 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT 181 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT 182 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT 183 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT 184 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT 185 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT 186 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT 187 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT 188 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64)); // NOLINT 189 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64)); // NOLINT 190 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT 191#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN 192 // ssize_t is not defined on Windows and possibly some other OSes. 193 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT 194#endif 195} 196 197TEST(KindOfTest, FloatingPoint) { 198 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT 199 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT 200 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT 201} 202 203TEST(KindOfTest, Other) { 204 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT 205 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT 206 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT 207} 208 209// Tests LosslessArithmeticConvertible<T, U>. 210 211TEST(LosslessArithmeticConvertibleTest, BoolToBool) { 212 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value)); 213} 214 215TEST(LosslessArithmeticConvertibleTest, BoolToInteger) { 216 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value)); 217 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value)); 218 EXPECT_TRUE( 219 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT 220} 221 222TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) { 223 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value)); 224 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value)); 225} 226 227TEST(LosslessArithmeticConvertibleTest, IntegerToBool) { 228 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value)); 229 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value)); 230} 231 232TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) { 233 // Unsigned => larger signed is fine. 234 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value)); 235 236 // Unsigned => larger unsigned is fine. 237 EXPECT_TRUE( 238 (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT 239 240 // Signed => unsigned is not fine. 241 EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT 242 EXPECT_FALSE((LosslessArithmeticConvertible< 243 signed char, unsigned int>::value)); // NOLINT 244 245 // Same size and same signedness: fine too. 246 EXPECT_TRUE((LosslessArithmeticConvertible< 247 unsigned char, unsigned char>::value)); 248 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value)); 249 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value)); 250 EXPECT_TRUE((LosslessArithmeticConvertible< 251 unsigned long, unsigned long>::value)); // NOLINT 252 253 // Same size, different signedness: not fine. 254 EXPECT_FALSE((LosslessArithmeticConvertible< 255 unsigned char, signed char>::value)); 256 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value)); 257 EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value)); 258 259 // Larger size => smaller size is not fine. 260 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT 261 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value)); 262 EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value)); 263} 264 265TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) { 266 // Integers cannot be losslessly converted to floating-points, as 267 // the format of the latter is implementation-defined. 268 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value)); 269 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value)); 270 EXPECT_FALSE((LosslessArithmeticConvertible< 271 short, long double>::value)); // NOLINT 272} 273 274TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) { 275 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value)); 276 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value)); 277} 278 279TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) { 280 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT 281 EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value)); 282 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value)); 283} 284 285TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) { 286 // Smaller size => larger size is fine. 287 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value)); 288 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value)); 289 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value)); 290 291 // Same size: fine. 292 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value)); 293 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value)); 294 295 // Larger size => smaller size is not fine. 296 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value)); 297 GTEST_INTENTIONAL_CONST_COND_PUSH_() 298 if (sizeof(double) == sizeof(long double)) { // NOLINT 299 GTEST_INTENTIONAL_CONST_COND_POP_() 300 // In some implementations (e.g. MSVC), double and long double 301 // have the same size. 302 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value)); 303 } else { 304 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value)); 305 } 306} 307 308// Tests the TupleMatches() template function. 309 310TEST(TupleMatchesTest, WorksForSize0) { 311 tuple<> matchers; 312 tuple<> values; 313 314 EXPECT_TRUE(TupleMatches(matchers, values)); 315} 316 317TEST(TupleMatchesTest, WorksForSize1) { 318 tuple<Matcher<int> > matchers(Eq(1)); 319 tuple<int> values1(1), 320 values2(2); 321 322 EXPECT_TRUE(TupleMatches(matchers, values1)); 323 EXPECT_FALSE(TupleMatches(matchers, values2)); 324} 325 326TEST(TupleMatchesTest, WorksForSize2) { 327 tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a')); 328 tuple<int, char> values1(1, 'a'), 329 values2(1, 'b'), 330 values3(2, 'a'), 331 values4(2, 'b'); 332 333 EXPECT_TRUE(TupleMatches(matchers, values1)); 334 EXPECT_FALSE(TupleMatches(matchers, values2)); 335 EXPECT_FALSE(TupleMatches(matchers, values3)); 336 EXPECT_FALSE(TupleMatches(matchers, values4)); 337} 338 339TEST(TupleMatchesTest, WorksForSize5) { 340 tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>, // NOLINT 341 Matcher<std::string> > 342 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi")); 343 tuple<int, char, bool, long, std::string> // NOLINT 344 values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"), 345 values3(2, 'a', true, 2L, "hi"); 346 347 EXPECT_TRUE(TupleMatches(matchers, values1)); 348 EXPECT_FALSE(TupleMatches(matchers, values2)); 349 EXPECT_FALSE(TupleMatches(matchers, values3)); 350} 351 352// Tests that Assert(true, ...) succeeds. 353TEST(AssertTest, SucceedsOnTrue) { 354 Assert(true, __FILE__, __LINE__, "This should succeed."); 355 Assert(true, __FILE__, __LINE__); // This should succeed too. 356} 357 358// Tests that Assert(false, ...) generates a fatal failure. 359TEST(AssertTest, FailsFatallyOnFalse) { 360 EXPECT_DEATH_IF_SUPPORTED({ 361 Assert(false, __FILE__, __LINE__, "This should fail."); 362 }, ""); 363 364 EXPECT_DEATH_IF_SUPPORTED({ 365 Assert(false, __FILE__, __LINE__); 366 }, ""); 367} 368 369// Tests that Expect(true, ...) succeeds. 370TEST(ExpectTest, SucceedsOnTrue) { 371 Expect(true, __FILE__, __LINE__, "This should succeed."); 372 Expect(true, __FILE__, __LINE__); // This should succeed too. 373} 374 375// Tests that Expect(false, ...) generates a non-fatal failure. 376TEST(ExpectTest, FailsNonfatallyOnFalse) { 377 EXPECT_NONFATAL_FAILURE({ // NOLINT 378 Expect(false, __FILE__, __LINE__, "This should fail."); 379 }, "This should fail"); 380 381 EXPECT_NONFATAL_FAILURE({ // NOLINT 382 Expect(false, __FILE__, __LINE__); 383 }, "Expectation failed"); 384} 385 386// Tests LogIsVisible(). 387 388class LogIsVisibleTest : public ::testing::Test { 389 protected: 390 virtual void SetUp() { 391 original_verbose_ = GMOCK_FLAG(verbose); 392 } 393 394 virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; } 395 396 std::string original_verbose_; 397}; 398 399TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) { 400 GMOCK_FLAG(verbose) = kInfoVerbosity; 401 EXPECT_TRUE(LogIsVisible(kInfo)); 402 EXPECT_TRUE(LogIsVisible(kWarning)); 403} 404 405TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) { 406 GMOCK_FLAG(verbose) = kErrorVerbosity; 407 EXPECT_FALSE(LogIsVisible(kInfo)); 408 EXPECT_FALSE(LogIsVisible(kWarning)); 409} 410 411TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) { 412 GMOCK_FLAG(verbose) = kWarningVerbosity; 413 EXPECT_FALSE(LogIsVisible(kInfo)); 414 EXPECT_TRUE(LogIsVisible(kWarning)); 415} 416 417#if GTEST_HAS_STREAM_REDIRECTION 418 419// Tests the Log() function. 420 421// Verifies that Log() behaves correctly for the given verbosity level 422// and log severity. 423void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity, 424 bool should_print) { 425 const std::string old_flag = GMOCK_FLAG(verbose); 426 GMOCK_FLAG(verbose) = verbosity; 427 CaptureStdout(); 428 Log(severity, "Test log.\n", 0); 429 if (should_print) { 430 EXPECT_THAT(GetCapturedStdout().c_str(), 431 ContainsRegex( 432 severity == kWarning ? 433 "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" : 434 "^\nTest log\\.\nStack trace:\n")); 435 } else { 436 EXPECT_STREQ("", GetCapturedStdout().c_str()); 437 } 438 GMOCK_FLAG(verbose) = old_flag; 439} 440 441// Tests that when the stack_frames_to_skip parameter is negative, 442// Log() doesn't include the stack trace in the output. 443TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) { 444 const std::string saved_flag = GMOCK_FLAG(verbose); 445 GMOCK_FLAG(verbose) = kInfoVerbosity; 446 CaptureStdout(); 447 Log(kInfo, "Test log.\n", -1); 448 EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str()); 449 GMOCK_FLAG(verbose) = saved_flag; 450} 451 452struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface { 453 virtual std::string CurrentStackTrace(int max_depth, int skip_count) { 454 return (testing::Message() << max_depth << "::" << skip_count << "\n") 455 .GetString(); 456 } 457 virtual void UponLeavingGTest() {} 458}; 459 460// Tests that in opt mode, a positive stack_frames_to_skip argument is 461// treated as 0. 462TEST(LogTest, NoSkippingStackFrameInOptMode) { 463 MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter; 464 GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter); 465 466 CaptureStdout(); 467 Log(kWarning, "Test log.\n", 100); 468 const std::string log = GetCapturedStdout(); 469 470 std::string expected_trace = 471 (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString(); 472 std::string expected_message = 473 "\nGMOCK WARNING:\n" 474 "Test log.\n" 475 "Stack trace:\n" + 476 expected_trace; 477 EXPECT_THAT(log, HasSubstr(expected_message)); 478 int skip_count = atoi(log.substr(expected_message.size()).c_str()); 479 480# if defined(NDEBUG) 481 // In opt mode, no stack frame should be skipped. 482 const int expected_skip_count = 0; 483# else 484 // In dbg mode, the stack frames should be skipped. 485 const int expected_skip_count = 100; 486# endif 487 488 // Note that each inner implementation layer will +1 the number to remove 489 // itself from the trace. This means that the value is a little higher than 490 // expected, but close enough. 491 EXPECT_THAT(skip_count, 492 AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10))); 493 494 // Restores the default OS stack trace getter. 495 GetUnitTestImpl()->set_os_stack_trace_getter(NULL); 496} 497 498// Tests that all logs are printed when the value of the 499// --gmock_verbose flag is "info". 500TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) { 501 TestLogWithSeverity(kInfoVerbosity, kInfo, true); 502 TestLogWithSeverity(kInfoVerbosity, kWarning, true); 503} 504 505// Tests that only warnings are printed when the value of the 506// --gmock_verbose flag is "warning". 507TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) { 508 TestLogWithSeverity(kWarningVerbosity, kInfo, false); 509 TestLogWithSeverity(kWarningVerbosity, kWarning, true); 510} 511 512// Tests that no logs are printed when the value of the 513// --gmock_verbose flag is "error". 514TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) { 515 TestLogWithSeverity(kErrorVerbosity, kInfo, false); 516 TestLogWithSeverity(kErrorVerbosity, kWarning, false); 517} 518 519// Tests that only warnings are printed when the value of the 520// --gmock_verbose flag is invalid. 521TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) { 522 TestLogWithSeverity("invalid", kInfo, false); 523 TestLogWithSeverity("invalid", kWarning, true); 524} 525 526#endif // GTEST_HAS_STREAM_REDIRECTION 527 528TEST(TypeTraitsTest, true_type) { 529 EXPECT_TRUE(true_type::value); 530} 531 532TEST(TypeTraitsTest, false_type) { 533 EXPECT_FALSE(false_type::value); 534} 535 536TEST(TypeTraitsTest, is_reference) { 537 EXPECT_FALSE(is_reference<int>::value); 538 EXPECT_FALSE(is_reference<char*>::value); 539 EXPECT_TRUE(is_reference<const int&>::value); 540} 541 542TEST(TypeTraitsTest, is_pointer) { 543 EXPECT_FALSE(is_pointer<int>::value); 544 EXPECT_FALSE(is_pointer<char&>::value); 545 EXPECT_TRUE(is_pointer<const int*>::value); 546} 547 548TEST(TypeTraitsTest, type_equals) { 549 EXPECT_FALSE((type_equals<int, const int>::value)); 550 EXPECT_FALSE((type_equals<int, int&>::value)); 551 EXPECT_FALSE((type_equals<int, double>::value)); 552 EXPECT_TRUE((type_equals<char, char>::value)); 553} 554 555TEST(TypeTraitsTest, remove_reference) { 556 EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value)); 557 EXPECT_TRUE((type_equals<const int, 558 remove_reference<const int&>::type>::value)); 559 EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value)); 560 EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value)); 561} 562 563#if GTEST_HAS_STREAM_REDIRECTION 564 565// Verifies that Log() behaves correctly for the given verbosity level 566// and log severity. 567std::string GrabOutput(void(*logger)(), const char* verbosity) { 568 const std::string saved_flag = GMOCK_FLAG(verbose); 569 GMOCK_FLAG(verbose) = verbosity; 570 CaptureStdout(); 571 logger(); 572 GMOCK_FLAG(verbose) = saved_flag; 573 return GetCapturedStdout(); 574} 575 576class DummyMock { 577 public: 578 MOCK_METHOD0(TestMethod, void()); 579 MOCK_METHOD1(TestMethodArg, void(int dummy)); 580}; 581 582void ExpectCallLogger() { 583 DummyMock mock; 584 EXPECT_CALL(mock, TestMethod()); 585 mock.TestMethod(); 586}; 587 588// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info". 589TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) { 590 EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)), 591 HasSubstr("EXPECT_CALL(mock, TestMethod())")); 592} 593 594// Verifies that EXPECT_CALL doesn't log 595// if the --gmock_verbose flag is set to "warning". 596TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) { 597 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str()); 598} 599 600// Verifies that EXPECT_CALL doesn't log 601// if the --gmock_verbose flag is set to "error". 602TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) { 603 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str()); 604} 605 606void OnCallLogger() { 607 DummyMock mock; 608 ON_CALL(mock, TestMethod()); 609}; 610 611// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info". 612TEST(OnCallTest, LogsWhenVerbosityIsInfo) { 613 EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)), 614 HasSubstr("ON_CALL(mock, TestMethod())")); 615} 616 617// Verifies that ON_CALL doesn't log 618// if the --gmock_verbose flag is set to "warning". 619TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) { 620 EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str()); 621} 622 623// Verifies that ON_CALL doesn't log if 624// the --gmock_verbose flag is set to "error". 625TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) { 626 EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str()); 627} 628 629void OnCallAnyArgumentLogger() { 630 DummyMock mock; 631 ON_CALL(mock, TestMethodArg(_)); 632} 633 634// Verifies that ON_CALL prints provided _ argument. 635TEST(OnCallTest, LogsAnythingArgument) { 636 EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)), 637 HasSubstr("ON_CALL(mock, TestMethodArg(_)")); 638} 639 640#endif // GTEST_HAS_STREAM_REDIRECTION 641 642// Tests StlContainerView. 643 644TEST(StlContainerViewTest, WorksForStlContainer) { 645 StaticAssertTypeEq<std::vector<int>, 646 StlContainerView<std::vector<int> >::type>(); 647 StaticAssertTypeEq<const std::vector<double>&, 648 StlContainerView<std::vector<double> >::const_reference>(); 649 650 typedef std::vector<char> Chars; 651 Chars v1; 652 const Chars& v2(StlContainerView<Chars>::ConstReference(v1)); 653 EXPECT_EQ(&v1, &v2); 654 655 v1.push_back('a'); 656 Chars v3 = StlContainerView<Chars>::Copy(v1); 657 EXPECT_THAT(v3, Eq(v3)); 658} 659 660TEST(StlContainerViewTest, WorksForStaticNativeArray) { 661 StaticAssertTypeEq<NativeArray<int>, 662 StlContainerView<int[3]>::type>(); 663 StaticAssertTypeEq<NativeArray<double>, 664 StlContainerView<const double[4]>::type>(); 665 StaticAssertTypeEq<NativeArray<char[3]>, 666 StlContainerView<const char[2][3]>::type>(); 667 668 StaticAssertTypeEq<const NativeArray<int>, 669 StlContainerView<int[2]>::const_reference>(); 670 671 int a1[3] = { 0, 1, 2 }; 672 NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1); 673 EXPECT_EQ(3U, a2.size()); 674 EXPECT_EQ(a1, a2.begin()); 675 676 const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1); 677 ASSERT_EQ(3U, a3.size()); 678 EXPECT_EQ(0, a3.begin()[0]); 679 EXPECT_EQ(1, a3.begin()[1]); 680 EXPECT_EQ(2, a3.begin()[2]); 681 682 // Makes sure a1 and a3 aren't aliases. 683 a1[0] = 3; 684 EXPECT_EQ(0, a3.begin()[0]); 685} 686 687TEST(StlContainerViewTest, WorksForDynamicNativeArray) { 688 StaticAssertTypeEq<NativeArray<int>, 689 StlContainerView<tuple<const int*, size_t> >::type>(); 690 StaticAssertTypeEq<NativeArray<double>, 691 StlContainerView<tuple<linked_ptr<double>, int> >::type>(); 692 693 StaticAssertTypeEq<const NativeArray<int>, 694 StlContainerView<tuple<const int*, int> >::const_reference>(); 695 696 int a1[3] = { 0, 1, 2 }; 697 const int* const p1 = a1; 698 NativeArray<int> a2 = StlContainerView<tuple<const int*, int> >:: 699 ConstReference(make_tuple(p1, 3)); 700 EXPECT_EQ(3U, a2.size()); 701 EXPECT_EQ(a1, a2.begin()); 702 703 const NativeArray<int> a3 = StlContainerView<tuple<int*, size_t> >:: 704 Copy(make_tuple(static_cast<int*>(a1), 3)); 705 ASSERT_EQ(3U, a3.size()); 706 EXPECT_EQ(0, a3.begin()[0]); 707 EXPECT_EQ(1, a3.begin()[1]); 708 EXPECT_EQ(2, a3.begin()[2]); 709 710 // Makes sure a1 and a3 aren't aliases. 711 a1[0] = 3; 712 EXPECT_EQ(0, a3.begin()[0]); 713} 714 715} // namespace 716} // namespace internal 717} // namespace testing 718