googlemock/test/gmock-internal-utils_test.cc

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  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
  37 #include <stdlib.h>
  38
  39 #include <cstdint>
  40 #include <map>
  41 #include <memory>
  42 #include <sstream>
  43 #include <string>
  44 #include <vector>
  45
  46 #include "gmock/gmock.h"
  47 #include "gmock/internal/gmock-port.h"
  48 #include "gtest/gtest-spi.h"
  49 #include "gtest/gtest.h"
  50
  51 // Indicates that this translation unit is part of Google Test's
  52 // implementation.  It must come before gtest-internal-inl.h is
  53 // included, or there will be a compiler error.  This trick is to
  54 // prevent a user from accidentally including gtest-internal-inl.h in
  55 // their code.
  56 #define GTEST_IMPLEMENTATION_ 1
  57 #include "src/gtest-internal-inl.h"
  58 #undef GTEST_IMPLEMENTATION_
  59
  60 #if GTEST_OS_CYGWIN
  61 # include <sys/types.h>  // For ssize_t. NOLINT
  62 #endif
  63
  64 namespace proto2 {
  65 class Message;
  66 }  // namespace proto2
  67
  68 namespace testing {
  69 namespace internal {
  70
  71 namespace {
  72
  73 TEST(JoinAsTupleTest, JoinsEmptyTuple) {
  74   EXPECT_EQ("", JoinAsTuple(Strings()));
  75 }
  76
  77 TEST(JoinAsTupleTest, JoinsOneTuple) {
  78   const char* fields[] = {"1"};
  79   EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1)));
  80 }
  81
  82 TEST(JoinAsTupleTest, JoinsTwoTuple) {
  83   const char* fields[] = {"1", "a"};
  84   EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2)));
  85 }
  86
  87 TEST(JoinAsTupleTest, JoinsTenTuple) {
  88   const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
  89   EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)",
  90             JoinAsTuple(Strings(fields, fields + 10)));
  91 }
  92
  93 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
  94   EXPECT_EQ("", ConvertIdentifierNameToWords(""));
  95   EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
  96   EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
  97 }
  98
  99 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
 100   EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
 101   EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
 102   EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
 103   EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
 104 }
 105
 106 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
 107   EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
 108   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
 109   EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
 110   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
 111   EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
 112 }
 113
 114 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
 115   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
 116   EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
 117   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
 118   EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
 119 }
 120
 121 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
 122   EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
 123   EXPECT_EQ("chapter 11 section 1",
 124             ConvertIdentifierNameToWords("_Chapter11Section_1_"));
 125 }
 126
 127 TEST(GetRawPointerTest, WorksForSmartPointers) {
 128   const char* const raw_p1 = new const char('a');  // NOLINT
 129   const std::unique_ptr<const char> p1(raw_p1);
 130   EXPECT_EQ(raw_p1, GetRawPointer(p1));
 131   double* const raw_p2 = new double(2.5);  // NOLINT
 132   const std::shared_ptr<double> p2(raw_p2);
 133   EXPECT_EQ(raw_p2, GetRawPointer(p2));
 134 }
 135
 136 TEST(GetRawPointerTest, WorksForRawPointers) {
 137   int* p = nullptr;
 138   EXPECT_TRUE(nullptr == GetRawPointer(p));
 139   int n = 1;
 140   EXPECT_EQ(&n, GetRawPointer(&n));
 141 }
 142
 143 // Tests KindOf<T>.
 144
 145 class Base {};
 146 class Derived : public Base {};
 147
 148 TEST(KindOfTest, Bool) {
 149   EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool));  // NOLINT
 150 }
 151
 152 TEST(KindOfTest, Integer) {
 153   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char));  // NOLINT
 154   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char));  // NOLINT
 155   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char));  // NOLINT
 156   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short));  // NOLINT
 157   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short));  // NOLINT
 158   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int));  // NOLINT
 159   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int));  // NOLINT
 160   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long));  // NOLINT
 161   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long));  // NOLINT
 162   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long));  // NOLINT
 163   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long));  // NOLINT
 164   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t));  // NOLINT
 165   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t));  // NOLINT
 166 #if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
 167   // ssize_t is not defined on Windows and possibly some other OSes.
 168   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t));  // NOLINT
 169 #endif
 170 }
 171
 172 TEST(KindOfTest, FloatingPoint) {
 173   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float));  // NOLINT
 174   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double));  // NOLINT
 175   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double));  // NOLINT
 176 }
 177
 178 TEST(KindOfTest, Other) {
 179   EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*));  // NOLINT
 180   EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**));  // NOLINT
 181   EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base));  // NOLINT
 182 }
 183
 184 // Tests LosslessArithmeticConvertible<T, U>.
 185
 186 TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
 187   EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
 188 }
 189
 190 TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
 191   EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
 192   EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
 193   EXPECT_TRUE(
 194       (LosslessArithmeticConvertible<bool, unsigned long>::value));  // NOLINT
 195 }
 196
 197 TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
 198   EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
 199   EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
 200 }
 201
 202 TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
 203   EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
 204   EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
 205 }
 206
 207 TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
 208   // Unsigned => larger signed is fine.
 209   EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
 210
 211   // Unsigned => larger unsigned is fine.
 212   EXPECT_TRUE((LosslessArithmeticConvertible<
 213                unsigned short, uint64_t>::value));  // NOLINT
 214
 215   // Signed => unsigned is not fine.
 216   EXPECT_FALSE((LosslessArithmeticConvertible<
 217                 short, uint64_t>::value));  // NOLINT
 218   EXPECT_FALSE((LosslessArithmeticConvertible<
 219       signed char, unsigned int>::value));  // NOLINT
 220
 221   // Same size and same signedness: fine too.
 222   EXPECT_TRUE((LosslessArithmeticConvertible<
 223                unsigned char, unsigned char>::value));
 224   EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
 225   EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
 226   EXPECT_TRUE((LosslessArithmeticConvertible<
 227                unsigned long, unsigned long>::value));  // NOLINT
 228
 229   // Same size, different signedness: not fine.
 230   EXPECT_FALSE((LosslessArithmeticConvertible<
 231                 unsigned char, signed char>::value));
 232   EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
 233   EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::value));
 234
 235   // Larger size => smaller size is not fine.
 236   EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value));  // NOLINT
 237   EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
 238   EXPECT_FALSE((LosslessArithmeticConvertible<int64_t, unsigned int>::value));
 239 }
 240
 241 TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
 242   // Integers cannot be losslessly converted to floating-points, as
 243   // the format of the latter is implementation-defined.
 244   EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
 245   EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
 246   EXPECT_FALSE((LosslessArithmeticConvertible<
 247                 short, long double>::value));  // NOLINT
 248 }
 249
 250 TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
 251   EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
 252   EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
 253 }
 254
 255 TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
 256   EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value));  // NOLINT
 257   EXPECT_FALSE((LosslessArithmeticConvertible<double, int64_t>::value));
 258   EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
 259 }
 260
 261 TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
 262   // Smaller size => larger size is fine.
 263   EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
 264   EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
 265   EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
 266
 267   // Same size: fine.
 268   EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
 269   EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
 270
 271   // Larger size => smaller size is not fine.
 272   EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
 273   GTEST_INTENTIONAL_CONST_COND_PUSH_()
 274   if (sizeof(double) == sizeof(long double)) {  // NOLINT
 275   GTEST_INTENTIONAL_CONST_COND_POP_()
 276     // In some implementations (e.g. MSVC), double and long double
 277     // have the same size.
 278     EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
 279   } else {
 280     EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
 281   }
 282 }
 283
 284 // Tests the TupleMatches() template function.
 285
 286 TEST(TupleMatchesTest, WorksForSize0) {
 287   std::tuple<> matchers;
 288   std::tuple<> values;
 289
 290   EXPECT_TRUE(TupleMatches(matchers, values));
 291 }
 292
 293 TEST(TupleMatchesTest, WorksForSize1) {
 294   std::tuple<Matcher<int> > matchers(Eq(1));
 295   std::tuple<int> values1(1), values2(2);
 296
 297   EXPECT_TRUE(TupleMatches(matchers, values1));
 298   EXPECT_FALSE(TupleMatches(matchers, values2));
 299 }
 300
 301 TEST(TupleMatchesTest, WorksForSize2) {
 302   std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
 303   std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
 304       values4(2, 'b');
 305
 306   EXPECT_TRUE(TupleMatches(matchers, values1));
 307   EXPECT_FALSE(TupleMatches(matchers, values2));
 308   EXPECT_FALSE(TupleMatches(matchers, values3));
 309   EXPECT_FALSE(TupleMatches(matchers, values4));
 310 }
 311
 312 TEST(TupleMatchesTest, WorksForSize5) {
 313   std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
 314              Matcher<long>,  // NOLINT
 315              Matcher<std::string> >
 316       matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
 317   std::tuple<int, char, bool, long, std::string>  // NOLINT
 318       values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
 319       values3(2, 'a', true, 2L, "hi");
 320
 321   EXPECT_TRUE(TupleMatches(matchers, values1));
 322   EXPECT_FALSE(TupleMatches(matchers, values2));
 323   EXPECT_FALSE(TupleMatches(matchers, values3));
 324 }
 325
 326 // Tests that Assert(true, ...) succeeds.
 327 TEST(AssertTest, SucceedsOnTrue) {
 328   Assert(true, __FILE__, __LINE__, "This should succeed.");
 329   Assert(true, __FILE__, __LINE__);  // This should succeed too.
 330 }
 331
 332 // Tests that Assert(false, ...) generates a fatal failure.
 333 TEST(AssertTest, FailsFatallyOnFalse) {
 334   EXPECT_DEATH_IF_SUPPORTED({
 335     Assert(false, __FILE__, __LINE__, "This should fail.");
 336   }, "");
 337
 338   EXPECT_DEATH_IF_SUPPORTED({
 339     Assert(false, __FILE__, __LINE__);
 340   }, "");
 341 }
 342
 343 // Tests that Expect(true, ...) succeeds.
 344 TEST(ExpectTest, SucceedsOnTrue) {
 345   Expect(true, __FILE__, __LINE__, "This should succeed.");
 346   Expect(true, __FILE__, __LINE__);  // This should succeed too.
 347 }
 348
 349 // Tests that Expect(false, ...) generates a non-fatal failure.
 350 TEST(ExpectTest, FailsNonfatallyOnFalse) {
 351   EXPECT_NONFATAL_FAILURE({  // NOLINT
 352     Expect(false, __FILE__, __LINE__, "This should fail.");
 353   }, "This should fail");
 354
 355   EXPECT_NONFATAL_FAILURE({  // NOLINT
 356     Expect(false, __FILE__, __LINE__);
 357   }, "Expectation failed");
 358 }
 359
 360 // Tests LogIsVisible().
 361
 362 class LogIsVisibleTest : public ::testing::Test {
 363  protected:
 364   void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); }
 365
 366   void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; }
 367
 368   std::string original_verbose_;
 369 };
 370
 371 TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
 372   GMOCK_FLAG(verbose) = kInfoVerbosity;
 373   EXPECT_TRUE(LogIsVisible(kInfo));
 374   EXPECT_TRUE(LogIsVisible(kWarning));
 375 }
 376
 377 TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
 378   GMOCK_FLAG(verbose) = kErrorVerbosity;
 379   EXPECT_FALSE(LogIsVisible(kInfo));
 380   EXPECT_FALSE(LogIsVisible(kWarning));
 381 }
 382
 383 TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
 384   GMOCK_FLAG(verbose) = kWarningVerbosity;
 385   EXPECT_FALSE(LogIsVisible(kInfo));
 386   EXPECT_TRUE(LogIsVisible(kWarning));
 387 }
 388
 389 #if GTEST_HAS_STREAM_REDIRECTION
 390
 391 // Tests the Log() function.
 392
 393 // Verifies that Log() behaves correctly for the given verbosity level
 394 // and log severity.
 395 void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
 396                          bool should_print) {
 397   const std::string old_flag = GMOCK_FLAG(verbose);
 398   GMOCK_FLAG(verbose) = verbosity;
 399   CaptureStdout();
 400   Log(severity, "Test log.\n", 0);
 401   if (should_print) {
 402     EXPECT_THAT(GetCapturedStdout().c_str(),
 403                 ContainsRegex(
 404                     severity == kWarning ?
 405                     "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
 406                     "^\nTest log\\.\nStack trace:\n"));
 407   } else {
 408     EXPECT_STREQ("", GetCapturedStdout().c_str());
 409   }
 410   GMOCK_FLAG(verbose) = old_flag;
 411 }
 412
 413 // Tests that when the stack_frames_to_skip parameter is negative,
 414 // Log() doesn't include the stack trace in the output.
 415 TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
 416   const std::string saved_flag = GMOCK_FLAG(verbose);
 417   GMOCK_FLAG(verbose) = kInfoVerbosity;
 418   CaptureStdout();
 419   Log(kInfo, "Test log.\n", -1);
 420   EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
 421   GMOCK_FLAG(verbose) = saved_flag;
 422 }
 423
 424 struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
 425   std::string CurrentStackTrace(int max_depth, int skip_count) override {
 426     return (testing::Message() << max_depth << "::" << skip_count << "\n")
 427         .GetString();
 428   }
 429   void UponLeavingGTest() override {}
 430 };
 431
 432 // Tests that in opt mode, a positive stack_frames_to_skip argument is
 433 // treated as 0.
 434 TEST(LogTest, NoSkippingStackFrameInOptMode) {
 435   MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
 436   GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
 437
 438   CaptureStdout();
 439   Log(kWarning, "Test log.\n", 100);
 440   const std::string log = GetCapturedStdout();
 441
 442   std::string expected_trace =
 443       (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
 444   std::string expected_message =
 445       "\nGMOCK WARNING:\n"
 446       "Test log.\n"
 447       "Stack trace:\n" +
 448       expected_trace;
 449   EXPECT_THAT(log, HasSubstr(expected_message));
 450   int skip_count = atoi(log.substr(expected_message.size()).c_str());
 451
 452 # if defined(NDEBUG)
 453   // In opt mode, no stack frame should be skipped.
 454   const int expected_skip_count = 0;
 455 # else
 456   // In dbg mode, the stack frames should be skipped.
 457   const int expected_skip_count = 100;
 458 # endif
 459
 460   // Note that each inner implementation layer will +1 the number to remove
 461   // itself from the trace. This means that the value is a little higher than
 462   // expected, but close enough.
 463   EXPECT_THAT(skip_count,
 464               AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
 465
 466   // Restores the default OS stack trace getter.
 467   GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
 468 }
 469
 470 // Tests that all logs are printed when the value of the
 471 // --gmock_verbose flag is "info".
 472 TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
 473   TestLogWithSeverity(kInfoVerbosity, kInfo, true);
 474   TestLogWithSeverity(kInfoVerbosity, kWarning, true);
 475 }
 476
 477 // Tests that only warnings are printed when the value of the
 478 // --gmock_verbose flag is "warning".
 479 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
 480   TestLogWithSeverity(kWarningVerbosity, kInfo, false);
 481   TestLogWithSeverity(kWarningVerbosity, kWarning, true);
 482 }
 483
 484 // Tests that no logs are printed when the value of the
 485 // --gmock_verbose flag is "error".
 486 TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
 487   TestLogWithSeverity(kErrorVerbosity, kInfo, false);
 488   TestLogWithSeverity(kErrorVerbosity, kWarning, false);
 489 }
 490
 491 // Tests that only warnings are printed when the value of the
 492 // --gmock_verbose flag is invalid.
 493 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
 494   TestLogWithSeverity("invalid", kInfo, false);
 495   TestLogWithSeverity("invalid", kWarning, true);
 496 }
 497
 498 // Verifies that Log() behaves correctly for the given verbosity level
 499 // and log severity.
 500 std::string GrabOutput(void(*logger)(), const char* verbosity) {
 501   const std::string saved_flag = GMOCK_FLAG(verbose);
 502   GMOCK_FLAG(verbose) = verbosity;
 503   CaptureStdout();
 504   logger();
 505   GMOCK_FLAG(verbose) = saved_flag;
 506   return GetCapturedStdout();
 507 }
 508
 509 class DummyMock {
 510  public:
 511   MOCK_METHOD0(TestMethod, void());
 512   MOCK_METHOD1(TestMethodArg, void(int dummy));
 513 };
 514
 515 void ExpectCallLogger() {
 516   DummyMock mock;
 517   EXPECT_CALL(mock, TestMethod());
 518   mock.TestMethod();
 519 }
 520
 521 // Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
 522 TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
 523   EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
 524               HasSubstr("EXPECT_CALL(mock, TestMethod())"));
 525 }
 526
 527 // Verifies that EXPECT_CALL doesn't log
 528 // if the --gmock_verbose flag is set to "warning".
 529 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
 530   EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
 531 }
 532
 533 // Verifies that EXPECT_CALL doesn't log
 534 // if the --gmock_verbose flag is set to "error".
 535 TEST(ExpectCallTest,  DoesNotLogWhenVerbosityIsError) {
 536   EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
 537 }
 538
 539 void OnCallLogger() {
 540   DummyMock mock;
 541   ON_CALL(mock, TestMethod());
 542 }
 543
 544 // Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
 545 TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
 546   EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
 547               HasSubstr("ON_CALL(mock, TestMethod())"));
 548 }
 549
 550 // Verifies that ON_CALL doesn't log
 551 // if the --gmock_verbose flag is set to "warning".
 552 TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
 553   EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
 554 }
 555
 556 // Verifies that ON_CALL doesn't log if
 557 // the --gmock_verbose flag is set to "error".
 558 TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
 559   EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
 560 }
 561
 562 void OnCallAnyArgumentLogger() {
 563   DummyMock mock;
 564   ON_CALL(mock, TestMethodArg(_));
 565 }
 566
 567 // Verifies that ON_CALL prints provided _ argument.
 568 TEST(OnCallTest, LogsAnythingArgument) {
 569   EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
 570               HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
 571 }
 572
 573 #endif  // GTEST_HAS_STREAM_REDIRECTION
 574
 575 // Tests StlContainerView.
 576
 577 TEST(StlContainerViewTest, WorksForStlContainer) {
 578   StaticAssertTypeEq<std::vector<int>,
 579       StlContainerView<std::vector<int> >::type>();
 580   StaticAssertTypeEq<const std::vector<double>&,
 581       StlContainerView<std::vector<double> >::const_reference>();
 582
 583   typedef std::vector<char> Chars;
 584   Chars v1;
 585   const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
 586   EXPECT_EQ(&v1, &v2);
 587
 588   v1.push_back('a');
 589   Chars v3 = StlContainerView<Chars>::Copy(v1);
 590   EXPECT_THAT(v3, Eq(v3));
 591 }
 592
 593 TEST(StlContainerViewTest, WorksForStaticNativeArray) {
 594   StaticAssertTypeEq<NativeArray<int>,
 595       StlContainerView<int[3]>::type>();
 596   StaticAssertTypeEq<NativeArray<double>,
 597       StlContainerView<const double[4]>::type>();
 598   StaticAssertTypeEq<NativeArray<char[3]>,
 599       StlContainerView<const char[2][3]>::type>();
 600
 601   StaticAssertTypeEq<const NativeArray<int>,
 602       StlContainerView<int[2]>::const_reference>();
 603
 604   int a1[3] = { 0, 1, 2 };
 605   NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
 606   EXPECT_EQ(3U, a2.size());
 607   EXPECT_EQ(a1, a2.begin());
 608
 609   const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
 610   ASSERT_EQ(3U, a3.size());
 611   EXPECT_EQ(0, a3.begin()[0]);
 612   EXPECT_EQ(1, a3.begin()[1]);
 613   EXPECT_EQ(2, a3.begin()[2]);
 614
 615   // Makes sure a1 and a3 aren't aliases.
 616   a1[0] = 3;
 617   EXPECT_EQ(0, a3.begin()[0]);
 618 }
 619
 620 TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
 621   StaticAssertTypeEq<NativeArray<int>,
 622                      StlContainerView<std::tuple<const int*, size_t> >::type>();
 623   StaticAssertTypeEq<
 624       NativeArray<double>,
 625       StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
 626
 627   StaticAssertTypeEq<
 628       const NativeArray<int>,
 629       StlContainerView<std::tuple<const int*, int> >::const_reference>();
 630
 631   int a1[3] = { 0, 1, 2 };
 632   const int* const p1 = a1;
 633   NativeArray<int> a2 =
 634       StlContainerView<std::tuple<const int*, int> >::ConstReference(
 635           std::make_tuple(p1, 3));
 636   EXPECT_EQ(3U, a2.size());
 637   EXPECT_EQ(a1, a2.begin());
 638
 639   const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
 640       std::make_tuple(static_cast<int*>(a1), 3));
 641   ASSERT_EQ(3U, a3.size());
 642   EXPECT_EQ(0, a3.begin()[0]);
 643   EXPECT_EQ(1, a3.begin()[1]);
 644   EXPECT_EQ(2, a3.begin()[2]);
 645
 646   // Makes sure a1 and a3 aren't aliases.
 647   a1[0] = 3;
 648   EXPECT_EQ(0, a3.begin()[0]);
 649 }
 650
 651 // Tests the Function template struct.
 652
 653 TEST(FunctionTest, Nullary) {
 654   typedef Function<int()> F;  // NOLINT
 655   EXPECT_EQ(0u, F::ArgumentCount);
 656   EXPECT_TRUE((std::is_same<int, F::Result>::value));
 657   EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
 658   EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
 659   EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
 660   EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
 661 }
 662
 663 TEST(FunctionTest, Unary) {
 664   typedef Function<int(bool)> F;  // NOLINT
 665   EXPECT_EQ(1u, F::ArgumentCount);
 666   EXPECT_TRUE((std::is_same<int, F::Result>::value));
 667   EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
 668   EXPECT_TRUE((std::is_same<std::tuple<bool>, F::ArgumentTuple>::value));
 669   EXPECT_TRUE((
 670       std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
 671   EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value));  // NOLINT
 672   EXPECT_TRUE((std::is_same<IgnoredValue(bool),                       // NOLINT
 673                             F::MakeResultIgnoredValue>::value));
 674 }
 675
 676 TEST(FunctionTest, Binary) {
 677   typedef Function<int(bool, const long&)> F;  // NOLINT
 678   EXPECT_EQ(2u, F::ArgumentCount);
 679   EXPECT_TRUE((std::is_same<int, F::Result>::value));
 680   EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
 681   EXPECT_TRUE((std::is_same<const long&, F::Arg<1>::type>::value));  // NOLINT
 682   EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>,           // NOLINT
 683                             F::ArgumentTuple>::value));
 684   EXPECT_TRUE(
 685       (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>,  // NOLINT
 686                     F::ArgumentMatcherTuple>::value));
 687   EXPECT_TRUE((std::is_same<void(bool, const long&),  // NOLINT
 688                             F::MakeResultVoid>::value));
 689   EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&),  // NOLINT
 690                             F::MakeResultIgnoredValue>::value));
 691 }
 692
 693 TEST(FunctionTest, LongArgumentList) {
 694   typedef Function<char(bool, int, char*, int&, const long&)> F;  // NOLINT
 695   EXPECT_EQ(5u, F::ArgumentCount);
 696   EXPECT_TRUE((std::is_same<char, F::Result>::value));
 697   EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
 698   EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
 699   EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
 700   EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
 701   EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value));  // NOLINT
 702   EXPECT_TRUE(
 703       (std::is_same<std::tuple<bool, int, char*, int&, const long&>,  // NOLINT
 704                     F::ArgumentTuple>::value));
 705   EXPECT_TRUE(
 706       (std::is_same<
 707           std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
 708                      Matcher<const long&>>,  // NOLINT
 709           F::ArgumentMatcherTuple>::value));
 710   EXPECT_TRUE(
 711       (std::is_same<void(bool, int, char*, int&, const long&),  // NOLINT
 712                     F::MakeResultVoid>::value));
 713   EXPECT_TRUE((
 714       std::is_same<IgnoredValue(bool, int, char*, int&, const long&),  // NOLINT
 715                    F::MakeResultIgnoredValue>::value));
 716 }
 717
 718 }  // namespace
 719 }  // namespace internal
 720 }  // namespace testing