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     29 //
     30 // Author: wan (at) google.com (Zhanyong Wan)
     31 
     32 // Google Mock - a framework for writing C++ mock classes.
     33 //
     34 // This file tests the internal utilities.
     35 
     36 #include "gmock/internal/gmock-internal-utils.h"
     37 #include <stdlib.h>
     38 #include <map>
     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 #if GTEST_OS_CYGWIN
     48 # include <sys/types.h>  // For ssize_t. NOLINT
     49 #endif
     50 
     51 class ProtocolMessage;
     52 
     53 namespace proto2 {
     54 class Message;
     55 }  // namespace proto2
     56 
     57 namespace testing {
     58 namespace internal {
     59 
     60 namespace {
     61 
     62 using ::std::tr1::make_tuple;
     63 using ::std::tr1::tuple;
     64 
     65 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
     66   EXPECT_EQ("", ConvertIdentifierNameToWords(""));
     67   EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
     68   EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
     69 }
     70 
     71 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
     72   EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
     73   EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
     74   EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
     75   EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
     76 }
     77 
     78 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
     79   EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
     80   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
     81   EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
     82   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
     83   EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
     84 }
     85 
     86 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
     87   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
     88   EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
     89   EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
     90   EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
     91 }
     92 
     93 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
     94   EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
     95   EXPECT_EQ("chapter 11 section 1",
     96             ConvertIdentifierNameToWords("_Chapter11Section_1_"));
     97 }
     98 
     99 TEST(PointeeOfTest, WorksForSmartPointers) {
    100   CompileAssertTypesEqual<const char,
    101       PointeeOf<internal::linked_ptr<const char> >::type>();
    102 }
    103 
    104 TEST(PointeeOfTest, WorksForRawPointers) {
    105   CompileAssertTypesEqual<int, PointeeOf<int*>::type>();
    106   CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>();
    107   CompileAssertTypesEqual<void, PointeeOf<void*>::type>();
    108 }
    109 
    110 TEST(GetRawPointerTest, WorksForSmartPointers) {
    111   const char* const raw_p4 = new const char('a');  // NOLINT
    112   const internal::linked_ptr<const char> p4(raw_p4);
    113   EXPECT_EQ(raw_p4, GetRawPointer(p4));
    114 }
    115 
    116 TEST(GetRawPointerTest, WorksForRawPointers) {
    117   int* p = NULL;
    118   // Don't use EXPECT_EQ as no NULL-testing magic on Symbian.
    119   EXPECT_TRUE(NULL == GetRawPointer(p));
    120   int n = 1;
    121   EXPECT_EQ(&n, GetRawPointer(&n));
    122 }
    123 
    124 // Tests KindOf<T>.
    125 
    126 class Base {};
    127 class Derived : public Base {};
    128 
    129 TEST(KindOfTest, Bool) {
    130   EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool));  // NOLINT
    131 }
    132 
    133 TEST(KindOfTest, Integer) {
    134   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char));  // NOLINT
    135   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char));  // NOLINT
    136   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char));  // NOLINT
    137   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short));  // NOLINT
    138   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short));  // NOLINT
    139   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int));  // NOLINT
    140   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int));  // NOLINT
    141   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long));  // NOLINT
    142   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long));  // NOLINT
    143   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t));  // NOLINT
    144   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64));  // NOLINT
    145   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64));  // NOLINT
    146   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t));  // NOLINT
    147 #if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
    148   // ssize_t is not defined on Windows and possibly some other OSes.
    149   EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t));  // NOLINT
    150 #endif
    151 }
    152 
    153 TEST(KindOfTest, FloatingPoint) {
    154   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float));  // NOLINT
    155   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double));  // NOLINT
    156   EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double));  // NOLINT
    157 }
    158 
    159 TEST(KindOfTest, Other) {
    160   EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*));  // NOLINT
    161   EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**));  // NOLINT
    162   EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base));  // NOLINT
    163 }
    164 
    165 // Tests LosslessArithmeticConvertible<T, U>.
    166 
    167 TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
    168   EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
    169 }
    170 
    171 TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
    172   EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
    173   EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
    174   EXPECT_TRUE(
    175       (LosslessArithmeticConvertible<bool, unsigned long>::value));  // NOLINT
    176 }
    177 
    178 TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
    179   EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
    180   EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
    181 }
    182 
    183 TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
    184   EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
    185   EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
    186 }
    187 
    188 TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
    189   // Unsigned => larger signed is fine.
    190   EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
    191 
    192   // Unsigned => larger unsigned is fine.
    193   EXPECT_TRUE(
    194       (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT
    195 
    196   // Signed => unsigned is not fine.
    197   EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT
    198   EXPECT_FALSE((LosslessArithmeticConvertible<
    199       signed char, unsigned int>::value));  // NOLINT
    200 
    201   // Same size and same signedness: fine too.
    202   EXPECT_TRUE((LosslessArithmeticConvertible<
    203                unsigned char, unsigned char>::value));
    204   EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
    205   EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
    206   EXPECT_TRUE((LosslessArithmeticConvertible<
    207                unsigned long, unsigned long>::value));  // NOLINT
    208 
    209   // Same size, different signedness: not fine.
    210   EXPECT_FALSE((LosslessArithmeticConvertible<
    211                 unsigned char, signed char>::value));
    212   EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
    213   EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value));
    214 
    215   // Larger size => smaller size is not fine.
    216   EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value));  // NOLINT
    217   EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
    218   EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value));
    219 }
    220 
    221 TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
    222   // Integers cannot be losslessly converted to floating-points, as
    223   // the format of the latter is implementation-defined.
    224   EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
    225   EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
    226   EXPECT_FALSE((LosslessArithmeticConvertible<
    227                 short, long double>::value));  // NOLINT
    228 }
    229 
    230 TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
    231   EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
    232   EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
    233 }
    234 
    235 TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
    236   EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value));  // NOLINT
    237   EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value));
    238   EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
    239 }
    240 
    241 TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
    242   // Smaller size => larger size is fine.
    243   EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
    244   EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
    245   EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
    246 
    247   // Same size: fine.
    248   EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
    249   EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
    250 
    251   // Larger size => smaller size is not fine.
    252   EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
    253   if (sizeof(double) == sizeof(long double)) {  // NOLINT
    254     // In some implementations (e.g. MSVC), double and long double
    255     // have the same size.
    256     EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
    257   } else {
    258     EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
    259   }
    260 }
    261 
    262 // Tests the TupleMatches() template function.
    263 
    264 TEST(TupleMatchesTest, WorksForSize0) {
    265   tuple<> matchers;
    266   tuple<> values;
    267 
    268   EXPECT_TRUE(TupleMatches(matchers, values));
    269 }
    270 
    271 TEST(TupleMatchesTest, WorksForSize1) {
    272   tuple<Matcher<int> > matchers(Eq(1));
    273   tuple<int> values1(1),
    274       values2(2);
    275 
    276   EXPECT_TRUE(TupleMatches(matchers, values1));
    277   EXPECT_FALSE(TupleMatches(matchers, values2));
    278 }
    279 
    280 TEST(TupleMatchesTest, WorksForSize2) {
    281   tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
    282   tuple<int, char> values1(1, 'a'),
    283       values2(1, 'b'),
    284       values3(2, 'a'),
    285       values4(2, 'b');
    286 
    287   EXPECT_TRUE(TupleMatches(matchers, values1));
    288   EXPECT_FALSE(TupleMatches(matchers, values2));
    289   EXPECT_FALSE(TupleMatches(matchers, values3));
    290   EXPECT_FALSE(TupleMatches(matchers, values4));
    291 }
    292 
    293 TEST(TupleMatchesTest, WorksForSize5) {
    294   tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>,  // NOLINT
    295       Matcher<string> >
    296       matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
    297   tuple<int, char, bool, long, string>  // NOLINT
    298       values1(1, 'a', true, 2L, "hi"),
    299       values2(1, 'a', true, 2L, "hello"),
    300       values3(2, 'a', true, 2L, "hi");
    301 
    302   EXPECT_TRUE(TupleMatches(matchers, values1));
    303   EXPECT_FALSE(TupleMatches(matchers, values2));
    304   EXPECT_FALSE(TupleMatches(matchers, values3));
    305 }
    306 
    307 // Tests that Assert(true, ...) succeeds.
    308 TEST(AssertTest, SucceedsOnTrue) {
    309   Assert(true, __FILE__, __LINE__, "This should succeed.");
    310   Assert(true, __FILE__, __LINE__);  // This should succeed too.
    311 }
    312 
    313 // Tests that Assert(false, ...) generates a fatal failure.
    314 TEST(AssertTest, FailsFatallyOnFalse) {
    315   EXPECT_DEATH_IF_SUPPORTED({
    316     Assert(false, __FILE__, __LINE__, "This should fail.");
    317   }, "");
    318 
    319   EXPECT_DEATH_IF_SUPPORTED({
    320     Assert(false, __FILE__, __LINE__);
    321   }, "");
    322 }
    323 
    324 // Tests that Expect(true, ...) succeeds.
    325 TEST(ExpectTest, SucceedsOnTrue) {
    326   Expect(true, __FILE__, __LINE__, "This should succeed.");
    327   Expect(true, __FILE__, __LINE__);  // This should succeed too.
    328 }
    329 
    330 // Tests that Expect(false, ...) generates a non-fatal failure.
    331 TEST(ExpectTest, FailsNonfatallyOnFalse) {
    332   EXPECT_NONFATAL_FAILURE({  // NOLINT
    333     Expect(false, __FILE__, __LINE__, "This should fail.");
    334   }, "This should fail");
    335 
    336   EXPECT_NONFATAL_FAILURE({  // NOLINT
    337     Expect(false, __FILE__, __LINE__);
    338   }, "Expectation failed");
    339 }
    340 
    341 // Tests LogIsVisible().
    342 
    343 class LogIsVisibleTest : public ::testing::Test {
    344  protected:
    345   virtual void SetUp() {
    346     // The code needs to work when both ::string and ::std::string are
    347     // defined and the flag is implemented as a
    348     // testing::internal::String.  In this case, without the call to
    349     // c_str(), the compiler will complain that it cannot figure out
    350     // whether the String flag should be converted to a ::string or an
    351     // ::std::string before being assigned to original_verbose_.
    352     original_verbose_ = GMOCK_FLAG(verbose).c_str();
    353   }
    354 
    355   virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; }
    356 
    357   string original_verbose_;
    358 };
    359 
    360 TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
    361   GMOCK_FLAG(verbose) = kInfoVerbosity;
    362   EXPECT_TRUE(LogIsVisible(kInfo));
    363   EXPECT_TRUE(LogIsVisible(kWarning));
    364 }
    365 
    366 TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
    367   GMOCK_FLAG(verbose) = kErrorVerbosity;
    368   EXPECT_FALSE(LogIsVisible(kInfo));
    369   EXPECT_FALSE(LogIsVisible(kWarning));
    370 }
    371 
    372 TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
    373   GMOCK_FLAG(verbose) = kWarningVerbosity;
    374   EXPECT_FALSE(LogIsVisible(kInfo));
    375   EXPECT_TRUE(LogIsVisible(kWarning));
    376 }
    377 
    378 #if GTEST_HAS_STREAM_REDIRECTION
    379 
    380 // Tests the Log() function.
    381 
    382 // Verifies that Log() behaves correctly for the given verbosity level
    383 // and log severity.
    384 void TestLogWithSeverity(const string& verbosity, LogSeverity severity,
    385                          bool should_print) {
    386   const string old_flag = GMOCK_FLAG(verbose);
    387   GMOCK_FLAG(verbose) = verbosity;
    388   CaptureStdout();
    389   Log(severity, "Test log.\n", 0);
    390   if (should_print) {
    391     EXPECT_THAT(GetCapturedStdout().c_str(),
    392                 ContainsRegex(
    393                     severity == kWarning ?
    394                     "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
    395                     "^\nTest log\\.\nStack trace:\n"));
    396   } else {
    397     EXPECT_STREQ("", GetCapturedStdout().c_str());
    398   }
    399   GMOCK_FLAG(verbose) = old_flag;
    400 }
    401 
    402 // Tests that when the stack_frames_to_skip parameter is negative,
    403 // Log() doesn't include the stack trace in the output.
    404 TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
    405   const string saved_flag = GMOCK_FLAG(verbose);
    406   GMOCK_FLAG(verbose) = kInfoVerbosity;
    407   CaptureStdout();
    408   Log(kInfo, "Test log.\n", -1);
    409   EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
    410   GMOCK_FLAG(verbose) = saved_flag;
    411 }
    412 
    413 // Tests that in opt mode, a positive stack_frames_to_skip argument is
    414 // treated as 0.
    415 TEST(LogTest, NoSkippingStackFrameInOptMode) {
    416   CaptureStdout();
    417   Log(kWarning, "Test log.\n", 100);
    418   const String log = GetCapturedStdout();
    419 
    420 # if defined(NDEBUG) && GTEST_GOOGLE3_MODE_
    421 
    422   // In opt mode, no stack frame should be skipped.
    423   EXPECT_THAT(log, ContainsRegex("\nGMOCK WARNING:\n"
    424                                  "Test log\\.\n"
    425                                  "Stack trace:\n"
    426                                  ".+"));
    427 # else
    428 
    429   // In dbg mode, the stack frames should be skipped.
    430   EXPECT_STREQ("\nGMOCK WARNING:\n"
    431                "Test log.\n"
    432                "Stack trace:\n", log.c_str());
    433 # endif
    434 }
    435 
    436 // Tests that all logs are printed when the value of the
    437 // --gmock_verbose flag is "info".
    438 TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
    439   TestLogWithSeverity(kInfoVerbosity, kInfo, true);
    440   TestLogWithSeverity(kInfoVerbosity, kWarning, true);
    441 }
    442 
    443 // Tests that only warnings are printed when the value of the
    444 // --gmock_verbose flag is "warning".
    445 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
    446   TestLogWithSeverity(kWarningVerbosity, kInfo, false);
    447   TestLogWithSeverity(kWarningVerbosity, kWarning, true);
    448 }
    449 
    450 // Tests that no logs are printed when the value of the
    451 // --gmock_verbose flag is "error".
    452 TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
    453   TestLogWithSeverity(kErrorVerbosity, kInfo, false);
    454   TestLogWithSeverity(kErrorVerbosity, kWarning, false);
    455 }
    456 
    457 // Tests that only warnings are printed when the value of the
    458 // --gmock_verbose flag is invalid.
    459 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
    460   TestLogWithSeverity("invalid", kInfo, false);
    461   TestLogWithSeverity("invalid", kWarning, true);
    462 }
    463 
    464 #endif  // GTEST_HAS_STREAM_REDIRECTION
    465 
    466 TEST(TypeTraitsTest, true_type) {
    467   EXPECT_TRUE(true_type::value);
    468 }
    469 
    470 TEST(TypeTraitsTest, false_type) {
    471   EXPECT_FALSE(false_type::value);
    472 }
    473 
    474 TEST(TypeTraitsTest, is_reference) {
    475   EXPECT_FALSE(is_reference<int>::value);
    476   EXPECT_FALSE(is_reference<char*>::value);
    477   EXPECT_TRUE(is_reference<const int&>::value);
    478 }
    479 
    480 TEST(TypeTraitsTest, is_pointer) {
    481   EXPECT_FALSE(is_pointer<int>::value);
    482   EXPECT_FALSE(is_pointer<char&>::value);
    483   EXPECT_TRUE(is_pointer<const int*>::value);
    484 }
    485 
    486 TEST(TypeTraitsTest, type_equals) {
    487   EXPECT_FALSE((type_equals<int, const int>::value));
    488   EXPECT_FALSE((type_equals<int, int&>::value));
    489   EXPECT_FALSE((type_equals<int, double>::value));
    490   EXPECT_TRUE((type_equals<char, char>::value));
    491 }
    492 
    493 TEST(TypeTraitsTest, remove_reference) {
    494   EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value));
    495   EXPECT_TRUE((type_equals<const int,
    496                remove_reference<const int&>::type>::value));
    497   EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value));
    498   EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value));
    499 }
    500 
    501 #if GTEST_HAS_STREAM_REDIRECTION
    502 
    503 // Verifies that Log() behaves correctly for the given verbosity level
    504 // and log severity.
    505 String GrabOutput(void(*logger)(), const char* verbosity) {
    506   const string saved_flag = GMOCK_FLAG(verbose);
    507   GMOCK_FLAG(verbose) = verbosity;
    508   CaptureStdout();
    509   logger();
    510   GMOCK_FLAG(verbose) = saved_flag;
    511   return GetCapturedStdout();
    512 }
    513 
    514 class DummyMock {
    515  public:
    516   MOCK_METHOD0(TestMethod, void());
    517   MOCK_METHOD1(TestMethodArg, void(int dummy));
    518 };
    519 
    520 void ExpectCallLogger() {
    521   DummyMock mock;
    522   EXPECT_CALL(mock, TestMethod());
    523   mock.TestMethod();
    524 };
    525 
    526 // Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
    527 TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
    528   EXPECT_THAT(GrabOutput(ExpectCallLogger, kInfoVerbosity),
    529               HasSubstr("EXPECT_CALL(mock, TestMethod())"));
    530 }
    531 
    532 // Verifies that EXPECT_CALL doesn't log
    533 // if the --gmock_verbose flag is set to "warning".
    534 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
    535   EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
    536 }
    537 
    538 // Verifies that EXPECT_CALL doesn't log
    539 // if the --gmock_verbose flag is set to "error".
    540 TEST(ExpectCallTest,  DoesNotLogWhenVerbosityIsError) {
    541   EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
    542 }
    543 
    544 void OnCallLogger() {
    545   DummyMock mock;
    546   ON_CALL(mock, TestMethod());
    547 };
    548 
    549 // Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
    550 TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
    551   EXPECT_THAT(GrabOutput(OnCallLogger, kInfoVerbosity),
    552               HasSubstr("ON_CALL(mock, TestMethod())"));
    553 }
    554 
    555 // Verifies that ON_CALL doesn't log
    556 // if the --gmock_verbose flag is set to "warning".
    557 TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
    558   EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
    559 }
    560 
    561 // Verifies that ON_CALL doesn't log if
    562 // the --gmock_verbose flag is set to "error".
    563 TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
    564   EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
    565 }
    566 
    567 void OnCallAnyArgumentLogger() {
    568   DummyMock mock;
    569   ON_CALL(mock, TestMethodArg(_));
    570 }
    571 
    572 // Verifies that ON_CALL prints provided _ argument.
    573 TEST(OnCallTest, LogsAnythingArgument) {
    574   EXPECT_THAT(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity),
    575               HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
    576 }
    577 
    578 #endif  // GTEST_HAS_STREAM_REDIRECTION
    579 
    580 // Tests StlContainerView.
    581 
    582 TEST(StlContainerViewTest, WorksForStlContainer) {
    583   StaticAssertTypeEq<std::vector<int>,
    584       StlContainerView<std::vector<int> >::type>();
    585   StaticAssertTypeEq<const std::vector<double>&,
    586       StlContainerView<std::vector<double> >::const_reference>();
    587 
    588   typedef std::vector<char> Chars;
    589   Chars v1;
    590   const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
    591   EXPECT_EQ(&v1, &v2);
    592 
    593   v1.push_back('a');
    594   Chars v3 = StlContainerView<Chars>::Copy(v1);
    595   EXPECT_THAT(v3, Eq(v3));
    596 }
    597 
    598 TEST(StlContainerViewTest, WorksForStaticNativeArray) {
    599   StaticAssertTypeEq<NativeArray<int>,
    600       StlContainerView<int[3]>::type>();
    601   StaticAssertTypeEq<NativeArray<double>,
    602       StlContainerView<const double[4]>::type>();
    603   StaticAssertTypeEq<NativeArray<char[3]>,
    604       StlContainerView<const char[2][3]>::type>();
    605 
    606   StaticAssertTypeEq<const NativeArray<int>,
    607       StlContainerView<int[2]>::const_reference>();
    608 
    609   int a1[3] = { 0, 1, 2 };
    610   NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
    611   EXPECT_EQ(3U, a2.size());
    612   EXPECT_EQ(a1, a2.begin());
    613 
    614   const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
    615   ASSERT_EQ(3U, a3.size());
    616   EXPECT_EQ(0, a3.begin()[0]);
    617   EXPECT_EQ(1, a3.begin()[1]);
    618   EXPECT_EQ(2, a3.begin()[2]);
    619 
    620   // Makes sure a1 and a3 aren't aliases.
    621   a1[0] = 3;
    622   EXPECT_EQ(0, a3.begin()[0]);
    623 }
    624 
    625 TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
    626   StaticAssertTypeEq<NativeArray<int>,
    627       StlContainerView<tuple<const int*, size_t> >::type>();
    628   StaticAssertTypeEq<NativeArray<double>,
    629       StlContainerView<tuple<linked_ptr<double>, int> >::type>();
    630 
    631   StaticAssertTypeEq<const NativeArray<int>,
    632       StlContainerView<tuple<const int*, int> >::const_reference>();
    633 
    634   int a1[3] = { 0, 1, 2 };
    635   const int* const p1 = a1;
    636   NativeArray<int> a2 = StlContainerView<tuple<const int*, int> >::
    637       ConstReference(make_tuple(p1, 3));
    638   EXPECT_EQ(3U, a2.size());
    639   EXPECT_EQ(a1, a2.begin());
    640 
    641   const NativeArray<int> a3 = StlContainerView<tuple<int*, size_t> >::
    642       Copy(make_tuple(static_cast<int*>(a1), 3));
    643   ASSERT_EQ(3U, a3.size());
    644   EXPECT_EQ(0, a3.begin()[0]);
    645   EXPECT_EQ(1, a3.begin()[1]);
    646   EXPECT_EQ(2, a3.begin()[2]);
    647 
    648   // Makes sure a1 and a3 aren't aliases.
    649   a1[0] = 3;
    650   EXPECT_EQ(0, a3.begin()[0]);
    651 }
    652 
    653 }  // namespace
    654 }  // namespace internal
    655 }  // namespace testing
    656