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Diffstat (limited to 'ext/googlemock/test/gmock-internal-utils_test.cc')
| -rw-r--r-- | ext/googlemock/test/gmock-internal-utils_test.cc | 699 |
1 files changed, 699 insertions, 0 deletions
diff --git a/ext/googlemock/test/gmock-internal-utils_test.cc b/ext/googlemock/test/gmock-internal-utils_test.cc new file mode 100644 index 000000000..9d5ec6092 --- /dev/null +++ b/ext/googlemock/test/gmock-internal-utils_test.cc @@ -0,0 +1,699 @@ +// Copyright 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Author: wan@google.com (Zhanyong Wan) + +// Google Mock - a framework for writing C++ mock classes. +// +// This file tests the internal utilities. + +#include "gmock/internal/gmock-internal-utils.h" +#include <stdlib.h> +#include <map> +#include <memory> +#include <string> +#include <sstream> +#include <vector> +#include "gmock/gmock.h" +#include "gmock/internal/gmock-port.h" +#include "gtest/gtest.h" +#include "gtest/gtest-spi.h" + +// Indicates that this translation unit is part of Google Test's +// implementation. It must come before gtest-internal-inl.h is +// included, or there will be a compiler error. This trick is to +// prevent a user from accidentally including gtest-internal-inl.h in +// his code. +#define GTEST_IMPLEMENTATION_ 1 +#include "src/gtest-internal-inl.h" +#undef GTEST_IMPLEMENTATION_ + +#if GTEST_OS_CYGWIN +# include <sys/types.h> // For ssize_t. NOLINT +#endif + +class ProtocolMessage; + +namespace proto2 { +class Message; +} // namespace proto2 + +namespace testing { +namespace internal { + +namespace { + +TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) { + EXPECT_EQ("", ConvertIdentifierNameToWords("")); + EXPECT_EQ("", ConvertIdentifierNameToWords("_")); + EXPECT_EQ("", ConvertIdentifierNameToWords("__")); +} + +TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) { + EXPECT_EQ("1", ConvertIdentifierNameToWords("_1")); + EXPECT_EQ("2", ConvertIdentifierNameToWords("2_")); + EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_")); + EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56")); +} + +TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) { + EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord")); + EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar")); + EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_")); + EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_")); + EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar")); +} + +TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) { + EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar")); + EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_")); + EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_")); + EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar")); +} + +TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) { + EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123")); + EXPECT_EQ("chapter 11 section 1", + ConvertIdentifierNameToWords("_Chapter11Section_1_")); +} + +TEST(PointeeOfTest, WorksForSmartPointers) { + CompileAssertTypesEqual<const char, + PointeeOf<internal::linked_ptr<const char> >::type>(); +#if GTEST_HAS_STD_UNIQUE_PTR_ + CompileAssertTypesEqual<int, PointeeOf<std::unique_ptr<int> >::type>(); +#endif // GTEST_HAS_STD_UNIQUE_PTR_ +#if GTEST_HAS_STD_SHARED_PTR_ + CompileAssertTypesEqual<std::string, + PointeeOf<std::shared_ptr<std::string> >::type>(); +#endif // GTEST_HAS_STD_SHARED_PTR_ +} + +TEST(PointeeOfTest, WorksForRawPointers) { + CompileAssertTypesEqual<int, PointeeOf<int*>::type>(); + CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>(); + CompileAssertTypesEqual<void, PointeeOf<void*>::type>(); +} + +TEST(GetRawPointerTest, WorksForSmartPointers) { +#if GTEST_HAS_STD_UNIQUE_PTR_ + const char* const raw_p1 = new const char('a'); // NOLINT + const std::unique_ptr<const char> p1(raw_p1); + EXPECT_EQ(raw_p1, GetRawPointer(p1)); +#endif // GTEST_HAS_STD_UNIQUE_PTR_ +#if GTEST_HAS_STD_SHARED_PTR_ + double* const raw_p2 = new double(2.5); // NOLINT + const std::shared_ptr<double> p2(raw_p2); + EXPECT_EQ(raw_p2, GetRawPointer(p2)); +#endif // GTEST_HAS_STD_SHARED_PTR_ + + const char* const raw_p4 = new const char('a'); // NOLINT + const internal::linked_ptr<const char> p4(raw_p4); + EXPECT_EQ(raw_p4, GetRawPointer(p4)); +} + +TEST(GetRawPointerTest, WorksForRawPointers) { + int* p = NULL; + // Don't use EXPECT_EQ as no NULL-testing magic on Symbian. + EXPECT_TRUE(NULL == GetRawPointer(p)); + int n = 1; + EXPECT_EQ(&n, GetRawPointer(&n)); +} + +// Tests KindOf<T>. + +class Base {}; +class Derived : public Base {}; + +TEST(KindOfTest, Bool) { + EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT +} + +TEST(KindOfTest, Integer) { + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64)); // NOLINT + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT +#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN + // ssize_t is not defined on Windows and possibly some other OSes. + EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT +#endif +} + +TEST(KindOfTest, FloatingPoint) { + EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT + EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT + EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT +} + +TEST(KindOfTest, Other) { + EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT + EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT + EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT +} + +// Tests LosslessArithmeticConvertible<T, U>. + +TEST(LosslessArithmeticConvertibleTest, BoolToBool) { + EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, BoolToInteger) { + EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value)); + EXPECT_TRUE( + (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT +} + +TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) { + EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, IntegerToBool) { + EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) { + // Unsigned => larger signed is fine. + EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value)); + + // Unsigned => larger unsigned is fine. + EXPECT_TRUE( + (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT + + // Signed => unsigned is not fine. + EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT + EXPECT_FALSE((LosslessArithmeticConvertible< + signed char, unsigned int>::value)); // NOLINT + + // Same size and same signedness: fine too. + EXPECT_TRUE((LosslessArithmeticConvertible< + unsigned char, unsigned char>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible< + unsigned long, unsigned long>::value)); // NOLINT + + // Same size, different signedness: not fine. + EXPECT_FALSE((LosslessArithmeticConvertible< + unsigned char, signed char>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value)); + + // Larger size => smaller size is not fine. + EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT + EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) { + // Integers cannot be losslessly converted to floating-points, as + // the format of the latter is implementation-defined. + EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible< + short, long double>::value)); // NOLINT +} + +TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) { + EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) { + EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT + EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value)); + EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value)); +} + +TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) { + // Smaller size => larger size is fine. + EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value)); + + // Same size: fine. + EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value)); + EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value)); + + // Larger size => smaller size is not fine. + EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value)); + GTEST_INTENTIONAL_CONST_COND_PUSH_() + if (sizeof(double) == sizeof(long double)) { // NOLINT + GTEST_INTENTIONAL_CONST_COND_POP_() + // In some implementations (e.g. MSVC), double and long double + // have the same size. + EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value)); + } else { + EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value)); + } +} + +// Tests the TupleMatches() template function. + +TEST(TupleMatchesTest, WorksForSize0) { + tuple<> matchers; + tuple<> values; + + EXPECT_TRUE(TupleMatches(matchers, values)); +} + +TEST(TupleMatchesTest, WorksForSize1) { + tuple<Matcher<int> > matchers(Eq(1)); + tuple<int> values1(1), + values2(2); + + EXPECT_TRUE(TupleMatches(matchers, values1)); + EXPECT_FALSE(TupleMatches(matchers, values2)); +} + +TEST(TupleMatchesTest, WorksForSize2) { + tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a')); + tuple<int, char> values1(1, 'a'), + values2(1, 'b'), + values3(2, 'a'), + values4(2, 'b'); + + EXPECT_TRUE(TupleMatches(matchers, values1)); + EXPECT_FALSE(TupleMatches(matchers, values2)); + EXPECT_FALSE(TupleMatches(matchers, values3)); + EXPECT_FALSE(TupleMatches(matchers, values4)); +} + +TEST(TupleMatchesTest, WorksForSize5) { + tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>, // NOLINT + Matcher<string> > + matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi")); + tuple<int, char, bool, long, string> // NOLINT + values1(1, 'a', true, 2L, "hi"), + values2(1, 'a', true, 2L, "hello"), + values3(2, 'a', true, 2L, "hi"); + + EXPECT_TRUE(TupleMatches(matchers, values1)); + EXPECT_FALSE(TupleMatches(matchers, values2)); + EXPECT_FALSE(TupleMatches(matchers, values3)); +} + +// Tests that Assert(true, ...) succeeds. +TEST(AssertTest, SucceedsOnTrue) { + Assert(true, __FILE__, __LINE__, "This should succeed."); + Assert(true, __FILE__, __LINE__); // This should succeed too. +} + +// Tests that Assert(false, ...) generates a fatal failure. +TEST(AssertTest, FailsFatallyOnFalse) { + EXPECT_DEATH_IF_SUPPORTED({ + Assert(false, __FILE__, __LINE__, "This should fail."); + }, ""); + + EXPECT_DEATH_IF_SUPPORTED({ + Assert(false, __FILE__, __LINE__); + }, ""); +} + +// Tests that Expect(true, ...) succeeds. +TEST(ExpectTest, SucceedsOnTrue) { + Expect(true, __FILE__, __LINE__, "This should succeed."); + Expect(true, __FILE__, __LINE__); // This should succeed too. +} + +// Tests that Expect(false, ...) generates a non-fatal failure. +TEST(ExpectTest, FailsNonfatallyOnFalse) { + EXPECT_NONFATAL_FAILURE({ // NOLINT + Expect(false, __FILE__, __LINE__, "This should fail."); + }, "This should fail"); + + EXPECT_NONFATAL_FAILURE({ // NOLINT + Expect(false, __FILE__, __LINE__); + }, "Expectation failed"); +} + +// Tests LogIsVisible(). + +class LogIsVisibleTest : public ::testing::Test { + protected: + virtual void SetUp() { + original_verbose_ = GMOCK_FLAG(verbose); + } + + virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; } + + string original_verbose_; +}; + +TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) { + GMOCK_FLAG(verbose) = kInfoVerbosity; + EXPECT_TRUE(LogIsVisible(kInfo)); + EXPECT_TRUE(LogIsVisible(kWarning)); +} + +TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) { + GMOCK_FLAG(verbose) = kErrorVerbosity; + EXPECT_FALSE(LogIsVisible(kInfo)); + EXPECT_FALSE(LogIsVisible(kWarning)); +} + +TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) { + GMOCK_FLAG(verbose) = kWarningVerbosity; + EXPECT_FALSE(LogIsVisible(kInfo)); + EXPECT_TRUE(LogIsVisible(kWarning)); +} + +#if GTEST_HAS_STREAM_REDIRECTION + +// Tests the Log() function. + +// Verifies that Log() behaves correctly for the given verbosity level +// and log severity. +void TestLogWithSeverity(const string& verbosity, LogSeverity severity, + bool should_print) { + const string old_flag = GMOCK_FLAG(verbose); + GMOCK_FLAG(verbose) = verbosity; + CaptureStdout(); + Log(severity, "Test log.\n", 0); + if (should_print) { + EXPECT_THAT(GetCapturedStdout().c_str(), + ContainsRegex( + severity == kWarning ? + "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" : + "^\nTest log\\.\nStack trace:\n")); + } else { + EXPECT_STREQ("", GetCapturedStdout().c_str()); + } + GMOCK_FLAG(verbose) = old_flag; +} + +// Tests that when the stack_frames_to_skip parameter is negative, +// Log() doesn't include the stack trace in the output. +TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) { + const string saved_flag = GMOCK_FLAG(verbose); + GMOCK_FLAG(verbose) = kInfoVerbosity; + CaptureStdout(); + Log(kInfo, "Test log.\n", -1); + EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str()); + GMOCK_FLAG(verbose) = saved_flag; +} + +struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface { + virtual string CurrentStackTrace(int max_depth, int skip_count) { + return (testing::Message() << max_depth << "::" << skip_count << "\n") + .GetString(); + } + virtual void UponLeavingGTest() {} +}; + +// Tests that in opt mode, a positive stack_frames_to_skip argument is +// treated as 0. +TEST(LogTest, NoSkippingStackFrameInOptMode) { + MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter; + GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter); + + CaptureStdout(); + Log(kWarning, "Test log.\n", 100); + const string log = GetCapturedStdout(); + + string expected_trace = + (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString(); + string expected_message = + "\nGMOCK WARNING:\n" + "Test log.\n" + "Stack trace:\n" + + expected_trace; + EXPECT_THAT(log, HasSubstr(expected_message)); + int skip_count = atoi(log.substr(expected_message.size()).c_str()); + +# if defined(NDEBUG) + // In opt mode, no stack frame should be skipped. + const int expected_skip_count = 0; +# else + // In dbg mode, the stack frames should be skipped. + const int expected_skip_count = 100; +# endif + + // Note that each inner implementation layer will +1 the number to remove + // itself from the trace. This means that the value is a little higher than + // expected, but close enough. + EXPECT_THAT(skip_count, + AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10))); + + // Restores the default OS stack trace getter. + GetUnitTestImpl()->set_os_stack_trace_getter(NULL); +} + +// Tests that all logs are printed when the value of the +// --gmock_verbose flag is "info". +TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) { + TestLogWithSeverity(kInfoVerbosity, kInfo, true); + TestLogWithSeverity(kInfoVerbosity, kWarning, true); +} + +// Tests that only warnings are printed when the value of the +// --gmock_verbose flag is "warning". +TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) { + TestLogWithSeverity(kWarningVerbosity, kInfo, false); + TestLogWithSeverity(kWarningVerbosity, kWarning, true); +} + +// Tests that no logs are printed when the value of the +// --gmock_verbose flag is "error". +TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) { + TestLogWithSeverity(kErrorVerbosity, kInfo, false); + TestLogWithSeverity(kErrorVerbosity, kWarning, false); +} + +// Tests that only warnings are printed when the value of the +// --gmock_verbose flag is invalid. +TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) { + TestLogWithSeverity("invalid", kInfo, false); + TestLogWithSeverity("invalid", kWarning, true); +} + +#endif // GTEST_HAS_STREAM_REDIRECTION + +TEST(TypeTraitsTest, true_type) { + EXPECT_TRUE(true_type::value); +} + +TEST(TypeTraitsTest, false_type) { + EXPECT_FALSE(false_type::value); +} + +TEST(TypeTraitsTest, is_reference) { + EXPECT_FALSE(is_reference<int>::value); + EXPECT_FALSE(is_reference<char*>::value); + EXPECT_TRUE(is_reference<const int&>::value); +} + +TEST(TypeTraitsTest, is_pointer) { + EXPECT_FALSE(is_pointer<int>::value); + EXPECT_FALSE(is_pointer<char&>::value); + EXPECT_TRUE(is_pointer<const int*>::value); +} + +TEST(TypeTraitsTest, type_equals) { + EXPECT_FALSE((type_equals<int, const int>::value)); + EXPECT_FALSE((type_equals<int, int&>::value)); + EXPECT_FALSE((type_equals<int, double>::value)); + EXPECT_TRUE((type_equals<char, char>::value)); +} + +TEST(TypeTraitsTest, remove_reference) { + EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value)); + EXPECT_TRUE((type_equals<const int, + remove_reference<const int&>::type>::value)); + EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value)); + EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value)); +} + +#if GTEST_HAS_STREAM_REDIRECTION + +// Verifies that Log() behaves correctly for the given verbosity level +// and log severity. +std::string GrabOutput(void(*logger)(), const char* verbosity) { + const string saved_flag = GMOCK_FLAG(verbose); + GMOCK_FLAG(verbose) = verbosity; + CaptureStdout(); + logger(); + GMOCK_FLAG(verbose) = saved_flag; + return GetCapturedStdout(); +} + +class DummyMock { + public: + MOCK_METHOD0(TestMethod, void()); + MOCK_METHOD1(TestMethodArg, void(int dummy)); +}; + +void ExpectCallLogger() { + DummyMock mock; + EXPECT_CALL(mock, TestMethod()); + mock.TestMethod(); +}; + +// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info". +TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) { + EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)), + HasSubstr("EXPECT_CALL(mock, TestMethod())")); +} + +// Verifies that EXPECT_CALL doesn't log +// if the --gmock_verbose flag is set to "warning". +TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) { + EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str()); +} + +// Verifies that EXPECT_CALL doesn't log +// if the --gmock_verbose flag is set to "error". +TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) { + EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str()); +} + +void OnCallLogger() { + DummyMock mock; + ON_CALL(mock, TestMethod()); +}; + +// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info". +TEST(OnCallTest, LogsWhenVerbosityIsInfo) { + EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)), + HasSubstr("ON_CALL(mock, TestMethod())")); +} + +// Verifies that ON_CALL doesn't log +// if the --gmock_verbose flag is set to "warning". +TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) { + EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str()); +} + +// Verifies that ON_CALL doesn't log if +// the --gmock_verbose flag is set to "error". +TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) { + EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str()); +} + +void OnCallAnyArgumentLogger() { + DummyMock mock; + ON_CALL(mock, TestMethodArg(_)); +} + +// Verifies that ON_CALL prints provided _ argument. +TEST(OnCallTest, LogsAnythingArgument) { + EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)), + HasSubstr("ON_CALL(mock, TestMethodArg(_)")); +} + +#endif // GTEST_HAS_STREAM_REDIRECTION + +// Tests StlContainerView. + +TEST(StlContainerViewTest, WorksForStlContainer) { + StaticAssertTypeEq<std::vector<int>, + StlContainerView<std::vector<int> >::type>(); + StaticAssertTypeEq<const std::vector<double>&, + StlContainerView<std::vector<double> >::const_reference>(); + + typedef std::vector<char> Chars; + Chars v1; + const Chars& v2(StlContainerView<Chars>::ConstReference(v1)); + EXPECT_EQ(&v1, &v2); + + v1.push_back('a'); + Chars v3 = StlContainerView<Chars>::Copy(v1); + EXPECT_THAT(v3, Eq(v3)); +} + +TEST(StlContainerViewTest, WorksForStaticNativeArray) { + StaticAssertTypeEq<NativeArray<int>, + StlContainerView<int[3]>::type>(); + StaticAssertTypeEq<NativeArray<double>, + StlContainerView<const double[4]>::type>(); + StaticAssertTypeEq<NativeArray<char[3]>, + StlContainerView<const char[2][3]>::type>(); + + StaticAssertTypeEq<const NativeArray<int>, + StlContainerView<int[2]>::const_reference>(); + + int a1[3] = { 0, 1, 2 }; + NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1); + EXPECT_EQ(3U, a2.size()); + EXPECT_EQ(a1, a2.begin()); + + const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1); + ASSERT_EQ(3U, a3.size()); + EXPECT_EQ(0, a3.begin()[0]); + EXPECT_EQ(1, a3.begin()[1]); + EXPECT_EQ(2, a3.begin()[2]); + + // Makes sure a1 and a3 aren't aliases. + a1[0] = 3; + EXPECT_EQ(0, a3.begin()[0]); +} + +TEST(StlContainerViewTest, WorksForDynamicNativeArray) { + StaticAssertTypeEq<NativeArray<int>, + StlContainerView<tuple<const int*, size_t> >::type>(); + StaticAssertTypeEq<NativeArray<double>, + StlContainerView<tuple<linked_ptr<double>, int> >::type>(); + + StaticAssertTypeEq<const NativeArray<int>, + StlContainerView<tuple<const int*, int> >::const_reference>(); + + int a1[3] = { 0, 1, 2 }; + const int* const p1 = a1; + NativeArray<int> a2 = StlContainerView<tuple<const int*, int> >:: + ConstReference(make_tuple(p1, 3)); + EXPECT_EQ(3U, a2.size()); + EXPECT_EQ(a1, a2.begin()); + + const NativeArray<int> a3 = StlContainerView<tuple<int*, size_t> >:: + Copy(make_tuple(static_cast<int*>(a1), 3)); + ASSERT_EQ(3U, a3.size()); + EXPECT_EQ(0, a3.begin()[0]); + EXPECT_EQ(1, a3.begin()[1]); + EXPECT_EQ(2, a3.begin()[2]); + + // Makes sure a1 and a3 aren't aliases. + a1[0] = 3; + EXPECT_EQ(0, a3.begin()[0]); +} + +} // namespace +} // namespace internal +} // namespace testing |