// 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 <string> #include <sstream> #include <vector> #include "gmock/gmock.h" #include "gmock/internal/gmock-port.h" #include "gtest/gtest.h" #include "gtest/gtest-spi.h" #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 { using ::std::tr1::make_tuple; using ::std::tr1::tuple; 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>(); } TEST(PointeeOfTest, WorksForRawPointers) { CompileAssertTypesEqual<int, PointeeOf<int*>::type>(); CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>(); CompileAssertTypesEqual<void, PointeeOf<void*>::type>(); } TEST(GetRawPointerTest, WorksForSmartPointers) { 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)); if (sizeof(double) == sizeof(long double)) { // NOLINT // 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() { // The code needs to work when both ::string and ::std::string are // defined and the flag is implemented as a // testing::internal::String. In this case, without the call to // c_str(), the compiler will complain that it cannot figure out // whether the String flag should be converted to a ::string or an // ::std::string before being assigned to original_verbose_. original_verbose_ = GMOCK_FLAG(verbose).c_str(); } virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; } string original_verbose_; }; TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) { GMOCK_FLAG(verbose) = kInfoVerbosity; EXPECT_TRUE(LogIsVisible(INFO)); EXPECT_TRUE(LogIsVisible(WARNING)); } TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) { GMOCK_FLAG(verbose) = kErrorVerbosity; EXPECT_FALSE(LogIsVisible(INFO)); EXPECT_FALSE(LogIsVisible(WARNING)); } TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) { GMOCK_FLAG(verbose) = kWarningVerbosity; EXPECT_FALSE(LogIsVisible(INFO)); EXPECT_TRUE(LogIsVisible(WARNING)); } #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 == WARNING ? "^\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(INFO, "Test log.\n", -1); EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str()); GMOCK_FLAG(verbose) = saved_flag; } // Tests that in opt mode, a positive stack_frames_to_skip argument is // treated as 0. TEST(LogTest, NoSkippingStackFrameInOptMode) { CaptureStdout(); Log(WARNING, "Test log.\n", 100); const String log = GetCapturedStdout(); # if defined(NDEBUG) && GTEST_GOOGLE3_MODE_ // In opt mode, no stack frame should be skipped. EXPECT_THAT(log, ContainsRegex("\nGMOCK WARNING:\n" "Test log\\.\n" "Stack trace:\n" ".+")); # else // In dbg mode, the stack frames should be skipped. EXPECT_STREQ("\nGMOCK WARNING:\n" "Test log.\n" "Stack trace:\n", log.c_str()); # endif } // Tests that all logs are printed when the value of the // --gmock_verbose flag is "info". TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) { TestLogWithSeverity(kInfoVerbosity, INFO, true); TestLogWithSeverity(kInfoVerbosity, WARNING, true); } // Tests that only warnings are printed when the value of the // --gmock_verbose flag is "warning". TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) { TestLogWithSeverity(kWarningVerbosity, INFO, false); TestLogWithSeverity(kWarningVerbosity, WARNING, true); } // Tests that no logs are printed when the value of the // --gmock_verbose flag is "error". TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) { TestLogWithSeverity(kErrorVerbosity, INFO, false); TestLogWithSeverity(kErrorVerbosity, WARNING, false); } // Tests that only warnings are printed when the value of the // --gmock_verbose flag is invalid. TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) { TestLogWithSeverity("invalid", INFO, false); TestLogWithSeverity("invalid", WARNING, 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. 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(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(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(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