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// 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.
// 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
// their 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
namespace proto2 {
class Message;
} // namespace proto2
namespace testing {
namespace internal {
namespace {
TEST(JoinAsTupleTest, JoinsEmptyTuple) {
EXPECT_EQ("", JoinAsTuple(Strings()));
}
TEST(JoinAsTupleTest, JoinsOneTuple) {
const char* fields[] = {"1"};
EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1)));
}
TEST(JoinAsTupleTest, JoinsTwoTuple) {
const char* fields[] = {"1", "a"};
EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2)));
}
TEST(JoinAsTupleTest, JoinsTenTuple) {
const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)",
JoinAsTuple(Strings(fields, fields + 10)));
}
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<int, PointeeOf<std::unique_ptr<int> >::type>();
CompileAssertTypesEqual<std::string,
PointeeOf<std::shared_ptr<std::string> >::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_p1 = new const char('a'); // NOLINT
const std::unique_ptr<const char> p1(raw_p1);
EXPECT_EQ(raw_p1, GetRawPointer(p1));
double* const raw_p2 = new double(2.5); // NOLINT
const std::shared_ptr<double> p2(raw_p2);
EXPECT_EQ(raw_p2, GetRawPointer(p2));
}
TEST(GetRawPointerTest, WorksForRawPointers) {
int* p = nullptr;
EXPECT_TRUE(nullptr == 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) {
std::tuple<> matchers;
std::tuple<> values;
EXPECT_TRUE(TupleMatches(matchers, values));
}
TEST(TupleMatchesTest, WorksForSize1) {
std::tuple<Matcher<int> > matchers(Eq(1));
std::tuple<int> values1(1), values2(2);
EXPECT_TRUE(TupleMatches(matchers, values1));
EXPECT_FALSE(TupleMatches(matchers, values2));
}
TEST(TupleMatchesTest, WorksForSize2) {
std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
std::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) {
std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
Matcher<long>, // NOLINT
Matcher<std::string> >
matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
std::tuple<int, char, bool, long, std::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:
void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); }
void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; }
std::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 std::string& verbosity, LogSeverity severity,
bool should_print) {
const std::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 std::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 {
std::string CurrentStackTrace(int max_depth, int skip_count) override {
return (testing::Message() << max_depth << "::" << skip_count << "\n")
.GetString();
}
void UponLeavingGTest() override {}
};
// 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 std::string log = GetCapturedStdout();
std::string expected_trace =
(testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
std::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(nullptr);
}
// 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, 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 std::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<std::tuple<const int*, size_t> >::type>();
StaticAssertTypeEq<
NativeArray<double>,
StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
StaticAssertTypeEq<
const NativeArray<int>,
StlContainerView<std::tuple<const int*, int> >::const_reference>();
int a1[3] = { 0, 1, 2 };
const int* const p1 = a1;
NativeArray<int> a2 =
StlContainerView<std::tuple<const int*, int> >::ConstReference(
std::make_tuple(p1, 3));
EXPECT_EQ(3U, a2.size());
EXPECT_EQ(a1, a2.begin());
const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
std::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]);
}
// Tests the Function template struct.
TEST(FunctionTest, Nullary) {
typedef Function<int()> F; // NOLINT
EXPECT_EQ(0u, F::ArgumentCount);
CompileAssertTypesEqual<int, F::Result>();
CompileAssertTypesEqual<std::tuple<>, F::ArgumentTuple>();
CompileAssertTypesEqual<std::tuple<>, F::ArgumentMatcherTuple>();
CompileAssertTypesEqual<void(), F::MakeResultVoid>();
CompileAssertTypesEqual<IgnoredValue(), F::MakeResultIgnoredValue>();
}
TEST(FunctionTest, Unary) {
typedef Function<int(bool)> F; // NOLINT
EXPECT_EQ(1u, F::ArgumentCount);
CompileAssertTypesEqual<int, F::Result>();
CompileAssertTypesEqual<bool, F::Arg<0>::type>();
CompileAssertTypesEqual<std::tuple<bool>, F::ArgumentTuple>();
CompileAssertTypesEqual<std::tuple<Matcher<bool> >,
F::ArgumentMatcherTuple>();
CompileAssertTypesEqual<void(bool), F::MakeResultVoid>(); // NOLINT
CompileAssertTypesEqual<IgnoredValue(bool), // NOLINT
F::MakeResultIgnoredValue>();
}
TEST(FunctionTest, Binary) {
typedef Function<int(bool, const long&)> F; // NOLINT
EXPECT_EQ(2u, F::ArgumentCount);
CompileAssertTypesEqual<int, F::Result>();
CompileAssertTypesEqual<bool, F::Arg<0>::type>();
CompileAssertTypesEqual<const long&, F::Arg<1>::type>(); // NOLINT
CompileAssertTypesEqual<std::tuple<bool, const long&>, // NOLINT
F::ArgumentTuple>();
CompileAssertTypesEqual<
std::tuple<Matcher<bool>, Matcher<const long&> >, // NOLINT
F::ArgumentMatcherTuple>();
CompileAssertTypesEqual<void(bool, const long&), F::MakeResultVoid>(); // NOLINT
CompileAssertTypesEqual<IgnoredValue(bool, const long&), // NOLINT
F::MakeResultIgnoredValue>();
}
TEST(FunctionTest, LongArgumentList) {
typedef Function<char(bool, int, char*, int&, const long&)> F; // NOLINT
EXPECT_EQ(5u, F::ArgumentCount);
CompileAssertTypesEqual<char, F::Result>();
CompileAssertTypesEqual<bool, F::Arg<0>::type>();
CompileAssertTypesEqual<int, F::Arg<1>::type>();
CompileAssertTypesEqual<char*, F::Arg<2>::type>();
CompileAssertTypesEqual<int&, F::Arg<3>::type>();
CompileAssertTypesEqual<const long&, F::Arg<4>::type>(); // NOLINT
CompileAssertTypesEqual<
std::tuple<bool, int, char*, int&, const long&>, // NOLINT
F::ArgumentTuple>();
CompileAssertTypesEqual<
std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
Matcher<const long&> >, // NOLINT
F::ArgumentMatcherTuple>();
CompileAssertTypesEqual<void(bool, int, char*, int&, const long&), // NOLINT
F::MakeResultVoid>();
CompileAssertTypesEqual<
IgnoredValue(bool, int, char*, int&, const long&), // NOLINT
F::MakeResultIgnoredValue>();
}
} // namespace
} // namespace internal
} // namespace testing
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