1412 lines
44 KiB
C++
1412 lines
44 KiB
C++
// Copyright 2007, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: wan@google.com (Zhanyong Wan)
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// Google Mock - a framework for writing C++ mock classes.
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//
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// This file tests the built-in actions.
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#include "gmock/gmock-actions.h"
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#include <algorithm>
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#include <iterator>
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#include <memory>
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#include <string>
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#include "gmock/gmock.h"
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#include "gmock/internal/gmock-port.h"
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#include "gtest/gtest.h"
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#include "gtest/gtest-spi.h"
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namespace {
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// This list should be kept sorted.
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using testing::Action;
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using testing::ActionInterface;
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using testing::Assign;
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using testing::ByMove;
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using testing::ByRef;
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using testing::DefaultValue;
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using testing::DoDefault;
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using testing::IgnoreResult;
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using testing::Invoke;
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using testing::InvokeWithoutArgs;
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using testing::MakePolymorphicAction;
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using testing::Ne;
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using testing::PolymorphicAction;
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using testing::Return;
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using testing::ReturnNull;
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using testing::ReturnRef;
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using testing::ReturnRefOfCopy;
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using testing::SetArgPointee;
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using testing::SetArgumentPointee;
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using testing::_;
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using testing::get;
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using testing::internal::BuiltInDefaultValue;
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using testing::internal::Int64;
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using testing::internal::UInt64;
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using testing::make_tuple;
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using testing::tuple;
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using testing::tuple_element;
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#if !GTEST_OS_WINDOWS_MOBILE
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using testing::SetErrnoAndReturn;
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#endif
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#if GTEST_HAS_PROTOBUF_
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using testing::internal::TestMessage;
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#endif // GTEST_HAS_PROTOBUF_
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// Tests that BuiltInDefaultValue<T*>::Get() returns NULL.
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TEST(BuiltInDefaultValueTest, IsNullForPointerTypes) {
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EXPECT_TRUE(BuiltInDefaultValue<int*>::Get() == NULL);
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EXPECT_TRUE(BuiltInDefaultValue<const char*>::Get() == NULL);
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EXPECT_TRUE(BuiltInDefaultValue<void*>::Get() == NULL);
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}
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// Tests that BuiltInDefaultValue<T*>::Exists() return true.
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TEST(BuiltInDefaultValueTest, ExistsForPointerTypes) {
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EXPECT_TRUE(BuiltInDefaultValue<int*>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<const char*>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<void*>::Exists());
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}
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// Tests that BuiltInDefaultValue<T>::Get() returns 0 when T is a
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// built-in numeric type.
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TEST(BuiltInDefaultValueTest, IsZeroForNumericTypes) {
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EXPECT_EQ(0U, BuiltInDefaultValue<unsigned char>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<signed char>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<char>::Get());
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#if GMOCK_HAS_SIGNED_WCHAR_T_
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EXPECT_EQ(0U, BuiltInDefaultValue<unsigned wchar_t>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<signed wchar_t>::Get());
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#endif
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#if GMOCK_WCHAR_T_IS_NATIVE_
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EXPECT_EQ(0, BuiltInDefaultValue<wchar_t>::Get());
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#endif
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EXPECT_EQ(0U, BuiltInDefaultValue<unsigned short>::Get()); // NOLINT
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EXPECT_EQ(0, BuiltInDefaultValue<signed short>::Get()); // NOLINT
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EXPECT_EQ(0, BuiltInDefaultValue<short>::Get()); // NOLINT
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EXPECT_EQ(0U, BuiltInDefaultValue<unsigned int>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<signed int>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<int>::Get());
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EXPECT_EQ(0U, BuiltInDefaultValue<unsigned long>::Get()); // NOLINT
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EXPECT_EQ(0, BuiltInDefaultValue<signed long>::Get()); // NOLINT
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EXPECT_EQ(0, BuiltInDefaultValue<long>::Get()); // NOLINT
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EXPECT_EQ(0U, BuiltInDefaultValue<UInt64>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<Int64>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<float>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<double>::Get());
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}
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// Tests that BuiltInDefaultValue<T>::Exists() returns true when T is a
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// built-in numeric type.
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TEST(BuiltInDefaultValueTest, ExistsForNumericTypes) {
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EXPECT_TRUE(BuiltInDefaultValue<unsigned char>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<signed char>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<char>::Exists());
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#if GMOCK_HAS_SIGNED_WCHAR_T_
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EXPECT_TRUE(BuiltInDefaultValue<unsigned wchar_t>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<signed wchar_t>::Exists());
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#endif
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#if GMOCK_WCHAR_T_IS_NATIVE_
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EXPECT_TRUE(BuiltInDefaultValue<wchar_t>::Exists());
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#endif
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EXPECT_TRUE(BuiltInDefaultValue<unsigned short>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<signed short>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<short>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<unsigned int>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<signed int>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<int>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<unsigned long>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<signed long>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<long>::Exists()); // NOLINT
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EXPECT_TRUE(BuiltInDefaultValue<UInt64>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<Int64>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<float>::Exists());
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EXPECT_TRUE(BuiltInDefaultValue<double>::Exists());
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}
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// Tests that BuiltInDefaultValue<bool>::Get() returns false.
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TEST(BuiltInDefaultValueTest, IsFalseForBool) {
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EXPECT_FALSE(BuiltInDefaultValue<bool>::Get());
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}
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// Tests that BuiltInDefaultValue<bool>::Exists() returns true.
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TEST(BuiltInDefaultValueTest, BoolExists) {
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EXPECT_TRUE(BuiltInDefaultValue<bool>::Exists());
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}
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// Tests that BuiltInDefaultValue<T>::Get() returns "" when T is a
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// string type.
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TEST(BuiltInDefaultValueTest, IsEmptyStringForString) {
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#if GTEST_HAS_GLOBAL_STRING
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EXPECT_EQ("", BuiltInDefaultValue< ::string>::Get());
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#endif // GTEST_HAS_GLOBAL_STRING
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EXPECT_EQ("", BuiltInDefaultValue< ::std::string>::Get());
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}
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// Tests that BuiltInDefaultValue<T>::Exists() returns true when T is a
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// string type.
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TEST(BuiltInDefaultValueTest, ExistsForString) {
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#if GTEST_HAS_GLOBAL_STRING
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EXPECT_TRUE(BuiltInDefaultValue< ::string>::Exists());
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#endif // GTEST_HAS_GLOBAL_STRING
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EXPECT_TRUE(BuiltInDefaultValue< ::std::string>::Exists());
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}
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// Tests that BuiltInDefaultValue<const T>::Get() returns the same
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// value as BuiltInDefaultValue<T>::Get() does.
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TEST(BuiltInDefaultValueTest, WorksForConstTypes) {
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EXPECT_EQ("", BuiltInDefaultValue<const std::string>::Get());
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EXPECT_EQ(0, BuiltInDefaultValue<const int>::Get());
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EXPECT_TRUE(BuiltInDefaultValue<char* const>::Get() == NULL);
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EXPECT_FALSE(BuiltInDefaultValue<const bool>::Get());
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}
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// A type that's default constructible.
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class MyDefaultConstructible {
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public:
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MyDefaultConstructible() : value_(42) {}
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int value() const { return value_; }
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private:
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int value_;
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};
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// A type that's not default constructible.
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class MyNonDefaultConstructible {
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public:
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// Does not have a default ctor.
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explicit MyNonDefaultConstructible(int a_value) : value_(a_value) {}
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int value() const { return value_; }
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private:
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int value_;
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};
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#if GTEST_HAS_STD_TYPE_TRAITS_
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TEST(BuiltInDefaultValueTest, ExistsForDefaultConstructibleType) {
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EXPECT_TRUE(BuiltInDefaultValue<MyDefaultConstructible>::Exists());
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}
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TEST(BuiltInDefaultValueTest, IsDefaultConstructedForDefaultConstructibleType) {
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EXPECT_EQ(42, BuiltInDefaultValue<MyDefaultConstructible>::Get().value());
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}
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#endif // GTEST_HAS_STD_TYPE_TRAITS_
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TEST(BuiltInDefaultValueTest, DoesNotExistForNonDefaultConstructibleType) {
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EXPECT_FALSE(BuiltInDefaultValue<MyNonDefaultConstructible>::Exists());
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}
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// Tests that BuiltInDefaultValue<T&>::Get() aborts the program.
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TEST(BuiltInDefaultValueDeathTest, IsUndefinedForReferences) {
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EXPECT_DEATH_IF_SUPPORTED({
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BuiltInDefaultValue<int&>::Get();
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}, "");
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EXPECT_DEATH_IF_SUPPORTED({
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BuiltInDefaultValue<const char&>::Get();
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}, "");
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}
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TEST(BuiltInDefaultValueDeathTest, IsUndefinedForNonDefaultConstructibleType) {
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EXPECT_DEATH_IF_SUPPORTED({
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BuiltInDefaultValue<MyNonDefaultConstructible>::Get();
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}, "");
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}
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// Tests that DefaultValue<T>::IsSet() is false initially.
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TEST(DefaultValueTest, IsInitiallyUnset) {
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EXPECT_FALSE(DefaultValue<int>::IsSet());
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EXPECT_FALSE(DefaultValue<MyDefaultConstructible>::IsSet());
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EXPECT_FALSE(DefaultValue<const MyNonDefaultConstructible>::IsSet());
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}
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// Tests that DefaultValue<T> can be set and then unset.
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TEST(DefaultValueTest, CanBeSetAndUnset) {
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EXPECT_TRUE(DefaultValue<int>::Exists());
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EXPECT_FALSE(DefaultValue<const MyNonDefaultConstructible>::Exists());
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DefaultValue<int>::Set(1);
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DefaultValue<const MyNonDefaultConstructible>::Set(
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MyNonDefaultConstructible(42));
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EXPECT_EQ(1, DefaultValue<int>::Get());
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EXPECT_EQ(42, DefaultValue<const MyNonDefaultConstructible>::Get().value());
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EXPECT_TRUE(DefaultValue<int>::Exists());
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EXPECT_TRUE(DefaultValue<const MyNonDefaultConstructible>::Exists());
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DefaultValue<int>::Clear();
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DefaultValue<const MyNonDefaultConstructible>::Clear();
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EXPECT_FALSE(DefaultValue<int>::IsSet());
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EXPECT_FALSE(DefaultValue<const MyNonDefaultConstructible>::IsSet());
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EXPECT_TRUE(DefaultValue<int>::Exists());
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EXPECT_FALSE(DefaultValue<const MyNonDefaultConstructible>::Exists());
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}
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// Tests that DefaultValue<T>::Get() returns the
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// BuiltInDefaultValue<T>::Get() when DefaultValue<T>::IsSet() is
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// false.
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TEST(DefaultValueDeathTest, GetReturnsBuiltInDefaultValueWhenUnset) {
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EXPECT_FALSE(DefaultValue<int>::IsSet());
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EXPECT_TRUE(DefaultValue<int>::Exists());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible>::IsSet());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible>::Exists());
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EXPECT_EQ(0, DefaultValue<int>::Get());
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EXPECT_DEATH_IF_SUPPORTED({
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DefaultValue<MyNonDefaultConstructible>::Get();
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}, "");
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}
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#if GTEST_HAS_STD_UNIQUE_PTR_
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TEST(DefaultValueTest, GetWorksForMoveOnlyIfSet) {
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EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Exists());
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EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Get() == NULL);
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DefaultValue<std::unique_ptr<int>>::SetFactory([] {
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return std::unique_ptr<int>(new int(42));
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});
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EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Exists());
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std::unique_ptr<int> i = DefaultValue<std::unique_ptr<int>>::Get();
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EXPECT_EQ(42, *i);
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}
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#endif // GTEST_HAS_STD_UNIQUE_PTR_
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// Tests that DefaultValue<void>::Get() returns void.
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TEST(DefaultValueTest, GetWorksForVoid) {
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return DefaultValue<void>::Get();
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}
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// Tests using DefaultValue with a reference type.
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// Tests that DefaultValue<T&>::IsSet() is false initially.
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TEST(DefaultValueOfReferenceTest, IsInitiallyUnset) {
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EXPECT_FALSE(DefaultValue<int&>::IsSet());
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EXPECT_FALSE(DefaultValue<MyDefaultConstructible&>::IsSet());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet());
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}
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// Tests that DefaultValue<T&>::Exists is false initiallly.
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TEST(DefaultValueOfReferenceTest, IsInitiallyNotExisting) {
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EXPECT_FALSE(DefaultValue<int&>::Exists());
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EXPECT_FALSE(DefaultValue<MyDefaultConstructible&>::Exists());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::Exists());
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}
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// Tests that DefaultValue<T&> can be set and then unset.
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TEST(DefaultValueOfReferenceTest, CanBeSetAndUnset) {
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int n = 1;
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DefaultValue<const int&>::Set(n);
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MyNonDefaultConstructible x(42);
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DefaultValue<MyNonDefaultConstructible&>::Set(x);
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EXPECT_TRUE(DefaultValue<const int&>::Exists());
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EXPECT_TRUE(DefaultValue<MyNonDefaultConstructible&>::Exists());
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EXPECT_EQ(&n, &(DefaultValue<const int&>::Get()));
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EXPECT_EQ(&x, &(DefaultValue<MyNonDefaultConstructible&>::Get()));
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DefaultValue<const int&>::Clear();
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DefaultValue<MyNonDefaultConstructible&>::Clear();
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EXPECT_FALSE(DefaultValue<const int&>::Exists());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::Exists());
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EXPECT_FALSE(DefaultValue<const int&>::IsSet());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet());
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}
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// Tests that DefaultValue<T&>::Get() returns the
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// BuiltInDefaultValue<T&>::Get() when DefaultValue<T&>::IsSet() is
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// false.
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TEST(DefaultValueOfReferenceDeathTest, GetReturnsBuiltInDefaultValueWhenUnset) {
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EXPECT_FALSE(DefaultValue<int&>::IsSet());
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EXPECT_FALSE(DefaultValue<MyNonDefaultConstructible&>::IsSet());
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EXPECT_DEATH_IF_SUPPORTED({
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DefaultValue<int&>::Get();
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}, "");
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EXPECT_DEATH_IF_SUPPORTED({
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DefaultValue<MyNonDefaultConstructible>::Get();
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}, "");
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}
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// Tests that ActionInterface can be implemented by defining the
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// Perform method.
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typedef int MyGlobalFunction(bool, int);
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class MyActionImpl : public ActionInterface<MyGlobalFunction> {
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public:
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virtual int Perform(const tuple<bool, int>& args) {
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return get<0>(args) ? get<1>(args) : 0;
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}
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};
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TEST(ActionInterfaceTest, CanBeImplementedByDefiningPerform) {
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MyActionImpl my_action_impl;
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(void)my_action_impl;
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}
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TEST(ActionInterfaceTest, MakeAction) {
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Action<MyGlobalFunction> action = MakeAction(new MyActionImpl);
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// When exercising the Perform() method of Action<F>, we must pass
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// it a tuple whose size and type are compatible with F's argument
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// types. For example, if F is int(), then Perform() takes a
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// 0-tuple; if F is void(bool, int), then Perform() takes a
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// tuple<bool, int>, and so on.
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EXPECT_EQ(5, action.Perform(make_tuple(true, 5)));
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}
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// Tests that Action<F> can be contructed from a pointer to
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// ActionInterface<F>.
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TEST(ActionTest, CanBeConstructedFromActionInterface) {
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Action<MyGlobalFunction> action(new MyActionImpl);
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}
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// Tests that Action<F> delegates actual work to ActionInterface<F>.
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TEST(ActionTest, DelegatesWorkToActionInterface) {
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const Action<MyGlobalFunction> action(new MyActionImpl);
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EXPECT_EQ(5, action.Perform(make_tuple(true, 5)));
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EXPECT_EQ(0, action.Perform(make_tuple(false, 1)));
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}
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// Tests that Action<F> can be copied.
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TEST(ActionTest, IsCopyable) {
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Action<MyGlobalFunction> a1(new MyActionImpl);
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Action<MyGlobalFunction> a2(a1); // Tests the copy constructor.
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// a1 should continue to work after being copied from.
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EXPECT_EQ(5, a1.Perform(make_tuple(true, 5)));
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EXPECT_EQ(0, a1.Perform(make_tuple(false, 1)));
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// a2 should work like the action it was copied from.
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EXPECT_EQ(5, a2.Perform(make_tuple(true, 5)));
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EXPECT_EQ(0, a2.Perform(make_tuple(false, 1)));
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a2 = a1; // Tests the assignment operator.
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// a1 should continue to work after being copied from.
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EXPECT_EQ(5, a1.Perform(make_tuple(true, 5)));
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EXPECT_EQ(0, a1.Perform(make_tuple(false, 1)));
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// a2 should work like the action it was copied from.
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EXPECT_EQ(5, a2.Perform(make_tuple(true, 5)));
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EXPECT_EQ(0, a2.Perform(make_tuple(false, 1)));
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}
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// Tests that an Action<From> object can be converted to a
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// compatible Action<To> object.
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class IsNotZero : public ActionInterface<bool(int)> { // NOLINT
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public:
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virtual bool Perform(const tuple<int>& arg) {
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return get<0>(arg) != 0;
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}
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};
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#if !GTEST_OS_SYMBIAN
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// Compiling this test on Nokia's Symbian compiler fails with:
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// 'Result' is not a member of class 'testing::internal::Function<int>'
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// (point of instantiation: '@unnamed@gmock_actions_test_cc@::
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// ActionTest_CanBeConvertedToOtherActionType_Test::TestBody()')
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// with no obvious fix.
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TEST(ActionTest, CanBeConvertedToOtherActionType) {
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const Action<bool(int)> a1(new IsNotZero); // NOLINT
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const Action<int(char)> a2 = Action<int(char)>(a1); // NOLINT
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EXPECT_EQ(1, a2.Perform(make_tuple('a')));
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EXPECT_EQ(0, a2.Perform(make_tuple('\0')));
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}
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#endif // !GTEST_OS_SYMBIAN
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// The following two classes are for testing MakePolymorphicAction().
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// Implements a polymorphic action that returns the second of the
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// arguments it receives.
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class ReturnSecondArgumentAction {
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public:
|
|
// We want to verify that MakePolymorphicAction() can work with a
|
|
// polymorphic action whose Perform() method template is either
|
|
// const or not. This lets us verify the non-const case.
|
|
template <typename Result, typename ArgumentTuple>
|
|
Result Perform(const ArgumentTuple& args) { return get<1>(args); }
|
|
};
|
|
|
|
// Implements a polymorphic action that can be used in a nullary
|
|
// function to return 0.
|
|
class ReturnZeroFromNullaryFunctionAction {
|
|
public:
|
|
// For testing that MakePolymorphicAction() works when the
|
|
// implementation class' Perform() method template takes only one
|
|
// template parameter.
|
|
//
|
|
// We want to verify that MakePolymorphicAction() can work with a
|
|
// polymorphic action whose Perform() method template is either
|
|
// const or not. This lets us verify the const case.
|
|
template <typename Result>
|
|
Result Perform(const tuple<>&) const { return 0; }
|
|
};
|
|
|
|
// These functions verify that MakePolymorphicAction() returns a
|
|
// PolymorphicAction<T> where T is the argument's type.
|
|
|
|
PolymorphicAction<ReturnSecondArgumentAction> ReturnSecondArgument() {
|
|
return MakePolymorphicAction(ReturnSecondArgumentAction());
|
|
}
|
|
|
|
PolymorphicAction<ReturnZeroFromNullaryFunctionAction>
|
|
ReturnZeroFromNullaryFunction() {
|
|
return MakePolymorphicAction(ReturnZeroFromNullaryFunctionAction());
|
|
}
|
|
|
|
// Tests that MakePolymorphicAction() turns a polymorphic action
|
|
// implementation class into a polymorphic action.
|
|
TEST(MakePolymorphicActionTest, ConstructsActionFromImpl) {
|
|
Action<int(bool, int, double)> a1 = ReturnSecondArgument(); // NOLINT
|
|
EXPECT_EQ(5, a1.Perform(make_tuple(false, 5, 2.0)));
|
|
}
|
|
|
|
// Tests that MakePolymorphicAction() works when the implementation
|
|
// class' Perform() method template has only one template parameter.
|
|
TEST(MakePolymorphicActionTest, WorksWhenPerformHasOneTemplateParameter) {
|
|
Action<int()> a1 = ReturnZeroFromNullaryFunction();
|
|
EXPECT_EQ(0, a1.Perform(make_tuple()));
|
|
|
|
Action<void*()> a2 = ReturnZeroFromNullaryFunction();
|
|
EXPECT_TRUE(a2.Perform(make_tuple()) == NULL);
|
|
}
|
|
|
|
// Tests that Return() works as an action for void-returning
|
|
// functions.
|
|
TEST(ReturnTest, WorksForVoid) {
|
|
const Action<void(int)> ret = Return(); // NOLINT
|
|
return ret.Perform(make_tuple(1));
|
|
}
|
|
|
|
// Tests that Return(v) returns v.
|
|
TEST(ReturnTest, ReturnsGivenValue) {
|
|
Action<int()> ret = Return(1); // NOLINT
|
|
EXPECT_EQ(1, ret.Perform(make_tuple()));
|
|
|
|
ret = Return(-5);
|
|
EXPECT_EQ(-5, ret.Perform(make_tuple()));
|
|
}
|
|
|
|
// Tests that Return("string literal") works.
|
|
TEST(ReturnTest, AcceptsStringLiteral) {
|
|
Action<const char*()> a1 = Return("Hello");
|
|
EXPECT_STREQ("Hello", a1.Perform(make_tuple()));
|
|
|
|
Action<std::string()> a2 = Return("world");
|
|
EXPECT_EQ("world", a2.Perform(make_tuple()));
|
|
}
|
|
|
|
// Test struct which wraps a vector of integers. Used in
|
|
// 'SupportsWrapperReturnType' test.
|
|
struct IntegerVectorWrapper {
|
|
std::vector<int> * v;
|
|
IntegerVectorWrapper(std::vector<int>& _v) : v(&_v) {} // NOLINT
|
|
};
|
|
|
|
// Tests that Return() works when return type is a wrapper type.
|
|
TEST(ReturnTest, SupportsWrapperReturnType) {
|
|
// Initialize vector of integers.
|
|
std::vector<int> v;
|
|
for (int i = 0; i < 5; ++i) v.push_back(i);
|
|
|
|
// Return() called with 'v' as argument. The Action will return the same data
|
|
// as 'v' (copy) but it will be wrapped in an IntegerVectorWrapper.
|
|
Action<IntegerVectorWrapper()> a = Return(v);
|
|
const std::vector<int>& result = *(a.Perform(make_tuple()).v);
|
|
EXPECT_THAT(result, ::testing::ElementsAre(0, 1, 2, 3, 4));
|
|
}
|
|
|
|
// Tests that Return(v) is covaraint.
|
|
|
|
struct Base {
|
|
bool operator==(const Base&) { return true; }
|
|
};
|
|
|
|
struct Derived : public Base {
|
|
bool operator==(const Derived&) { return true; }
|
|
};
|
|
|
|
TEST(ReturnTest, IsCovariant) {
|
|
Base base;
|
|
Derived derived;
|
|
Action<Base*()> ret = Return(&base);
|
|
EXPECT_EQ(&base, ret.Perform(make_tuple()));
|
|
|
|
ret = Return(&derived);
|
|
EXPECT_EQ(&derived, ret.Perform(make_tuple()));
|
|
}
|
|
|
|
// Tests that the type of the value passed into Return is converted into T
|
|
// when the action is cast to Action<T(...)> rather than when the action is
|
|
// performed. See comments on testing::internal::ReturnAction in
|
|
// gmock-actions.h for more information.
|
|
class FromType {
|
|
public:
|
|
explicit FromType(bool* is_converted) : converted_(is_converted) {}
|
|
bool* converted() const { return converted_; }
|
|
|
|
private:
|
|
bool* const converted_;
|
|
|
|
GTEST_DISALLOW_ASSIGN_(FromType);
|
|
};
|
|
|
|
class ToType {
|
|
public:
|
|
// Must allow implicit conversion due to use in ImplicitCast_<T>.
|
|
ToType(const FromType& x) { *x.converted() = true; } // NOLINT
|
|
};
|
|
|
|
TEST(ReturnTest, ConvertsArgumentWhenConverted) {
|
|
bool converted = false;
|
|
FromType x(&converted);
|
|
Action<ToType()> action(Return(x));
|
|
EXPECT_TRUE(converted) << "Return must convert its argument in its own "
|
|
<< "conversion operator.";
|
|
converted = false;
|
|
action.Perform(tuple<>());
|
|
EXPECT_FALSE(converted) << "Action must NOT convert its argument "
|
|
<< "when performed.";
|
|
}
|
|
|
|
class DestinationType {};
|
|
|
|
class SourceType {
|
|
public:
|
|
// Note: a non-const typecast operator.
|
|
operator DestinationType() { return DestinationType(); }
|
|
};
|
|
|
|
TEST(ReturnTest, CanConvertArgumentUsingNonConstTypeCastOperator) {
|
|
SourceType s;
|
|
Action<DestinationType()> action(Return(s));
|
|
}
|
|
|
|
// Tests that ReturnNull() returns NULL in a pointer-returning function.
|
|
TEST(ReturnNullTest, WorksInPointerReturningFunction) {
|
|
const Action<int*()> a1 = ReturnNull();
|
|
EXPECT_TRUE(a1.Perform(make_tuple()) == NULL);
|
|
|
|
const Action<const char*(bool)> a2 = ReturnNull(); // NOLINT
|
|
EXPECT_TRUE(a2.Perform(make_tuple(true)) == NULL);
|
|
}
|
|
|
|
#if GTEST_HAS_STD_UNIQUE_PTR_
|
|
// Tests that ReturnNull() returns NULL for shared_ptr and unique_ptr returning
|
|
// functions.
|
|
TEST(ReturnNullTest, WorksInSmartPointerReturningFunction) {
|
|
const Action<std::unique_ptr<const int>()> a1 = ReturnNull();
|
|
EXPECT_TRUE(a1.Perform(make_tuple()) == nullptr);
|
|
|
|
const Action<std::shared_ptr<int>(std::string)> a2 = ReturnNull();
|
|
EXPECT_TRUE(a2.Perform(make_tuple("foo")) == nullptr);
|
|
}
|
|
#endif // GTEST_HAS_STD_UNIQUE_PTR_
|
|
|
|
// Tests that ReturnRef(v) works for reference types.
|
|
TEST(ReturnRefTest, WorksForReference) {
|
|
const int n = 0;
|
|
const Action<const int&(bool)> ret = ReturnRef(n); // NOLINT
|
|
|
|
EXPECT_EQ(&n, &ret.Perform(make_tuple(true)));
|
|
}
|
|
|
|
// Tests that ReturnRef(v) is covariant.
|
|
TEST(ReturnRefTest, IsCovariant) {
|
|
Base base;
|
|
Derived derived;
|
|
Action<Base&()> a = ReturnRef(base);
|
|
EXPECT_EQ(&base, &a.Perform(make_tuple()));
|
|
|
|
a = ReturnRef(derived);
|
|
EXPECT_EQ(&derived, &a.Perform(make_tuple()));
|
|
}
|
|
|
|
// Tests that ReturnRefOfCopy(v) works for reference types.
|
|
TEST(ReturnRefOfCopyTest, WorksForReference) {
|
|
int n = 42;
|
|
const Action<const int&()> ret = ReturnRefOfCopy(n);
|
|
|
|
EXPECT_NE(&n, &ret.Perform(make_tuple()));
|
|
EXPECT_EQ(42, ret.Perform(make_tuple()));
|
|
|
|
n = 43;
|
|
EXPECT_NE(&n, &ret.Perform(make_tuple()));
|
|
EXPECT_EQ(42, ret.Perform(make_tuple()));
|
|
}
|
|
|
|
// Tests that ReturnRefOfCopy(v) is covariant.
|
|
TEST(ReturnRefOfCopyTest, IsCovariant) {
|
|
Base base;
|
|
Derived derived;
|
|
Action<Base&()> a = ReturnRefOfCopy(base);
|
|
EXPECT_NE(&base, &a.Perform(make_tuple()));
|
|
|
|
a = ReturnRefOfCopy(derived);
|
|
EXPECT_NE(&derived, &a.Perform(make_tuple()));
|
|
}
|
|
|
|
// Tests that DoDefault() does the default action for the mock method.
|
|
|
|
class MockClass {
|
|
public:
|
|
MockClass() {}
|
|
|
|
MOCK_METHOD1(IntFunc, int(bool flag)); // NOLINT
|
|
MOCK_METHOD0(Foo, MyNonDefaultConstructible());
|
|
#if GTEST_HAS_STD_UNIQUE_PTR_
|
|
MOCK_METHOD0(MakeUnique, std::unique_ptr<int>());
|
|
MOCK_METHOD0(MakeUniqueBase, std::unique_ptr<Base>());
|
|
MOCK_METHOD0(MakeVectorUnique, std::vector<std::unique_ptr<int>>());
|
|
#endif
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockClass);
|
|
};
|
|
|
|
// Tests that DoDefault() returns the built-in default value for the
|
|
// return type by default.
|
|
TEST(DoDefaultTest, ReturnsBuiltInDefaultValueByDefault) {
|
|
MockClass mock;
|
|
EXPECT_CALL(mock, IntFunc(_))
|
|
.WillOnce(DoDefault());
|
|
EXPECT_EQ(0, mock.IntFunc(true));
|
|
}
|
|
|
|
// Tests that DoDefault() throws (when exceptions are enabled) or aborts
|
|
// the process when there is no built-in default value for the return type.
|
|
TEST(DoDefaultDeathTest, DiesForUnknowType) {
|
|
MockClass mock;
|
|
EXPECT_CALL(mock, Foo())
|
|
.WillRepeatedly(DoDefault());
|
|
#if GTEST_HAS_EXCEPTIONS
|
|
EXPECT_ANY_THROW(mock.Foo());
|
|
#else
|
|
EXPECT_DEATH_IF_SUPPORTED({
|
|
mock.Foo();
|
|
}, "");
|
|
#endif
|
|
}
|
|
|
|
// Tests that using DoDefault() inside a composite action leads to a
|
|
// run-time error.
|
|
|
|
void VoidFunc(bool /* flag */) {}
|
|
|
|
TEST(DoDefaultDeathTest, DiesIfUsedInCompositeAction) {
|
|
MockClass mock;
|
|
EXPECT_CALL(mock, IntFunc(_))
|
|
.WillRepeatedly(DoAll(Invoke(VoidFunc),
|
|
DoDefault()));
|
|
|
|
// Ideally we should verify the error message as well. Sadly,
|
|
// EXPECT_DEATH() can only capture stderr, while Google Mock's
|
|
// errors are printed on stdout. Therefore we have to settle for
|
|
// not verifying the message.
|
|
EXPECT_DEATH_IF_SUPPORTED({
|
|
mock.IntFunc(true);
|
|
}, "");
|
|
}
|
|
|
|
// Tests that DoDefault() returns the default value set by
|
|
// DefaultValue<T>::Set() when it's not overriden by an ON_CALL().
|
|
TEST(DoDefaultTest, ReturnsUserSpecifiedPerTypeDefaultValueWhenThereIsOne) {
|
|
DefaultValue<int>::Set(1);
|
|
MockClass mock;
|
|
EXPECT_CALL(mock, IntFunc(_))
|
|
.WillOnce(DoDefault());
|
|
EXPECT_EQ(1, mock.IntFunc(false));
|
|
DefaultValue<int>::Clear();
|
|
}
|
|
|
|
// Tests that DoDefault() does the action specified by ON_CALL().
|
|
TEST(DoDefaultTest, DoesWhatOnCallSpecifies) {
|
|
MockClass mock;
|
|
ON_CALL(mock, IntFunc(_))
|
|
.WillByDefault(Return(2));
|
|
EXPECT_CALL(mock, IntFunc(_))
|
|
.WillOnce(DoDefault());
|
|
EXPECT_EQ(2, mock.IntFunc(false));
|
|
}
|
|
|
|
// Tests that using DoDefault() in ON_CALL() leads to a run-time failure.
|
|
TEST(DoDefaultTest, CannotBeUsedInOnCall) {
|
|
MockClass mock;
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
|
ON_CALL(mock, IntFunc(_))
|
|
.WillByDefault(DoDefault());
|
|
}, "DoDefault() cannot be used in ON_CALL()");
|
|
}
|
|
|
|
// Tests that SetArgPointee<N>(v) sets the variable pointed to by
|
|
// the N-th (0-based) argument to v.
|
|
TEST(SetArgPointeeTest, SetsTheNthPointee) {
|
|
typedef void MyFunction(bool, int*, char*);
|
|
Action<MyFunction> a = SetArgPointee<1>(2);
|
|
|
|
int n = 0;
|
|
char ch = '\0';
|
|
a.Perform(make_tuple(true, &n, &ch));
|
|
EXPECT_EQ(2, n);
|
|
EXPECT_EQ('\0', ch);
|
|
|
|
a = SetArgPointee<2>('a');
|
|
n = 0;
|
|
ch = '\0';
|
|
a.Perform(make_tuple(true, &n, &ch));
|
|
EXPECT_EQ(0, n);
|
|
EXPECT_EQ('a', ch);
|
|
}
|
|
|
|
#if !((GTEST_GCC_VER_ && GTEST_GCC_VER_ < 40000) || GTEST_OS_SYMBIAN)
|
|
// Tests that SetArgPointee<N>() accepts a string literal.
|
|
// GCC prior to v4.0 and the Symbian compiler do not support this.
|
|
TEST(SetArgPointeeTest, AcceptsStringLiteral) {
|
|
typedef void MyFunction(std::string*, const char**);
|
|
Action<MyFunction> a = SetArgPointee<0>("hi");
|
|
std::string str;
|
|
const char* ptr = NULL;
|
|
a.Perform(make_tuple(&str, &ptr));
|
|
EXPECT_EQ("hi", str);
|
|
EXPECT_TRUE(ptr == NULL);
|
|
|
|
a = SetArgPointee<1>("world");
|
|
str = "";
|
|
a.Perform(make_tuple(&str, &ptr));
|
|
EXPECT_EQ("", str);
|
|
EXPECT_STREQ("world", ptr);
|
|
}
|
|
|
|
TEST(SetArgPointeeTest, AcceptsWideStringLiteral) {
|
|
typedef void MyFunction(const wchar_t**);
|
|
Action<MyFunction> a = SetArgPointee<0>(L"world");
|
|
const wchar_t* ptr = NULL;
|
|
a.Perform(make_tuple(&ptr));
|
|
EXPECT_STREQ(L"world", ptr);
|
|
|
|
# if GTEST_HAS_STD_WSTRING
|
|
|
|
typedef void MyStringFunction(std::wstring*);
|
|
Action<MyStringFunction> a2 = SetArgPointee<0>(L"world");
|
|
std::wstring str = L"";
|
|
a2.Perform(make_tuple(&str));
|
|
EXPECT_EQ(L"world", str);
|
|
|
|
# endif
|
|
}
|
|
#endif
|
|
|
|
// Tests that SetArgPointee<N>() accepts a char pointer.
|
|
TEST(SetArgPointeeTest, AcceptsCharPointer) {
|
|
typedef void MyFunction(bool, std::string*, const char**);
|
|
const char* const hi = "hi";
|
|
Action<MyFunction> a = SetArgPointee<1>(hi);
|
|
std::string str;
|
|
const char* ptr = NULL;
|
|
a.Perform(make_tuple(true, &str, &ptr));
|
|
EXPECT_EQ("hi", str);
|
|
EXPECT_TRUE(ptr == NULL);
|
|
|
|
char world_array[] = "world";
|
|
char* const world = world_array;
|
|
a = SetArgPointee<2>(world);
|
|
str = "";
|
|
a.Perform(make_tuple(true, &str, &ptr));
|
|
EXPECT_EQ("", str);
|
|
EXPECT_EQ(world, ptr);
|
|
}
|
|
|
|
TEST(SetArgPointeeTest, AcceptsWideCharPointer) {
|
|
typedef void MyFunction(bool, const wchar_t**);
|
|
const wchar_t* const hi = L"hi";
|
|
Action<MyFunction> a = SetArgPointee<1>(hi);
|
|
const wchar_t* ptr = NULL;
|
|
a.Perform(make_tuple(true, &ptr));
|
|
EXPECT_EQ(hi, ptr);
|
|
|
|
# if GTEST_HAS_STD_WSTRING
|
|
|
|
typedef void MyStringFunction(bool, std::wstring*);
|
|
wchar_t world_array[] = L"world";
|
|
wchar_t* const world = world_array;
|
|
Action<MyStringFunction> a2 = SetArgPointee<1>(world);
|
|
std::wstring str;
|
|
a2.Perform(make_tuple(true, &str));
|
|
EXPECT_EQ(world_array, str);
|
|
# endif
|
|
}
|
|
|
|
#if GTEST_HAS_PROTOBUF_
|
|
|
|
// Tests that SetArgPointee<N>(proto_buffer) sets the v1 protobuf
|
|
// variable pointed to by the N-th (0-based) argument to proto_buffer.
|
|
TEST(SetArgPointeeTest, SetsTheNthPointeeOfProtoBufferType) {
|
|
TestMessage* const msg = new TestMessage;
|
|
msg->set_member("yes");
|
|
TestMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, TestMessage*)> a = SetArgPointee<1>(*msg);
|
|
// SetArgPointee<N>(proto_buffer) makes a copy of proto_buffer
|
|
// s.t. the action works even when the original proto_buffer has
|
|
// died. We ensure this behavior by deleting msg before using the
|
|
// action.
|
|
delete msg;
|
|
|
|
TestMessage dest;
|
|
EXPECT_FALSE(orig_msg.Equals(dest));
|
|
a.Perform(make_tuple(true, &dest));
|
|
EXPECT_TRUE(orig_msg.Equals(dest));
|
|
}
|
|
|
|
// Tests that SetArgPointee<N>(proto_buffer) sets the
|
|
// ::ProtocolMessage variable pointed to by the N-th (0-based)
|
|
// argument to proto_buffer.
|
|
TEST(SetArgPointeeTest, SetsTheNthPointeeOfProtoBufferBaseType) {
|
|
TestMessage* const msg = new TestMessage;
|
|
msg->set_member("yes");
|
|
TestMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, ::ProtocolMessage*)> a = SetArgPointee<1>(*msg);
|
|
// SetArgPointee<N>(proto_buffer) makes a copy of proto_buffer
|
|
// s.t. the action works even when the original proto_buffer has
|
|
// died. We ensure this behavior by deleting msg before using the
|
|
// action.
|
|
delete msg;
|
|
|
|
TestMessage dest;
|
|
::ProtocolMessage* const dest_base = &dest;
|
|
EXPECT_FALSE(orig_msg.Equals(dest));
|
|
a.Perform(make_tuple(true, dest_base));
|
|
EXPECT_TRUE(orig_msg.Equals(dest));
|
|
}
|
|
|
|
// Tests that SetArgPointee<N>(proto2_buffer) sets the v2
|
|
// protobuf variable pointed to by the N-th (0-based) argument to
|
|
// proto2_buffer.
|
|
TEST(SetArgPointeeTest, SetsTheNthPointeeOfProto2BufferType) {
|
|
using testing::internal::FooMessage;
|
|
FooMessage* const msg = new FooMessage;
|
|
msg->set_int_field(2);
|
|
msg->set_string_field("hi");
|
|
FooMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, FooMessage*)> a = SetArgPointee<1>(*msg);
|
|
// SetArgPointee<N>(proto2_buffer) makes a copy of
|
|
// proto2_buffer s.t. the action works even when the original
|
|
// proto2_buffer has died. We ensure this behavior by deleting msg
|
|
// before using the action.
|
|
delete msg;
|
|
|
|
FooMessage dest;
|
|
dest.set_int_field(0);
|
|
a.Perform(make_tuple(true, &dest));
|
|
EXPECT_EQ(2, dest.int_field());
|
|
EXPECT_EQ("hi", dest.string_field());
|
|
}
|
|
|
|
// Tests that SetArgPointee<N>(proto2_buffer) sets the
|
|
// proto2::Message variable pointed to by the N-th (0-based) argument
|
|
// to proto2_buffer.
|
|
TEST(SetArgPointeeTest, SetsTheNthPointeeOfProto2BufferBaseType) {
|
|
using testing::internal::FooMessage;
|
|
FooMessage* const msg = new FooMessage;
|
|
msg->set_int_field(2);
|
|
msg->set_string_field("hi");
|
|
FooMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, ::proto2::Message*)> a = SetArgPointee<1>(*msg);
|
|
// SetArgPointee<N>(proto2_buffer) makes a copy of
|
|
// proto2_buffer s.t. the action works even when the original
|
|
// proto2_buffer has died. We ensure this behavior by deleting msg
|
|
// before using the action.
|
|
delete msg;
|
|
|
|
FooMessage dest;
|
|
dest.set_int_field(0);
|
|
::proto2::Message* const dest_base = &dest;
|
|
a.Perform(make_tuple(true, dest_base));
|
|
EXPECT_EQ(2, dest.int_field());
|
|
EXPECT_EQ("hi", dest.string_field());
|
|
}
|
|
|
|
#endif // GTEST_HAS_PROTOBUF_
|
|
|
|
// Tests that SetArgumentPointee<N>(v) sets the variable pointed to by
|
|
// the N-th (0-based) argument to v.
|
|
TEST(SetArgumentPointeeTest, SetsTheNthPointee) {
|
|
typedef void MyFunction(bool, int*, char*);
|
|
Action<MyFunction> a = SetArgumentPointee<1>(2);
|
|
|
|
int n = 0;
|
|
char ch = '\0';
|
|
a.Perform(make_tuple(true, &n, &ch));
|
|
EXPECT_EQ(2, n);
|
|
EXPECT_EQ('\0', ch);
|
|
|
|
a = SetArgumentPointee<2>('a');
|
|
n = 0;
|
|
ch = '\0';
|
|
a.Perform(make_tuple(true, &n, &ch));
|
|
EXPECT_EQ(0, n);
|
|
EXPECT_EQ('a', ch);
|
|
}
|
|
|
|
#if GTEST_HAS_PROTOBUF_
|
|
|
|
// Tests that SetArgumentPointee<N>(proto_buffer) sets the v1 protobuf
|
|
// variable pointed to by the N-th (0-based) argument to proto_buffer.
|
|
TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProtoBufferType) {
|
|
TestMessage* const msg = new TestMessage;
|
|
msg->set_member("yes");
|
|
TestMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, TestMessage*)> a = SetArgumentPointee<1>(*msg);
|
|
// SetArgumentPointee<N>(proto_buffer) makes a copy of proto_buffer
|
|
// s.t. the action works even when the original proto_buffer has
|
|
// died. We ensure this behavior by deleting msg before using the
|
|
// action.
|
|
delete msg;
|
|
|
|
TestMessage dest;
|
|
EXPECT_FALSE(orig_msg.Equals(dest));
|
|
a.Perform(make_tuple(true, &dest));
|
|
EXPECT_TRUE(orig_msg.Equals(dest));
|
|
}
|
|
|
|
// Tests that SetArgumentPointee<N>(proto_buffer) sets the
|
|
// ::ProtocolMessage variable pointed to by the N-th (0-based)
|
|
// argument to proto_buffer.
|
|
TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProtoBufferBaseType) {
|
|
TestMessage* const msg = new TestMessage;
|
|
msg->set_member("yes");
|
|
TestMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, ::ProtocolMessage*)> a = SetArgumentPointee<1>(*msg);
|
|
// SetArgumentPointee<N>(proto_buffer) makes a copy of proto_buffer
|
|
// s.t. the action works even when the original proto_buffer has
|
|
// died. We ensure this behavior by deleting msg before using the
|
|
// action.
|
|
delete msg;
|
|
|
|
TestMessage dest;
|
|
::ProtocolMessage* const dest_base = &dest;
|
|
EXPECT_FALSE(orig_msg.Equals(dest));
|
|
a.Perform(make_tuple(true, dest_base));
|
|
EXPECT_TRUE(orig_msg.Equals(dest));
|
|
}
|
|
|
|
// Tests that SetArgumentPointee<N>(proto2_buffer) sets the v2
|
|
// protobuf variable pointed to by the N-th (0-based) argument to
|
|
// proto2_buffer.
|
|
TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProto2BufferType) {
|
|
using testing::internal::FooMessage;
|
|
FooMessage* const msg = new FooMessage;
|
|
msg->set_int_field(2);
|
|
msg->set_string_field("hi");
|
|
FooMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, FooMessage*)> a = SetArgumentPointee<1>(*msg);
|
|
// SetArgumentPointee<N>(proto2_buffer) makes a copy of
|
|
// proto2_buffer s.t. the action works even when the original
|
|
// proto2_buffer has died. We ensure this behavior by deleting msg
|
|
// before using the action.
|
|
delete msg;
|
|
|
|
FooMessage dest;
|
|
dest.set_int_field(0);
|
|
a.Perform(make_tuple(true, &dest));
|
|
EXPECT_EQ(2, dest.int_field());
|
|
EXPECT_EQ("hi", dest.string_field());
|
|
}
|
|
|
|
// Tests that SetArgumentPointee<N>(proto2_buffer) sets the
|
|
// proto2::Message variable pointed to by the N-th (0-based) argument
|
|
// to proto2_buffer.
|
|
TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProto2BufferBaseType) {
|
|
using testing::internal::FooMessage;
|
|
FooMessage* const msg = new FooMessage;
|
|
msg->set_int_field(2);
|
|
msg->set_string_field("hi");
|
|
FooMessage orig_msg;
|
|
orig_msg.CopyFrom(*msg);
|
|
|
|
Action<void(bool, ::proto2::Message*)> a = SetArgumentPointee<1>(*msg);
|
|
// SetArgumentPointee<N>(proto2_buffer) makes a copy of
|
|
// proto2_buffer s.t. the action works even when the original
|
|
// proto2_buffer has died. We ensure this behavior by deleting msg
|
|
// before using the action.
|
|
delete msg;
|
|
|
|
FooMessage dest;
|
|
dest.set_int_field(0);
|
|
::proto2::Message* const dest_base = &dest;
|
|
a.Perform(make_tuple(true, dest_base));
|
|
EXPECT_EQ(2, dest.int_field());
|
|
EXPECT_EQ("hi", dest.string_field());
|
|
}
|
|
|
|
#endif // GTEST_HAS_PROTOBUF_
|
|
|
|
// Sample functions and functors for testing Invoke() and etc.
|
|
int Nullary() { return 1; }
|
|
|
|
class NullaryFunctor {
|
|
public:
|
|
int operator()() { return 2; }
|
|
};
|
|
|
|
bool g_done = false;
|
|
void VoidNullary() { g_done = true; }
|
|
|
|
class VoidNullaryFunctor {
|
|
public:
|
|
void operator()() { g_done = true; }
|
|
};
|
|
|
|
class Foo {
|
|
public:
|
|
Foo() : value_(123) {}
|
|
|
|
int Nullary() const { return value_; }
|
|
|
|
private:
|
|
int value_;
|
|
};
|
|
|
|
// Tests InvokeWithoutArgs(function).
|
|
TEST(InvokeWithoutArgsTest, Function) {
|
|
// As an action that takes one argument.
|
|
Action<int(int)> a = InvokeWithoutArgs(Nullary); // NOLINT
|
|
EXPECT_EQ(1, a.Perform(make_tuple(2)));
|
|
|
|
// As an action that takes two arguments.
|
|
Action<int(int, double)> a2 = InvokeWithoutArgs(Nullary); // NOLINT
|
|
EXPECT_EQ(1, a2.Perform(make_tuple(2, 3.5)));
|
|
|
|
// As an action that returns void.
|
|
Action<void(int)> a3 = InvokeWithoutArgs(VoidNullary); // NOLINT
|
|
g_done = false;
|
|
a3.Perform(make_tuple(1));
|
|
EXPECT_TRUE(g_done);
|
|
}
|
|
|
|
// Tests InvokeWithoutArgs(functor).
|
|
TEST(InvokeWithoutArgsTest, Functor) {
|
|
// As an action that takes no argument.
|
|
Action<int()> a = InvokeWithoutArgs(NullaryFunctor()); // NOLINT
|
|
EXPECT_EQ(2, a.Perform(make_tuple()));
|
|
|
|
// As an action that takes three arguments.
|
|
Action<int(int, double, char)> a2 = // NOLINT
|
|
InvokeWithoutArgs(NullaryFunctor());
|
|
EXPECT_EQ(2, a2.Perform(make_tuple(3, 3.5, 'a')));
|
|
|
|
// As an action that returns void.
|
|
Action<void()> a3 = InvokeWithoutArgs(VoidNullaryFunctor());
|
|
g_done = false;
|
|
a3.Perform(make_tuple());
|
|
EXPECT_TRUE(g_done);
|
|
}
|
|
|
|
// Tests InvokeWithoutArgs(obj_ptr, method).
|
|
TEST(InvokeWithoutArgsTest, Method) {
|
|
Foo foo;
|
|
Action<int(bool, char)> a = // NOLINT
|
|
InvokeWithoutArgs(&foo, &Foo::Nullary);
|
|
EXPECT_EQ(123, a.Perform(make_tuple(true, 'a')));
|
|
}
|
|
|
|
// Tests using IgnoreResult() on a polymorphic action.
|
|
TEST(IgnoreResultTest, PolymorphicAction) {
|
|
Action<void(int)> a = IgnoreResult(Return(5)); // NOLINT
|
|
a.Perform(make_tuple(1));
|
|
}
|
|
|
|
// Tests using IgnoreResult() on a monomorphic action.
|
|
|
|
int ReturnOne() {
|
|
g_done = true;
|
|
return 1;
|
|
}
|
|
|
|
TEST(IgnoreResultTest, MonomorphicAction) {
|
|
g_done = false;
|
|
Action<void()> a = IgnoreResult(Invoke(ReturnOne));
|
|
a.Perform(make_tuple());
|
|
EXPECT_TRUE(g_done);
|
|
}
|
|
|
|
// Tests using IgnoreResult() on an action that returns a class type.
|
|
|
|
MyNonDefaultConstructible ReturnMyNonDefaultConstructible(double /* x */) {
|
|
g_done = true;
|
|
return MyNonDefaultConstructible(42);
|
|
}
|
|
|
|
TEST(IgnoreResultTest, ActionReturningClass) {
|
|
g_done = false;
|
|
Action<void(int)> a =
|
|
IgnoreResult(Invoke(ReturnMyNonDefaultConstructible)); // NOLINT
|
|
a.Perform(make_tuple(2));
|
|
EXPECT_TRUE(g_done);
|
|
}
|
|
|
|
TEST(AssignTest, Int) {
|
|
int x = 0;
|
|
Action<void(int)> a = Assign(&x, 5);
|
|
a.Perform(make_tuple(0));
|
|
EXPECT_EQ(5, x);
|
|
}
|
|
|
|
TEST(AssignTest, String) {
|
|
::std::string x;
|
|
Action<void(void)> a = Assign(&x, "Hello, world");
|
|
a.Perform(make_tuple());
|
|
EXPECT_EQ("Hello, world", x);
|
|
}
|
|
|
|
TEST(AssignTest, CompatibleTypes) {
|
|
double x = 0;
|
|
Action<void(int)> a = Assign(&x, 5);
|
|
a.Perform(make_tuple(0));
|
|
EXPECT_DOUBLE_EQ(5, x);
|
|
}
|
|
|
|
#if !GTEST_OS_WINDOWS_MOBILE
|
|
|
|
class SetErrnoAndReturnTest : public testing::Test {
|
|
protected:
|
|
virtual void SetUp() { errno = 0; }
|
|
virtual void TearDown() { errno = 0; }
|
|
};
|
|
|
|
TEST_F(SetErrnoAndReturnTest, Int) {
|
|
Action<int(void)> a = SetErrnoAndReturn(ENOTTY, -5);
|
|
EXPECT_EQ(-5, a.Perform(make_tuple()));
|
|
EXPECT_EQ(ENOTTY, errno);
|
|
}
|
|
|
|
TEST_F(SetErrnoAndReturnTest, Ptr) {
|
|
int x;
|
|
Action<int*(void)> a = SetErrnoAndReturn(ENOTTY, &x);
|
|
EXPECT_EQ(&x, a.Perform(make_tuple()));
|
|
EXPECT_EQ(ENOTTY, errno);
|
|
}
|
|
|
|
TEST_F(SetErrnoAndReturnTest, CompatibleTypes) {
|
|
Action<double()> a = SetErrnoAndReturn(EINVAL, 5);
|
|
EXPECT_DOUBLE_EQ(5.0, a.Perform(make_tuple()));
|
|
EXPECT_EQ(EINVAL, errno);
|
|
}
|
|
|
|
#endif // !GTEST_OS_WINDOWS_MOBILE
|
|
|
|
// Tests ByRef().
|
|
|
|
// Tests that ReferenceWrapper<T> is copyable.
|
|
TEST(ByRefTest, IsCopyable) {
|
|
const std::string s1 = "Hi";
|
|
const std::string s2 = "Hello";
|
|
|
|
::testing::internal::ReferenceWrapper<const std::string> ref_wrapper =
|
|
ByRef(s1);
|
|
const std::string& r1 = ref_wrapper;
|
|
EXPECT_EQ(&s1, &r1);
|
|
|
|
// Assigns a new value to ref_wrapper.
|
|
ref_wrapper = ByRef(s2);
|
|
const std::string& r2 = ref_wrapper;
|
|
EXPECT_EQ(&s2, &r2);
|
|
|
|
::testing::internal::ReferenceWrapper<const std::string> ref_wrapper1 =
|
|
ByRef(s1);
|
|
// Copies ref_wrapper1 to ref_wrapper.
|
|
ref_wrapper = ref_wrapper1;
|
|
const std::string& r3 = ref_wrapper;
|
|
EXPECT_EQ(&s1, &r3);
|
|
}
|
|
|
|
// Tests using ByRef() on a const value.
|
|
TEST(ByRefTest, ConstValue) {
|
|
const int n = 0;
|
|
// int& ref = ByRef(n); // This shouldn't compile - we have a
|
|
// negative compilation test to catch it.
|
|
const int& const_ref = ByRef(n);
|
|
EXPECT_EQ(&n, &const_ref);
|
|
}
|
|
|
|
// Tests using ByRef() on a non-const value.
|
|
TEST(ByRefTest, NonConstValue) {
|
|
int n = 0;
|
|
|
|
// ByRef(n) can be used as either an int&,
|
|
int& ref = ByRef(n);
|
|
EXPECT_EQ(&n, &ref);
|
|
|
|
// or a const int&.
|
|
const int& const_ref = ByRef(n);
|
|
EXPECT_EQ(&n, &const_ref);
|
|
}
|
|
|
|
// Tests explicitly specifying the type when using ByRef().
|
|
TEST(ByRefTest, ExplicitType) {
|
|
int n = 0;
|
|
const int& r1 = ByRef<const int>(n);
|
|
EXPECT_EQ(&n, &r1);
|
|
|
|
// ByRef<char>(n); // This shouldn't compile - we have a negative
|
|
// compilation test to catch it.
|
|
|
|
Derived d;
|
|
Derived& r2 = ByRef<Derived>(d);
|
|
EXPECT_EQ(&d, &r2);
|
|
|
|
const Derived& r3 = ByRef<const Derived>(d);
|
|
EXPECT_EQ(&d, &r3);
|
|
|
|
Base& r4 = ByRef<Base>(d);
|
|
EXPECT_EQ(&d, &r4);
|
|
|
|
const Base& r5 = ByRef<const Base>(d);
|
|
EXPECT_EQ(&d, &r5);
|
|
|
|
// The following shouldn't compile - we have a negative compilation
|
|
// test for it.
|
|
//
|
|
// Base b;
|
|
// ByRef<Derived>(b);
|
|
}
|
|
|
|
// Tests that Google Mock prints expression ByRef(x) as a reference to x.
|
|
TEST(ByRefTest, PrintsCorrectly) {
|
|
int n = 42;
|
|
::std::stringstream expected, actual;
|
|
testing::internal::UniversalPrinter<const int&>::Print(n, &expected);
|
|
testing::internal::UniversalPrint(ByRef(n), &actual);
|
|
EXPECT_EQ(expected.str(), actual.str());
|
|
}
|
|
|
|
#if GTEST_HAS_STD_UNIQUE_PTR_
|
|
|
|
std::unique_ptr<int> UniquePtrSource() {
|
|
return std::unique_ptr<int>(new int(19));
|
|
}
|
|
|
|
std::vector<std::unique_ptr<int>> VectorUniquePtrSource() {
|
|
std::vector<std::unique_ptr<int>> out;
|
|
out.emplace_back(new int(7));
|
|
return out;
|
|
}
|
|
|
|
TEST(MockMethodTest, CanReturnMoveOnlyValue_Return) {
|
|
MockClass mock;
|
|
std::unique_ptr<int> i(new int(19));
|
|
EXPECT_CALL(mock, MakeUnique()).WillOnce(Return(ByMove(std::move(i))));
|
|
EXPECT_CALL(mock, MakeVectorUnique())
|
|
.WillOnce(Return(ByMove(VectorUniquePtrSource())));
|
|
Derived* d = new Derived;
|
|
EXPECT_CALL(mock, MakeUniqueBase())
|
|
.WillOnce(Return(ByMove(std::unique_ptr<Derived>(d))));
|
|
|
|
std::unique_ptr<int> result1 = mock.MakeUnique();
|
|
EXPECT_EQ(19, *result1);
|
|
|
|
std::vector<std::unique_ptr<int>> vresult = mock.MakeVectorUnique();
|
|
EXPECT_EQ(1u, vresult.size());
|
|
EXPECT_NE(nullptr, vresult[0]);
|
|
EXPECT_EQ(7, *vresult[0]);
|
|
|
|
std::unique_ptr<Base> result2 = mock.MakeUniqueBase();
|
|
EXPECT_EQ(d, result2.get());
|
|
}
|
|
|
|
TEST(MockMethodTest, CanReturnMoveOnlyValue_DoAllReturn) {
|
|
testing::MockFunction<void()> mock_function;
|
|
MockClass mock;
|
|
std::unique_ptr<int> i(new int(19));
|
|
EXPECT_CALL(mock_function, Call());
|
|
EXPECT_CALL(mock, MakeUnique()).WillOnce(DoAll(
|
|
InvokeWithoutArgs(&mock_function, &testing::MockFunction<void()>::Call),
|
|
Return(ByMove(std::move(i)))));
|
|
|
|
std::unique_ptr<int> result1 = mock.MakeUnique();
|
|
EXPECT_EQ(19, *result1);
|
|
}
|
|
|
|
TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) {
|
|
MockClass mock;
|
|
|
|
// Check default value
|
|
DefaultValue<std::unique_ptr<int>>::SetFactory([] {
|
|
return std::unique_ptr<int>(new int(42));
|
|
});
|
|
EXPECT_EQ(42, *mock.MakeUnique());
|
|
|
|
EXPECT_CALL(mock, MakeUnique()).WillRepeatedly(Invoke(UniquePtrSource));
|
|
EXPECT_CALL(mock, MakeVectorUnique())
|
|
.WillRepeatedly(Invoke(VectorUniquePtrSource));
|
|
std::unique_ptr<int> result1 = mock.MakeUnique();
|
|
EXPECT_EQ(19, *result1);
|
|
std::unique_ptr<int> result2 = mock.MakeUnique();
|
|
EXPECT_EQ(19, *result2);
|
|
EXPECT_NE(result1, result2);
|
|
|
|
std::vector<std::unique_ptr<int>> vresult = mock.MakeVectorUnique();
|
|
EXPECT_EQ(1u, vresult.size());
|
|
EXPECT_NE(nullptr, vresult[0]);
|
|
EXPECT_EQ(7, *vresult[0]);
|
|
}
|
|
|
|
#endif // GTEST_HAS_STD_UNIQUE_PTR_
|
|
|
|
} // Unnamed namespace
|