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154 lines (121 loc) · 3.8 KB
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//
// Copyright (c) 2016-2017 Kris Jusiak (kris at jusiak dot net)
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <gtest/gtest.h>
#include <stdexcept>
#include "GUnit/GMake.h"
#include "GUnit/GMock.h"
class interface {
public:
virtual bool get() const = 0;
virtual ~interface() = default;
};
class extended_interface : public interface {
public:
virtual void foo(bool) = 0;
virtual void bar(bool) = 0;
};
class example {
public:
example(const interface& i, extended_interface& ei) : i(i), ei(ei) {}
void update() {
const auto value = i.get();
if (value) {
ei.foo(value);
} else {
ei.bar(value);
}
}
private:
const interface& i;
extended_interface& ei;
};
////////////////////////////////////////////////////////////////////////////////
TEST(GMock, ShouldMockSimpleInterface) {
using namespace testing;
GMock<interface> mock;
EXPECT_CALL(mock, (get)()).WillOnce(Return(true));
EXPECT_TRUE(static_cast<interface&>(mock).get());
}
TEST(GMock, ShouldMockExtendedInterface) {
using namespace testing;
GMock<interface> imock;
GMock<extended_interface> emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(true));
EXPECT_CALL(emock, (foo)(true)).Times(1);
example e{static_cast<const interface&>(imock),
static_cast<extended_interface&>(emock)};
e.update();
}
TEST(GMock, ShouldMockExtendedInterfaceDifferentMockTypes) {
using namespace testing;
NiceGMock<interface> imock;
StrictGMock<extended_interface> emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(false));
EXPECT_CALL(emock, (bar)(false)).Times(1);
example e{static_cast<const interface&>(imock),
static_cast<extended_interface&>(emock)};
e.update();
}
TEST(GMock, ShouldWorkWithMacroDefinedMocks) {
using namespace testing;
NiceGMock<interface> imock;
struct mock_extended_interface : extended_interface {
MOCK_CONST_METHOD0(get, bool());
MOCK_METHOD(void, foo, (bool));
MOCK_METHOD(void, bar, (bool));
} emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(false));
EXPECT_CALL(emock, bar(false)).Times(1);
example e{static_cast<const interface&>(imock),
static_cast<extended_interface&>(emock)};
e.update();
}
TEST(GMock, ShouldMakeExample) {
using namespace testing;
GMock<interface> imock;
GMock<extended_interface> emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(false));
EXPECT_CALL(emock, (bar)(false)).Times(1);
auto sut = make<example>(imock, emock);
sut.update();
}
TEST(GMock, ShouldMakeUniquePtrExample) {
using namespace testing;
GMock<interface> imock;
GMock<extended_interface> emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(false));
EXPECT_CALL(emock, (bar)(false)).Times(1);
auto sut = make<std::unique_ptr<example>>(imock, emock);
sut->update();
}
TEST(GMock, ShouldMakeSharedPtrExample) {
using namespace testing;
GMock<interface> imock;
GMock<extended_interface> emock;
EXPECT_CALL(imock, (get)()).WillOnce(Return(false));
EXPECT_CALL(emock, (bar)(false)).Times(1);
auto sut = make<std::shared_ptr<example>>(imock, emock);
sut->update();
}
TEST(GMock, ShouldFailDueToUninterestingGetCall) {
using namespace testing;
StrictGMock<interface> mock;
EXPECT_CALL(mock, (get)())
.WillOnce(Return(true)); // Comment to get an UNINTERESTING CALL
static_cast<interface&>(mock).get();
}
TEST(GMock, ShouldNotCompileWhenMethodParametersDontMatch) {
using namespace testing;
GMock<interface> mock;
// EXPECT_CALL(mock, (get)(_, _)).WillOnce(Return(true)); // COMPILE ERROR
}
TEST(GMock, ShouldNotCompileWhenGMockNotUsedWithBrackets) {
using namespace testing;
GMock<interface> mock;
// EXPECT_CALL(mock, get()).WillOnce(Return(false)); // COMPILE ERROR
}