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R9484/googletest/googlemock/test/gmock-nice-strict_test.cc
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gmock-nice-strict_test.cc
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// Copyright 2008, 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.
#include "gmock/gmock-nice-strict.h"
#include <string>
#include <utility>
#include "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "gtest/gtest.h"
// This must not be defined inside the ::testing namespace, or it will
// clash with ::testing::Mock.
class Mock {
public:
Mock() {}
MOCK_METHOD0(DoThis, void());
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(Mock);
};
namespace testing {
namespace gmock_nice_strict_test {
using testing::GMOCK_FLAG(verbose);
using testing::HasSubstr;
using testing::NaggyMock;
using testing::NiceMock;
using testing::StrictMock;
#if GTEST_HAS_STREAM_REDIRECTION
using testing::internal::CaptureStdout;
using testing::internal::GetCapturedStdout;
#endif
// Class without default constructor.
class NotDefaultConstructible {
public:
explicit NotDefaultConstructible(int) {}
};
// Defines some mock classes needed by the tests.
class Foo {
public:
virtual ~Foo() {}
virtual void DoThis() = 0;
virtual int DoThat(bool flag) = 0;
};
class MockFoo : public Foo {
public:
MockFoo() {}
void Delete() { delete this; }
MOCK_METHOD0(DoThis, void());
MOCK_METHOD1(DoThat, int(bool flag));
MOCK_METHOD0(ReturnNonDefaultConstructible, NotDefaultConstructible());
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
};
class MockBar {
public:
explicit MockBar(const std::string& s) : str_(s) {}
MockBar(char a1, char a2, std::string a3, std::string a4, int a5, int a6,
const std::string& a7, const std::string& a8, bool a9, bool a10) {
str_ = std::string() + a1 + a2 + a3 + a4 + static_cast<char>(a5) +
static_cast<char>(a6) + a7 + a8 + (a9 ? 'T' : 'F') + (a10 ? 'T' : 'F');
}
virtual ~MockBar() {}
const std::string& str() const { return str_; }
MOCK_METHOD0(This, int());
MOCK_METHOD2(That, std::string(int, bool));
private:
std::string str_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockBar);
};
class MockBaz {
public:
class MoveOnly {
public:
MoveOnly() = default;
MoveOnly(const MoveOnly&) = delete;
MoveOnly& operator=(const MoveOnly&) = delete;
MoveOnly(MoveOnly&&) = default;
MoveOnly& operator=(MoveOnly&&) = default;
};
MockBaz(MoveOnly) {}
};
#if GTEST_HAS_STREAM_REDIRECTION
// Tests that a raw mock generates warnings for uninteresting calls.
TEST(RawMockTest, WarningForUninterestingCall) {
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "warning";
MockFoo raw_foo;
CaptureStdout();
raw_foo.DoThis();
raw_foo.DoThat(true);
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
// Tests that a raw mock generates warnings for uninteresting calls
// that delete the mock object.
TEST(RawMockTest, WarningForUninterestingCallAfterDeath) {
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "warning";
MockFoo* const raw_foo = new MockFoo;
ON_CALL(*raw_foo, DoThis())
.WillByDefault(Invoke(raw_foo, &MockFoo::Delete));
CaptureStdout();
raw_foo->DoThis();
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
// Tests that a raw mock generates informational logs for
// uninteresting calls.
TEST(RawMockTest, InfoForUninterestingCall) {
MockFoo raw_foo;
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "info";
CaptureStdout();
raw_foo.DoThis();
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
TEST(RawMockTest, IsNaggy_IsNice_IsStrict) {
MockFoo raw_foo;
EXPECT_TRUE(Mock::IsNaggy(&raw_foo));
EXPECT_FALSE(Mock::IsNice(&raw_foo));
EXPECT_FALSE(Mock::IsStrict(&raw_foo));
}
// Tests that a nice mock generates no warning for uninteresting calls.
TEST(NiceMockTest, NoWarningForUninterestingCall) {
NiceMock<MockFoo> nice_foo;
CaptureStdout();
nice_foo.DoThis();
nice_foo.DoThat(true);
EXPECT_EQ("", GetCapturedStdout());
}
// Tests that a nice mock generates no warning for uninteresting calls
// that delete the mock object.
TEST(NiceMockTest, NoWarningForUninterestingCallAfterDeath) {
NiceMock<MockFoo>* const nice_foo = new NiceMock<MockFoo>;
ON_CALL(*nice_foo, DoThis())
.WillByDefault(Invoke(nice_foo, &MockFoo::Delete));
CaptureStdout();
nice_foo->DoThis();
EXPECT_EQ("", GetCapturedStdout());
}
// Tests that a nice mock generates informational logs for
// uninteresting calls.
TEST(NiceMockTest, InfoForUninterestingCall) {
NiceMock<MockFoo> nice_foo;
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "info";
CaptureStdout();
nice_foo.DoThis();
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
#endif // GTEST_HAS_STREAM_REDIRECTION
// Tests that a nice mock allows expected calls.
TEST(NiceMockTest, AllowsExpectedCall) {
NiceMock<MockFoo> nice_foo;
EXPECT_CALL(nice_foo, DoThis());
nice_foo.DoThis();
}
// Tests that an unexpected call on a nice mock which returns a
// not-default-constructible type throws an exception and the exception contains
// the method's name.
TEST(NiceMockTest, ThrowsExceptionForUnknownReturnTypes) {
NiceMock<MockFoo> nice_foo;
#if GTEST_HAS_EXCEPTIONS
try {
nice_foo.ReturnNonDefaultConstructible();
FAIL();
} catch (const std::runtime_error& ex) {
EXPECT_THAT(ex.what(), HasSubstr("ReturnNonDefaultConstructible"));
}
#else
EXPECT_DEATH_IF_SUPPORTED({ nice_foo.ReturnNonDefaultConstructible(); }, "");
#endif
}
// Tests that an unexpected call on a nice mock fails.
TEST(NiceMockTest, UnexpectedCallFails) {
NiceMock<MockFoo> nice_foo;
EXPECT_CALL(nice_foo, DoThis()).Times(0);
EXPECT_NONFATAL_FAILURE(nice_foo.DoThis(), "called more times than expected");
}
// Tests that NiceMock works with a mock class that has a non-default
// constructor.
TEST(NiceMockTest, NonDefaultConstructor) {
NiceMock<MockBar> nice_bar("hi");
EXPECT_EQ("hi", nice_bar.str());
nice_bar.This();
nice_bar.That(5, true);
}
// Tests that NiceMock works with a mock class that has a 10-ary
// non-default constructor.
TEST(NiceMockTest, NonDefaultConstructor10) {
NiceMock<MockBar> nice_bar('a', 'b', "c", "d", 'e', 'f',
"g", "h", true, false);
EXPECT_EQ("abcdefghTF", nice_bar.str());
nice_bar.This();
nice_bar.That(5, true);
}
TEST(NiceMockTest, AllowLeak) {
NiceMock<MockFoo>* leaked = new NiceMock<MockFoo>;
Mock::AllowLeak(leaked);
EXPECT_CALL(*leaked, DoThis());
leaked->DoThis();
}
TEST(NiceMockTest, MoveOnlyConstructor) {
NiceMock<MockBaz> nice_baz(MockBaz::MoveOnly{});
}
// Tests that NiceMock<Mock> compiles where Mock is a user-defined
// class (as opposed to ::testing::Mock).
TEST(NiceMockTest, AcceptsClassNamedMock) {
NiceMock< ::Mock> nice;
EXPECT_CALL(nice, DoThis());
nice.DoThis();
}
TEST(NiceMockTest, IsNaggy_IsNice_IsStrict) {
NiceMock<MockFoo> nice_foo;
EXPECT_FALSE(Mock::IsNaggy(&nice_foo));
EXPECT_TRUE(Mock::IsNice(&nice_foo));
EXPECT_FALSE(Mock::IsStrict(&nice_foo));
}
#if GTEST_HAS_STREAM_REDIRECTION
// Tests that a naggy mock generates warnings for uninteresting calls.
TEST(NaggyMockTest, WarningForUninterestingCall) {
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "warning";
NaggyMock<MockFoo> naggy_foo;
CaptureStdout();
naggy_foo.DoThis();
naggy_foo.DoThat(true);
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
// Tests that a naggy mock generates a warning for an uninteresting call
// that deletes the mock object.
TEST(NaggyMockTest, WarningForUninterestingCallAfterDeath) {
const std::string saved_flag = GMOCK_FLAG(verbose);
GMOCK_FLAG(verbose) = "warning";
NaggyMock<MockFoo>* const naggy_foo = new NaggyMock<MockFoo>;
ON_CALL(*naggy_foo, DoThis())
.WillByDefault(Invoke(naggy_foo, &MockFoo::Delete));
CaptureStdout();
naggy_foo->DoThis();
EXPECT_THAT(GetCapturedStdout(),
HasSubstr("Uninteresting mock function call"));
GMOCK_FLAG(verbose) = saved_flag;
}
#endif // GTEST_HAS_STREAM_REDIRECTION
// Tests that a naggy mock allows expected calls.
TEST(NaggyMockTest, AllowsExpectedCall) {
NaggyMock<MockFoo> naggy_foo;
EXPECT_CALL(naggy_foo, DoThis());
naggy_foo.DoThis();
}
// Tests that an unexpected call on a naggy mock fails.
TEST(NaggyMockTest, UnexpectedCallFails) {
NaggyMock<MockFoo> naggy_foo;
EXPECT_CALL(naggy_foo, DoThis()).Times(0);
EXPECT_NONFATAL_FAILURE(naggy_foo.DoThis(),
"called more times than expected");
}
// Tests that NaggyMock works with a mock class that has a non-default
// constructor.
TEST(NaggyMockTest, NonDefaultConstructor) {
NaggyMock<MockBar> naggy_bar("hi");
EXPECT_EQ("hi", naggy_bar.str());
naggy_bar.This();
naggy_bar.That(5, true);
}
// Tests that NaggyMock works with a mock class that has a 10-ary
// non-default constructor.
TEST(NaggyMockTest, NonDefaultConstructor10) {
NaggyMock<MockBar> naggy_bar('0', '1', "2", "3", '4', '5',
"6", "7", true, false);
EXPECT_EQ("01234567TF", naggy_bar.str());
naggy_bar.This();
naggy_bar.That(5, true);
}
TEST(NaggyMockTest, AllowLeak) {
NaggyMock<MockFoo>* leaked = new NaggyMock<MockFoo>;
Mock::AllowLeak(leaked);
EXPECT_CALL(*leaked, DoThis());
leaked->DoThis();
}
TEST(NaggyMockTest, MoveOnlyConstructor) {
NaggyMock<MockBaz> naggy_baz(MockBaz::MoveOnly{});
}
// Tests that NaggyMock<Mock> compiles where Mock is a user-defined
// class (as opposed to ::testing::Mock).
TEST(NaggyMockTest, AcceptsClassNamedMock) {
NaggyMock< ::Mock> naggy;
EXPECT_CALL(naggy, DoThis());
naggy.DoThis();
}
TEST(NaggyMockTest, IsNaggy_IsNice_IsStrict) {
NaggyMock<MockFoo> naggy_foo;
EXPECT_TRUE(Mock::IsNaggy(&naggy_foo));
EXPECT_FALSE(Mock::IsNice(&naggy_foo));
EXPECT_FALSE(Mock::IsStrict(&naggy_foo));
}
// Tests that a strict mock allows expected calls.
TEST(StrictMockTest, AllowsExpectedCall) {
StrictMock<MockFoo> strict_foo;
EXPECT_CALL(strict_foo, DoThis());
strict_foo.DoThis();
}
// Tests that an unexpected call on a strict mock fails.
TEST(StrictMockTest, UnexpectedCallFails) {
StrictMock<MockFoo> strict_foo;
EXPECT_CALL(strict_foo, DoThis()).Times(0);
EXPECT_NONFATAL_FAILURE(strict_foo.DoThis(),
"called more times than expected");
}
// Tests that an uninteresting call on a strict mock fails.
TEST(StrictMockTest, UninterestingCallFails) {
StrictMock<MockFoo> strict_foo;
EXPECT_NONFATAL_FAILURE(strict_foo.DoThis(),
"Uninteresting mock function call");
}
// Tests that an uninteresting call on a strict mock fails, even if
// the call deletes the mock object.
TEST(StrictMockTest, UninterestingCallFailsAfterDeath) {
StrictMock<MockFoo>* const strict_foo = new StrictMock<MockFoo>;
ON_CALL(*strict_foo, DoThis())
.WillByDefault(Invoke(strict_foo, &MockFoo::Delete));
EXPECT_NONFATAL_FAILURE(strict_foo->DoThis(),
"Uninteresting mock function call");
}
// Tests that StrictMock works with a mock class that has a
// non-default constructor.
TEST(StrictMockTest, NonDefaultConstructor) {
StrictMock<MockBar> strict_bar("hi");
EXPECT_EQ("hi", strict_bar.str());
EXPECT_NONFATAL_FAILURE(strict_bar.That(5, true),
"Uninteresting mock function call");
}
// Tests that StrictMock works with a mock class that has a 10-ary
// non-default constructor.
TEST(StrictMockTest, NonDefaultConstructor10) {
StrictMock<MockBar> strict_bar('a', 'b', "c", "d", 'e', 'f',
"g", "h", true, false);
EXPECT_EQ("abcdefghTF", strict_bar.str());
EXPECT_NONFATAL_FAILURE(strict_bar.That(5, true),
"Uninteresting mock function call");
}
TEST(StrictMockTest, AllowLeak) {
StrictMock<MockFoo>* leaked = new StrictMock<MockFoo>;
Mock::AllowLeak(leaked);
EXPECT_CALL(*leaked, DoThis());
leaked->DoThis();
}
TEST(StrictMockTest, MoveOnlyConstructor) {
StrictMock<MockBaz> strict_baz(MockBaz::MoveOnly{});
}
// Tests that StrictMock<Mock> compiles where Mock is a user-defined
// class (as opposed to ::testing::Mock).
TEST(StrictMockTest, AcceptsClassNamedMock) {
StrictMock< ::Mock> strict;
EXPECT_CALL(strict, DoThis());
strict.DoThis();
}
TEST(StrictMockTest, IsNaggy_IsNice_IsStrict) {
StrictMock<MockFoo> strict_foo;
EXPECT_FALSE(Mock::IsNaggy(&strict_foo));
EXPECT_FALSE(Mock::IsNice(&strict_foo));
EXPECT_TRUE(Mock::IsStrict(&strict_foo));
}
} // namespace gmock_nice_strict_test
} // namespace testing
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