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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.
+//
+// Author: wan@google.com (Zhanyong Wan)
+
+// Tests Google Mock's output in various scenarios. This ensures that
+// Google Mock's messages are readable and useful.
+
+#include "gmock/gmock.h"
+
+#include <stdio.h>
+#include <string>
+
+#include "gtest/gtest.h"
+
+using testing::_;
+using testing::AnyNumber;
+using testing::Ge;
+using testing::InSequence;
+using testing::NaggyMock;
+using testing::Ref;
+using testing::Return;
+using testing::Sequence;
+
+class MockFoo {
+ public:
+ MockFoo() {}
+
+ MOCK_METHOD3(Bar, char(const std::string& s, int i, double x));
+ MOCK_METHOD2(Bar2, bool(int x, int y));
+ MOCK_METHOD2(Bar3, void(int x, int y));
+
+ private:
+ GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
+};
+
+class GMockOutputTest : public testing::Test {
+ protected:
+ NaggyMock<MockFoo> foo_;
+};
+
+TEST_F(GMockOutputTest, ExpectedCall) {
+ testing::GMOCK_FLAG(verbose) = "info";
+
+ EXPECT_CALL(foo_, Bar2(0, _));
+ foo_.Bar2(0, 0); // Expected call
+
+ testing::GMOCK_FLAG(verbose) = "warning";
+}
+
+TEST_F(GMockOutputTest, ExpectedCallToVoidFunction) {
+ testing::GMOCK_FLAG(verbose) = "info";
+
+ EXPECT_CALL(foo_, Bar3(0, _));
+ foo_.Bar3(0, 0); // Expected call
+
+ testing::GMOCK_FLAG(verbose) = "warning";
+}
+
+TEST_F(GMockOutputTest, ExplicitActionsRunOut) {
+ EXPECT_CALL(foo_, Bar2(_, _))
+ .Times(2)
+ .WillOnce(Return(false));
+ foo_.Bar2(2, 2);
+ foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out.
+}
+
+TEST_F(GMockOutputTest, UnexpectedCall) {
+ EXPECT_CALL(foo_, Bar2(0, _));
+
+ foo_.Bar2(1, 0); // Unexpected call
+ foo_.Bar2(0, 0); // Expected call
+}
+
+TEST_F(GMockOutputTest, UnexpectedCallToVoidFunction) {
+ EXPECT_CALL(foo_, Bar3(0, _));
+
+ foo_.Bar3(1, 0); // Unexpected call
+ foo_.Bar3(0, 0); // Expected call
+}
+
+TEST_F(GMockOutputTest, ExcessiveCall) {
+ EXPECT_CALL(foo_, Bar2(0, _));
+
+ foo_.Bar2(0, 0); // Expected call
+ foo_.Bar2(0, 1); // Excessive call
+}
+
+TEST_F(GMockOutputTest, ExcessiveCallToVoidFunction) {
+ EXPECT_CALL(foo_, Bar3(0, _));
+
+ foo_.Bar3(0, 0); // Expected call
+ foo_.Bar3(0, 1); // Excessive call
+}
+
+TEST_F(GMockOutputTest, UninterestingCall) {
+ foo_.Bar2(0, 1); // Uninteresting call
+}
+
+TEST_F(GMockOutputTest, UninterestingCallToVoidFunction) {
+ foo_.Bar3(0, 1); // Uninteresting call
+}
+
+TEST_F(GMockOutputTest, RetiredExpectation) {
+ EXPECT_CALL(foo_, Bar2(_, _))
+ .RetiresOnSaturation();
+ EXPECT_CALL(foo_, Bar2(0, 0));
+
+ foo_.Bar2(1, 1);
+ foo_.Bar2(1, 1); // Matches a retired expectation
+ foo_.Bar2(0, 0);
+}
+
+TEST_F(GMockOutputTest, UnsatisfiedPrerequisite) {
+ {
+ InSequence s;
+ EXPECT_CALL(foo_, Bar(_, 0, _));
+ EXPECT_CALL(foo_, Bar2(0, 0));
+ EXPECT_CALL(foo_, Bar2(1, _));
+ }
+
+ foo_.Bar2(1, 0); // Has one immediate unsatisfied pre-requisite
+ foo_.Bar("Hi", 0, 0);
+ foo_.Bar2(0, 0);
+ foo_.Bar2(1, 0);
+}
+
+TEST_F(GMockOutputTest, UnsatisfiedPrerequisites) {
+ Sequence s1, s2;
+
+ EXPECT_CALL(foo_, Bar(_, 0, _))
+ .InSequence(s1);
+ EXPECT_CALL(foo_, Bar2(0, 0))
+ .InSequence(s2);
+ EXPECT_CALL(foo_, Bar2(1, _))
+ .InSequence(s1, s2);
+
+ foo_.Bar2(1, 0); // Has two immediate unsatisfied pre-requisites
+ foo_.Bar("Hi", 0, 0);
+ foo_.Bar2(0, 0);
+ foo_.Bar2(1, 0);
+}
+
+TEST_F(GMockOutputTest, UnsatisfiedWith) {
+ EXPECT_CALL(foo_, Bar2(_, _)).With(Ge());
+}
+
+TEST_F(GMockOutputTest, UnsatisfiedExpectation) {
+ EXPECT_CALL(foo_, Bar(_, _, _));
+ EXPECT_CALL(foo_, Bar2(0, _))
+ .Times(2);
+
+ foo_.Bar2(0, 1);
+}
+
+TEST_F(GMockOutputTest, MismatchArguments) {
+ const std::string s = "Hi";
+ EXPECT_CALL(foo_, Bar(Ref(s), _, Ge(0)));
+
+ foo_.Bar("Ho", 0, -0.1); // Mismatch arguments
+ foo_.Bar(s, 0, 0);
+}
+
+TEST_F(GMockOutputTest, MismatchWith) {
+ EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1)))
+ .With(Ge());
+
+ foo_.Bar2(2, 3); // Mismatch With()
+ foo_.Bar2(2, 1);
+}
+
+TEST_F(GMockOutputTest, MismatchArgumentsAndWith) {
+ EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1)))
+ .With(Ge());
+
+ foo_.Bar2(1, 3); // Mismatch arguments and mismatch With()
+ foo_.Bar2(2, 1);
+}
+
+TEST_F(GMockOutputTest, UnexpectedCallWithDefaultAction) {
+ ON_CALL(foo_, Bar2(_, _))
+ .WillByDefault(Return(true)); // Default action #1
+ ON_CALL(foo_, Bar2(1, _))
+ .WillByDefault(Return(false)); // Default action #2
+
+ EXPECT_CALL(foo_, Bar2(2, 2));
+ foo_.Bar2(1, 0); // Unexpected call, takes default action #2.
+ foo_.Bar2(0, 0); // Unexpected call, takes default action #1.
+ foo_.Bar2(2, 2); // Expected call.
+}
+
+TEST_F(GMockOutputTest, ExcessiveCallWithDefaultAction) {
+ ON_CALL(foo_, Bar2(_, _))
+ .WillByDefault(Return(true)); // Default action #1
+ ON_CALL(foo_, Bar2(1, _))
+ .WillByDefault(Return(false)); // Default action #2
+
+ EXPECT_CALL(foo_, Bar2(2, 2));
+ EXPECT_CALL(foo_, Bar2(1, 1));
+
+ foo_.Bar2(2, 2); // Expected call.
+ foo_.Bar2(2, 2); // Excessive call, takes default action #1.
+ foo_.Bar2(1, 1); // Expected call.
+ foo_.Bar2(1, 1); // Excessive call, takes default action #2.
+}
+
+TEST_F(GMockOutputTest, UninterestingCallWithDefaultAction) {
+ ON_CALL(foo_, Bar2(_, _))
+ .WillByDefault(Return(true)); // Default action #1
+ ON_CALL(foo_, Bar2(1, _))
+ .WillByDefault(Return(false)); // Default action #2
+
+ foo_.Bar2(2, 2); // Uninteresting call, takes default action #1.
+ foo_.Bar2(1, 1); // Uninteresting call, takes default action #2.
+}
+
+TEST_F(GMockOutputTest, ExplicitActionsRunOutWithDefaultAction) {
+ ON_CALL(foo_, Bar2(_, _))
+ .WillByDefault(Return(true)); // Default action #1
+
+ EXPECT_CALL(foo_, Bar2(_, _))
+ .Times(2)
+ .WillOnce(Return(false));
+ foo_.Bar2(2, 2);
+ foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out.
+}
+
+TEST_F(GMockOutputTest, CatchesLeakedMocks) {
+ MockFoo* foo1 = new MockFoo;
+ MockFoo* foo2 = new MockFoo;
+
+ // Invokes ON_CALL on foo1.
+ ON_CALL(*foo1, Bar(_, _, _)).WillByDefault(Return('a'));
+
+ // Invokes EXPECT_CALL on foo2.
+ EXPECT_CALL(*foo2, Bar2(_, _));
+ EXPECT_CALL(*foo2, Bar2(1, _));
+ EXPECT_CALL(*foo2, Bar3(_, _)).Times(AnyNumber());
+ foo2->Bar2(2, 1);
+ foo2->Bar2(1, 1);
+
+ // Both foo1 and foo2 are deliberately leaked.
+}
+
+void TestCatchesLeakedMocksInAdHocTests() {
+ MockFoo* foo = new MockFoo;
+
+ // Invokes EXPECT_CALL on foo.
+ EXPECT_CALL(*foo, Bar2(_, _));
+ foo->Bar2(2, 1);
+
+ // foo is deliberately leaked.
+}
+
+int main(int argc, char **argv) {
+ testing::InitGoogleMock(&argc, argv);
+
+ // Ensures that the tests pass no matter what value of
+ // --gmock_catch_leaked_mocks and --gmock_verbose the user specifies.
+ testing::GMOCK_FLAG(catch_leaked_mocks) = true;
+ testing::GMOCK_FLAG(verbose) = "warning";
+
+ TestCatchesLeakedMocksInAdHocTests();
+ return RUN_ALL_TESTS();
+}