2008-09-09 05:01:38 +02:00
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// Copyright 2008 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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#include <list>
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#include <set>
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#include "test/gtest-typed-test_test.h"
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#include <gtest/gtest.h>
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using testing::Test;
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// Used for testing that SetUpTestCase()/TearDownTestCase(), fixture
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// ctor/dtor, and SetUp()/TearDown() work correctly in typed tests and
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// type-parameterized test.
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template <typename T>
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class CommonTest : public Test {
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// For some technical reason, SetUpTestCase() and TearDownTestCase()
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// must be public.
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public:
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static void SetUpTestCase() {
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shared_ = new T(5);
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}
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static void TearDownTestCase() {
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delete shared_;
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shared_ = NULL;
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}
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// This 'protected:' is optional. There's no harm in making all
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// members of this fixture class template public.
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protected:
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typedef std::list<T> List;
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typedef std::set<int> IntSet;
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CommonTest() : value_(1) {}
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virtual ~CommonTest() { EXPECT_EQ(3, value_); }
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virtual void SetUp() {
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EXPECT_EQ(1, value_);
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value_++;
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}
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virtual void TearDown() {
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EXPECT_EQ(2, value_);
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value_++;
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}
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T value_;
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static T* shared_;
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};
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template <typename T>
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T* CommonTest<T>::shared_ = NULL;
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// This #ifdef block tests typed tests.
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2009-02-24 00:21:55 +01:00
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#if GTEST_HAS_TYPED_TEST
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2008-09-09 05:01:38 +02:00
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using testing::Types;
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// Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor,
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// and SetUp()/TearDown() work correctly in typed tests
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typedef Types<char, int> TwoTypes;
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TYPED_TEST_CASE(CommonTest, TwoTypes);
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TYPED_TEST(CommonTest, ValuesAreCorrect) {
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// Static members of the fixture class template can be visited via
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// the TestFixture:: prefix.
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EXPECT_EQ(5, *TestFixture::shared_);
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// Typedefs in the fixture class template can be visited via the
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// "typename TestFixture::" prefix.
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typename TestFixture::List empty;
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EXPECT_EQ(0, empty.size());
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typename TestFixture::IntSet empty2;
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EXPECT_EQ(0, empty2.size());
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// Non-static members of the fixture class must be visited via
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// 'this', as required by C++ for class templates.
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EXPECT_EQ(2, this->value_);
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}
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// The second test makes sure shared_ is not deleted after the first
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// test.
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TYPED_TEST(CommonTest, ValuesAreStillCorrect) {
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// Static members of the fixture class template can also be visited
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// via 'this'.
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ASSERT_TRUE(this->shared_ != NULL);
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EXPECT_EQ(5, *this->shared_);
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// TypeParam can be used to refer to the type parameter.
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EXPECT_EQ(static_cast<TypeParam>(2), this->value_);
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}
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// Tests that multiple TYPED_TEST_CASE's can be defined in the same
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// translation unit.
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template <typename T>
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class TypedTest1 : public Test {
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};
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// Verifies that the second argument of TYPED_TEST_CASE can be a
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// single type.
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TYPED_TEST_CASE(TypedTest1, int);
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TYPED_TEST(TypedTest1, A) {}
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template <typename T>
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class TypedTest2 : public Test {
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};
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// Verifies that the second argument of TYPED_TEST_CASE can be a
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// Types<...> type list.
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TYPED_TEST_CASE(TypedTest2, Types<int>);
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// This also verifies that tests from different typed test cases can
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// share the same name.
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TYPED_TEST(TypedTest2, A) {}
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// Tests that a typed test case can be defined in a namespace.
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namespace library1 {
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template <typename T>
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class NumericTest : public Test {
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};
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typedef Types<int, long> NumericTypes;
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TYPED_TEST_CASE(NumericTest, NumericTypes);
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TYPED_TEST(NumericTest, DefaultIsZero) {
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EXPECT_EQ(0, TypeParam());
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}
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} // namespace library1
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#endif // GTEST_HAS_TYPED_TEST
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// This #ifdef block tests type-parameterized tests.
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2009-02-24 00:21:55 +01:00
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#if GTEST_HAS_TYPED_TEST_P
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2008-09-09 05:01:38 +02:00
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using testing::Types;
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using testing::internal::TypedTestCasePState;
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// Tests TypedTestCasePState.
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class TypedTestCasePStateTest : public Test {
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protected:
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virtual void SetUp() {
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state_.AddTestName("foo.cc", 0, "FooTest", "A");
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state_.AddTestName("foo.cc", 0, "FooTest", "B");
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state_.AddTestName("foo.cc", 0, "FooTest", "C");
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}
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TypedTestCasePState state_;
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};
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TEST_F(TypedTestCasePStateTest, SucceedsForMatchingList) {
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const char* tests = "A, B, C";
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EXPECT_EQ(tests,
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state_.VerifyRegisteredTestNames("foo.cc", 1, tests));
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}
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// Makes sure that the order of the tests and spaces around the names
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// don't matter.
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TEST_F(TypedTestCasePStateTest, IgnoresOrderAndSpaces) {
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const char* tests = "A,C, B";
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EXPECT_EQ(tests,
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state_.VerifyRegisteredTestNames("foo.cc", 1, tests));
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}
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2009-02-24 00:21:55 +01:00
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#if GTEST_HAS_DEATH_TEST
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2008-09-09 05:01:38 +02:00
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typedef TypedTestCasePStateTest TypedTestCasePStateDeathTest;
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TEST_F(TypedTestCasePStateDeathTest, DetectsDuplicates) {
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EXPECT_DEATH(
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state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, A, C"),
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2009-03-11 19:31:26 +01:00
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"foo\\.cc.1.?: Test A is listed more than once\\.");
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2008-09-09 05:01:38 +02:00
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}
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TEST_F(TypedTestCasePStateDeathTest, DetectsExtraTest) {
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EXPECT_DEATH(
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state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C, D"),
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2009-03-11 19:31:26 +01:00
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"foo\\.cc.1.?: No test named D can be found in this test case\\.");
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2008-09-09 05:01:38 +02:00
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}
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TEST_F(TypedTestCasePStateDeathTest, DetectsMissedTest) {
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EXPECT_DEATH(
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state_.VerifyRegisteredTestNames("foo.cc", 1, "A, C"),
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2009-03-11 19:31:26 +01:00
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"foo\\.cc.1.?: You forgot to list test B\\.");
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2008-09-09 05:01:38 +02:00
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}
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// Tests that defining a test for a parameterized test case generates
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// a run-time error if the test case has been registered.
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TEST_F(TypedTestCasePStateDeathTest, DetectsTestAfterRegistration) {
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state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C");
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EXPECT_DEATH(
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state_.AddTestName("foo.cc", 2, "FooTest", "D"),
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2009-03-11 19:31:26 +01:00
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"foo\\.cc.2.?: Test D must be defined before REGISTER_TYPED_TEST_CASE_P"
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2008-09-09 05:01:38 +02:00
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"\\(FooTest, \\.\\.\\.\\)\\.");
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}
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#endif // GTEST_HAS_DEATH_TEST
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// Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor,
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// and SetUp()/TearDown() work correctly in type-parameterized tests.
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template <typename T>
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class DerivedTest : public CommonTest<T> {
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};
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TYPED_TEST_CASE_P(DerivedTest);
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TYPED_TEST_P(DerivedTest, ValuesAreCorrect) {
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// Static members of the fixture class template can be visited via
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// the TestFixture:: prefix.
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EXPECT_EQ(5, *TestFixture::shared_);
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// Non-static members of the fixture class must be visited via
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// 'this', as required by C++ for class templates.
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EXPECT_EQ(2, this->value_);
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}
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// The second test makes sure shared_ is not deleted after the first
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// test.
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TYPED_TEST_P(DerivedTest, ValuesAreStillCorrect) {
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// Static members of the fixture class template can also be visited
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// via 'this'.
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ASSERT_TRUE(this->shared_ != NULL);
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EXPECT_EQ(5, *this->shared_);
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EXPECT_EQ(2, this->value_);
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}
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REGISTER_TYPED_TEST_CASE_P(DerivedTest,
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ValuesAreCorrect, ValuesAreStillCorrect);
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typedef Types<short, long> MyTwoTypes;
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INSTANTIATE_TYPED_TEST_CASE_P(My, DerivedTest, MyTwoTypes);
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// Tests that multiple TYPED_TEST_CASE_P's can be defined in the same
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// translation unit.
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template <typename T>
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class TypedTestP1 : public Test {
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};
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TYPED_TEST_CASE_P(TypedTestP1);
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// For testing that the code between TYPED_TEST_CASE_P() and
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// TYPED_TEST_P() is not enclosed in a namespace.
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typedef int IntAfterTypedTestCaseP;
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TYPED_TEST_P(TypedTestP1, A) {}
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TYPED_TEST_P(TypedTestP1, B) {}
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// For testing that the code between TYPED_TEST_P() and
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// REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace.
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typedef int IntBeforeRegisterTypedTestCaseP;
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REGISTER_TYPED_TEST_CASE_P(TypedTestP1, A, B);
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template <typename T>
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class TypedTestP2 : public Test {
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};
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TYPED_TEST_CASE_P(TypedTestP2);
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// This also verifies that tests from different type-parameterized
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// test cases can share the same name.
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TYPED_TEST_P(TypedTestP2, A) {}
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REGISTER_TYPED_TEST_CASE_P(TypedTestP2, A);
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// Verifies that the code between TYPED_TEST_CASE_P() and
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// REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace.
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IntAfterTypedTestCaseP after = 0;
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IntBeforeRegisterTypedTestCaseP before = 0;
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// Verifies that the last argument of INSTANTIATE_TYPED_TEST_CASE_P()
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// can be either a single type or a Types<...> type list.
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INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP1, int);
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INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP2, Types<int>);
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// Tests that the same type-parameterized test case can be
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// instantiated more than once in the same translation unit.
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INSTANTIATE_TYPED_TEST_CASE_P(Double, TypedTestP2, Types<double>);
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// Tests that the same type-parameterized test case can be
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// instantiated in different translation units linked together.
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// (ContainerTest is also instantiated in gtest-typed-test_test.cc.)
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typedef Types<std::list<double>, std::set<char> > MyContainers;
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INSTANTIATE_TYPED_TEST_CASE_P(My, ContainerTest, MyContainers);
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// Tests that a type-parameterized test case can be defined and
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// instantiated in a namespace.
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namespace library2 {
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template <typename T>
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class NumericTest : public Test {
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};
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TYPED_TEST_CASE_P(NumericTest);
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TYPED_TEST_P(NumericTest, DefaultIsZero) {
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EXPECT_EQ(0, TypeParam());
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}
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TYPED_TEST_P(NumericTest, ZeroIsLessThanOne) {
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EXPECT_LT(TypeParam(0), TypeParam(1));
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}
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REGISTER_TYPED_TEST_CASE_P(NumericTest,
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DefaultIsZero, ZeroIsLessThanOne);
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typedef Types<int, double> NumericTypes;
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INSTANTIATE_TYPED_TEST_CASE_P(My, NumericTest, NumericTypes);
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} // namespace library2
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#endif // GTEST_HAS_TYPED_TEST_P
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2008-11-20 02:40:35 +01:00
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#if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P)
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// Google Test doesn't support type-parameterized tests on some platforms
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// and compilers, such as MSVC 7.1. If we use conditional compilation to
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// compile out all code referring to the gtest_main library, MSVC linker
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// will not link that library at all and consequently complain about
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// missing entry point defined in that library (fatal error LNK1561:
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// entry point must be defined). This dummy test keeps gtest_main linked in.
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TEST(DummyTest, TypedTestsAreNotSupportedOnThisPlatform) {}
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#endif // #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P)
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