Index: source/libvpx/third_party/googletest/src/test/gtest-param-test_test.cc |
=================================================================== |
--- source/libvpx/third_party/googletest/src/test/gtest-param-test_test.cc (revision 232233) |
+++ source/libvpx/third_party/googletest/src/test/gtest-param-test_test.cc (working copy) |
@@ -1,895 +0,0 @@ |
-// 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: vladl@google.com (Vlad Losev) |
-// |
-// Tests for Google Test itself. This file verifies that the parameter |
-// generators objects produce correct parameter sequences and that |
-// Google Test runtime instantiates correct tests from those sequences. |
- |
-#include "gtest/gtest.h" |
- |
-#if GTEST_HAS_PARAM_TEST |
- |
-# include <algorithm> |
-# include <iostream> |
-# include <list> |
-# include <sstream> |
-# include <string> |
-# include <vector> |
- |
-// To include gtest-internal-inl.h. |
-# define GTEST_IMPLEMENTATION_ 1 |
-# include "src/gtest-internal-inl.h" // for UnitTestOptions |
-# undef GTEST_IMPLEMENTATION_ |
- |
-# include "test/gtest-param-test_test.h" |
- |
-using ::std::vector; |
-using ::std::sort; |
- |
-using ::testing::AddGlobalTestEnvironment; |
-using ::testing::Bool; |
-using ::testing::Message; |
-using ::testing::Range; |
-using ::testing::TestWithParam; |
-using ::testing::Values; |
-using ::testing::ValuesIn; |
- |
-# if GTEST_HAS_COMBINE |
-using ::testing::Combine; |
-using ::std::tr1::get; |
-using ::std::tr1::make_tuple; |
-using ::std::tr1::tuple; |
-# endif // GTEST_HAS_COMBINE |
- |
-using ::testing::internal::ParamGenerator; |
-using ::testing::internal::UnitTestOptions; |
- |
-// Prints a value to a string. |
-// |
-// TODO(wan@google.com): remove PrintValue() when we move matchers and |
-// EXPECT_THAT() from Google Mock to Google Test. At that time, we |
-// can write EXPECT_THAT(x, Eq(y)) to compare two tuples x and y, as |
-// EXPECT_THAT() and the matchers know how to print tuples. |
-template <typename T> |
-::std::string PrintValue(const T& value) { |
- ::std::stringstream stream; |
- stream << value; |
- return stream.str(); |
-} |
- |
-# if GTEST_HAS_COMBINE |
- |
-// These overloads allow printing tuples in our tests. We cannot |
-// define an operator<< for tuples, as that definition needs to be in |
-// the std namespace in order to be picked up by Google Test via |
-// Argument-Dependent Lookup, yet defining anything in the std |
-// namespace in non-STL code is undefined behavior. |
- |
-template <typename T1, typename T2> |
-::std::string PrintValue(const tuple<T1, T2>& value) { |
- ::std::stringstream stream; |
- stream << "(" << get<0>(value) << ", " << get<1>(value) << ")"; |
- return stream.str(); |
-} |
- |
-template <typename T1, typename T2, typename T3> |
-::std::string PrintValue(const tuple<T1, T2, T3>& value) { |
- ::std::stringstream stream; |
- stream << "(" << get<0>(value) << ", " << get<1>(value) |
- << ", "<< get<2>(value) << ")"; |
- return stream.str(); |
-} |
- |
-template <typename T1, typename T2, typename T3, typename T4, typename T5, |
- typename T6, typename T7, typename T8, typename T9, typename T10> |
-::std::string PrintValue( |
- const tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>& value) { |
- ::std::stringstream stream; |
- stream << "(" << get<0>(value) << ", " << get<1>(value) |
- << ", "<< get<2>(value) << ", " << get<3>(value) |
- << ", "<< get<4>(value) << ", " << get<5>(value) |
- << ", "<< get<6>(value) << ", " << get<7>(value) |
- << ", "<< get<8>(value) << ", " << get<9>(value) << ")"; |
- return stream.str(); |
-} |
- |
-# endif // GTEST_HAS_COMBINE |
- |
-// Verifies that a sequence generated by the generator and accessed |
-// via the iterator object matches the expected one using Google Test |
-// assertions. |
-template <typename T, size_t N> |
-void VerifyGenerator(const ParamGenerator<T>& generator, |
- const T (&expected_values)[N]) { |
- typename ParamGenerator<T>::iterator it = generator.begin(); |
- for (size_t i = 0; i < N; ++i) { |
- ASSERT_FALSE(it == generator.end()) |
- << "At element " << i << " when accessing via an iterator " |
- << "created with the copy constructor.\n"; |
- // We cannot use EXPECT_EQ() here as the values may be tuples, |
- // which don't support <<. |
- EXPECT_TRUE(expected_values[i] == *it) |
- << "where i is " << i |
- << ", expected_values[i] is " << PrintValue(expected_values[i]) |
- << ", *it is " << PrintValue(*it) |
- << ", and 'it' is an iterator created with the copy constructor.\n"; |
- it++; |
- } |
- EXPECT_TRUE(it == generator.end()) |
- << "At the presumed end of sequence when accessing via an iterator " |
- << "created with the copy constructor.\n"; |
- |
- // Test the iterator assignment. The following lines verify that |
- // the sequence accessed via an iterator initialized via the |
- // assignment operator (as opposed to a copy constructor) matches |
- // just the same. |
- it = generator.begin(); |
- for (size_t i = 0; i < N; ++i) { |
- ASSERT_FALSE(it == generator.end()) |
- << "At element " << i << " when accessing via an iterator " |
- << "created with the assignment operator.\n"; |
- EXPECT_TRUE(expected_values[i] == *it) |
- << "where i is " << i |
- << ", expected_values[i] is " << PrintValue(expected_values[i]) |
- << ", *it is " << PrintValue(*it) |
- << ", and 'it' is an iterator created with the copy constructor.\n"; |
- it++; |
- } |
- EXPECT_TRUE(it == generator.end()) |
- << "At the presumed end of sequence when accessing via an iterator " |
- << "created with the assignment operator.\n"; |
-} |
- |
-template <typename T> |
-void VerifyGeneratorIsEmpty(const ParamGenerator<T>& generator) { |
- typename ParamGenerator<T>::iterator it = generator.begin(); |
- EXPECT_TRUE(it == generator.end()); |
- |
- it = generator.begin(); |
- EXPECT_TRUE(it == generator.end()); |
-} |
- |
-// Generator tests. They test that each of the provided generator functions |
-// generates an expected sequence of values. The general test pattern |
-// instantiates a generator using one of the generator functions, |
-// checks the sequence produced by the generator using its iterator API, |
-// and then resets the iterator back to the beginning of the sequence |
-// and checks the sequence again. |
- |
-// Tests that iterators produced by generator functions conform to the |
-// ForwardIterator concept. |
-TEST(IteratorTest, ParamIteratorConformsToForwardIteratorConcept) { |
- const ParamGenerator<int> gen = Range(0, 10); |
- ParamGenerator<int>::iterator it = gen.begin(); |
- |
- // Verifies that iterator initialization works as expected. |
- ParamGenerator<int>::iterator it2 = it; |
- EXPECT_TRUE(*it == *it2) << "Initialized iterators must point to the " |
- << "element same as its source points to"; |
- |
- // Verifies that iterator assignment works as expected. |
- it++; |
- EXPECT_FALSE(*it == *it2); |
- it2 = it; |
- EXPECT_TRUE(*it == *it2) << "Assigned iterators must point to the " |
- << "element same as its source points to"; |
- |
- // Verifies that prefix operator++() returns *this. |
- EXPECT_EQ(&it, &(++it)) << "Result of the prefix operator++ must be " |
- << "refer to the original object"; |
- |
- // Verifies that the result of the postfix operator++ points to the value |
- // pointed to by the original iterator. |
- int original_value = *it; // Have to compute it outside of macro call to be |
- // unaffected by the parameter evaluation order. |
- EXPECT_EQ(original_value, *(it++)); |
- |
- // Verifies that prefix and postfix operator++() advance an iterator |
- // all the same. |
- it2 = it; |
- it++; |
- ++it2; |
- EXPECT_TRUE(*it == *it2); |
-} |
- |
-// Tests that Range() generates the expected sequence. |
-TEST(RangeTest, IntRangeWithDefaultStep) { |
- const ParamGenerator<int> gen = Range(0, 3); |
- const int expected_values[] = {0, 1, 2}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Edge case. Tests that Range() generates the single element sequence |
-// as expected when provided with range limits that are equal. |
-TEST(RangeTest, IntRangeSingleValue) { |
- const ParamGenerator<int> gen = Range(0, 1); |
- const int expected_values[] = {0}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Edge case. Tests that Range() with generates empty sequence when |
-// supplied with an empty range. |
-TEST(RangeTest, IntRangeEmpty) { |
- const ParamGenerator<int> gen = Range(0, 0); |
- VerifyGeneratorIsEmpty(gen); |
-} |
- |
-// Tests that Range() with custom step (greater then one) generates |
-// the expected sequence. |
-TEST(RangeTest, IntRangeWithCustomStep) { |
- const ParamGenerator<int> gen = Range(0, 9, 3); |
- const int expected_values[] = {0, 3, 6}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that Range() with custom step (greater then one) generates |
-// the expected sequence when the last element does not fall on the |
-// upper range limit. Sequences generated by Range() must not have |
-// elements beyond the range limits. |
-TEST(RangeTest, IntRangeWithCustomStepOverUpperBound) { |
- const ParamGenerator<int> gen = Range(0, 4, 3); |
- const int expected_values[] = {0, 3}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Verifies that Range works with user-defined types that define |
-// copy constructor, operator=(), operator+(), and operator<(). |
-class DogAdder { |
- public: |
- explicit DogAdder(const char* a_value) : value_(a_value) {} |
- DogAdder(const DogAdder& other) : value_(other.value_.c_str()) {} |
- |
- DogAdder operator=(const DogAdder& other) { |
- if (this != &other) |
- value_ = other.value_; |
- return *this; |
- } |
- DogAdder operator+(const DogAdder& other) const { |
- Message msg; |
- msg << value_.c_str() << other.value_.c_str(); |
- return DogAdder(msg.GetString().c_str()); |
- } |
- bool operator<(const DogAdder& other) const { |
- return value_ < other.value_; |
- } |
- const ::testing::internal::String& value() const { return value_; } |
- |
- private: |
- ::testing::internal::String value_; |
-}; |
- |
-TEST(RangeTest, WorksWithACustomType) { |
- const ParamGenerator<DogAdder> gen = |
- Range(DogAdder("cat"), DogAdder("catdogdog"), DogAdder("dog")); |
- ParamGenerator<DogAdder>::iterator it = gen.begin(); |
- |
- ASSERT_FALSE(it == gen.end()); |
- EXPECT_STREQ("cat", it->value().c_str()); |
- |
- ASSERT_FALSE(++it == gen.end()); |
- EXPECT_STREQ("catdog", it->value().c_str()); |
- |
- EXPECT_TRUE(++it == gen.end()); |
-} |
- |
-class IntWrapper { |
- public: |
- explicit IntWrapper(int a_value) : value_(a_value) {} |
- IntWrapper(const IntWrapper& other) : value_(other.value_) {} |
- |
- IntWrapper operator=(const IntWrapper& other) { |
- value_ = other.value_; |
- return *this; |
- } |
- // operator+() adds a different type. |
- IntWrapper operator+(int other) const { return IntWrapper(value_ + other); } |
- bool operator<(const IntWrapper& other) const { |
- return value_ < other.value_; |
- } |
- int value() const { return value_; } |
- |
- private: |
- int value_; |
-}; |
- |
-TEST(RangeTest, WorksWithACustomTypeWithDifferentIncrementType) { |
- const ParamGenerator<IntWrapper> gen = Range(IntWrapper(0), IntWrapper(2)); |
- ParamGenerator<IntWrapper>::iterator it = gen.begin(); |
- |
- ASSERT_FALSE(it == gen.end()); |
- EXPECT_EQ(0, it->value()); |
- |
- ASSERT_FALSE(++it == gen.end()); |
- EXPECT_EQ(1, it->value()); |
- |
- EXPECT_TRUE(++it == gen.end()); |
-} |
- |
-// Tests that ValuesIn() with an array parameter generates |
-// the expected sequence. |
-TEST(ValuesInTest, ValuesInArray) { |
- int array[] = {3, 5, 8}; |
- const ParamGenerator<int> gen = ValuesIn(array); |
- VerifyGenerator(gen, array); |
-} |
- |
-// Tests that ValuesIn() with a const array parameter generates |
-// the expected sequence. |
-TEST(ValuesInTest, ValuesInConstArray) { |
- const int array[] = {3, 5, 8}; |
- const ParamGenerator<int> gen = ValuesIn(array); |
- VerifyGenerator(gen, array); |
-} |
- |
-// Edge case. Tests that ValuesIn() with an array parameter containing a |
-// single element generates the single element sequence. |
-TEST(ValuesInTest, ValuesInSingleElementArray) { |
- int array[] = {42}; |
- const ParamGenerator<int> gen = ValuesIn(array); |
- VerifyGenerator(gen, array); |
-} |
- |
-// Tests that ValuesIn() generates the expected sequence for an STL |
-// container (vector). |
-TEST(ValuesInTest, ValuesInVector) { |
- typedef ::std::vector<int> ContainerType; |
- ContainerType values; |
- values.push_back(3); |
- values.push_back(5); |
- values.push_back(8); |
- const ParamGenerator<int> gen = ValuesIn(values); |
- |
- const int expected_values[] = {3, 5, 8}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that ValuesIn() generates the expected sequence. |
-TEST(ValuesInTest, ValuesInIteratorRange) { |
- typedef ::std::vector<int> ContainerType; |
- ContainerType values; |
- values.push_back(3); |
- values.push_back(5); |
- values.push_back(8); |
- const ParamGenerator<int> gen = ValuesIn(values.begin(), values.end()); |
- |
- const int expected_values[] = {3, 5, 8}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Edge case. Tests that ValuesIn() provided with an iterator range specifying a |
-// single value generates a single-element sequence. |
-TEST(ValuesInTest, ValuesInSingleElementIteratorRange) { |
- typedef ::std::vector<int> ContainerType; |
- ContainerType values; |
- values.push_back(42); |
- const ParamGenerator<int> gen = ValuesIn(values.begin(), values.end()); |
- |
- const int expected_values[] = {42}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Edge case. Tests that ValuesIn() provided with an empty iterator range |
-// generates an empty sequence. |
-TEST(ValuesInTest, ValuesInEmptyIteratorRange) { |
- typedef ::std::vector<int> ContainerType; |
- ContainerType values; |
- const ParamGenerator<int> gen = ValuesIn(values.begin(), values.end()); |
- |
- VerifyGeneratorIsEmpty(gen); |
-} |
- |
-// Tests that the Values() generates the expected sequence. |
-TEST(ValuesTest, ValuesWorks) { |
- const ParamGenerator<int> gen = Values(3, 5, 8); |
- |
- const int expected_values[] = {3, 5, 8}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that Values() generates the expected sequences from elements of |
-// different types convertible to ParamGenerator's parameter type. |
-TEST(ValuesTest, ValuesWorksForValuesOfCompatibleTypes) { |
- const ParamGenerator<double> gen = Values(3, 5.0f, 8.0); |
- |
- const double expected_values[] = {3.0, 5.0, 8.0}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-TEST(ValuesTest, ValuesWorksForMaxLengthList) { |
- const ParamGenerator<int> gen = Values( |
- 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, |
- 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, |
- 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, |
- 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, |
- 410, 420, 430, 440, 450, 460, 470, 480, 490, 500); |
- |
- const int expected_values[] = { |
- 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, |
- 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, |
- 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, |
- 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, |
- 410, 420, 430, 440, 450, 460, 470, 480, 490, 500}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Edge case test. Tests that single-parameter Values() generates the sequence |
-// with the single value. |
-TEST(ValuesTest, ValuesWithSingleParameter) { |
- const ParamGenerator<int> gen = Values(42); |
- |
- const int expected_values[] = {42}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that Bool() generates sequence (false, true). |
-TEST(BoolTest, BoolWorks) { |
- const ParamGenerator<bool> gen = Bool(); |
- |
- const bool expected_values[] = {false, true}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-# if GTEST_HAS_COMBINE |
- |
-// Tests that Combine() with two parameters generates the expected sequence. |
-TEST(CombineTest, CombineWithTwoParameters) { |
- const char* foo = "foo"; |
- const char* bar = "bar"; |
- const ParamGenerator<tuple<const char*, int> > gen = |
- Combine(Values(foo, bar), Values(3, 4)); |
- |
- tuple<const char*, int> expected_values[] = { |
- make_tuple(foo, 3), make_tuple(foo, 4), |
- make_tuple(bar, 3), make_tuple(bar, 4)}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that Combine() with three parameters generates the expected sequence. |
-TEST(CombineTest, CombineWithThreeParameters) { |
- const ParamGenerator<tuple<int, int, int> > gen = Combine(Values(0, 1), |
- Values(3, 4), |
- Values(5, 6)); |
- tuple<int, int, int> expected_values[] = { |
- make_tuple(0, 3, 5), make_tuple(0, 3, 6), |
- make_tuple(0, 4, 5), make_tuple(0, 4, 6), |
- make_tuple(1, 3, 5), make_tuple(1, 3, 6), |
- make_tuple(1, 4, 5), make_tuple(1, 4, 6)}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that the Combine() with the first parameter generating a single value |
-// sequence generates a sequence with the number of elements equal to the |
-// number of elements in the sequence generated by the second parameter. |
-TEST(CombineTest, CombineWithFirstParameterSingleValue) { |
- const ParamGenerator<tuple<int, int> > gen = Combine(Values(42), |
- Values(0, 1)); |
- |
- tuple<int, int> expected_values[] = {make_tuple(42, 0), make_tuple(42, 1)}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that the Combine() with the second parameter generating a single value |
-// sequence generates a sequence with the number of elements equal to the |
-// number of elements in the sequence generated by the first parameter. |
-TEST(CombineTest, CombineWithSecondParameterSingleValue) { |
- const ParamGenerator<tuple<int, int> > gen = Combine(Values(0, 1), |
- Values(42)); |
- |
- tuple<int, int> expected_values[] = {make_tuple(0, 42), make_tuple(1, 42)}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// Tests that when the first parameter produces an empty sequence, |
-// Combine() produces an empty sequence, too. |
-TEST(CombineTest, CombineWithFirstParameterEmptyRange) { |
- const ParamGenerator<tuple<int, int> > gen = Combine(Range(0, 0), |
- Values(0, 1)); |
- VerifyGeneratorIsEmpty(gen); |
-} |
- |
-// Tests that when the second parameter produces an empty sequence, |
-// Combine() produces an empty sequence, too. |
-TEST(CombineTest, CombineWithSecondParameterEmptyRange) { |
- const ParamGenerator<tuple<int, int> > gen = Combine(Values(0, 1), |
- Range(1, 1)); |
- VerifyGeneratorIsEmpty(gen); |
-} |
- |
-// Edge case. Tests that combine works with the maximum number |
-// of parameters supported by Google Test (currently 10). |
-TEST(CombineTest, CombineWithMaxNumberOfParameters) { |
- const char* foo = "foo"; |
- const char* bar = "bar"; |
- const ParamGenerator<tuple<const char*, int, int, int, int, int, int, int, |
- int, int> > gen = Combine(Values(foo, bar), |
- Values(1), Values(2), |
- Values(3), Values(4), |
- Values(5), Values(6), |
- Values(7), Values(8), |
- Values(9)); |
- |
- tuple<const char*, int, int, int, int, int, int, int, int, int> |
- expected_values[] = {make_tuple(foo, 1, 2, 3, 4, 5, 6, 7, 8, 9), |
- make_tuple(bar, 1, 2, 3, 4, 5, 6, 7, 8, 9)}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-# endif // GTEST_HAS_COMBINE |
- |
-// Tests that an generator produces correct sequence after being |
-// assigned from another generator. |
-TEST(ParamGeneratorTest, AssignmentWorks) { |
- ParamGenerator<int> gen = Values(1, 2); |
- const ParamGenerator<int> gen2 = Values(3, 4); |
- gen = gen2; |
- |
- const int expected_values[] = {3, 4}; |
- VerifyGenerator(gen, expected_values); |
-} |
- |
-// This test verifies that the tests are expanded and run as specified: |
-// one test per element from the sequence produced by the generator |
-// specified in INSTANTIATE_TEST_CASE_P. It also verifies that the test's |
-// fixture constructor, SetUp(), and TearDown() have run and have been |
-// supplied with the correct parameters. |
- |
-// The use of environment object allows detection of the case where no test |
-// case functionality is run at all. In this case TestCaseTearDown will not |
-// be able to detect missing tests, naturally. |
-template <int kExpectedCalls> |
-class TestGenerationEnvironment : public ::testing::Environment { |
- public: |
- static TestGenerationEnvironment* Instance() { |
- static TestGenerationEnvironment* instance = new TestGenerationEnvironment; |
- return instance; |
- } |
- |
- void FixtureConstructorExecuted() { fixture_constructor_count_++; } |
- void SetUpExecuted() { set_up_count_++; } |
- void TearDownExecuted() { tear_down_count_++; } |
- void TestBodyExecuted() { test_body_count_++; } |
- |
- virtual void TearDown() { |
- // If all MultipleTestGenerationTest tests have been de-selected |
- // by the filter flag, the following checks make no sense. |
- bool perform_check = false; |
- |
- for (int i = 0; i < kExpectedCalls; ++i) { |
- Message msg; |
- msg << "TestsExpandedAndRun/" << i; |
- if (UnitTestOptions::FilterMatchesTest( |
- "TestExpansionModule/MultipleTestGenerationTest", |
- msg.GetString().c_str())) { |
- perform_check = true; |
- } |
- } |
- if (perform_check) { |
- EXPECT_EQ(kExpectedCalls, fixture_constructor_count_) |
- << "Fixture constructor of ParamTestGenerationTest test case " |
- << "has not been run as expected."; |
- EXPECT_EQ(kExpectedCalls, set_up_count_) |
- << "Fixture SetUp method of ParamTestGenerationTest test case " |
- << "has not been run as expected."; |
- EXPECT_EQ(kExpectedCalls, tear_down_count_) |
- << "Fixture TearDown method of ParamTestGenerationTest test case " |
- << "has not been run as expected."; |
- EXPECT_EQ(kExpectedCalls, test_body_count_) |
- << "Test in ParamTestGenerationTest test case " |
- << "has not been run as expected."; |
- } |
- } |
- private: |
- TestGenerationEnvironment() : fixture_constructor_count_(0), set_up_count_(0), |
- tear_down_count_(0), test_body_count_(0) {} |
- |
- int fixture_constructor_count_; |
- int set_up_count_; |
- int tear_down_count_; |
- int test_body_count_; |
- |
- GTEST_DISALLOW_COPY_AND_ASSIGN_(TestGenerationEnvironment); |
-}; |
- |
-const int test_generation_params[] = {36, 42, 72}; |
- |
-class TestGenerationTest : public TestWithParam<int> { |
- public: |
- enum { |
- PARAMETER_COUNT = |
- sizeof(test_generation_params)/sizeof(test_generation_params[0]) |
- }; |
- |
- typedef TestGenerationEnvironment<PARAMETER_COUNT> Environment; |
- |
- TestGenerationTest() { |
- Environment::Instance()->FixtureConstructorExecuted(); |
- current_parameter_ = GetParam(); |
- } |
- virtual void SetUp() { |
- Environment::Instance()->SetUpExecuted(); |
- EXPECT_EQ(current_parameter_, GetParam()); |
- } |
- virtual void TearDown() { |
- Environment::Instance()->TearDownExecuted(); |
- EXPECT_EQ(current_parameter_, GetParam()); |
- } |
- |
- static void SetUpTestCase() { |
- bool all_tests_in_test_case_selected = true; |
- |
- for (int i = 0; i < PARAMETER_COUNT; ++i) { |
- Message test_name; |
- test_name << "TestsExpandedAndRun/" << i; |
- if ( !UnitTestOptions::FilterMatchesTest( |
- "TestExpansionModule/MultipleTestGenerationTest", |
- test_name.GetString())) { |
- all_tests_in_test_case_selected = false; |
- } |
- } |
- EXPECT_TRUE(all_tests_in_test_case_selected) |
- << "When running the TestGenerationTest test case all of its tests\n" |
- << "must be selected by the filter flag for the test case to pass.\n" |
- << "If not all of them are enabled, we can't reliably conclude\n" |
- << "that the correct number of tests have been generated."; |
- |
- collected_parameters_.clear(); |
- } |
- |
- static void TearDownTestCase() { |
- vector<int> expected_values(test_generation_params, |
- test_generation_params + PARAMETER_COUNT); |
- // Test execution order is not guaranteed by Google Test, |
- // so the order of values in collected_parameters_ can be |
- // different and we have to sort to compare. |
- sort(expected_values.begin(), expected_values.end()); |
- sort(collected_parameters_.begin(), collected_parameters_.end()); |
- |
- EXPECT_TRUE(collected_parameters_ == expected_values); |
- } |
- protected: |
- int current_parameter_; |
- static vector<int> collected_parameters_; |
- |
- private: |
- GTEST_DISALLOW_COPY_AND_ASSIGN_(TestGenerationTest); |
-}; |
-vector<int> TestGenerationTest::collected_parameters_; |
- |
-TEST_P(TestGenerationTest, TestsExpandedAndRun) { |
- Environment::Instance()->TestBodyExecuted(); |
- EXPECT_EQ(current_parameter_, GetParam()); |
- collected_parameters_.push_back(GetParam()); |
-} |
-INSTANTIATE_TEST_CASE_P(TestExpansionModule, TestGenerationTest, |
- ValuesIn(test_generation_params)); |
- |
-// This test verifies that the element sequence (third parameter of |
-// INSTANTIATE_TEST_CASE_P) is evaluated in InitGoogleTest() and neither at |
-// the call site of INSTANTIATE_TEST_CASE_P nor in RUN_ALL_TESTS(). For |
-// that, we declare param_value_ to be a static member of |
-// GeneratorEvaluationTest and initialize it to 0. We set it to 1 in |
-// main(), just before invocation of InitGoogleTest(). After calling |
-// InitGoogleTest(), we set the value to 2. If the sequence is evaluated |
-// before or after InitGoogleTest, INSTANTIATE_TEST_CASE_P will create a |
-// test with parameter other than 1, and the test body will fail the |
-// assertion. |
-class GeneratorEvaluationTest : public TestWithParam<int> { |
- public: |
- static int param_value() { return param_value_; } |
- static void set_param_value(int param_value) { param_value_ = param_value; } |
- |
- private: |
- static int param_value_; |
-}; |
-int GeneratorEvaluationTest::param_value_ = 0; |
- |
-TEST_P(GeneratorEvaluationTest, GeneratorsEvaluatedInMain) { |
- EXPECT_EQ(1, GetParam()); |
-} |
-INSTANTIATE_TEST_CASE_P(GenEvalModule, |
- GeneratorEvaluationTest, |
- Values(GeneratorEvaluationTest::param_value())); |
- |
-// Tests that generators defined in a different translation unit are |
-// functional. Generator extern_gen is defined in gtest-param-test_test2.cc. |
-extern ParamGenerator<int> extern_gen; |
-class ExternalGeneratorTest : public TestWithParam<int> {}; |
-TEST_P(ExternalGeneratorTest, ExternalGenerator) { |
- // Sequence produced by extern_gen contains only a single value |
- // which we verify here. |
- EXPECT_EQ(GetParam(), 33); |
-} |
-INSTANTIATE_TEST_CASE_P(ExternalGeneratorModule, |
- ExternalGeneratorTest, |
- extern_gen); |
- |
-// Tests that a parameterized test case can be defined in one translation |
-// unit and instantiated in another. This test will be instantiated in |
-// gtest-param-test_test2.cc. ExternalInstantiationTest fixture class is |
-// defined in gtest-param-test_test.h. |
-TEST_P(ExternalInstantiationTest, IsMultipleOf33) { |
- EXPECT_EQ(0, GetParam() % 33); |
-} |
- |
-// Tests that a parameterized test case can be instantiated with multiple |
-// generators. |
-class MultipleInstantiationTest : public TestWithParam<int> {}; |
-TEST_P(MultipleInstantiationTest, AllowsMultipleInstances) { |
-} |
-INSTANTIATE_TEST_CASE_P(Sequence1, MultipleInstantiationTest, Values(1, 2)); |
-INSTANTIATE_TEST_CASE_P(Sequence2, MultipleInstantiationTest, Range(3, 5)); |
- |
-// Tests that a parameterized test case can be instantiated |
-// in multiple translation units. This test will be instantiated |
-// here and in gtest-param-test_test2.cc. |
-// InstantiationInMultipleTranslationUnitsTest fixture class |
-// is defined in gtest-param-test_test.h. |
-TEST_P(InstantiationInMultipleTranslaionUnitsTest, IsMultipleOf42) { |
- EXPECT_EQ(0, GetParam() % 42); |
-} |
-INSTANTIATE_TEST_CASE_P(Sequence1, |
- InstantiationInMultipleTranslaionUnitsTest, |
- Values(42, 42*2)); |
- |
-// Tests that each iteration of parameterized test runs in a separate test |
-// object. |
-class SeparateInstanceTest : public TestWithParam<int> { |
- public: |
- SeparateInstanceTest() : count_(0) {} |
- |
- static void TearDownTestCase() { |
- EXPECT_GE(global_count_, 2) |
- << "If some (but not all) SeparateInstanceTest tests have been " |
- << "filtered out this test will fail. Make sure that all " |
- << "GeneratorEvaluationTest are selected or de-selected together " |
- << "by the test filter."; |
- } |
- |
- protected: |
- int count_; |
- static int global_count_; |
-}; |
-int SeparateInstanceTest::global_count_ = 0; |
- |
-TEST_P(SeparateInstanceTest, TestsRunInSeparateInstances) { |
- EXPECT_EQ(0, count_++); |
- global_count_++; |
-} |
-INSTANTIATE_TEST_CASE_P(FourElemSequence, SeparateInstanceTest, Range(1, 4)); |
- |
-// Tests that all instantiations of a test have named appropriately. Test |
-// defined with TEST_P(TestCaseName, TestName) and instantiated with |
-// INSTANTIATE_TEST_CASE_P(SequenceName, TestCaseName, generator) must be named |
-// SequenceName/TestCaseName.TestName/i, where i is the 0-based index of the |
-// sequence element used to instantiate the test. |
-class NamingTest : public TestWithParam<int> {}; |
- |
-TEST_P(NamingTest, TestsReportCorrectNamesAndParameters) { |
- const ::testing::TestInfo* const test_info = |
- ::testing::UnitTest::GetInstance()->current_test_info(); |
- |
- EXPECT_STREQ("ZeroToFiveSequence/NamingTest", test_info->test_case_name()); |
- |
- Message index_stream; |
- index_stream << "TestsReportCorrectNamesAndParameters/" << GetParam(); |
- EXPECT_STREQ(index_stream.GetString().c_str(), test_info->name()); |
- |
- EXPECT_EQ(::testing::PrintToString(GetParam()), test_info->value_param()); |
-} |
- |
-INSTANTIATE_TEST_CASE_P(ZeroToFiveSequence, NamingTest, Range(0, 5)); |
- |
-// Class that cannot be streamed into an ostream. It needs to be copyable |
-// (and, in case of MSVC, also assignable) in order to be a test parameter |
-// type. Its default copy constructor and assignment operator do exactly |
-// what we need. |
-class Unstreamable { |
- public: |
- explicit Unstreamable(int value) : value_(value) {} |
- |
- private: |
- int value_; |
-}; |
- |
-class CommentTest : public TestWithParam<Unstreamable> {}; |
- |
-TEST_P(CommentTest, TestsCorrectlyReportUnstreamableParams) { |
- const ::testing::TestInfo* const test_info = |
- ::testing::UnitTest::GetInstance()->current_test_info(); |
- |
- EXPECT_EQ(::testing::PrintToString(GetParam()), test_info->value_param()); |
-} |
- |
-INSTANTIATE_TEST_CASE_P(InstantiationWithComments, |
- CommentTest, |
- Values(Unstreamable(1))); |
- |
-// Verify that we can create a hierarchy of test fixtures, where the base |
-// class fixture is not parameterized and the derived class is. In this case |
-// ParameterizedDerivedTest inherits from NonParameterizedBaseTest. We |
-// perform simple tests on both. |
-class NonParameterizedBaseTest : public ::testing::Test { |
- public: |
- NonParameterizedBaseTest() : n_(17) { } |
- protected: |
- int n_; |
-}; |
- |
-class ParameterizedDerivedTest : public NonParameterizedBaseTest, |
- public ::testing::WithParamInterface<int> { |
- protected: |
- ParameterizedDerivedTest() : count_(0) { } |
- int count_; |
- static int global_count_; |
-}; |
- |
-int ParameterizedDerivedTest::global_count_ = 0; |
- |
-TEST_F(NonParameterizedBaseTest, FixtureIsInitialized) { |
- EXPECT_EQ(17, n_); |
-} |
- |
-TEST_P(ParameterizedDerivedTest, SeesSequence) { |
- EXPECT_EQ(17, n_); |
- EXPECT_EQ(0, count_++); |
- EXPECT_EQ(GetParam(), global_count_++); |
-} |
- |
-INSTANTIATE_TEST_CASE_P(RangeZeroToFive, ParameterizedDerivedTest, Range(0, 5)); |
- |
-#endif // GTEST_HAS_PARAM_TEST |
- |
-TEST(CompileTest, CombineIsDefinedOnlyWhenGtestHasParamTestIsDefined) { |
-#if GTEST_HAS_COMBINE && !GTEST_HAS_PARAM_TEST |
- FAIL() << "GTEST_HAS_COMBINE is defined while GTEST_HAS_PARAM_TEST is not\n" |
-#endif |
-} |
- |
-int main(int argc, char **argv) { |
-#if GTEST_HAS_PARAM_TEST |
- // Used in TestGenerationTest test case. |
- AddGlobalTestEnvironment(TestGenerationTest::Environment::Instance()); |
- // Used in GeneratorEvaluationTest test case. Tests that the updated value |
- // will be picked up for instantiating tests in GeneratorEvaluationTest. |
- GeneratorEvaluationTest::set_param_value(1); |
-#endif // GTEST_HAS_PARAM_TEST |
- |
- ::testing::InitGoogleTest(&argc, argv); |
- |
-#if GTEST_HAS_PARAM_TEST |
- // Used in GeneratorEvaluationTest test case. Tests that value updated |
- // here will NOT be used for instantiating tests in |
- // GeneratorEvaluationTest. |
- GeneratorEvaluationTest::set_param_value(2); |
-#endif // GTEST_HAS_PARAM_TEST |
- |
- return RUN_ALL_TESTS(); |
-} |