488 lines
18 KiB
Text
488 lines
18 KiB
Text
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$$ -*- mode: c++; -*-
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$var n = 50 $$ Maximum length of Values arguments we want to support.
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$var maxtuple = 10 $$ Maximum number of Combine arguments we want to support.
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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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// Authors: vladl@google.com (Vlad Losev)
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//
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// Macros and functions for implementing parameterized tests
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// in Google C++ Testing Framework (Google Test)
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//
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// This file is generated by a SCRIPT. DO NOT EDIT BY HAND!
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//
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#ifndef GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
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#define GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
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// Value-parameterized tests allow you to test your code with different
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// parameters without writing multiple copies of the same test.
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//
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// Here is how you use value-parameterized tests:
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#if 0
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// To write value-parameterized tests, first you should define a fixture
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// class. It is usually derived from testing::TestWithParam<T> (see below for
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// another inheritance scheme that's sometimes useful in more complicated
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// class hierarchies), where the type of your parameter values.
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// TestWithParam<T> is itself derived from testing::Test. T can be any
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// copyable type. If it's a raw pointer, you are responsible for managing the
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// lifespan of the pointed values.
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class FooTest : public ::testing::TestWithParam<const char*> {
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// You can implement all the usual class fixture members here.
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};
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// Then, use the TEST_P macro to define as many parameterized tests
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// for this fixture as you want. The _P suffix is for "parameterized"
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// or "pattern", whichever you prefer to think.
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TEST_P(FooTest, DoesBlah) {
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// Inside a test, access the test parameter with the GetParam() method
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// of the TestWithParam<T> class:
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EXPECT_TRUE(foo.Blah(GetParam()));
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...
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}
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TEST_P(FooTest, HasBlahBlah) {
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...
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}
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// Finally, you can use INSTANTIATE_TEST_CASE_P to instantiate the test
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// case with any set of parameters you want. Google Test defines a number
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// of functions for generating test parameters. They return what we call
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// (surprise!) parameter generators. Here is a summary of them, which
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// are all in the testing namespace:
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//
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//
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// Range(begin, end [, step]) - Yields values {begin, begin+step,
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// begin+step+step, ...}. The values do not
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// include end. step defaults to 1.
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// Values(v1, v2, ..., vN) - Yields values {v1, v2, ..., vN}.
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// ValuesIn(container) - Yields values from a C-style array, an STL
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// ValuesIn(begin,end) container, or an iterator range [begin, end).
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// Bool() - Yields sequence {false, true}.
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// Combine(g1, g2, ..., gN) - Yields all combinations (the Cartesian product
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// for the math savvy) of the values generated
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// by the N generators.
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//
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// For more details, see comments at the definitions of these functions below
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// in this file.
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//
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// The following statement will instantiate tests from the FooTest test case
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// each with parameter values "meeny", "miny", and "moe".
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INSTANTIATE_TEST_CASE_P(InstantiationName,
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FooTest,
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Values("meeny", "miny", "moe"));
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// To distinguish different instances of the pattern, (yes, you
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// can instantiate it more then once) the first argument to the
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// INSTANTIATE_TEST_CASE_P macro is a prefix that will be added to the
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// actual test case name. Remember to pick unique prefixes for different
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// instantiations. The tests from the instantiation above will have
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// these names:
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//
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// * InstantiationName/FooTest.DoesBlah/0 for "meeny"
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// * InstantiationName/FooTest.DoesBlah/1 for "miny"
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// * InstantiationName/FooTest.DoesBlah/2 for "moe"
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// * InstantiationName/FooTest.HasBlahBlah/0 for "meeny"
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// * InstantiationName/FooTest.HasBlahBlah/1 for "miny"
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// * InstantiationName/FooTest.HasBlahBlah/2 for "moe"
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//
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// You can use these names in --gtest_filter.
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//
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// This statement will instantiate all tests from FooTest again, each
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// with parameter values "cat" and "dog":
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const char* pets[] = {"cat", "dog"};
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INSTANTIATE_TEST_CASE_P(AnotherInstantiationName, FooTest, ValuesIn(pets));
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// The tests from the instantiation above will have these names:
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//
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// * AnotherInstantiationName/FooTest.DoesBlah/0 for "cat"
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// * AnotherInstantiationName/FooTest.DoesBlah/1 for "dog"
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// * AnotherInstantiationName/FooTest.HasBlahBlah/0 for "cat"
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// * AnotherInstantiationName/FooTest.HasBlahBlah/1 for "dog"
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//
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// Please note that INSTANTIATE_TEST_CASE_P will instantiate all tests
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// in the given test case, whether their definitions come before or
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// AFTER the INSTANTIATE_TEST_CASE_P statement.
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//
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// Please also note that generator expressions (including parameters to the
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// generators) are evaluated in InitGoogleTest(), after main() has started.
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// This allows the user on one hand, to adjust generator parameters in order
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// to dynamically determine a set of tests to run and on the other hand,
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// give the user a chance to inspect the generated tests with Google Test
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// reflection API before RUN_ALL_TESTS() is executed.
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//
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// You can see samples/sample7_unittest.cc and samples/sample8_unittest.cc
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// for more examples.
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//
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// In the future, we plan to publish the API for defining new parameter
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// generators. But for now this interface remains part of the internal
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// implementation and is subject to change.
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//
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//
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// A parameterized test fixture must be derived from testing::Test and from
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// testing::WithParamInterface<T>, where T is the type of the parameter
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// values. Inheriting from TestWithParam<T> satisfies that requirement because
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// TestWithParam<T> inherits from both Test and WithParamInterface. In more
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// complicated hierarchies, however, it is occasionally useful to inherit
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// separately from Test and WithParamInterface. For example:
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class BaseTest : public ::testing::Test {
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// You can inherit all the usual members for a non-parameterized test
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// fixture here.
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};
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class DerivedTest : public BaseTest, public ::testing::WithParamInterface<int> {
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// The usual test fixture members go here too.
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};
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TEST_F(BaseTest, HasFoo) {
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// This is an ordinary non-parameterized test.
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}
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TEST_P(DerivedTest, DoesBlah) {
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// GetParam works just the same here as if you inherit from TestWithParam.
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EXPECT_TRUE(foo.Blah(GetParam()));
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}
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#endif // 0
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#include "gtest/internal/gtest-port.h"
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#if !GTEST_OS_SYMBIAN
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# include <utility>
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#endif
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// scripts/fuse_gtest.py depends on gtest's own header being #included
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// *unconditionally*. Therefore these #includes cannot be moved
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// inside #if GTEST_HAS_PARAM_TEST.
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#include "gtest/internal/gtest-internal.h"
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#include "gtest/internal/gtest-param-util.h"
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#include "gtest/internal/gtest-param-util-generated.h"
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#if GTEST_HAS_PARAM_TEST
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namespace testing {
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// Functions producing parameter generators.
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//
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// Google Test uses these generators to produce parameters for value-
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// parameterized tests. When a parameterized test case is instantiated
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// with a particular generator, Google Test creates and runs tests
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// for each element in the sequence produced by the generator.
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//
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// In the following sample, tests from test case FooTest are instantiated
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// each three times with parameter values 3, 5, and 8:
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//
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// class FooTest : public TestWithParam<int> { ... };
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//
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// TEST_P(FooTest, TestThis) {
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// }
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// TEST_P(FooTest, TestThat) {
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// }
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// INSTANTIATE_TEST_CASE_P(TestSequence, FooTest, Values(3, 5, 8));
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//
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// Range() returns generators providing sequences of values in a range.
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//
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// Synopsis:
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// Range(start, end)
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// - returns a generator producing a sequence of values {start, start+1,
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// start+2, ..., }.
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// Range(start, end, step)
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// - returns a generator producing a sequence of values {start, start+step,
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// start+step+step, ..., }.
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// Notes:
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// * The generated sequences never include end. For example, Range(1, 5)
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// returns a generator producing a sequence {1, 2, 3, 4}. Range(1, 9, 2)
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// returns a generator producing {1, 3, 5, 7}.
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// * start and end must have the same type. That type may be any integral or
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// floating-point type or a user defined type satisfying these conditions:
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// * It must be assignable (have operator=() defined).
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// * It must have operator+() (operator+(int-compatible type) for
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// two-operand version).
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// * It must have operator<() defined.
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// Elements in the resulting sequences will also have that type.
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// * Condition start < end must be satisfied in order for resulting sequences
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// to contain any elements.
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//
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template <typename T, typename IncrementT>
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internal::ParamGenerator<T> Range(T start, T end, IncrementT step) {
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return internal::ParamGenerator<T>(
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new internal::RangeGenerator<T, IncrementT>(start, end, step));
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}
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template <typename T>
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internal::ParamGenerator<T> Range(T start, T end) {
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return Range(start, end, 1);
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}
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// ValuesIn() function allows generation of tests with parameters coming from
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// a container.
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//
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// Synopsis:
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// ValuesIn(const T (&array)[N])
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// - returns a generator producing sequences with elements from
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// a C-style array.
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// ValuesIn(const Container& container)
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// - returns a generator producing sequences with elements from
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// an STL-style container.
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// ValuesIn(Iterator begin, Iterator end)
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// - returns a generator producing sequences with elements from
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// a range [begin, end) defined by a pair of STL-style iterators. These
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// iterators can also be plain C pointers.
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//
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// Please note that ValuesIn copies the values from the containers
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// passed in and keeps them to generate tests in RUN_ALL_TESTS().
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//
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// Examples:
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//
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// This instantiates tests from test case StringTest
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// each with C-string values of "foo", "bar", and "baz":
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//
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// const char* strings[] = {"foo", "bar", "baz"};
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// INSTANTIATE_TEST_CASE_P(StringSequence, SrtingTest, ValuesIn(strings));
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//
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// This instantiates tests from test case StlStringTest
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// each with STL strings with values "a" and "b":
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//
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// ::std::vector< ::std::string> GetParameterStrings() {
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// ::std::vector< ::std::string> v;
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// v.push_back("a");
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// v.push_back("b");
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// return v;
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// }
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//
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// INSTANTIATE_TEST_CASE_P(CharSequence,
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// StlStringTest,
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// ValuesIn(GetParameterStrings()));
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//
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//
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// This will also instantiate tests from CharTest
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// each with parameter values 'a' and 'b':
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//
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// ::std::list<char> GetParameterChars() {
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// ::std::list<char> list;
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// list.push_back('a');
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// list.push_back('b');
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// return list;
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// }
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// ::std::list<char> l = GetParameterChars();
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// INSTANTIATE_TEST_CASE_P(CharSequence2,
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// CharTest,
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// ValuesIn(l.begin(), l.end()));
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//
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template <typename ForwardIterator>
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internal::ParamGenerator<
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typename ::testing::internal::IteratorTraits<ForwardIterator>::value_type>
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ValuesIn(ForwardIterator begin, ForwardIterator end) {
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typedef typename ::testing::internal::IteratorTraits<ForwardIterator>
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::value_type ParamType;
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return internal::ParamGenerator<ParamType>(
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new internal::ValuesInIteratorRangeGenerator<ParamType>(begin, end));
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}
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template <typename T, size_t N>
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internal::ParamGenerator<T> ValuesIn(const T (&array)[N]) {
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return ValuesIn(array, array + N);
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}
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template <class Container>
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internal::ParamGenerator<typename Container::value_type> ValuesIn(
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const Container& container) {
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return ValuesIn(container.begin(), container.end());
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}
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// Values() allows generating tests from explicitly specified list of
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// parameters.
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//
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// Synopsis:
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// Values(T v1, T v2, ..., T vN)
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// - returns a generator producing sequences with elements v1, v2, ..., vN.
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//
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// For example, this instantiates tests from test case BarTest each
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// with values "one", "two", and "three":
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//
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// INSTANTIATE_TEST_CASE_P(NumSequence, BarTest, Values("one", "two", "three"));
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//
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// This instantiates tests from test case BazTest each with values 1, 2, 3.5.
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// The exact type of values will depend on the type of parameter in BazTest.
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//
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// INSTANTIATE_TEST_CASE_P(FloatingNumbers, BazTest, Values(1, 2, 3.5));
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//
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// Currently, Values() supports from 1 to $n parameters.
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//
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$range i 1..n
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$for i [[
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$range j 1..i
|
||
|
|
|
||
|
|
template <$for j, [[typename T$j]]>
|
||
|
|
internal::ValueArray$i<$for j, [[T$j]]> Values($for j, [[T$j v$j]]) {
|
||
|
|
return internal::ValueArray$i<$for j, [[T$j]]>($for j, [[v$j]]);
|
||
|
|
}
|
||
|
|
|
||
|
|
]]
|
||
|
|
|
||
|
|
// Bool() allows generating tests with parameters in a set of (false, true).
|
||
|
|
//
|
||
|
|
// Synopsis:
|
||
|
|
// Bool()
|
||
|
|
// - returns a generator producing sequences with elements {false, true}.
|
||
|
|
//
|
||
|
|
// It is useful when testing code that depends on Boolean flags. Combinations
|
||
|
|
// of multiple flags can be tested when several Bool()'s are combined using
|
||
|
|
// Combine() function.
|
||
|
|
//
|
||
|
|
// In the following example all tests in the test case FlagDependentTest
|
||
|
|
// will be instantiated twice with parameters false and true.
|
||
|
|
//
|
||
|
|
// class FlagDependentTest : public testing::TestWithParam<bool> {
|
||
|
|
// virtual void SetUp() {
|
||
|
|
// external_flag = GetParam();
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
// INSTANTIATE_TEST_CASE_P(BoolSequence, FlagDependentTest, Bool());
|
||
|
|
//
|
||
|
|
inline internal::ParamGenerator<bool> Bool() {
|
||
|
|
return Values(false, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
# if GTEST_HAS_COMBINE
|
||
|
|
// Combine() allows the user to combine two or more sequences to produce
|
||
|
|
// values of a Cartesian product of those sequences' elements.
|
||
|
|
//
|
||
|
|
// Synopsis:
|
||
|
|
// Combine(gen1, gen2, ..., genN)
|
||
|
|
// - returns a generator producing sequences with elements coming from
|
||
|
|
// the Cartesian product of elements from the sequences generated by
|
||
|
|
// gen1, gen2, ..., genN. The sequence elements will have a type of
|
||
|
|
// tuple<T1, T2, ..., TN> where T1, T2, ..., TN are the types
|
||
|
|
// of elements from sequences produces by gen1, gen2, ..., genN.
|
||
|
|
//
|
||
|
|
// Combine can have up to $maxtuple arguments. This number is currently limited
|
||
|
|
// by the maximum number of elements in the tuple implementation used by Google
|
||
|
|
// Test.
|
||
|
|
//
|
||
|
|
// Example:
|
||
|
|
//
|
||
|
|
// This will instantiate tests in test case AnimalTest each one with
|
||
|
|
// the parameter values tuple("cat", BLACK), tuple("cat", WHITE),
|
||
|
|
// tuple("dog", BLACK), and tuple("dog", WHITE):
|
||
|
|
//
|
||
|
|
// enum Color { BLACK, GRAY, WHITE };
|
||
|
|
// class AnimalTest
|
||
|
|
// : public testing::TestWithParam<tuple<const char*, Color> > {...};
|
||
|
|
//
|
||
|
|
// TEST_P(AnimalTest, AnimalLooksNice) {...}
|
||
|
|
//
|
||
|
|
// INSTANTIATE_TEST_CASE_P(AnimalVariations, AnimalTest,
|
||
|
|
// Combine(Values("cat", "dog"),
|
||
|
|
// Values(BLACK, WHITE)));
|
||
|
|
//
|
||
|
|
// This will instantiate tests in FlagDependentTest with all variations of two
|
||
|
|
// Boolean flags:
|
||
|
|
//
|
||
|
|
// class FlagDependentTest
|
||
|
|
// : public testing::TestWithParam<tuple(bool, bool)> > {
|
||
|
|
// virtual void SetUp() {
|
||
|
|
// // Assigns external_flag_1 and external_flag_2 values from the tuple.
|
||
|
|
// tie(external_flag_1, external_flag_2) = GetParam();
|
||
|
|
// }
|
||
|
|
// };
|
||
|
|
//
|
||
|
|
// TEST_P(FlagDependentTest, TestFeature1) {
|
||
|
|
// // Test your code using external_flag_1 and external_flag_2 here.
|
||
|
|
// }
|
||
|
|
// INSTANTIATE_TEST_CASE_P(TwoBoolSequence, FlagDependentTest,
|
||
|
|
// Combine(Bool(), Bool()));
|
||
|
|
//
|
||
|
|
$range i 2..maxtuple
|
||
|
|
$for i [[
|
||
|
|
$range j 1..i
|
||
|
|
|
||
|
|
template <$for j, [[typename Generator$j]]>
|
||
|
|
internal::CartesianProductHolder$i<$for j, [[Generator$j]]> Combine(
|
||
|
|
$for j, [[const Generator$j& g$j]]) {
|
||
|
|
return internal::CartesianProductHolder$i<$for j, [[Generator$j]]>(
|
||
|
|
$for j, [[g$j]]);
|
||
|
|
}
|
||
|
|
|
||
|
|
]]
|
||
|
|
# endif // GTEST_HAS_COMBINE
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
# define TEST_P(test_case_name, test_name) \
|
||
|
|
class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \
|
||
|
|
: public test_case_name { \
|
||
|
|
public: \
|
||
|
|
GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {} \
|
||
|
|
virtual void TestBody(); \
|
||
|
|
private: \
|
||
|
|
static int AddToRegistry() { \
|
||
|
|
::testing::UnitTest::GetInstance()->parameterized_test_registry(). \
|
||
|
|
GetTestCasePatternHolder<test_case_name>(\
|
||
|
|
#test_case_name, __FILE__, __LINE__)->AddTestPattern(\
|
||
|
|
#test_case_name, \
|
||
|
|
#test_name, \
|
||
|
|
new ::testing::internal::TestMetaFactory< \
|
||
|
|
GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>()); \
|
||
|
|
return 0; \
|
||
|
|
} \
|
||
|
|
static int gtest_registering_dummy_; \
|
||
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(\
|
||
|
|
GTEST_TEST_CLASS_NAME_(test_case_name, test_name)); \
|
||
|
|
}; \
|
||
|
|
int GTEST_TEST_CLASS_NAME_(test_case_name, \
|
||
|
|
test_name)::gtest_registering_dummy_ = \
|
||
|
|
GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::AddToRegistry(); \
|
||
|
|
void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody()
|
||
|
|
|
||
|
|
# define INSTANTIATE_TEST_CASE_P(prefix, test_case_name, generator) \
|
||
|
|
::testing::internal::ParamGenerator<test_case_name::ParamType> \
|
||
|
|
gtest_##prefix##test_case_name##_EvalGenerator_() { return generator; } \
|
||
|
|
int gtest_##prefix##test_case_name##_dummy_ = \
|
||
|
|
::testing::UnitTest::GetInstance()->parameterized_test_registry(). \
|
||
|
|
GetTestCasePatternHolder<test_case_name>(\
|
||
|
|
#test_case_name, __FILE__, __LINE__)->AddTestCaseInstantiation(\
|
||
|
|
#prefix, \
|
||
|
|
>est_##prefix##test_case_name##_EvalGenerator_, \
|
||
|
|
__FILE__, __LINE__)
|
||
|
|
|
||
|
|
} // namespace testing
|
||
|
|
|
||
|
|
#endif // GTEST_HAS_PARAM_TEST
|
||
|
|
|
||
|
|
#endif // GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_
|