Replace more pump'd code with variadic templates. PiperOrigin-RevId: 235584585pull/2158/head
Abseil Team
6 years ago
committed by
Gennadiy Civil
parent
5154386c5f
commit
efecb0bfa6
6 changed files with 134 additions and 2883 deletions
@ -1,493 +0,0 @@ |
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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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// Macros and functions for implementing parameterized tests |
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// in Google C++ Testing and Mocking 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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// GOOGLETEST_CM0001 DO NOT DELETE |
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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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|
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|
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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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|
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#if 0 |
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|
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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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|
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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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|
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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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|
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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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|
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TEST_P(FooTest, HasBlahBlah) { |
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... |
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} |
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|
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// Finally, you can use INSTANTIATE_TEST_SUITE_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 suite |
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// each with parameter values "meeny", "miny", and "moe". |
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|
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INSTANTIATE_TEST_SUITE_P(InstantiationName, |
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FooTest, |
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Values("meeny", "miny", "moe")); |
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|
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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_SUITE_P macro is a prefix that will be added to the |
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// actual test suite 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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|
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const char* pets[] = {"cat", "dog"}; |
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INSTANTIATE_TEST_SUITE_P(AnotherInstantiationName, FooTest, ValuesIn(pets)); |
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|
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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_SUITE_P will instantiate all tests |
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// in the given test suite, whether their definitions come before or |
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// AFTER the INSTANTIATE_TEST_SUITE_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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|
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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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|
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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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|
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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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|
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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 <utility> |
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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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#include "gtest/internal/gtest-port.h" |
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|
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namespace testing { |
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|
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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 suite 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 suite 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_SUITE_P(TestSequence, FooTest, Values(3, 5, 8)); |
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// |
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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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|
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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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|
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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 suite 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_SUITE_P(StringSequence, StringTest, ValuesIn(strings)); |
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// |
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// This instantiates tests from test suite 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_SUITE_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_SUITE_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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|
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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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|
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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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|
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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 suite BarTest each |
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// with values "one", "two", and "three": |
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// |
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// INSTANTIATE_TEST_SUITE_P(NumSequence, |
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// BarTest, |
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// Values("one", "two", "three")); |
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// |
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// This instantiates tests from test suite 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_SUITE_P(FloatingNumbers, BazTest, Values(1, 2, 3.5)); |
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// |
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// |
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template <typename... T> |
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internal::ValueArray<T...> Values(T... v) { |
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return internal::ValueArray<T...>(std::move(v)...); |
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} |
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|
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// Bool() allows generating tests with parameters in a set of (false, true). |
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// |
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// Synopsis: |
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// Bool() |
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// - returns a generator producing sequences with elements {false, true}. |
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// |
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// It is useful when testing code that depends on Boolean flags. Combinations |
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// of multiple flags can be tested when several Bool()'s are combined using |
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// Combine() function. |
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// |
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// In the following example all tests in the test suite FlagDependentTest |
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// will be instantiated twice with parameters false and true. |
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// |
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// class FlagDependentTest : public testing::TestWithParam<bool> { |
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// virtual void SetUp() { |
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// external_flag = GetParam(); |
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// } |
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// } |
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// INSTANTIATE_TEST_SUITE_P(BoolSequence, FlagDependentTest, Bool()); |
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// |
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inline internal::ParamGenerator<bool> Bool() { |
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return Values(false, true); |
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} |
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|
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// Combine() allows the user to combine two or more sequences to produce |
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// values of a Cartesian product of those sequences' elements. |
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// |
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// Synopsis: |
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// Combine(gen1, gen2, ..., genN) |
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// - returns a generator producing sequences with elements coming from |
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// the Cartesian product of elements from the sequences generated by |
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// gen1, gen2, ..., genN. The sequence elements will have a type of |
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// std::tuple<T1, T2, ..., TN> where T1, T2, ..., TN are the types |
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// of elements from sequences produces by gen1, gen2, ..., genN. |
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// |
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// Combine can have up to $maxtuple arguments. |
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// |
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// Example: |
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// |
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// This will instantiate tests in test suite AnimalTest each one with |
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// the parameter values tuple("cat", BLACK), tuple("cat", WHITE), |
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// tuple("dog", BLACK), and tuple("dog", WHITE): |
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// |
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// enum Color { BLACK, GRAY, WHITE }; |
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// class AnimalTest |
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// : public testing::TestWithParam<std::tuple<const char*, Color> > {...}; |
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// |
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// TEST_P(AnimalTest, AnimalLooksNice) {...} |
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// |
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// INSTANTIATE_TEST_SUITE_P(AnimalVariations, AnimalTest, |
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// Combine(Values("cat", "dog"), |
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// Values(BLACK, WHITE))); |
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// |
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// This will instantiate tests in FlagDependentTest with all variations of two |
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// Boolean flags: |
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// |
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// class FlagDependentTest |
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// : public testing::TestWithParam<std::tuple<bool, bool> > { |
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// virtual void SetUp() { |
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// // Assigns external_flag_1 and external_flag_2 values from the tuple. |
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// std::tie(external_flag_1, external_flag_2) = GetParam(); |
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// } |
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// }; |
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// |
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// TEST_P(FlagDependentTest, TestFeature1) { |
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// // Test your code using external_flag_1 and external_flag_2 here. |
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// } |
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// INSTANTIATE_TEST_SUITE_P(TwoBoolSequence, FlagDependentTest, |
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// Combine(Bool(), Bool())); |
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// |
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$range i 2..maxtuple |
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$for i [[ |
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$range j 1..i |
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|
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template <$for j, [[typename Generator$j]]> |
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internal::CartesianProductHolder$i<$for j, [[Generator$j]]> Combine( |
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$for j, [[const Generator$j& g$j]]) { |
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return internal::CartesianProductHolder$i<$for j, [[Generator$j]]>( |
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$for j, [[g$j]]); |
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} |
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|
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]] |
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|
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# define TEST_P(test_suite_name, test_name) \ |
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class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \ |
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: public test_suite_name { \ |
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public: \ |
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GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() {} \ |
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virtual void TestBody(); \ |
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private: \ |
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static int AddToRegistry() { \ |
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::testing::UnitTest::GetInstance()->parameterized_test_registry(). \ |
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GetTestSuitePatternHolder<test_suite_name>(\ |
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#test_suite_name, \ |
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::testing::internal::CodeLocation(\ |
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__FILE__, __LINE__))->AddTestPattern(\ |
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GTEST_STRINGIFY_(test_suite_name), \ |
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GTEST_STRINGIFY_(test_name), \ |
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new ::testing::internal::TestMetaFactory< \ |
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GTEST_TEST_CLASS_NAME_(\ |
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test_suite_name, test_name)>()); \ |
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return 0; \ |
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} \ |
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static int gtest_registering_dummy_ GTEST_ATTRIBUTE_UNUSED_; \ |
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GTEST_DISALLOW_COPY_AND_ASSIGN_(\ |
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GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)); \ |
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}; \ |
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int GTEST_TEST_CLASS_NAME_(test_suite_name, \ |
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test_name)::gtest_registering_dummy_ = \ |
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GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::AddToRegistry(); \ |
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void GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::TestBody() |
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|
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// The optional last argument to INSTANTIATE_TEST_SUITE_P allows the user |
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// to specify a function or functor that generates custom test name suffixes |
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// based on the test parameters. The function should accept one argument of |
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// type testing::TestParamInfo<class ParamType>, and return std::string. |
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// |
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// testing::PrintToStringParamName is a builtin test suffix generator that |
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// returns the value of testing::PrintToString(GetParam()). |
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// |
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// Note: test names must be non-empty, unique, and may only contain ASCII |
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// alphanumeric characters or underscore. Because PrintToString adds quotes |
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// to std::string and C strings, it won't work for these types. |
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|
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# define INSTANTIATE_TEST_SUITE_P(prefix, test_suite_name, generator, ...) \ |
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static ::testing::internal::ParamGenerator<test_suite_name::ParamType> \ |
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gtest_##prefix##test_suite_name##_EvalGenerator_() { return generator; } \ |
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static ::std::string gtest_##prefix##test_suite_name##_EvalGenerateName_( \ |
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const ::testing::TestParamInfo<test_suite_name::ParamType>& info) { \ |
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return ::testing::internal::GetParamNameGen<test_suite_name::ParamType> \ |
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(__VA_ARGS__)(info); \ |
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} \ |
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static int gtest_##prefix##test_suite_name##_dummy_ GTEST_ATTRIBUTE_UNUSED_ = \ |
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::testing::UnitTest::GetInstance()->parameterized_test_registry(). \ |
||||
GetTestSuitePatternHolder<test_suite_name>(\ |
||||
#test_suite_name, \ |
||||
::testing::internal::CodeLocation(\ |
||||
__FILE__, __LINE__))->AddTestSuiteInstantiation(\ |
||||
#prefix, \ |
||||
>est_##prefix##test_suite_name##_EvalGenerator_, \ |
||||
>est_##prefix##test_suite_name##_EvalGenerateName_, \ |
||||
__FILE__, __LINE__) |
||||
|
||||
// Legacy API is deprecated but still available |
||||
#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_ |
||||
#define INSTANTIATE_TEST_CASE_P INSTANTIATE_TEST_SUITE_P |
||||
#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_ |
||||
|
||||
} // namespace testing |
||||
|
||||
#endif // GTEST_INCLUDE_GTEST_GTEST_PARAM_TEST_H_ |
||||
File diff suppressed because it is too large
Load Diff
@ -1,237 +0,0 @@ |
||||
$$ -*- mode: c++; -*- |
||||
$var n = 50 $$ Maximum length of Values arguments we want to support. |
||||
$var maxtuple = 10 $$ Maximum number of Combine arguments we want to support. |
||||
// 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. |
||||
|
||||
|
||||
// Type and function utilities for implementing parameterized tests. |
||||
// This file is generated by a SCRIPT. DO NOT EDIT BY HAND! |
||||
// |
||||
// Currently Google Test supports at most $n arguments in Values, |
||||
// and at most $maxtuple arguments in Combine. Please contact |
||||
// googletestframework@googlegroups.com if you need more. |
||||
// Please note that the number of arguments to Combine is limited |
||||
// by the maximum arity of the implementation of tuple which is |
||||
// currently set at $maxtuple. |
||||
|
||||
// GOOGLETEST_CM0001 DO NOT DELETE |
||||
|
||||
#include <assert.h> |
||||
|
||||
#include <memory> |
||||
|
||||
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_ |
||||
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_ |
||||
|
||||
#include "gtest/internal/gtest-param-util.h" |
||||
#include "gtest/internal/gtest-port.h" |
||||
|
||||
namespace testing { |
||||
|
||||
namespace internal { |
||||
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. |
||||
// |
||||
// Generates values from the Cartesian product of values produced |
||||
// by the argument generators. |
||||
// |
||||
$range i 2..maxtuple |
||||
$for i [[ |
||||
$range j 1..i |
||||
$range k 2..i |
||||
|
||||
template <$for j, [[typename T$j]]> |
||||
class CartesianProductGenerator$i |
||||
: public ParamGeneratorInterface< ::std::tuple<$for j, [[T$j]]> > { |
||||
public: |
||||
typedef ::std::tuple<$for j, [[T$j]]> ParamType; |
||||
|
||||
CartesianProductGenerator$i($for j, [[const ParamGenerator<T$j>& g$j]]) |
||||
: $for j, [[g$(j)_(g$j)]] {} |
||||
~CartesianProductGenerator$i() override {} |
||||
|
||||
ParamIteratorInterface<ParamType>* Begin() const override { |
||||
return new Iterator(this, $for j, [[g$(j)_, g$(j)_.begin()]]); |
||||
} |
||||
ParamIteratorInterface<ParamType>* End() const override { |
||||
return new Iterator(this, $for j, [[g$(j)_, g$(j)_.end()]]); |
||||
} |
||||
|
||||
private: |
||||
class Iterator : public ParamIteratorInterface<ParamType> { |
||||
public: |
||||
Iterator(const ParamGeneratorInterface<ParamType>* base, $for j, [[ |
||||
|
||||
const ParamGenerator<T$j>& g$j, |
||||
const typename ParamGenerator<T$j>::iterator& current$(j)]]) |
||||
: base_(base), |
||||
$for j, [[ |
||||
|
||||
begin$(j)_(g$j.begin()), end$(j)_(g$j.end()), current$(j)_(current$j) |
||||
]] { |
||||
ComputeCurrentValue(); |
||||
} |
||||
~Iterator() override {} |
||||
|
||||
const ParamGeneratorInterface<ParamType>* BaseGenerator() const override { |
||||
return base_; |
||||
} |
||||
// Advance should not be called on beyond-of-range iterators |
||||
// so no component iterators must be beyond end of range, either. |
||||
void Advance() override { |
||||
assert(!AtEnd()); |
||||
++current$(i)_; |
||||
|
||||
$for k [[ |
||||
if (current$(i+2-k)_ == end$(i+2-k)_) { |
||||
current$(i+2-k)_ = begin$(i+2-k)_; |
||||
++current$(i+2-k-1)_; |
||||
} |
||||
|
||||
]] |
||||
ComputeCurrentValue(); |
||||
} |
||||
ParamIteratorInterface<ParamType>* Clone() const override { |
||||
return new Iterator(*this); |
||||
} |
||||
const ParamType* Current() const override { return current_value_.get(); } |
||||
bool Equals(const ParamIteratorInterface<ParamType>& other) const override { |
||||
// Having the same base generator guarantees that the other |
||||
// iterator is of the same type and we can downcast. |
||||
GTEST_CHECK_(BaseGenerator() == other.BaseGenerator()) |
||||
<< "The program attempted to compare iterators " |
||||
<< "from different generators." << std::endl; |
||||
const Iterator* typed_other = |
||||
CheckedDowncastToActualType<const Iterator>(&other); |
||||
// We must report iterators equal if they both point beyond their |
||||
// respective ranges. That can happen in a variety of fashions, |
||||
// so we have to consult AtEnd(). |
||||
return (AtEnd() && typed_other->AtEnd()) || |
||||
($for j && [[ |
||||
|
||||
current$(j)_ == typed_other->current$(j)_ |
||||
]]); |
||||
} |
||||
|
||||
private: |
||||
Iterator(const Iterator& other) |
||||
: base_(other.base_), $for j, [[ |
||||
|
||||
begin$(j)_(other.begin$(j)_), |
||||
end$(j)_(other.end$(j)_), |
||||
current$(j)_(other.current$(j)_) |
||||
]] { |
||||
ComputeCurrentValue(); |
||||
} |
||||
|
||||
void ComputeCurrentValue() { |
||||
if (!AtEnd()) |
||||
current_value_.reset(new ParamType($for j, [[*current$(j)_]])); |
||||
} |
||||
bool AtEnd() const { |
||||
// We must report iterator past the end of the range when either of the |
||||
// component iterators has reached the end of its range. |
||||
return |
||||
$for j || [[ |
||||
|
||||
current$(j)_ == end$(j)_ |
||||
]]; |
||||
} |
||||
|
||||
// No implementation - assignment is unsupported. |
||||
void operator=(const Iterator& other); |
||||
|
||||
const ParamGeneratorInterface<ParamType>* const base_; |
||||
// begin[i]_ and end[i]_ define the i-th range that Iterator traverses. |
||||
// current[i]_ is the actual traversing iterator. |
||||
$for j [[ |
||||
|
||||
const typename ParamGenerator<T$j>::iterator begin$(j)_; |
||||
const typename ParamGenerator<T$j>::iterator end$(j)_; |
||||
typename ParamGenerator<T$j>::iterator current$(j)_; |
||||
]] |
||||
|
||||
std::shared_ptr<ParamType> current_value_; |
||||
}; // class CartesianProductGenerator$i::Iterator |
||||
|
||||
// No implementation - assignment is unsupported. |
||||
void operator=(const CartesianProductGenerator$i& other); |
||||
|
||||
|
||||
$for j [[ |
||||
const ParamGenerator<T$j> g$(j)_; |
||||
|
||||
]] |
||||
}; // class CartesianProductGenerator$i |
||||
|
||||
|
||||
]] |
||||
|
||||
// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE. |
||||
// |
||||
// Helper classes providing Combine() with polymorphic features. They allow |
||||
// casting CartesianProductGeneratorN<T> to ParamGenerator<U> if T is |
||||
// convertible to U. |
||||
// |
||||
$range i 2..maxtuple |
||||
$for i [[ |
||||
$range j 1..i |
||||
|
||||
template <$for j, [[class Generator$j]]> |
||||
class CartesianProductHolder$i { |
||||
public: |
||||
CartesianProductHolder$i($for j, [[const Generator$j& g$j]]) |
||||
: $for j, [[g$(j)_(g$j)]] {} |
||||
template <$for j, [[typename T$j]]> |
||||
operator ParamGenerator< ::std::tuple<$for j, [[T$j]]> >() const { |
||||
return ParamGenerator< ::std::tuple<$for j, [[T$j]]> >( |
||||
new CartesianProductGenerator$i<$for j, [[T$j]]>( |
||||
$for j,[[ |
||||
|
||||
static_cast<ParamGenerator<T$j> >(g$(j)_) |
||||
]])); |
||||
} |
||||
|
||||
private: |
||||
// No implementation - assignment is unsupported. |
||||
void operator=(const CartesianProductHolder$i& other); |
||||
|
||||
|
||||
$for j [[ |
||||
const Generator$j g$(j)_; |
||||
|
||||
]] |
||||
}; // class CartesianProductHolder$i |
||||
|
||||
]] |
||||
|
||||
} // namespace internal |
||||
} // namespace testing |
||||
|
||||
#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_ |
||||
Loading…
Reference in new issue