113481Sgiacomo.travaglini@arm.com// Copyright 2008 Google Inc. 213481Sgiacomo.travaglini@arm.com// All Rights Reserved. 313481Sgiacomo.travaglini@arm.com// 413481Sgiacomo.travaglini@arm.com// Redistribution and use in source and binary forms, with or without 513481Sgiacomo.travaglini@arm.com// modification, are permitted provided that the following conditions are 613481Sgiacomo.travaglini@arm.com// met: 713481Sgiacomo.travaglini@arm.com// 813481Sgiacomo.travaglini@arm.com// * Redistributions of source code must retain the above copyright 913481Sgiacomo.travaglini@arm.com// notice, this list of conditions and the following disclaimer. 1013481Sgiacomo.travaglini@arm.com// * Redistributions in binary form must reproduce the above 1113481Sgiacomo.travaglini@arm.com// copyright notice, this list of conditions and the following disclaimer 1213481Sgiacomo.travaglini@arm.com// in the documentation and/or other materials provided with the 1313481Sgiacomo.travaglini@arm.com// distribution. 1413481Sgiacomo.travaglini@arm.com// * Neither the name of Google Inc. nor the names of its 1513481Sgiacomo.travaglini@arm.com// contributors may be used to endorse or promote products derived from 1613481Sgiacomo.travaglini@arm.com// this software without specific prior written permission. 1713481Sgiacomo.travaglini@arm.com// 1813481Sgiacomo.travaglini@arm.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1913481Sgiacomo.travaglini@arm.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2013481Sgiacomo.travaglini@arm.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2113481Sgiacomo.travaglini@arm.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2213481Sgiacomo.travaglini@arm.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2313481Sgiacomo.travaglini@arm.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2413481Sgiacomo.travaglini@arm.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2513481Sgiacomo.travaglini@arm.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2613481Sgiacomo.travaglini@arm.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2713481Sgiacomo.travaglini@arm.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2813481Sgiacomo.travaglini@arm.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2913481Sgiacomo.travaglini@arm.com// 3013481Sgiacomo.travaglini@arm.com// Author: vladl@google.com (Vlad Losev) 3113481Sgiacomo.travaglini@arm.com 3213481Sgiacomo.travaglini@arm.com// This sample shows how to test common properties of multiple 3313481Sgiacomo.travaglini@arm.com// implementations of an interface (aka interface tests) using 3413481Sgiacomo.travaglini@arm.com// value-parameterized tests. Each test in the test case has 3513481Sgiacomo.travaglini@arm.com// a parameter that is an interface pointer to an implementation 3613481Sgiacomo.travaglini@arm.com// tested. 3713481Sgiacomo.travaglini@arm.com 3813481Sgiacomo.travaglini@arm.com// The interface and its implementations are in this header. 3913481Sgiacomo.travaglini@arm.com#include "prime_tables.h" 4013481Sgiacomo.travaglini@arm.com 4113481Sgiacomo.travaglini@arm.com#include "gtest/gtest.h" 4213481Sgiacomo.travaglini@arm.com 4313481Sgiacomo.travaglini@arm.com#if GTEST_HAS_PARAM_TEST 4413481Sgiacomo.travaglini@arm.com 4513481Sgiacomo.travaglini@arm.comusing ::testing::TestWithParam; 4613481Sgiacomo.travaglini@arm.comusing ::testing::Values; 4713481Sgiacomo.travaglini@arm.com 4813481Sgiacomo.travaglini@arm.com// As a general rule, to prevent a test from affecting the tests that come 4913481Sgiacomo.travaglini@arm.com// after it, you should create and destroy the tested objects for each test 5013481Sgiacomo.travaglini@arm.com// instead of reusing them. In this sample we will define a simple factory 5113481Sgiacomo.travaglini@arm.com// function for PrimeTable objects. We will instantiate objects in test's 5213481Sgiacomo.travaglini@arm.com// SetUp() method and delete them in TearDown() method. 5313481Sgiacomo.travaglini@arm.comtypedef PrimeTable* CreatePrimeTableFunc(); 5413481Sgiacomo.travaglini@arm.com 5513481Sgiacomo.travaglini@arm.comPrimeTable* CreateOnTheFlyPrimeTable() { 5613481Sgiacomo.travaglini@arm.com return new OnTheFlyPrimeTable(); 5713481Sgiacomo.travaglini@arm.com} 5813481Sgiacomo.travaglini@arm.com 5913481Sgiacomo.travaglini@arm.comtemplate <size_t max_precalculated> 6013481Sgiacomo.travaglini@arm.comPrimeTable* CreatePreCalculatedPrimeTable() { 6113481Sgiacomo.travaglini@arm.com return new PreCalculatedPrimeTable(max_precalculated); 6213481Sgiacomo.travaglini@arm.com} 6313481Sgiacomo.travaglini@arm.com 6413481Sgiacomo.travaglini@arm.com// Inside the test body, fixture constructor, SetUp(), and TearDown() you 6513481Sgiacomo.travaglini@arm.com// can refer to the test parameter by GetParam(). In this case, the test 6613481Sgiacomo.travaglini@arm.com// parameter is a factory function which we call in fixture's SetUp() to 6713481Sgiacomo.travaglini@arm.com// create and store an instance of PrimeTable. 6813481Sgiacomo.travaglini@arm.comclass PrimeTableTest : public TestWithParam<CreatePrimeTableFunc*> { 6913481Sgiacomo.travaglini@arm.com public: 7013481Sgiacomo.travaglini@arm.com virtual ~PrimeTableTest() { delete table_; } 7113481Sgiacomo.travaglini@arm.com virtual void SetUp() { table_ = (*GetParam())(); } 7213481Sgiacomo.travaglini@arm.com virtual void TearDown() { 7313481Sgiacomo.travaglini@arm.com delete table_; 7413481Sgiacomo.travaglini@arm.com table_ = NULL; 7513481Sgiacomo.travaglini@arm.com } 7613481Sgiacomo.travaglini@arm.com 7713481Sgiacomo.travaglini@arm.com protected: 7813481Sgiacomo.travaglini@arm.com PrimeTable* table_; 7913481Sgiacomo.travaglini@arm.com}; 8013481Sgiacomo.travaglini@arm.com 8113481Sgiacomo.travaglini@arm.comTEST_P(PrimeTableTest, ReturnsFalseForNonPrimes) { 8213481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(-5)); 8313481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(0)); 8413481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(1)); 8513481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(4)); 8613481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(6)); 8713481Sgiacomo.travaglini@arm.com EXPECT_FALSE(table_->IsPrime(100)); 8813481Sgiacomo.travaglini@arm.com} 8913481Sgiacomo.travaglini@arm.com 9013481Sgiacomo.travaglini@arm.comTEST_P(PrimeTableTest, ReturnsTrueForPrimes) { 9113481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(2)); 9213481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(3)); 9313481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(5)); 9413481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(7)); 9513481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(11)); 9613481Sgiacomo.travaglini@arm.com EXPECT_TRUE(table_->IsPrime(131)); 9713481Sgiacomo.travaglini@arm.com} 9813481Sgiacomo.travaglini@arm.com 9913481Sgiacomo.travaglini@arm.comTEST_P(PrimeTableTest, CanGetNextPrime) { 10013481Sgiacomo.travaglini@arm.com EXPECT_EQ(2, table_->GetNextPrime(0)); 10113481Sgiacomo.travaglini@arm.com EXPECT_EQ(3, table_->GetNextPrime(2)); 10213481Sgiacomo.travaglini@arm.com EXPECT_EQ(5, table_->GetNextPrime(3)); 10313481Sgiacomo.travaglini@arm.com EXPECT_EQ(7, table_->GetNextPrime(5)); 10413481Sgiacomo.travaglini@arm.com EXPECT_EQ(11, table_->GetNextPrime(7)); 10513481Sgiacomo.travaglini@arm.com EXPECT_EQ(131, table_->GetNextPrime(128)); 10613481Sgiacomo.travaglini@arm.com} 10713481Sgiacomo.travaglini@arm.com 10813481Sgiacomo.travaglini@arm.com// In order to run value-parameterized tests, you need to instantiate them, 10913481Sgiacomo.travaglini@arm.com// or bind them to a list of values which will be used as test parameters. 11013481Sgiacomo.travaglini@arm.com// You can instantiate them in a different translation module, or even 11113481Sgiacomo.travaglini@arm.com// instantiate them several times. 11213481Sgiacomo.travaglini@arm.com// 11313481Sgiacomo.travaglini@arm.com// Here, we instantiate our tests with a list of two PrimeTable object 11413481Sgiacomo.travaglini@arm.com// factory functions: 11513481Sgiacomo.travaglini@arm.comINSTANTIATE_TEST_CASE_P( 11613481Sgiacomo.travaglini@arm.com OnTheFlyAndPreCalculated, 11713481Sgiacomo.travaglini@arm.com PrimeTableTest, 11813481Sgiacomo.travaglini@arm.com Values(&CreateOnTheFlyPrimeTable, &CreatePreCalculatedPrimeTable<1000>)); 11913481Sgiacomo.travaglini@arm.com 12013481Sgiacomo.travaglini@arm.com#else 12113481Sgiacomo.travaglini@arm.com 12213481Sgiacomo.travaglini@arm.com// Google Test may not support value-parameterized tests with some 12313481Sgiacomo.travaglini@arm.com// compilers. If we use conditional compilation to compile out all 12413481Sgiacomo.travaglini@arm.com// code referring to the gtest_main library, MSVC linker will not link 12513481Sgiacomo.travaglini@arm.com// that library at all and consequently complain about missing entry 12613481Sgiacomo.travaglini@arm.com// point defined in that library (fatal error LNK1561: entry point 12713481Sgiacomo.travaglini@arm.com// must be defined). This dummy test keeps gtest_main linked in. 12813481Sgiacomo.travaglini@arm.comTEST(DummyTest, ValueParameterizedTestsAreNotSupportedOnThisPlatform) {} 12913481Sgiacomo.travaglini@arm.com 13013481Sgiacomo.travaglini@arm.com#endif // GTEST_HAS_PARAM_TEST 131