From fa9c8eaf4fe936f35dd95a1eecfbbb228494522d Mon Sep 17 00:00:00 2001 From: Jeff McGlynn Date: Mon, 18 Jun 2018 10:53:11 -0700 Subject: Squashed 'third_party/googletest/' content from commit ba96d0b1 git-subtree-dir: third_party/googletest git-subtree-split: ba96d0b1161f540656efdaed035b3c062b60e006 --- googletest/samples/sample7_unittest.cc | 118 +++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 googletest/samples/sample7_unittest.cc (limited to 'googletest/samples/sample7_unittest.cc') diff --git a/googletest/samples/sample7_unittest.cc b/googletest/samples/sample7_unittest.cc new file mode 100644 index 0000000..efa9728 --- /dev/null +++ b/googletest/samples/sample7_unittest.cc @@ -0,0 +1,118 @@ +// Copyright 2008 Google Inc. +// All Rights Reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Author: vladl@google.com (Vlad Losev) + +// This sample shows how to test common properties of multiple +// implementations of an interface (aka interface tests) using +// value-parameterized tests. Each test in the test case has +// a parameter that is an interface pointer to an implementation +// tested. + +// The interface and its implementations are in this header. +#include "prime_tables.h" + +#include "gtest/gtest.h" +namespace { + +using ::testing::TestWithParam; +using ::testing::Values; + +// As a general rule, to prevent a test from affecting the tests that come +// after it, you should create and destroy the tested objects for each test +// instead of reusing them. In this sample we will define a simple factory +// function for PrimeTable objects. We will instantiate objects in test's +// SetUp() method and delete them in TearDown() method. +typedef PrimeTable* CreatePrimeTableFunc(); + +PrimeTable* CreateOnTheFlyPrimeTable() { + return new OnTheFlyPrimeTable(); +} + +template +PrimeTable* CreatePreCalculatedPrimeTable() { + return new PreCalculatedPrimeTable(max_precalculated); +} + +// Inside the test body, fixture constructor, SetUp(), and TearDown() you +// can refer to the test parameter by GetParam(). In this case, the test +// parameter is a factory function which we call in fixture's SetUp() to +// create and store an instance of PrimeTable. +class PrimeTableTestSmpl7 : public TestWithParam { + public: + virtual ~PrimeTableTestSmpl7() { delete table_; } + virtual void SetUp() { table_ = (*GetParam())(); } + virtual void TearDown() { + delete table_; + table_ = NULL; + } + + protected: + PrimeTable* table_; +}; + +TEST_P(PrimeTableTestSmpl7, ReturnsFalseForNonPrimes) { + EXPECT_FALSE(table_->IsPrime(-5)); + EXPECT_FALSE(table_->IsPrime(0)); + EXPECT_FALSE(table_->IsPrime(1)); + EXPECT_FALSE(table_->IsPrime(4)); + EXPECT_FALSE(table_->IsPrime(6)); + EXPECT_FALSE(table_->IsPrime(100)); +} + +TEST_P(PrimeTableTestSmpl7, ReturnsTrueForPrimes) { + EXPECT_TRUE(table_->IsPrime(2)); + EXPECT_TRUE(table_->IsPrime(3)); + EXPECT_TRUE(table_->IsPrime(5)); + EXPECT_TRUE(table_->IsPrime(7)); + EXPECT_TRUE(table_->IsPrime(11)); + EXPECT_TRUE(table_->IsPrime(131)); +} + +TEST_P(PrimeTableTestSmpl7, CanGetNextPrime) { + EXPECT_EQ(2, table_->GetNextPrime(0)); + EXPECT_EQ(3, table_->GetNextPrime(2)); + EXPECT_EQ(5, table_->GetNextPrime(3)); + EXPECT_EQ(7, table_->GetNextPrime(5)); + EXPECT_EQ(11, table_->GetNextPrime(7)); + EXPECT_EQ(131, table_->GetNextPrime(128)); +} + +// In order to run value-parameterized tests, you need to instantiate them, +// or bind them to a list of values which will be used as test parameters. +// You can instantiate them in a different translation module, or even +// instantiate them several times. +// +// Here, we instantiate our tests with a list of two PrimeTable object +// factory functions: +INSTANTIATE_TEST_CASE_P(OnTheFlyAndPreCalculated, PrimeTableTestSmpl7, + Values(&CreateOnTheFlyPrimeTable, + &CreatePreCalculatedPrimeTable<1000>)); + +} // namespace -- cgit v1.2.3