The Tor Browser: media/webrtc/trunk/testing/gtest/samples/sample6

media/webrtc/trunk/testing/gtest/samples/sample6_unittest.cc@6474c204b198 (annotated)

media/webrtc/trunk/testing/gtest/samples/sample6_unittest.cc

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // 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: wan@google.com (Zhanyong Wan)
 // This sample shows how to test common properties of multiple
 // implementations of the same interface (aka interface tests).
 // The interface and its implementations are in this header.
 #include "prime_tables.h"
 #include "gtest/gtest.h"
 // First, we define some factory functions for creating instances of
 // the implementations.  You may be able to skip this step if all your
 // implementations can be constructed the same way.
 template <class T>
 PrimeTable* CreatePrimeTable();
 template <>
 PrimeTable* CreatePrimeTable<OnTheFlyPrimeTable>() {
   return new OnTheFlyPrimeTable;
 }
 template <>
 PrimeTable* CreatePrimeTable<PreCalculatedPrimeTable>() {
   return new PreCalculatedPrimeTable(10000);
 }
 // Then we define a test fixture class template.
 template <class T>
 class PrimeTableTest : public testing::Test {
  protected:
   // The ctor calls the factory function to create a prime table
   // implemented by T.
   PrimeTableTest() : table_(CreatePrimeTable<T>()) {}
   virtual ~PrimeTableTest() { delete table_; }
   // Note that we test an implementation via the base interface
   // instead of the actual implementation class.  This is important
   // for keeping the tests close to the real world scenario, where the
   // implementation is invoked via the base interface.  It avoids
   // got-yas where the implementation class has a method that shadows
   // a method with the same name (but slightly different argument
   // types) in the base interface, for example.
   PrimeTable* const table_;
 };
 #if GTEST_HAS_TYPED_TEST
 using testing::Types;
 // Google Test offers two ways for reusing tests for different types.
 // The first is called "typed tests".  You should use it if you
 // already know *all* the types you are gonna exercise when you write
 // the tests.
 // To write a typed test case, first use
 //
 //   TYPED_TEST_CASE(TestCaseName, TypeList);
 //
 // to declare it and specify the type parameters.  As with TEST_F,
 // TestCaseName must match the test fixture name.
 // The list of types we want to test.
 typedef Types<OnTheFlyPrimeTable, PreCalculatedPrimeTable> Implementations;
 TYPED_TEST_CASE(PrimeTableTest, Implementations);
 // Then use TYPED_TEST(TestCaseName, TestName) to define a typed test,
 // similar to TEST_F.
 TYPED_TEST(PrimeTableTest, ReturnsFalseForNonPrimes) {
   // Inside the test body, you can refer to the type parameter by
   // TypeParam, and refer to the fixture class by TestFixture.  We
   // don't need them in this example.
   // Since we are in the template world, C++ requires explicitly
   // writing 'this->' when referring to members of the fixture class.
   // This is something you have to learn to live with.
   EXPECT_FALSE(this->table_->IsPrime(-5));
   EXPECT_FALSE(this->table_->IsPrime(0));
   EXPECT_FALSE(this->table_->IsPrime(1));
   EXPECT_FALSE(this->table_->IsPrime(4));
   EXPECT_FALSE(this->table_->IsPrime(6));
   EXPECT_FALSE(this->table_->IsPrime(100));
 }
 TYPED_TEST(PrimeTableTest, ReturnsTrueForPrimes) {
   EXPECT_TRUE(this->table_->IsPrime(2));
   EXPECT_TRUE(this->table_->IsPrime(3));
   EXPECT_TRUE(this->table_->IsPrime(5));
   EXPECT_TRUE(this->table_->IsPrime(7));
   EXPECT_TRUE(this->table_->IsPrime(11));
   EXPECT_TRUE(this->table_->IsPrime(131));
 }
 TYPED_TEST(PrimeTableTest, CanGetNextPrime) {
   EXPECT_EQ(2, this->table_->GetNextPrime(0));
   EXPECT_EQ(3, this->table_->GetNextPrime(2));
   EXPECT_EQ(5, this->table_->GetNextPrime(3));
   EXPECT_EQ(7, this->table_->GetNextPrime(5));
   EXPECT_EQ(11, this->table_->GetNextPrime(7));
   EXPECT_EQ(131, this->table_->GetNextPrime(128));
 }
 // That's it!  Google Test will repeat each TYPED_TEST for each type
 // in the type list specified in TYPED_TEST_CASE.  Sit back and be
 // happy that you don't have to define them multiple times.
 #endif  // GTEST_HAS_TYPED_TEST
 #if GTEST_HAS_TYPED_TEST_P
 using testing::Types;
 // Sometimes, however, you don't yet know all the types that you want
 // to test when you write the tests.  For example, if you are the
 // author of an interface and expect other people to implement it, you
 // might want to write a set of tests to make sure each implementation
 // conforms to some basic requirements, but you don't know what
 // implementations will be written in the future.
 //
 // How can you write the tests without committing to the type
 // parameters?  That's what "type-parameterized tests" can do for you.
 // It is a bit more involved than typed tests, but in return you get a
 // test pattern that can be reused in many contexts, which is a big
 // win.  Here's how you do it:
 // First, define a test fixture class template.  Here we just reuse
 // the PrimeTableTest fixture defined earlier:
 template <class T>
 class PrimeTableTest2 : public PrimeTableTest<T> {
 };
 // Then, declare the test case.  The argument is the name of the test
 // fixture, and also the name of the test case (as usual).  The _P
 // suffix is for "parameterized" or "pattern".
 TYPED_TEST_CASE_P(PrimeTableTest2);
 // Next, use TYPED_TEST_P(TestCaseName, TestName) to define a test,
 // similar to what you do with TEST_F.
 TYPED_TEST_P(PrimeTableTest2, ReturnsFalseForNonPrimes) {
   EXPECT_FALSE(this->table_->IsPrime(-5));
   EXPECT_FALSE(this->table_->IsPrime(0));
   EXPECT_FALSE(this->table_->IsPrime(1));
   EXPECT_FALSE(this->table_->IsPrime(4));
   EXPECT_FALSE(this->table_->IsPrime(6));
   EXPECT_FALSE(this->table_->IsPrime(100));
 }
 TYPED_TEST_P(PrimeTableTest2, ReturnsTrueForPrimes) {
   EXPECT_TRUE(this->table_->IsPrime(2));
   EXPECT_TRUE(this->table_->IsPrime(3));
   EXPECT_TRUE(this->table_->IsPrime(5));
   EXPECT_TRUE(this->table_->IsPrime(7));
   EXPECT_TRUE(this->table_->IsPrime(11));
   EXPECT_TRUE(this->table_->IsPrime(131));
 }
 TYPED_TEST_P(PrimeTableTest2, CanGetNextPrime) {
   EXPECT_EQ(2, this->table_->GetNextPrime(0));
   EXPECT_EQ(3, this->table_->GetNextPrime(2));
   EXPECT_EQ(5, this->table_->GetNextPrime(3));
   EXPECT_EQ(7, this->table_->GetNextPrime(5));
   EXPECT_EQ(11, this->table_->GetNextPrime(7));
   EXPECT_EQ(131, this->table_->GetNextPrime(128));
 }
 // Type-parameterized tests involve one extra step: you have to
 // enumerate the tests you defined:
 REGISTER_TYPED_TEST_CASE_P(
     PrimeTableTest2,  // The first argument is the test case name.
     // The rest of the arguments are the test names.
     ReturnsFalseForNonPrimes, ReturnsTrueForPrimes, CanGetNextPrime);
 // At this point the test pattern is done.  However, you don't have
 // any real test yet as you haven't said which types you want to run
 // the tests with.
 // To turn the abstract test pattern into real tests, you instantiate
 // it with a list of types.  Usually the test pattern will be defined
 // in a .h file, and anyone can #include and instantiate it.  You can
 // even instantiate it more than once in the same program.  To tell
 // different instances apart, you give each of them a name, which will
 // become part of the test case name and can be used in test filters.
 // The list of types we want to test.  Note that it doesn't have to be
 // defined at the time we write the TYPED_TEST_P()s.
 typedef Types<OnTheFlyPrimeTable, PreCalculatedPrimeTable>
     PrimeTableImplementations;
 INSTANTIATE_TYPED_TEST_CASE_P(OnTheFlyAndPreCalculated,    // Instance name
                               PrimeTableTest2,             // Test case name
                               PrimeTableImplementations);  // Type list
 #endif  // GTEST_HAS_TYPED_TEST_P

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media/webrtc/trunk/testing/gtest/samples/sample6_unittest.cc@6474c204b198 (annotated)

media/webrtc/trunk/testing/gtest/samples/sample6_unittest.cc