yaml-cpp

sample3_unittest.cc (5360B)

---

 // Copyright 2005, 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.
 
 // A sample program demonstrating using Google C++ testing framework.
 
 // In this example, we use a more advanced feature of Google Test called
 // test fixture.
 //
 // A test fixture is a place to hold objects and functions shared by
 // all tests in a test case.  Using a test fixture avoids duplicating
 // the test code necessary to initialize and cleanup those common
 // objects for each test.  It is also useful for defining sub-routines
 // that your tests need to invoke a lot.
 //
 // <TechnicalDetails>
 //
 // The tests share the test fixture in the sense of code sharing, not
 // data sharing.  Each test is given its own fresh copy of the
 // fixture.  You cannot expect the data modified by one test to be
 // passed on to another test, which is a bad idea.
 //
 // The reason for this design is that tests should be independent and
 // repeatable.  In particular, a test should not fail as the result of
 // another test's failure.  If one test depends on info produced by
 // another test, then the two tests should really be one big test.
 //
 // The macros for indicating the success/failure of a test
 // (EXPECT_TRUE, FAIL, etc) need to know what the current test is
 // (when Google Test prints the test result, it tells you which test
 // each failure belongs to).  Technically, these macros invoke a
 // member function of the Test class.  Therefore, you cannot use them
 // in a global function.  That's why you should put test sub-routines
 // in a test fixture.
 //
 // </TechnicalDetails>
 
 #include "sample3-inl.h"
 #include "gtest/gtest.h"
 namespace {
 // To use a test fixture, derive a class from testing::Test.
 class QueueTestSmpl3 : public testing::Test {
  protected:  // You should make the members protected s.t. they can be
              // accessed from sub-classes.
 
   // virtual void SetUp() will be called before each test is run.  You
   // should define it if you need to initialize the variables.
   // Otherwise, this can be skipped.
   void SetUp() override {
     q1_.Enqueue(1);
     q2_.Enqueue(2);
     q2_.Enqueue(3);
   }
 
   // virtual void TearDown() will be called after each test is run.
   // You should define it if there is cleanup work to do.  Otherwise,
   // you don't have to provide it.
   //
   // virtual void TearDown() {
   // }
 
   // A helper function that some test uses.
   static int Double(int n) {
     return 2*n;
   }
 
   // A helper function for testing Queue::Map().
   void MapTester(const Queue<int> * q) {
     // Creates a new queue, where each element is twice as big as the
     // corresponding one in q.
     const Queue<int> * const new_q = q->Map(Double);
 
     // Verifies that the new queue has the same size as q.
     ASSERT_EQ(q->Size(), new_q->Size());
 
     // Verifies the relationship between the elements of the two queues.
     for (const QueueNode<int>*n1 = q->Head(), *n2 = new_q->Head();
          n1 != nullptr; n1 = n1->next(), n2 = n2->next()) {
       EXPECT_EQ(2 * n1->element(), n2->element());
     }
 
     delete new_q;
   }
 
   // Declares the variables your tests want to use.
   Queue<int> q0_;
   Queue<int> q1_;
   Queue<int> q2_;
 };
 
 // When you have a test fixture, you define a test using TEST_F
 // instead of TEST.
 
 // Tests the default c'tor.
 TEST_F(QueueTestSmpl3, DefaultConstructor) {
   // You can access data in the test fixture here.
   EXPECT_EQ(0u, q0_.Size());
 }
 
 // Tests Dequeue().
 TEST_F(QueueTestSmpl3, Dequeue) {
   int * n = q0_.Dequeue();
   EXPECT_TRUE(n == nullptr);
 
   n = q1_.Dequeue();
   ASSERT_TRUE(n != nullptr);
   EXPECT_EQ(1, *n);
   EXPECT_EQ(0u, q1_.Size());
   delete n;
 
   n = q2_.Dequeue();
   ASSERT_TRUE(n != nullptr);
   EXPECT_EQ(2, *n);
   EXPECT_EQ(1u, q2_.Size());
   delete n;
 }
 
 // Tests the Queue::Map() function.
 TEST_F(QueueTestSmpl3, Map) {
   MapTester(&q0_);
   MapTester(&q1_);
   MapTester(&q2_);
 }
 }  // namespace