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Diffstat (limited to 'gtest-1.6.0/samples/sample5_unittest.cc')
-rw-r--r-- | gtest-1.6.0/samples/sample5_unittest.cc | 398 |
1 files changed, 199 insertions, 199 deletions
diff --git a/gtest-1.6.0/samples/sample5_unittest.cc b/gtest-1.6.0/samples/sample5_unittest.cc index e7cab01..eb15062 100644 --- a/gtest-1.6.0/samples/sample5_unittest.cc +++ b/gtest-1.6.0/samples/sample5_unittest.cc @@ -1,199 +1,199 @@ -// 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. -// -// Author: wan@google.com (Zhanyong Wan) - -// This sample teaches how to reuse a test fixture in multiple test -// cases by deriving sub-fixtures from it. -// -// When you define a test fixture, you specify the name of the test -// case that will use this fixture. Therefore, a test fixture can -// be used by only one test case. -// -// Sometimes, more than one test cases may want to use the same or -// slightly different test fixtures. For example, you may want to -// make sure that all tests for a GUI library don't leak important -// system resources like fonts and brushes. In Google Test, you do -// this by putting the shared logic in a super (as in "super class") -// test fixture, and then have each test case use a fixture derived -// from this super fixture. - -#include <limits.h> -#include <time.h> -#include "sample3-inl.h" -#include "gtest/gtest.h" -#include "sample1.h" - -// In this sample, we want to ensure that every test finishes within -// ~5 seconds. If a test takes longer to run, we consider it a -// failure. -// -// We put the code for timing a test in a test fixture called -// "QuickTest". QuickTest is intended to be the super fixture that -// other fixtures derive from, therefore there is no test case with -// the name "QuickTest". This is OK. -// -// Later, we will derive multiple test fixtures from QuickTest. -class QuickTest : public testing::Test { - protected: - // Remember that SetUp() is run immediately before a test starts. - // This is a good place to record the start time. - virtual void SetUp() { - start_time_ = time(NULL); - } - - // TearDown() is invoked immediately after a test finishes. Here we - // check if the test was too slow. - virtual void TearDown() { - // Gets the time when the test finishes - const time_t end_time = time(NULL); - - // Asserts that the test took no more than ~5 seconds. Did you - // know that you can use assertions in SetUp() and TearDown() as - // well? - EXPECT_TRUE(end_time - start_time_ <= 5) << "The test took too long."; - } - - // The UTC time (in seconds) when the test starts - time_t start_time_; -}; - - -// We derive a fixture named IntegerFunctionTest from the QuickTest -// fixture. All tests using this fixture will be automatically -// required to be quick. -class IntegerFunctionTest : public QuickTest { - // We don't need any more logic than already in the QuickTest fixture. - // Therefore the body is empty. -}; - - -// Now we can write tests in the IntegerFunctionTest test case. - -// Tests Factorial() -TEST_F(IntegerFunctionTest, Factorial) { - // Tests factorial of negative numbers. - EXPECT_EQ(1, Factorial(-5)); - EXPECT_EQ(1, Factorial(-1)); - EXPECT_TRUE(Factorial(-10) > 0); - - // Tests factorial of 0. - EXPECT_EQ(1, Factorial(0)); - - // Tests factorial of positive numbers. - EXPECT_EQ(1, Factorial(1)); - EXPECT_EQ(2, Factorial(2)); - EXPECT_EQ(6, Factorial(3)); - EXPECT_EQ(40320, Factorial(8)); -} - - -// Tests IsPrime() -TEST_F(IntegerFunctionTest, IsPrime) { - // Tests negative input. - EXPECT_TRUE(!IsPrime(-1)); - EXPECT_TRUE(!IsPrime(-2)); - EXPECT_TRUE(!IsPrime(INT_MIN)); - - // Tests some trivial cases. - EXPECT_TRUE(!IsPrime(0)); - EXPECT_TRUE(!IsPrime(1)); - EXPECT_TRUE(IsPrime(2)); - EXPECT_TRUE(IsPrime(3)); - - // Tests positive input. - EXPECT_TRUE(!IsPrime(4)); - EXPECT_TRUE(IsPrime(5)); - EXPECT_TRUE(!IsPrime(6)); - EXPECT_TRUE(IsPrime(23)); -} - - -// The next test case (named "QueueTest") also needs to be quick, so -// we derive another fixture from QuickTest. -// -// The QueueTest test fixture has some logic and shared objects in -// addition to what's in QuickTest already. We define the additional -// stuff inside the body of the test fixture, as usual. -class QueueTest : public QuickTest { - protected: - virtual void SetUp() { - // First, we need to set up the super fixture (QuickTest). - QuickTest::SetUp(); - - // Second, some additional setup for this fixture. - q1_.Enqueue(1); - q2_.Enqueue(2); - q2_.Enqueue(3); - } - - // By default, TearDown() inherits the behavior of - // QuickTest::TearDown(). As we have no additional cleaning work - // for QueueTest, we omit it here. - // - // virtual void TearDown() { - // QuickTest::TearDown(); - // } - - Queue<int> q0_; - Queue<int> q1_; - Queue<int> q2_; -}; - - -// Now, let's write tests using the QueueTest fixture. - -// Tests the default constructor. -TEST_F(QueueTest, DefaultConstructor) { - EXPECT_EQ(0u, q0_.Size()); -} - -// Tests Dequeue(). -TEST_F(QueueTest, Dequeue) { - int* n = q0_.Dequeue(); - EXPECT_TRUE(n == NULL); - - n = q1_.Dequeue(); - EXPECT_TRUE(n != NULL); - EXPECT_EQ(1, *n); - EXPECT_EQ(0u, q1_.Size()); - delete n; - - n = q2_.Dequeue(); - EXPECT_TRUE(n != NULL); - EXPECT_EQ(2, *n); - EXPECT_EQ(1u, q2_.Size()); - delete n; -} - -// If necessary, you can derive further test fixtures from a derived -// fixture itself. For example, you can derive another fixture from -// QueueTest. Google Test imposes no limit on how deep the hierarchy -// can be. In practice, however, you probably don't want it to be too -// deep as to be confusing. +// 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.
+//
+// Author: wan@google.com (Zhanyong Wan)
+
+// This sample teaches how to reuse a test fixture in multiple test
+// cases by deriving sub-fixtures from it.
+//
+// When you define a test fixture, you specify the name of the test
+// case that will use this fixture. Therefore, a test fixture can
+// be used by only one test case.
+//
+// Sometimes, more than one test cases may want to use the same or
+// slightly different test fixtures. For example, you may want to
+// make sure that all tests for a GUI library don't leak important
+// system resources like fonts and brushes. In Google Test, you do
+// this by putting the shared logic in a super (as in "super class")
+// test fixture, and then have each test case use a fixture derived
+// from this super fixture.
+
+#include <limits.h>
+#include <time.h>
+#include "sample3-inl.h"
+#include "gtest/gtest.h"
+#include "sample1.h"
+
+// In this sample, we want to ensure that every test finishes within
+// ~5 seconds. If a test takes longer to run, we consider it a
+// failure.
+//
+// We put the code for timing a test in a test fixture called
+// "QuickTest". QuickTest is intended to be the super fixture that
+// other fixtures derive from, therefore there is no test case with
+// the name "QuickTest". This is OK.
+//
+// Later, we will derive multiple test fixtures from QuickTest.
+class QuickTest : public testing::Test {
+ protected:
+ // Remember that SetUp() is run immediately before a test starts.
+ // This is a good place to record the start time.
+ virtual void SetUp() {
+ start_time_ = time(NULL);
+ }
+
+ // TearDown() is invoked immediately after a test finishes. Here we
+ // check if the test was too slow.
+ virtual void TearDown() {
+ // Gets the time when the test finishes
+ const time_t end_time = time(NULL);
+
+ // Asserts that the test took no more than ~5 seconds. Did you
+ // know that you can use assertions in SetUp() and TearDown() as
+ // well?
+ EXPECT_TRUE(end_time - start_time_ <= 5) << "The test took too long.";
+ }
+
+ // The UTC time (in seconds) when the test starts
+ time_t start_time_;
+};
+
+
+// We derive a fixture named IntegerFunctionTest from the QuickTest
+// fixture. All tests using this fixture will be automatically
+// required to be quick.
+class IntegerFunctionTest : public QuickTest {
+ // We don't need any more logic than already in the QuickTest fixture.
+ // Therefore the body is empty.
+};
+
+
+// Now we can write tests in the IntegerFunctionTest test case.
+
+// Tests Factorial()
+TEST_F(IntegerFunctionTest, Factorial) {
+ // Tests factorial of negative numbers.
+ EXPECT_EQ(1, Factorial(-5));
+ EXPECT_EQ(1, Factorial(-1));
+ EXPECT_TRUE(Factorial(-10) > 0);
+
+ // Tests factorial of 0.
+ EXPECT_EQ(1, Factorial(0));
+
+ // Tests factorial of positive numbers.
+ EXPECT_EQ(1, Factorial(1));
+ EXPECT_EQ(2, Factorial(2));
+ EXPECT_EQ(6, Factorial(3));
+ EXPECT_EQ(40320, Factorial(8));
+}
+
+
+// Tests IsPrime()
+TEST_F(IntegerFunctionTest, IsPrime) {
+ // Tests negative input.
+ EXPECT_TRUE(!IsPrime(-1));
+ EXPECT_TRUE(!IsPrime(-2));
+ EXPECT_TRUE(!IsPrime(INT_MIN));
+
+ // Tests some trivial cases.
+ EXPECT_TRUE(!IsPrime(0));
+ EXPECT_TRUE(!IsPrime(1));
+ EXPECT_TRUE(IsPrime(2));
+ EXPECT_TRUE(IsPrime(3));
+
+ // Tests positive input.
+ EXPECT_TRUE(!IsPrime(4));
+ EXPECT_TRUE(IsPrime(5));
+ EXPECT_TRUE(!IsPrime(6));
+ EXPECT_TRUE(IsPrime(23));
+}
+
+
+// The next test case (named "QueueTest") also needs to be quick, so
+// we derive another fixture from QuickTest.
+//
+// The QueueTest test fixture has some logic and shared objects in
+// addition to what's in QuickTest already. We define the additional
+// stuff inside the body of the test fixture, as usual.
+class QueueTest : public QuickTest {
+ protected:
+ virtual void SetUp() {
+ // First, we need to set up the super fixture (QuickTest).
+ QuickTest::SetUp();
+
+ // Second, some additional setup for this fixture.
+ q1_.Enqueue(1);
+ q2_.Enqueue(2);
+ q2_.Enqueue(3);
+ }
+
+ // By default, TearDown() inherits the behavior of
+ // QuickTest::TearDown(). As we have no additional cleaning work
+ // for QueueTest, we omit it here.
+ //
+ // virtual void TearDown() {
+ // QuickTest::TearDown();
+ // }
+
+ Queue<int> q0_;
+ Queue<int> q1_;
+ Queue<int> q2_;
+};
+
+
+// Now, let's write tests using the QueueTest fixture.
+
+// Tests the default constructor.
+TEST_F(QueueTest, DefaultConstructor) {
+ EXPECT_EQ(0u, q0_.Size());
+}
+
+// Tests Dequeue().
+TEST_F(QueueTest, Dequeue) {
+ int* n = q0_.Dequeue();
+ EXPECT_TRUE(n == NULL);
+
+ n = q1_.Dequeue();
+ EXPECT_TRUE(n != NULL);
+ EXPECT_EQ(1, *n);
+ EXPECT_EQ(0u, q1_.Size());
+ delete n;
+
+ n = q2_.Dequeue();
+ EXPECT_TRUE(n != NULL);
+ EXPECT_EQ(2, *n);
+ EXPECT_EQ(1u, q2_.Size());
+ delete n;
+}
+
+// If necessary, you can derive further test fixtures from a derived
+// fixture itself. For example, you can derive another fixture from
+// QueueTest. Google Test imposes no limit on how deep the hierarchy
+// can be. In practice, however, you probably don't want it to be too
+// deep as to be confusing.
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