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-// Copyright 2009 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 use Google Test listener API to implement
-// an alternative console output and how to use the UnitTest reflection API
-// to enumerate test cases and tests and to inspect their results.
-
-#include <stdio.h>
-
-#include "gtest/gtest.h"
-
-using ::testing::EmptyTestEventListener;
-using ::testing::InitGoogleTest;
-using ::testing::Test;
-using ::testing::TestCase;
-using ::testing::TestEventListeners;
-using ::testing::TestInfo;
-using ::testing::TestPartResult;
-using ::testing::UnitTest;
-namespace {
-// Provides alternative output mode which produces minimal amount of
-// information about tests.
-class TersePrinter : public EmptyTestEventListener {
- private:
- // Called before any test activity starts.
- virtual void OnTestProgramStart(const UnitTest& /* unit_test */) {}
-
- // Called after all test activities have ended.
- virtual void OnTestProgramEnd(const UnitTest& unit_test) {
- fprintf(stdout, "TEST %s\n", unit_test.Passed() ? "PASSED" : "FAILED");
- fflush(stdout);
- }
-
- // Called before a test starts.
- virtual void OnTestStart(const TestInfo& test_info) {
- fprintf(stdout,
- "*** Test %s.%s starting.\n",
- test_info.test_case_name(),
- test_info.name());
- fflush(stdout);
- }
-
- // Called after a failed assertion or a SUCCEED() invocation.
- virtual void OnTestPartResult(const TestPartResult& test_part_result) {
- fprintf(stdout,
- "%s in %s:%d\n%s\n",
- test_part_result.failed() ? "*** Failure" : "Success",
- test_part_result.file_name(),
- test_part_result.line_number(),
- test_part_result.summary());
- fflush(stdout);
- }
-
- // Called after a test ends.
- virtual void OnTestEnd(const TestInfo& test_info) {
- fprintf(stdout,
- "*** Test %s.%s ending.\n",
- test_info.test_case_name(),
- test_info.name());
- fflush(stdout);
- }
-}; // class TersePrinter
-
-TEST(CustomOutputTest, PrintsMessage) {
- printf("Printing something from the test body...\n");
-}
-
-TEST(CustomOutputTest, Succeeds) {
- SUCCEED() << "SUCCEED() has been invoked from here";
-}
-
-TEST(CustomOutputTest, Fails) {
- EXPECT_EQ(1, 2)
- << "This test fails in order to demonstrate alternative failure messages";
-}
-} // namespace
-
-int main(int argc, char **argv) {
- InitGoogleTest(&argc, argv);
-
- bool terse_output = false;
- if (argc > 1 && strcmp(argv[1], "--terse_output") == 0 )
- terse_output = true;
- else
- printf("%s\n", "Run this program with --terse_output to change the way "
- "it prints its output.");
-
- UnitTest& unit_test = *UnitTest::GetInstance();
-
- // If we are given the --terse_output command line flag, suppresses the
- // standard output and attaches own result printer.
- if (terse_output) {
- TestEventListeners& listeners = unit_test.listeners();
-
- // Removes the default console output listener from the list so it will
- // not receive events from Google Test and won't print any output. Since
- // this operation transfers ownership of the listener to the caller we
- // have to delete it as well.
- delete listeners.Release(listeners.default_result_printer());
-
- // Adds the custom output listener to the list. It will now receive
- // events from Google Test and print the alternative output. We don't
- // have to worry about deleting it since Google Test assumes ownership
- // over it after adding it to the list.
- listeners.Append(new TersePrinter);
- }
- int ret_val = RUN_ALL_TESTS();
-
- // This is an example of using the UnitTest reflection API to inspect test
- // results. Here we discount failures from the tests we expected to fail.
- int unexpectedly_failed_tests = 0;
- for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
- const TestCase& test_case = *unit_test.GetTestCase(i);
- for (int j = 0; j < test_case.total_test_count(); ++j) {
- const TestInfo& test_info = *test_case.GetTestInfo(j);
- // Counts failed tests that were not meant to fail (those without
- // 'Fails' in the name).
- if (test_info.result()->Failed() &&
- strcmp(test_info.name(), "Fails") != 0) {
- unexpectedly_failed_tests++;
- }
- }
- }
-
- // Test that were meant to fail should not affect the test program outcome.
- if (unexpectedly_failed_tests == 0)
- ret_val = 0;
-
- return ret_val;
-}