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  1. // Copyright 2009, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. //     * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. //     * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. //     * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29.  
  30.  
  31. // Tests Google Test's assert-by-exception mode with exceptions enabled.
  32.  
  33. #include "gtest/gtest.h"
  34.  
  35. #include <stdlib.h>
  36. #include <stdio.h>
  37. #include <string.h>
  38. #include <stdexcept>
  39.  
  40. class ThrowListener : public testing::EmptyTestEventListener {
  41.   void OnTestPartResult(const testing::TestPartResult& result) override {
  42.     if (result.type() == testing::TestPartResult::kFatalFailure) {
  43.       throw testing::AssertionException(result);
  44.     }
  45.   }
  46. };
  47.  
  48. // Prints the given failure message and exits the program with
  49. // non-zero.  We use this instead of a Google Test assertion to
  50. // indicate a failure, as the latter is been tested and cannot be
  51. // relied on.
  52. void Fail(const char* msg) {
  53.   printf("FAILURE: %s\n", msg);
  54.   fflush(stdout);
  55.   exit(1);
  56. }
  57.  
  58. static void AssertFalse() {
  59.   ASSERT_EQ(2, 3) << "Expected failure";
  60. }
  61.  
  62. // Tests that an assertion failure throws a subclass of
  63. // std::runtime_error.
  64. TEST(Test, Test) {
  65.   // A successful assertion shouldn't throw.
  66.   try {
  67.     EXPECT_EQ(3, 3);
  68.   } catch(...) {
  69.     Fail("A successful assertion wrongfully threw.");
  70.   }
  71.  
  72.   // A successful assertion shouldn't throw.
  73.   try {
  74.     EXPECT_EQ(3, 4);
  75.   } catch(...) {
  76.     Fail("A failed non-fatal assertion wrongfully threw.");
  77.   }
  78.  
  79.   // A failed assertion should throw.
  80.   try {
  81.     AssertFalse();
  82.   } catch(const testing::AssertionException& e) {
  83.     if (strstr(e.what(), "Expected failure") != NULL)
  84.       throw;
  85.  
  86.     printf("%s",
  87.            "A failed assertion did throw an exception of the right type, "
  88.            "but the message is incorrect.  Instead of containing \"Expected "
  89.            "failure\", it is:\n");
  90.     Fail(e.what());
  91.   } catch(...) {
  92.     Fail("A failed assertion threw the wrong type of exception.");
  93.   }
  94.   Fail("A failed assertion should've thrown but didn't.");
  95. }
  96.  
  97. int kTestForContinuingTest = 0;
  98.  
  99. TEST(Test, Test2) {
  100.   // FIXME: how to force Test2 to be after Test?
  101.   kTestForContinuingTest = 1;
  102. }
  103.  
  104. int main(int argc, char** argv) {
  105.   testing::InitGoogleTest(&argc, argv);
  106.   testing::UnitTest::GetInstance()->listeners().Append(new ThrowListener);
  107.  
  108.   int result = RUN_ALL_TESTS();
  109.   if (result == 0) {
  110.     printf("RUN_ALL_TESTS returned %d\n", result);
  111.     Fail("Expected failure instead.");
  112.   }
  113.  
  114.   if (kTestForContinuingTest == 0) {
  115.     Fail("Should have continued with other tests, but did not.");
  116.   }
  117.   return 0;
  118. }
  119.