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