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 // Tests Google Test's assert-by-exception mode with exceptions enabled. 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 36 #include <stdexcept> 37 38 #include "gtest/gtest.h" 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() { ASSERT_EQ(2, 3) << "Expected failure"; } 59 60 // Tests that an assertion failure throws a subclass of 61 // std::runtime_error. 62 TEST(Test, Test) { 63 // A successful assertion shouldn't throw. 64 try { 65 EXPECT_EQ(3, 3); 66 } catch (...) { 67 Fail("A successful assertion wrongfully threw."); 68 } 69 70 // A successful assertion shouldn't throw. 71 try { 72 EXPECT_EQ(3, 4); 73 } catch (...) { 74 Fail("A failed non-fatal assertion wrongfully threw."); 75 } 76 77 // A failed assertion should throw. 78 try { 79 AssertFalse(); 80 } catch (const testing::AssertionException& e) { 81 if (strstr(e.what(), "Expected failure") != nullptr) throw; 82 83 printf("%s", 84 "A failed assertion did throw an exception of the right type, " 85 "but the message is incorrect. Instead of containing \"Expected " 86 "failure\", it is:\n"); 87 Fail(e.what()); 88 } catch (...) { 89 Fail("A failed assertion threw the wrong type of exception."); 90 } 91 Fail("A failed assertion should've thrown but didn't."); 92 } 93 94 int kTestForContinuingTest = 0; 95 96 TEST(Test, Test2) { kTestForContinuingTest = 1; } 97 98 int main(int argc, char** argv) { 99 testing::InitGoogleTest(&argc, argv); 100 testing::UnitTest::GetInstance()->listeners().Append(new ThrowListener); 101 102 int result = RUN_ALL_TESTS(); 103 if (result == 0) { 104 printf("RUN_ALL_TESTS returned %d\n", result); 105 Fail("Expected failure instead."); 106 } 107 108 if (kTestForContinuingTest == 0) { 109 Fail("Should have continued with other tests, but did not."); 110 } 111 return 0; 112 } 113