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 // Author: wan (at) google.com (Zhanyong Wan) 31 32 // Tests Google Test's throw-on-failure mode with exceptions enabled. 33 34 #include "gtest/gtest.h" 35 36 #include <stdlib.h> 37 #include <stdio.h> 38 #include <string.h> 39 #include <stdexcept> 40 41 // Prints the given failure message and exits the program with 42 // non-zero. We use this instead of a Google Test assertion to 43 // indicate a failure, as the latter is been tested and cannot be 44 // relied on. 45 void Fail(const char* msg) { 46 printf("FAILURE: %s\n", msg); 47 fflush(stdout); 48 exit(1); 49 } 50 51 // Tests that an assertion failure throws a subclass of 52 // std::runtime_error. 53 void TestFailureThrowsRuntimeError() { 54 testing::GTEST_FLAG(throw_on_failure) = true; 55 56 // A successful assertion shouldn't throw. 57 try { 58 EXPECT_EQ(3, 3); 59 } catch(...) { 60 Fail("A successful assertion wrongfully threw."); 61 } 62 63 // A failed assertion should throw a subclass of std::runtime_error. 64 try { 65 EXPECT_EQ(2, 3) << "Expected failure"; 66 } catch(const std::runtime_error& e) { 67 if (strstr(e.what(), "Expected failure") != NULL) 68 return; 69 70 printf("%s", 71 "A failed assertion did throw an exception of the right type, " 72 "but the message is incorrect. Instead of containing \"Expected " 73 "failure\", it is:\n"); 74 Fail(e.what()); 75 } catch(...) { 76 Fail("A failed assertion threw the wrong type of exception."); 77 } 78 Fail("A failed assertion should've thrown but didn't."); 79 } 80 81 int main(int argc, char** argv) { 82 testing::InitGoogleTest(&argc, argv); 83 84 // We want to ensure that people can use Google Test assertions in 85 // other testing frameworks, as long as they initialize Google Test 86 // properly and set the thrown-on-failure mode. Therefore, we don't 87 // use Google Test's constructs for defining and running tests 88 // (e.g. TEST and RUN_ALL_TESTS) here. 89 90 TestFailureThrowsRuntimeError(); 91 return 0; 92 } 93
