1f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Copyright 2009, Google Inc. 2f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// All rights reserved. 3f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// 4f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Redistribution and use in source and binary forms, with or without 5f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// modification, are permitted provided that the following conditions are 6f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// met: 7f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// 8f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// * Redistributions of source code must retain the above copyright 9f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// notice, this list of conditions and the following disclaimer. 10f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// * Redistributions in binary form must reproduce the above 11f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// copyright notice, this list of conditions and the following disclaimer 12f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// in the documentation and/or other materials provided with the 13f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// distribution. 14f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// * Neither the name of Google Inc. nor the names of its 15f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// contributors may be used to endorse or promote products derived from 16f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// this software without specific prior written permission. 17f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// 18f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// 30f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Author: wan@google.com (Zhanyong Wan) 31f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 32f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Tests Google Test's throw-on-failure mode with exceptions enabled. 33f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 34f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch#include "gtest/gtest.h" 35f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 36f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch#include <stdlib.h> 37f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch#include <stdio.h> 38f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch#include <string.h> 39f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch#include <stdexcept> 40f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 41f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Prints the given failure message and exits the program with 42f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// non-zero. We use this instead of a Google Test assertion to 43f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// indicate a failure, as the latter is been tested and cannot be 44f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// relied on. 45f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdochvoid Fail(const char* msg) { 46f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch printf("FAILURE: %s\n", msg); 47f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch fflush(stdout); 48f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch exit(1); 49f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch} 50f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 51f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// Tests that an assertion failure throws a subclass of 52f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// std::runtime_error. 53f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdochvoid TestFailureThrowsRuntimeError() { 54f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch testing::GTEST_FLAG(throw_on_failure) = true; 55f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 56f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // A successful assertion shouldn't throw. 57f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch try { 58f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch EXPECT_EQ(3, 3); 59f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch } catch(...) { 60f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch Fail("A successful assertion wrongfully threw."); 61f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch } 62f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 63f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // A failed assertion should throw a subclass of std::runtime_error. 64f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch try { 65f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch EXPECT_EQ(2, 3) << "Expected failure"; 66f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch } catch(const std::runtime_error& e) { 67f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch if (strstr(e.what(), "Expected failure") != NULL) 68f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch return; 69f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 70f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch printf("%s", 71f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch "A failed assertion did throw an exception of the right type, " 72f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch "but the message is incorrect. Instead of containing \"Expected " 73f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch "failure\", it is:\n"); 74f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch Fail(e.what()); 75f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch } catch(...) { 76f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch Fail("A failed assertion threw the wrong type of exception."); 77f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch } 78f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch Fail("A failed assertion should've thrown but didn't."); 79f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch} 80f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 81f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdochint main(int argc, char** argv) { 82f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch testing::InitGoogleTest(&argc, argv); 83f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 84f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // We want to ensure that people can use Google Test assertions in 85f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // other testing frameworks, as long as they initialize Google Test 86f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // properly and set the thrown-on-failure mode. Therefore, we don't 87f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // use Google Test's constructs for defining and running tests 88f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch // (e.g. TEST and RUN_ALL_TESTS) here. 89f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch 90f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch TestFailureThrowsRuntimeError(); 91f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch return 0; 92f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch} 93