1 // Copyright 2013, 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 Mock's functionality that depends on exceptions. 31 32 #include <exception> 33 34 #include "gmock/gmock.h" 35 #include "gtest/gtest.h" 36 37 #if GTEST_HAS_EXCEPTIONS 38 namespace { 39 40 using testing::HasSubstr; 41 42 using testing::internal::GoogleTestFailureException; 43 44 // A type that cannot be default constructed. 45 class NonDefaultConstructible { 46 public: 47 explicit NonDefaultConstructible(int /* dummy */) {} 48 }; 49 50 class MockFoo { 51 public: 52 // A mock method that returns a user-defined type. Google Mock 53 // doesn't know what the default value for this type is. 54 MOCK_METHOD0(GetNonDefaultConstructible, NonDefaultConstructible()); 55 }; 56 57 TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) { 58 MockFoo mock; 59 try { 60 // No expectation is set on this method, so Google Mock must 61 // return the default value. However, since Google Mock knows 62 // nothing about the return type, it doesn't know what to return, 63 // and has to throw (when exceptions are enabled) or abort 64 // (otherwise). 65 mock.GetNonDefaultConstructible(); 66 FAIL() << "GetNonDefaultConstructible()'s return type has no default " 67 << "value, so Google Mock should have thrown."; 68 } catch (const GoogleTestFailureException& /* unused */) { 69 FAIL() << "Google Test does not try to catch an exception of type " 70 << "GoogleTestFailureException, which is used for reporting " 71 << "a failure to other testing frameworks. Google Mock should " 72 << "not throw a GoogleTestFailureException as it will kill the " 73 << "entire test program instead of just the current TEST."; 74 } catch (const std::exception& ex) { 75 EXPECT_THAT(ex.what(), HasSubstr("has no default value")); 76 } 77 } 78 79 } // unnamed namespace 80 #endif 81