// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors // Licensed under the MIT License: // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. #include "refcount.h" #include <kj/compat/gtest.h> namespace kj { struct SetTrueInDestructor: public Refcounted { SetTrueInDestructor(bool* ptr): ptr(ptr) {} ~SetTrueInDestructor() { *ptr = true; } bool* ptr; }; TEST(Refcount, Basic) { bool b = false; Own<SetTrueInDestructor> ref1 = kj::refcounted<SetTrueInDestructor>(&b); EXPECT_FALSE(ref1->isShared()); Own<SetTrueInDestructor> ref2 = kj::addRef(*ref1); EXPECT_TRUE(ref1->isShared()); Own<SetTrueInDestructor> ref3 = kj::addRef(*ref2); EXPECT_TRUE(ref1->isShared()); EXPECT_FALSE(b); ref1 = Own<SetTrueInDestructor>(); EXPECT_TRUE(ref2->isShared()); EXPECT_FALSE(b); ref3 = Own<SetTrueInDestructor>(); EXPECT_FALSE(ref2->isShared()); EXPECT_FALSE(b); ref2 = Own<SetTrueInDestructor>(); EXPECT_TRUE(b); #if defined(KJ_DEBUG) && !KJ_NO_EXCEPTIONS b = false; SetTrueInDestructor obj(&b); EXPECT_ANY_THROW(addRef(obj)); #endif } } // namespace kj