| //===- llvm/unittest/ADT/ScopeExit.cpp - Scope exit unit tests --*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/ScopeExit.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(ScopeExitTest, Basic) { |
| struct Callable { |
| bool &Called; |
| Callable(bool &Called) : Called(Called) {} |
| Callable(Callable &&RHS) : Called(RHS.Called) {} |
| void operator()() { Called = true; } |
| }; |
| bool Called = false; |
| { |
| auto g = make_scope_exit(Callable(Called)); |
| EXPECT_FALSE(Called); |
| } |
| EXPECT_TRUE(Called); |
| } |
| |
| TEST(ScopeExitTest, Release) { |
| int Count = 0; |
| auto Increment = [&] { ++Count; }; |
| { |
| auto G = make_scope_exit(Increment); |
| auto H = std::move(G); |
| auto I = std::move(G); |
| EXPECT_EQ(0, Count); |
| } |
| EXPECT_EQ(1, Count); |
| { |
| auto G = make_scope_exit(Increment); |
| G.release(); |
| } |
| EXPECT_EQ(1, Count); |
| } |
| |
| } // end anonymous namespace |