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//===- 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
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