57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
//===- llvm/unittest/Support/ThreadLocalTest.cpp - ThreadLocal tests ------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/ThreadLocal.h"
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#include "gtest/gtest.h"
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#include <type_traits>
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using namespace llvm;
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using namespace sys;
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namespace {
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class ThreadLocalTest : public ::testing::Test {
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};
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struct S {
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int i;
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};
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TEST_F(ThreadLocalTest, Basics) {
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ThreadLocal<const S> x;
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static_assert(
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std::is_const<std::remove_pointer<decltype(x.get())>::type>::value,
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"ThreadLocal::get didn't return a pointer to const object");
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EXPECT_EQ(nullptr, x.get());
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S s;
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x.set(&s);
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EXPECT_EQ(&s, x.get());
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x.erase();
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EXPECT_EQ(nullptr, x.get());
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ThreadLocal<S> y;
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static_assert(
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!std::is_const<std::remove_pointer<decltype(y.get())>::type>::value,
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"ThreadLocal::get returned a pointer to const object");
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EXPECT_EQ(nullptr, y.get());
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y.set(&s);
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EXPECT_EQ(&s, y.get());
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y.erase();
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EXPECT_EQ(nullptr, y.get());
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}
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}
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