1 //===- llvm/unittest/Support/ThreadLocalTest.cpp - ThreadLocal tests ------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Support/ThreadLocal.h" 11 #include "gtest/gtest.h" 12 #include <type_traits> 13 14 using namespace llvm; 15 using namespace sys; 16 17 namespace { 18 19 class ThreadLocalTest : public ::testing::Test { 20 }; 21 22 struct S { 23 int i; 24 }; 25 26 TEST_F(ThreadLocalTest, Basics) { 27 ThreadLocal<const S> x; 28 29 static_assert( 30 std::is_const<std::remove_pointer<decltype(x.get())>::type>::value, 31 "ThreadLocal::get didn't return a pointer to const object"); 32 33 EXPECT_EQ(nullptr, x.get()); 34 35 S s; 36 x.set(&s); 37 EXPECT_EQ(&s, x.get()); 38 39 x.erase(); 40 EXPECT_EQ(nullptr, x.get()); 41 42 ThreadLocal<S> y; 43 44 static_assert( 45 !std::is_const<std::remove_pointer<decltype(y.get())>::type>::value, 46 "ThreadLocal::get returned a pointer to const object"); 47 48 EXPECT_EQ(nullptr, y.get()); 49 50 y.set(&s); 51 EXPECT_EQ(&s, y.get()); 52 53 y.erase(); 54 EXPECT_EQ(nullptr, y.get()); 55 } 56 57 } 58
