1 //===- llvm/unittest/ADT/MakeUniqueTest.cpp - make_unique unit 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/ADT/STLExtras.h" 11 #include "gtest/gtest.h" 12 13 using namespace llvm; 14 15 namespace { 16 17 // Ensure that copies of a function_ref copy the underlying state rather than 18 // causing one function_ref to chain to the next. 19 TEST(FunctionRefTest, Copy) { 20 auto A = [] { return 1; }; 21 auto B = [] { return 2; }; 22 function_ref<int()> X = A; 23 function_ref<int()> Y = X; 24 X = B; 25 EXPECT_EQ(1, Y()); 26 } 27 28 } 29
