1 //===- unittests/ErrorOrTest.cpp - ErrorOr.h tests ------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/ErrorOr.h"
12 #include "gtest/gtest.h"
20 ErrorOr<int> t1() {return 1;}
21 ErrorOr<int> t2() { return errc::invalid_argument; }
23 TEST(ErrorOr, SimpleValue) {
24 ErrorOr<int> a = t1();
30 EXPECT_EQ(errc::invalid_argument, a);
31 #ifdef EXPECT_DEBUG_DEATH
32 EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
36 #if LLVM_HAS_CXX11_STDLIB
37 ErrorOr<std::unique_ptr<int> > t3() {
38 return std::unique_ptr<int>(new int(3));
42 TEST(ErrorOr, Types) {
48 #if LLVM_HAS_CXX11_STDLIB
57 TEST(ErrorOr, Covariant) {
58 ErrorOr<B*> b(ErrorOr<D*>(0));
61 #if LLVM_HAS_CXX11_STDLIB
62 ErrorOr<std::unique_ptr<B> > b1(ErrorOr<std::unique_ptr<D> >(0));
63 b1 = ErrorOr<std::unique_ptr<D> >(0);
66 } // end anon namespace