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"
11 #include "llvm/Support/Errc.h"
12 #include "gtest/gtest.h"
19 ErrorOr<int> t1() {return 1;}
20 ErrorOr<int> t2() { return errc::invalid_argument; }
22 TEST(ErrorOr, SimpleValue) {
23 ErrorOr<int> a = t1();
24 // FIXME: This is probably a bug in gtest. EXPECT_TRUE should expand to
25 // include the !! to make it friendly to explicit bool operators.
34 EXPECT_EQ(a.getError(), errc::invalid_argument);
35 #ifdef EXPECT_DEBUG_DEATH
36 EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
40 ErrorOr<std::unique_ptr<int> > t3() {
41 return std::unique_ptr<int>(new int(3));
44 TEST(ErrorOr, Types) {
57 TEST(ErrorOr, Covariant) {
58 ErrorOr<B*> b(ErrorOr<D*>(nullptr));
59 b = ErrorOr<D*>(nullptr);
61 ErrorOr<std::unique_ptr<B> > b1(ErrorOr<std::unique_ptr<D> >(nullptr));
62 b1 = ErrorOr<std::unique_ptr<D> >(nullptr);
64 } // end anon namespace