forked from OSchip/llvm-project
76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
//===- unittests/ErrorOrTest.cpp - ErrorOr.h tests ------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "lld/Core/ErrorOr.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include <memory>
|
|
|
|
using namespace lld;
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
ErrorOr<int> t1() {return 1;}
|
|
ErrorOr<int> t2() {return make_error_code(errc::invalid_argument);}
|
|
|
|
TEST(ErrorOr, SimpleValue) {
|
|
auto a = t1();
|
|
EXPECT_TRUE(a);
|
|
EXPECT_EQ(1, *a);
|
|
|
|
a = t2();
|
|
EXPECT_FALSE(a);
|
|
EXPECT_EQ(errc::invalid_argument, a);
|
|
EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
|
|
}
|
|
|
|
ErrorOr<std::unique_ptr<int>> t3() {
|
|
return std::unique_ptr<int>(new int(3));
|
|
}
|
|
|
|
TEST(ErrorOr, Types) {
|
|
int x;
|
|
ErrorOr<int&> a(x);
|
|
*a = 42;
|
|
EXPECT_EQ(42, *a);
|
|
|
|
// Move only types.
|
|
EXPECT_EQ(3, **t3());
|
|
}
|
|
} // end anon namespace
|
|
|
|
struct InvalidArgError {
|
|
InvalidArgError() {}
|
|
InvalidArgError(std::string S) : ArgName(S) {}
|
|
std::string ArgName;
|
|
};
|
|
|
|
namespace lld {
|
|
template<>
|
|
struct ErrorOrUserDataTraits<InvalidArgError> : std::true_type {
|
|
static error_code error() {
|
|
return make_error_code(errc::invalid_argument);
|
|
}
|
|
};
|
|
} // end namespace lld
|
|
|
|
ErrorOr<int> t4() {
|
|
return InvalidArgError("adena");
|
|
}
|
|
|
|
namespace {
|
|
TEST(ErrorOr, UserErrorData) {
|
|
auto a = t4();
|
|
EXPECT_EQ(errc::invalid_argument, a);
|
|
EXPECT_EQ("adena", t4().getError<InvalidArgError>().ArgName);
|
|
}
|
|
} // end anon namespace
|