57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
//===--- status_test.cpp - Tests for the Status and Expected classes ------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "status.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include <memory>
|
|
|
|
namespace {
|
|
|
|
struct RefCounter {
|
|
static int Count;
|
|
|
|
RefCounter() { ++Count; }
|
|
~RefCounter() { --Count; }
|
|
RefCounter(const RefCounter &) = delete;
|
|
RefCounter &operator=(const RefCounter &) = delete;
|
|
};
|
|
|
|
int RefCounter::Count;
|
|
|
|
TEST(Expected, RefCounter) {
|
|
RefCounter::Count = 0;
|
|
using uptr = std::unique_ptr<RefCounter>;
|
|
|
|
acxxel::Expected<uptr> E0(uptr(new RefCounter));
|
|
EXPECT_FALSE(E0.isError());
|
|
EXPECT_EQ(1, RefCounter::Count);
|
|
|
|
acxxel::Expected<uptr> E1(std::move(E0));
|
|
EXPECT_FALSE(E1.isError());
|
|
EXPECT_EQ(1, RefCounter::Count);
|
|
|
|
acxxel::Expected<uptr> E2(acxxel::Status("nothing in here yet"));
|
|
EXPECT_TRUE(E2.isError());
|
|
EXPECT_EQ(1, RefCounter::Count);
|
|
E2 = std::move(E1);
|
|
EXPECT_FALSE(E2.isError());
|
|
EXPECT_EQ(1, RefCounter::Count);
|
|
|
|
EXPECT_EQ(1, E2.getValue()->Count);
|
|
EXPECT_FALSE(E2.isError());
|
|
EXPECT_EQ(1, RefCounter::Count);
|
|
|
|
EXPECT_EQ(1, E2.takeValue()->Count);
|
|
EXPECT_EQ(0, RefCounter::Count);
|
|
}
|
|
|
|
} // namespace
|