blob: 66682f1f0280c14fc6641c0a5a437cfb12a6bb77 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include "base/debug/alias.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(DebugAlias, Test) {
std::unique_ptr<std::string> input =
std::make_unique<std::string>("string contents");
// Verify the contents get copied + the new local variable has the right type.
DEBUG_ALIAS_FOR_CSTR(copy1, input->c_str(), 100 /* > input->size() */);
static_assert(sizeof(copy1) == 100,
"Verification that copy1 has expected size");
EXPECT_STREQ("string contents", copy1);
// Verify that the copy is properly null-terminated even when it is smaller
// than the input string.
DEBUG_ALIAS_FOR_CSTR(copy2, input->c_str(), 3 /* < input->size() */);
static_assert(sizeof(copy2) == 3,
"Verification that copy2 has expected size");
EXPECT_STREQ("st", copy2);
EXPECT_EQ('\0', copy2[2]);