platform_system_core/libutils/SharedBufferTest.cpp

59 lines
1.9 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define __STDC_LIMIT_MACROS
#include <gtest/gtest.h>
#include <memory>
#include <stdint.h>
#include "SharedBuffer.h"
TEST(SharedBufferTest, TestAlloc) {
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX), "");
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer)), "");
// Make sure we don't die here.
// Check that null is returned, as we are asking for the whole address space.
android::SharedBuffer* buf =
android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(0);
ASSERT_NE(nullptr, buf);
ASSERT_EQ(0U, buf->size());
buf->release();
}
TEST(SharedBufferTest, TestEditResize) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer)), "");
buf = android::SharedBuffer::alloc(10);
EXPECT_DEATH(buf->editResize(SIZE_MAX), "");
buf = android::SharedBuffer::alloc(10);
// Make sure we don't die here.
// Check that null is returned, as we are asking for the whole address space.
buf = buf->editResize(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
ASSERT_EQ(nullptr, buf);
buf = android::SharedBuffer::alloc(10);
buf = buf->editResize(0);
ASSERT_EQ(0U, buf->size());
buf->release();
}