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/*
* 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"
extern "C" void __hwasan_init() __attribute__((weak));
#define SKIP_WITH_HWASAN \
if (&__hwasan_init != 0) GTEST_SKIP()
TEST(SharedBufferTest, alloc_death) {
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX), "");
EXPECT_DEATH(android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer)), "");
}
TEST(SharedBufferTest, alloc_max) {
SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit.
android::SharedBuffer* buf =
android::SharedBuffer::alloc(SIZE_MAX - sizeof(android::SharedBuffer) - 1);
if (buf != nullptr) {
EXPECT_NE(nullptr, buf->data());
buf->release();
}
}
TEST(SharedBufferTest, alloc_big) {
SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit.
android::SharedBuffer* buf = android::SharedBuffer::alloc(SIZE_MAX / 2);
if (buf != nullptr) {
EXPECT_NE(nullptr, buf->data());
buf->release();
}
}
TEST(SharedBufferTest, alloc_zero_size) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(0);
ASSERT_NE(nullptr, buf);
ASSERT_EQ(0U, buf->size());
buf->release();
}
TEST(SharedBufferTest, editResize_death) {
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), "");
}
TEST(SharedBufferTest, editResize_null) {
// Big enough to fail, not big enough to abort.
SKIP_WITH_HWASAN; // hwasan has a 2GiB allocation limit.
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
android::SharedBuffer* buf2 = buf->editResize(SIZE_MAX / 2);
if (buf2 == nullptr) {
buf->release();
} else {
EXPECT_NE(nullptr, buf2->data());
buf2->release();
}
}
TEST(SharedBufferTest, editResize_zero_size) {
android::SharedBuffer* buf = android::SharedBuffer::alloc(10);
buf = buf->editResize(0);
ASSERT_EQ(0U, buf->size());
buf->release();
}