aosp12/bionic/tests/sys_sendfile_test.cpp

64 lines
1.7 KiB
C++

/*
* Copyright (C) 2013 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.
*/
#include <errno.h>
#include <fcntl.h>
#include <sys/sendfile.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <android-base/file.h>
#include <gtest/gtest.h>
TEST(sys_sendfile, sendfile) {
TemporaryFile src_file;
ASSERT_EQ(5, TEMP_FAILURE_RETRY(write(src_file.fd, "hello", 5)));
TemporaryFile dst_file;
off_t offset = 2;
size_t count = 2;
ssize_t rc = sendfile(dst_file.fd, src_file.fd, &offset, count);
ASSERT_EQ(2, rc);
ASSERT_EQ(4, offset);
ASSERT_EQ(0, lseek(dst_file.fd, 0, SEEK_SET));
char buf[3];
buf[2] = '\0';
ASSERT_EQ(2, TEMP_FAILURE_RETRY(read(dst_file.fd, &buf, 2)));
ASSERT_STREQ("ll", buf);
}
TEST(sys_sendfile, sendfile64) {
TemporaryFile src_file;
ASSERT_EQ(5, TEMP_FAILURE_RETRY(write(src_file.fd, "hello", 5)));
TemporaryFile dst_file;
off64_t offset = 2;
size_t count = 2;
ssize_t rc = sendfile64(dst_file.fd, src_file.fd, &offset, count);
ASSERT_EQ(2, rc);
ASSERT_EQ(4, offset);
ASSERT_EQ(0, lseek(dst_file.fd, 0, SEEK_SET));
char buf[3];
buf[2] = '\0';
ASSERT_EQ(2, TEMP_FAILURE_RETRY(read(dst_file.fd, &buf, 2)));
ASSERT_STREQ("ll", buf);
}