1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 18 #include <errno.h> 19 #include <fcntl.h> 20 #include <sys/sendfile.h> 21 #include <sys/stat.h> 22 #include <sys/types.h> 23 24 #include <android-base/file.h> 25 #include <gtest/gtest.h> 26 27 TEST(sys_sendfile, sendfile) { 28 TemporaryFile src_file; 29 ASSERT_EQ(5, TEMP_FAILURE_RETRY(write(src_file.fd, "hello", 5))); 30 31 TemporaryFile dst_file; 32 33 off_t offset = 2; 34 size_t count = 2; 35 ssize_t rc = sendfile(dst_file.fd, src_file.fd, &offset, count); 36 ASSERT_EQ(2, rc); 37 ASSERT_EQ(4, offset); 38 39 ASSERT_EQ(0, lseek(dst_file.fd, 0, SEEK_SET)); 40 char buf[3]; 41 buf[2] = '\0'; 42 ASSERT_EQ(2, TEMP_FAILURE_RETRY(read(dst_file.fd, &buf, 2))); 43 ASSERT_STREQ("ll", buf); 44 } 45 46 TEST(sys_sendfile, sendfile64) { 47 TemporaryFile src_file; 48 ASSERT_EQ(5, TEMP_FAILURE_RETRY(write(src_file.fd, "hello", 5))); 49 50 TemporaryFile dst_file; 51 52 off64_t offset = 2; 53 size_t count = 2; 54 ssize_t rc = sendfile64(dst_file.fd, src_file.fd, &offset, count); 55 ASSERT_EQ(2, rc); 56 ASSERT_EQ(4, offset); 57 58 ASSERT_EQ(0, lseek(dst_file.fd, 0, SEEK_SET)); 59 char buf[3]; 60 buf[2] = '\0'; 61 ASSERT_EQ(2, TEMP_FAILURE_RETRY(read(dst_file.fd, &buf, 2))); 62 ASSERT_STREQ("ll", buf); 63 } 64