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Diffstat (limited to '')
| -rw-r--r-- | src/lib/test-ostream-file.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/lib/test-ostream-file.c b/src/lib/test-ostream-file.c new file mode 100644 index 0000000..d4a9eff --- /dev/null +++ b/src/lib/test-ostream-file.c @@ -0,0 +1,189 @@ +/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */ + +#include "test-lib.h" +#include "net.h" +#include "str.h" +#include "safe-mkstemp.h" +#include "randgen.h" +#include "istream.h" +#include "ostream.h" + +#include <fcntl.h> +#include <unistd.h> + +#define MAX_BUFSIZE 256 + +static void test_ostream_file_random_once(void) +{ + struct ostream *output; + string_t *path = t_str_new(128); + char buf[MAX_BUFSIZE*4], buf2[MAX_BUFSIZE*4], randbuf[MAX_BUFSIZE]; + unsigned int i, offset, size; + ssize_t ret; + int fd; + + memset(buf, 0, sizeof(buf)); + fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1); + if (fd == -1) + i_fatal("safe_mkstemp(%s) failed: %m", str_c(path)); + i_unlink(str_c(path)); + output = o_stream_create_fd(fd, MAX_BUFSIZE); + o_stream_cork(output); + + size = i_rand_minmax(1, MAX_BUFSIZE); + random_fill(randbuf, size); + memcpy(buf, randbuf, size); + test_assert(o_stream_send(output, buf, size) > 0); + + for (i = 0; i < 10; i++) { + offset = i_rand_limit(MAX_BUFSIZE * 3); + size = i_rand_minmax(1, MAX_BUFSIZE); + random_fill(randbuf, size); + memcpy(buf + offset, randbuf, size); + test_assert(o_stream_pwrite(output, randbuf, size, offset) == 0); + if (i_rand_limit(10) == 0) + test_assert(o_stream_flush(output) > 0); + } + + o_stream_uncork(output); + test_assert(o_stream_finish(output) > 0); + ret = pread(fd, buf2, sizeof(buf2), 0); + if (ret < 0) + i_fatal("pread() failed: %m"); + else { + i_assert(ret > 0); + test_assert(memcmp(buf, buf2, ret) == 0); + } + o_stream_unref(&output); + i_close_fd(&fd); +} + +static void test_ostream_file_random(void) +{ + unsigned int i; + + test_begin("ostream pwrite random"); + for (i = 0; i < 100; i++) T_BEGIN { + test_ostream_file_random_once(); + } T_END; + test_end(); +} + +static void test_ostream_file_send_istream_file(void) +{ + struct istream *input, *input2; + struct ostream *output; + char buf[10]; + int fd; + + test_begin("ostream file send istream file"); + + /* temp file istream */ + fd = open(".temp.istream", O_RDWR | O_CREAT | O_TRUNC, 0600); + if (fd == -1) + i_fatal("creat(.temp.istream) failed: %m"); + test_assert(write(fd, "1234567890", 10) == 10); + test_assert(lseek(fd, 0, SEEK_SET) == 0); + input = i_stream_create_fd_autoclose(&fd, 1024); + + /* temp file ostream */ + fd = open(".temp.ostream", O_RDWR | O_CREAT | O_TRUNC, 0600); + if (fd == -1) + i_fatal("creat(.temp.ostream) failed: %m"); + output = o_stream_create_fd(fd, 0); + + /* test that writing works between two files */ + i_stream_seek(input, 3); + input2 = i_stream_create_limit(input, 4); + test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED); + test_assert(output->offset == 4); + test_assert(pread(fd, buf, sizeof(buf), 0) == 4 && + memcmp(buf, "4567", 4) == 0); + i_stream_unref(&input2); + + /* test that writing works within the same file */ + i_stream_destroy(&input); + + input = i_stream_create_fd(fd, 1024); + /* forwards: 4567 -> 4677 */ + o_stream_seek(output, 1); + i_stream_seek(input, 2); + input2 = i_stream_create_limit(input, 2); + test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED); + test_assert(output->offset == 3); + test_assert(pread(fd, buf, sizeof(buf), 0) == 4 && + memcmp(buf, "4677", 4) == 0); + i_stream_destroy(&input2); + i_stream_destroy(&input); + + /* backwards: 1234 -> 11234 */ + memcpy(buf, "1234", 4); + test_assert(pwrite(fd, buf, 4, 0) == 4); + input = i_stream_create_fd(fd, 1024); + o_stream_seek(output, 1); + test_assert(o_stream_send_istream(output, input) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED); + test_assert(output->offset == 5); + test_assert(pread(fd, buf, sizeof(buf), 0) == 5 && + memcmp(buf, "11234", 5) == 0); + i_stream_destroy(&input); + + o_stream_destroy(&output); + i_close_fd(&fd); + + i_unlink(".temp.istream"); + i_unlink(".temp.ostream"); + test_end(); +} + +static void test_ostream_file_send_istream_sendfile(void) +{ + struct istream *input, *input2; + struct ostream *output; + char buf[10]; + int fd, sock_fd[2]; + + test_begin("ostream file send istream sendfile()"); + + /* temp file istream */ + fd = open(".temp.istream", O_RDWR | O_CREAT | O_TRUNC, 0600); + if (fd == -1) + i_fatal("creat(.temp.istream) failed: %m"); + test_assert(write(fd, "abcdefghij", 10) == 10); + test_assert(lseek(fd, 0, SEEK_SET) == 0); + input = i_stream_create_fd_autoclose(&fd, 1024); + + /* temp socket ostream */ + i_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, sock_fd) == 0); + output = o_stream_create_fd_autoclose(sock_fd, 0); + + /* test that sendfile() works */ + i_stream_seek(input, 3); + input2 = i_stream_create_limit(input, 4); + test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED); + test_assert(output->offset == 4); + test_assert(read(sock_fd[1], buf, sizeof(buf)) == 4 && + memcmp(buf, "defg", 4) == 0); + i_stream_unref(&input2); + + /* test reading past EOF */ + i_stream_seek(input, 0); + input2 = i_stream_create_limit(input, 20); + test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED); + test_assert(input2->v_offset == 10); + test_assert(output->offset == 14); + i_stream_unref(&input2); + + i_stream_unref(&input); + o_stream_destroy(&output); + i_close_fd(&sock_fd[1]); + + i_unlink(".temp.istream"); + test_end(); +} + +void test_ostream_file(void) +{ + test_ostream_file_random(); + test_ostream_file_send_istream_file(); + test_ostream_file_send_istream_sendfile(); +} |