tests/test-io-channel-file.c

   1 /*
   2  * QEMU I/O channel file test
   3  *
   4  * Copyright (c) 2015 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "io/channel-file.h"
  23 #include "io/channel-util.h"
  24 #include "io-channel-helpers.h"
  25 #include "qapi/error.h"
  26 #include "qemu/module.h"
  27
  28 #define TEST_FILE "tests/test-io-channel-file.txt"
  29 #define TEST_MASK 0600
  30
  31 static void test_io_channel_file_helper(int flags)
  32 {
  33     QIOChannel *src, *dst;
  34     QIOChannelTest *test;
  35     struct stat st;
  36     mode_t mask;
  37     int ret;
  38
  39     unlink(TEST_FILE);
  40     src = QIO_CHANNEL(qio_channel_file_new_path(
  41                           TEST_FILE,
  42                           flags, TEST_MASK,
  43                           &error_abort));
  44     dst = QIO_CHANNEL(qio_channel_file_new_path(
  45                           TEST_FILE,
  46                           O_RDONLY | O_BINARY, 0,
  47                           &error_abort));
  48
  49     test = qio_channel_test_new();
  50     qio_channel_test_run_writer(test, src);
  51     qio_channel_test_run_reader(test, dst);
  52     qio_channel_test_validate(test);
  53
  54     /* Check that the requested mode took effect. */
  55     mask = umask(0);
  56     umask(mask);
  57     ret = stat(TEST_FILE, &st);
  58     g_assert_cmpint(ret, >, -1);
  59     g_assert_cmpuint(TEST_MASK & ~mask, ==, st.st_mode & 0777);
  60
  61     unlink(TEST_FILE);
  62     object_unref(OBJECT(src));
  63     object_unref(OBJECT(dst));
  64 }
  65
  66 static void test_io_channel_file(void)
  67 {
  68     test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  69 }
  70
  71 static void test_io_channel_file_rdwr(void)
  72 {
  73     test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  74 }
  75
  76 static void test_io_channel_fd(void)
  77 {
  78     QIOChannel *ioc;
  79     int fd = -1;
  80
  81     fd = open(TEST_FILE, O_CREAT | O_TRUNC | O_WRONLY, 0600);
  82     g_assert_cmpint(fd, >, -1);
  83
  84     ioc = qio_channel_new_fd(fd, &error_abort);
  85
  86     g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
  87                     ==,
  88                     TYPE_QIO_CHANNEL_FILE);
  89
  90     unlink(TEST_FILE);
  91     object_unref(OBJECT(ioc));
  92 }
  93
  94
  95 #ifndef _WIN32
  96 static void test_io_channel_pipe(bool async)
  97 {
  98     QIOChannel *src, *dst;
  99     QIOChannelTest *test;
 100     int fd[2];
 101
 102     if (pipe(fd) < 0) {
 103         perror("pipe");
 104         abort();
 105     }
 106
 107     src = QIO_CHANNEL(qio_channel_file_new_fd(fd[1]));
 108     dst = QIO_CHANNEL(qio_channel_file_new_fd(fd[0]));
 109
 110     test = qio_channel_test_new();
 111     qio_channel_test_run_threads(test, async, src, dst);
 112     qio_channel_test_validate(test);
 113
 114     object_unref(OBJECT(src));
 115     object_unref(OBJECT(dst));
 116 }
 117
 118
 119 static void test_io_channel_pipe_async(void)
 120 {
 121     test_io_channel_pipe(true);
 122 }
 123
 124 static void test_io_channel_pipe_sync(void)
 125 {
 126     test_io_channel_pipe(false);
 127 }
 128 #endif /* ! _WIN32 */
 129
 130
 131 int main(int argc, char **argv)
 132 {
 133     module_call_init(MODULE_INIT_QOM);
 134
 135     g_test_init(&argc, &argv, NULL);
 136
 137     g_test_add_func("/io/channel/file", test_io_channel_file);
 138     g_test_add_func("/io/channel/file/rdwr", test_io_channel_file_rdwr);
 139     g_test_add_func("/io/channel/file/fd", test_io_channel_fd);
 140 #ifndef _WIN32
 141     g_test_add_func("/io/channel/pipe/sync", test_io_channel_pipe_sync);
 142     g_test_add_func("/io/channel/pipe/async", test_io_channel_pipe_async);
 143 #endif
 144     return g_test_run();
 145 }