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
  27 #define TEST_FILE "tests/test-io-channel-file.txt"
  28 #define TEST_MASK 0600
  29
  30 static void test_io_channel_file_helper(int flags)
  31 {
  32     QIOChannel *src, *dst;
  33     QIOChannelTest *test;
  34     struct stat st;
  35     mode_t mask;
  36     int ret;
  37
  38     unlink(TEST_FILE);
  39     src = QIO_CHANNEL(qio_channel_file_new_path(
  40                           TEST_FILE,
  41                           flags, TEST_MASK,
  42                           &error_abort));
  43     dst = QIO_CHANNEL(qio_channel_file_new_path(
  44                           TEST_FILE,
  45                           O_RDONLY | O_BINARY, 0,
  46                           &error_abort));
  47
  48     test = qio_channel_test_new();
  49     qio_channel_test_run_writer(test, src);
  50     qio_channel_test_run_reader(test, dst);
  51     qio_channel_test_validate(test);
  52
  53     /* Check that the requested mode took effect. */
  54     mask = umask(0);
  55     umask(mask);
  56     ret = stat(TEST_FILE, &st);
  57     g_assert_cmpint(ret, >, -1);
  58     g_assert_cmpuint(TEST_MASK & ~mask, ==, st.st_mode & 0777);
  59
  60     unlink(TEST_FILE);
  61     object_unref(OBJECT(src));
  62     object_unref(OBJECT(dst));
  63 }
  64
  65 static void test_io_channel_file(void)
  66 {
  67     test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  68 }
  69
  70 static void test_io_channel_file_rdwr(void)
  71 {
  72     test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  73 }
  74
  75 static void test_io_channel_fd(void)
  76 {
  77     QIOChannel *ioc;
  78     int fd = -1;
  79
  80     fd = open(TEST_FILE, O_CREAT | O_TRUNC | O_WRONLY, 0600);
  81     g_assert_cmpint(fd, >, -1);
  82
  83     ioc = qio_channel_new_fd(fd, &error_abort);
  84
  85     g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
  86                     ==,
  87                     TYPE_QIO_CHANNEL_FILE);
  88
  89     unlink(TEST_FILE);
  90     object_unref(OBJECT(ioc));
  91 }
  92
  93
  94 #ifndef _WIN32
  95 static void test_io_channel_pipe(bool async)
  96 {
  97     QIOChannel *src, *dst;
  98     QIOChannelTest *test;
  99     int fd[2];
 100
 101     if (pipe(fd) < 0) {
 102         perror("pipe");
 103         abort();
 104     }
 105
 106     src = QIO_CHANNEL(qio_channel_file_new_fd(fd[1]));
 107     dst = QIO_CHANNEL(qio_channel_file_new_fd(fd[0]));
 108
 109     test = qio_channel_test_new();
 110     qio_channel_test_run_threads(test, async, src, dst);
 111     qio_channel_test_validate(test);
 112
 113     object_unref(OBJECT(src));
 114     object_unref(OBJECT(dst));
 115 }
 116
 117
 118 static void test_io_channel_pipe_async(void)
 119 {
 120     test_io_channel_pipe(true);
 121 }
 122
 123 static void test_io_channel_pipe_sync(void)
 124 {
 125     test_io_channel_pipe(false);
 126 }
 127 #endif /* ! _WIN32 */
 128
 129
 130 int main(int argc, char **argv)
 131 {
 132     module_call_init(MODULE_INIT_QOM);
 133
 134     g_test_init(&argc, &argv, NULL);
 135
 136     g_test_add_func("/io/channel/file", test_io_channel_file);
 137     g_test_add_func("/io/channel/file/rdwr", test_io_channel_file_rdwr);
 138     g_test_add_func("/io/channel/file/fd", test_io_channel_fd);
 139 #ifndef _WIN32
 140     g_test_add_func("/io/channel/pipe/sync", test_io_channel_pipe_sync);
 141     g_test_add_func("/io/channel/pipe/async", test_io_channel_pipe_async);
 142 #endif
 143     return g_test_run();
 144 }