LXR qemu/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
  31static 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
  66static void test_io_channel_file(void)
  67{
  68    test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  69}
  70
  71static void test_io_channel_file_rdwr(void)
  72{
  73    test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  74}
  75
  76static 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
  96static 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
 119static void test_io_channel_pipe_async(void)
 120{
 121    test_io_channel_pipe(true);
 122}
 123
 124static void test_io_channel_pipe_sync(void)
 125{
 126    test_io_channel_pipe(false);
 127}
 128#endif /* ! _WIN32 */
 129
 130
 131int 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}
 146