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
  27#define TEST_FILE "tests/test-io-channel-file.txt"
  28#define TEST_MASK 0600
  29
  30static 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
  65static void test_io_channel_file(void)
  66{
  67    test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  68}
  69
  70static void test_io_channel_file_rdwr(void)
  71{
  72    test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  73}
  74
  75static 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
  95static 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
 118static void test_io_channel_pipe_async(void)
 119{
 120    test_io_channel_pipe(true);
 121}
 122
 123static void test_io_channel_pipe_sync(void)
 124{
 125    test_io_channel_pipe(false);
 126}
 127#endif /* ! _WIN32 */
 128
 129
 130int 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}
 145