LXR qemu/tests/unit/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 2.1 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/*
  32 * On Windows the stat() function in the C library checks only
  33 * the FAT-style READONLY attribute and does not look at the ACL at all.
  34 */
  35#ifdef _WIN32
  36#define TEST_MASK_EXPECT 0700
  37#else
  38#define TEST_MASK_EXPECT 0777
  39#endif
  40
  41static void test_io_channel_file_helper(int flags)
  42{
  43    QIOChannel *src, *dst;
  44    QIOChannelTest *test;
  45    struct stat st;
  46    mode_t mask;
  47    int ret;
  48
  49    unlink(TEST_FILE);
  50    src = QIO_CHANNEL(qio_channel_file_new_path(
  51                          TEST_FILE,
  52                          flags, TEST_MASK,
  53                          &error_abort));
  54    dst = QIO_CHANNEL(qio_channel_file_new_path(
  55                          TEST_FILE,
  56                          O_RDONLY | O_BINARY, 0,
  57                          &error_abort));
  58
  59    test = qio_channel_test_new();
  60    qio_channel_test_run_writer(test, src);
  61    qio_channel_test_run_reader(test, dst);
  62    qio_channel_test_validate(test);
  63
  64    /* Check that the requested mode took effect. */
  65    mask = umask(0);
  66    umask(mask);
  67    ret = stat(TEST_FILE, &st);
  68    g_assert_cmpint(ret, >, -1);
  69    g_assert_cmpuint(TEST_MASK & ~mask, ==, st.st_mode & TEST_MASK_EXPECT);
  70
  71    unlink(TEST_FILE);
  72    object_unref(OBJECT(src));
  73    object_unref(OBJECT(dst));
  74}
  75
  76static void test_io_channel_file(void)
  77{
  78    test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
  79}
  80
  81static void test_io_channel_file_rdwr(void)
  82{
  83    test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
  84}
  85
  86static void test_io_channel_fd(void)
  87{
  88    QIOChannel *ioc;
  89    int fd = -1;
  90
  91    fd = open(TEST_FILE, O_CREAT | O_TRUNC | O_WRONLY, 0600);
  92    g_assert_cmpint(fd, >, -1);
  93
  94    ioc = qio_channel_new_fd(fd, &error_abort);
  95
  96    g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
  97                    ==,
  98                    TYPE_QIO_CHANNEL_FILE);
  99
 100    unlink(TEST_FILE);
 101    object_unref(OBJECT(ioc));
 102}
 103
 104
 105#ifndef _WIN32
 106static void test_io_channel_pipe(bool async)
 107{
 108    QIOChannel *src, *dst;
 109    QIOChannelTest *test;
 110    int fd[2];
 111
 112    if (pipe(fd) < 0) {
 113        perror("pipe");
 114        abort();
 115    }
 116
 117    src = QIO_CHANNEL(qio_channel_file_new_fd(fd[1]));
 118    dst = QIO_CHANNEL(qio_channel_file_new_fd(fd[0]));
 119
 120    test = qio_channel_test_new();
 121    qio_channel_test_run_threads(test, async, src, dst);
 122    qio_channel_test_validate(test);
 123
 124    object_unref(OBJECT(src));
 125    object_unref(OBJECT(dst));
 126}
 127
 128
 129static void test_io_channel_pipe_async(void)
 130{
 131    test_io_channel_pipe(true);
 132}
 133
 134static void test_io_channel_pipe_sync(void)
 135{
 136    test_io_channel_pipe(false);
 137}
 138#endif /* ! _WIN32 */
 139
 140
 141int main(int argc, char **argv)
 142{
 143    module_call_init(MODULE_INIT_QOM);
 144
 145    g_test_init(&argc, &argv, NULL);
 146
 147    g_test_add_func("/io/channel/file", test_io_channel_file);
 148    g_test_add_func("/io/channel/file/rdwr", test_io_channel_file_rdwr);
 149    g_test_add_func("/io/channel/file/fd", test_io_channel_fd);
 150#ifndef _WIN32
 151    g_test_add_func("/io/channel/pipe/sync", test_io_channel_pipe_sync);
 152    g_test_add_func("/io/channel/pipe/async", test_io_channel_pipe_async);
 153#endif
 154    return g_test_run();
 155}
 156