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test-io-channel-file.c (4109B)

      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 
     41 static 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 
     76 static void test_io_channel_file(void)
     77 {
     78     test_io_channel_file_helper(O_WRONLY | O_CREAT | O_TRUNC | O_BINARY);
     79 }
     80 
     81 static void test_io_channel_file_rdwr(void)
     82 {
     83     test_io_channel_file_helper(O_RDWR | O_CREAT | O_TRUNC | O_BINARY);
     84 }
     85 
     86 static 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
    106 static void test_io_channel_pipe(bool async)
    107 {
    108     QIOChannel *src, *dst;
    109     QIOChannelTest *test;
    110     int fd[2];
    111 
    112     if (!g_unix_open_pipe(fd, FD_CLOEXEC, NULL)) {
    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 
    129 static void test_io_channel_pipe_async(void)
    130 {
    131     test_io_channel_pipe(true);
    132 }
    133 
    134 static void test_io_channel_pipe_sync(void)
    135 {
    136     test_io_channel_pipe(false);
    137 }
    138 #endif /* ! _WIN32 */
    139 
    140 
    141 int 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 }