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/*
* QEMU I/O channel null test
*
* Copyright (c) 2022 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "io/channel-null.h"
#include "qapi/error.h"
static gboolean test_io_channel_watch(QIOChannel *ioc,
GIOCondition condition,
gpointer opaque)
{
GIOCondition *gotcond = opaque;
*gotcond = condition;
return G_SOURCE_REMOVE;
}
static void test_io_channel_null_io(void)
{
g_autoptr(QIOChannelNull) null = qio_channel_null_new();
char buf[1024];
GIOCondition gotcond = 0;
Error *local_err = NULL;
g_assert(qio_channel_write(QIO_CHANNEL(null),
"Hello World", 11,
&error_abort) == 11);
g_assert(qio_channel_read(QIO_CHANNEL(null),
buf, sizeof(buf),
&error_abort) == 0);
qio_channel_add_watch(QIO_CHANNEL(null),
G_IO_IN,
test_io_channel_watch,
&gotcond,
NULL);
g_main_context_iteration(NULL, false);
g_assert(gotcond == G_IO_IN);
qio_channel_add_watch(QIO_CHANNEL(null),
G_IO_IN | G_IO_OUT,
test_io_channel_watch,
&gotcond,
NULL);
g_main_context_iteration(NULL, false);
g_assert(gotcond == (G_IO_IN | G_IO_OUT));
qio_channel_close(QIO_CHANNEL(null), &error_abort);
g_assert(qio_channel_write(QIO_CHANNEL(null),
"Hello World", 11,
&local_err) == -1);
g_assert_nonnull(local_err);
g_clear_pointer(&local_err, error_free);
g_assert(qio_channel_read(QIO_CHANNEL(null),
buf, sizeof(buf),
&local_err) == -1);
g_assert_nonnull(local_err);
g_clear_pointer(&local_err, error_free);
}
int main(int argc, char **argv)
{
module_call_init(MODULE_INIT_QOM);
g_test_init(&argc, &argv, NULL);
g_test_add_func("/io/channel/null/io", test_io_channel_null_io);
return g_test_run();
}
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