87e4276449
This is for code which needs a portable equivalent to a QIOChannelFile connected to /dev/null. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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* QEMU I/O channel null test
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*
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* Copyright (c) 2022 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "qemu/osdep.h"
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#include "io/channel-null.h"
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#include "qapi/error.h"
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static gboolean test_io_channel_watch(QIOChannel *ioc,
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GIOCondition condition,
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gpointer opaque)
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{
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GIOCondition *gotcond = opaque;
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*gotcond = condition;
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return G_SOURCE_REMOVE;
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}
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static void test_io_channel_null_io(void)
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{
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g_autoptr(QIOChannelNull) null = qio_channel_null_new();
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char buf[1024];
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GIOCondition gotcond = 0;
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Error *local_err = NULL;
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g_assert(qio_channel_write(QIO_CHANNEL(null),
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"Hello World", 11,
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&error_abort) == 11);
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g_assert(qio_channel_read(QIO_CHANNEL(null),
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buf, sizeof(buf),
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&error_abort) == 0);
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qio_channel_add_watch(QIO_CHANNEL(null),
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G_IO_IN,
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test_io_channel_watch,
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&gotcond,
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NULL);
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g_main_context_iteration(NULL, false);
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g_assert(gotcond == G_IO_IN);
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qio_channel_add_watch(QIO_CHANNEL(null),
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G_IO_IN | G_IO_OUT,
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test_io_channel_watch,
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&gotcond,
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NULL);
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g_main_context_iteration(NULL, false);
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g_assert(gotcond == (G_IO_IN | G_IO_OUT));
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qio_channel_close(QIO_CHANNEL(null), &error_abort);
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g_assert(qio_channel_write(QIO_CHANNEL(null),
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"Hello World", 11,
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&local_err) == -1);
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g_assert_nonnull(local_err);
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g_clear_pointer(&local_err, error_free);
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g_assert(qio_channel_read(QIO_CHANNEL(null),
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buf, sizeof(buf),
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&local_err) == -1);
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g_assert_nonnull(local_err);
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g_clear_pointer(&local_err, error_free);
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}
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int main(int argc, char **argv)
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{
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module_call_init(MODULE_INIT_QOM);
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g_test_init(&argc, &argv, NULL);
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g_test_add_func("/io/channel/null/io", test_io_channel_null_io);
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return g_test_run();
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}
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