target/mips: Simplify decode_opc_mxu() ifdef'ry
[qemu/ar7.git] / tests / check-qnull.c
blobebf21db83ccc7c205a944e4f09cbe57dfca755f5
1 /*
2  * QNull unit-tests.
3  *
4  * Copyright (C) 2016 Red Hat Inc.
5  *
6  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
7  * See the COPYING.LIB file in the top-level directory.
8  */
9 #include "qemu/osdep.h"
11 #include "qapi/qmp/qnull.h"
12 #include "qemu-common.h"
13 #include "qapi/qobject-input-visitor.h"
14 #include "qapi/qobject-output-visitor.h"
15 #include "qapi/error.h"
18  * Public Interface test-cases
19  *
20  * (with some violations to access 'private' data)
21  */
23 static void qnull_ref_test(void)
25     QObject *obj;
27     g_assert(qnull_.base.refcnt == 1);
28     obj = QOBJECT(qnull());
29     g_assert(obj);
30     g_assert(obj == QOBJECT(&qnull_));
31     g_assert(qnull_.base.refcnt == 2);
32     g_assert(qobject_type(obj) == QTYPE_QNULL);
33     qobject_unref(obj);
34     g_assert(qnull_.base.refcnt == 1);
37 static void qnull_visit_test(void)
39     QObject *obj;
40     Visitor *v;
41     QNull *null;
43     /*
44      * Most tests of interactions between QObject and visitors are in
45      * test-qmp-*-visitor; but these tests live here because they
46      * depend on layering violations to check qnull_ refcnt.
47      */
49     g_assert(qnull_.base.refcnt == 1);
50     obj = QOBJECT(qnull());
51     v = qobject_input_visitor_new(obj);
52     qobject_unref(obj);
53     visit_type_null(v, NULL, &null, &error_abort);
54     g_assert(obj == QOBJECT(&qnull_));
55     qobject_unref(null);
56     visit_free(v);
58     null = NULL;
59     v = qobject_output_visitor_new(&obj);
60     visit_type_null(v, NULL, &null, &error_abort);
61     visit_complete(v, &obj);
62     g_assert(obj == QOBJECT(&qnull_));
63     qobject_unref(null);
64     qobject_unref(obj);
65     visit_free(v);
67     g_assert(qnull_.base.refcnt == 1);
70 int main(int argc, char **argv)
72     g_test_init(&argc, &argv, NULL);
74     g_test_add_func("/public/qnull_ref", qnull_ref_test);
75     g_test_add_func("/public/qnull_visit", qnull_visit_test);
77     return g_test_run();