2 * QAPI Forwarding Visitor unit-tests.
4 * Copyright (C) 2021 Red Hat Inc.
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
10 #include "qemu/osdep.h"
12 #include "qapi/forward-visitor.h"
13 #include "qapi/qobject-input-visitor.h"
14 #include "qapi/error.h"
15 #include "qapi/qmp/qobject.h"
16 #include "qapi/qmp/qdict.h"
17 #include "test-qapi-visit.h"
18 #include "qemu/keyval.h"
20 typedef bool GenericVisitor (Visitor *, const char *, void **, Error **);
21 #define CAST_VISIT_TYPE(fn) ((GenericVisitor *)(fn))
24 * Parse @srcstr and wrap it with a ForwardFieldVisitor converting "src" to
25 * "dst". Check that visiting the result with "src" name fails, and return
26 * the result of visiting "dst".
28 static void *visit_with_forward(const char *srcstr, GenericVisitor *fn)
31 QDict *src = keyval_parse(srcstr, NULL, &help, &error_abort);
36 v = qobject_input_visitor_new_keyval(QOBJECT(src));
37 visit_start_struct(v, NULL, NULL, 0, &error_abort);
39 alias_v = visitor_forward_field(v, "dst", "src");
40 fn(alias_v, "src", &result, &err);
41 error_free_or_abort(&err);
43 fn(alias_v, "dst", &result, &err);
47 visit_end_struct(v, NULL);
49 qobject_unref(QOBJECT(src));
53 static void test_forward_any(void)
55 QObject *src = visit_with_forward("src.integer=42,src.string=Hello,src.enum1=value2",
56 CAST_VISIT_TYPE(visit_type_any));
57 Visitor *v = qobject_input_visitor_new_keyval(src);
61 visit_type_UserDefOne(v, NULL, &dst, &err);
65 g_assert_cmpint(dst->integer, ==, 42);
66 g_assert_cmpstr(dst->string, ==, "Hello");
67 g_assert_cmpint(dst->has_enum1, ==, true);
68 g_assert_cmpint(dst->enum1, ==, ENUM_ONE_VALUE2);
69 qapi_free_UserDefOne(dst);
70 qobject_unref(QOBJECT(src));
73 static void test_forward_size(void)
76 * visit_type_size does not return a pointer, so visit_with_forward
80 QDict *src = keyval_parse("src=1.5M", NULL, &help, &error_abort);
85 v = qobject_input_visitor_new_keyval(QOBJECT(src));
86 visit_start_struct(v, NULL, NULL, 0, &error_abort);
88 alias_v = visitor_forward_field(v, "dst", "src");
89 visit_type_size(alias_v, "src", &result, &err);
90 error_free_or_abort(&err);
91 visit_type_size(alias_v, "dst", &result, &err);
92 assert(result == 3 << 19);
96 visit_end_struct(v, NULL);
98 qobject_unref(QOBJECT(src));
101 static void test_forward_number(void)
104 * visit_type_number does not return a pointer, so visit_with_forward
108 QDict *src = keyval_parse("src=1.5", NULL, &help, &error_abort);
109 Visitor *v, *alias_v;
113 v = qobject_input_visitor_new_keyval(QOBJECT(src));
114 visit_start_struct(v, NULL, NULL, 0, &error_abort);
116 alias_v = visitor_forward_field(v, "dst", "src");
117 visit_type_number(alias_v, "src", &result, &err);
118 error_free_or_abort(&err);
119 visit_type_number(alias_v, "dst", &result, &err);
120 assert(result == 1.5);
124 visit_end_struct(v, NULL);
126 qobject_unref(QOBJECT(src));
129 static void test_forward_string(void)
131 char *dst = visit_with_forward("src=Hello",
132 CAST_VISIT_TYPE(visit_type_str));
134 g_assert_cmpstr(dst, ==, "Hello");
138 static void test_forward_struct(void)
140 UserDefOne *dst = visit_with_forward("src.integer=42,src.string=Hello",
141 CAST_VISIT_TYPE(visit_type_UserDefOne));
143 g_assert_cmpint(dst->integer, ==, 42);
144 g_assert_cmpstr(dst->string, ==, "Hello");
145 g_assert_cmpint(dst->has_enum1, ==, false);
146 qapi_free_UserDefOne(dst);
149 static void test_forward_alternate(void)
151 AltStrObj *s_dst = visit_with_forward("src=hello",
152 CAST_VISIT_TYPE(visit_type_AltStrObj));
153 AltStrObj *o_dst = visit_with_forward("src.integer=42,src.boolean=true,src.string=world",
154 CAST_VISIT_TYPE(visit_type_AltStrObj));
156 g_assert_cmpint(s_dst->type, ==, QTYPE_QSTRING);
157 g_assert_cmpstr(s_dst->u.s, ==, "hello");
158 g_assert_cmpint(o_dst->type, ==, QTYPE_QDICT);
159 g_assert_cmpint(o_dst->u.o.integer, ==, 42);
160 g_assert_cmpint(o_dst->u.o.boolean, ==, true);
161 g_assert_cmpstr(o_dst->u.o.string, ==, "world");
163 qapi_free_AltStrObj(s_dst);
164 qapi_free_AltStrObj(o_dst);
167 static void test_forward_list(void)
169 uint8List *dst = visit_with_forward("src.0=1,src.1=2,src.2=3,src.3=4",
170 CAST_VISIT_TYPE(visit_type_uint8List));
174 for (tmp = dst, i = 1; i <= 4; i++) {
176 g_assert_cmpint(tmp->value, ==, i);
180 qapi_free_uint8List(dst);
183 int main(int argc, char **argv)
185 g_test_init(&argc, &argv, NULL);
187 g_test_add_func("/visitor/forward/struct", test_forward_struct);
188 g_test_add_func("/visitor/forward/alternate", test_forward_alternate);
189 g_test_add_func("/visitor/forward/string", test_forward_string);
190 g_test_add_func("/visitor/forward/size", test_forward_size);
191 g_test_add_func("/visitor/forward/number", test_forward_number);
192 g_test_add_func("/visitor/forward/any", test_forward_any);
193 g_test_add_func("/visitor/forward/list", test_forward_list);