xref: /openbmc/qemu/tests/unit/check-qnum.c (revision bad5cfcd)
1 /*
2  * QNum unit-tests.
3  *
4  * Copyright (C) 2009 Red Hat Inc.
5  * Copyright IBM, Corp. 2009
6  *
7  * Authors:
8  *  Luiz Capitulino <lcapitulino@redhat.com>
9  *  Anthony Liguori <aliguori@us.ibm.com>
10  *
11  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
12  * See the COPYING.LIB file in the top-level directory.
13  */
14 
15 #include "qemu/osdep.h"
16 
17 #include "qapi/qmp/qnum.h"
18 
19 /*
20  * Public Interface test-cases
21  *
22  * (with some violations to access 'private' data)
23  */
24 
25 static void qnum_from_int_test(void)
26 {
27     QNum *qn;
28     const int value = -42;
29 
30     qn = qnum_from_int(value);
31     g_assert(qn != NULL);
32     g_assert_cmpint(qn->kind, ==, QNUM_I64);
33     g_assert_cmpint(qn->u.i64, ==, value);
34     g_assert_cmpint(qn->base.refcnt, ==, 1);
35     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
36 
37     qobject_unref(qn);
38 }
39 
40 static void qnum_from_uint_test(void)
41 {
42     QNum *qn;
43     const uint64_t value = UINT64_MAX;
44 
45     qn = qnum_from_uint(value);
46     g_assert(qn != NULL);
47     g_assert_cmpint(qn->kind, ==, QNUM_U64);
48     g_assert(qn->u.u64 == value);
49     g_assert(qn->base.refcnt == 1);
50     g_assert(qobject_type(QOBJECT(qn)) == QTYPE_QNUM);
51 
52     qobject_unref(qn);
53 }
54 
55 static void qnum_from_double_test(void)
56 {
57     QNum *qn;
58     const double value = -42.23423;
59 
60     qn = qnum_from_double(value);
61     g_assert(qn != NULL);
62     g_assert_cmpint(qn->kind, ==, QNUM_DOUBLE);
63     g_assert_cmpfloat(qn->u.dbl, ==, value);
64     g_assert_cmpint(qn->base.refcnt, ==, 1);
65     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
66 
67     qobject_unref(qn);
68 }
69 
70 static void qnum_from_int64_test(void)
71 {
72     QNum *qn;
73     const int64_t value = 0x1234567890abcdefLL;
74 
75     qn = qnum_from_int(value);
76     g_assert_cmpint((int64_t) qn->u.i64, ==, value);
77 
78     qobject_unref(qn);
79 }
80 
81 static void qnum_get_int_test(void)
82 {
83     QNum *qn;
84     const int value = 123456;
85 
86     qn = qnum_from_int(value);
87     g_assert_cmpint(qnum_get_int(qn), ==, value);
88 
89     qobject_unref(qn);
90 }
91 
92 static void qnum_get_uint_test(void)
93 {
94     QNum *qn;
95     const int value = 123456;
96     uint64_t val;
97     int64_t ival;
98 
99     qn = qnum_from_uint(value);
100     g_assert(qnum_get_try_uint(qn, &val));
101     g_assert_cmpuint(val, ==, value);
102     qobject_unref(qn);
103 
104     qn = qnum_from_int(value);
105     g_assert(qnum_get_try_uint(qn, &val));
106     g_assert_cmpuint(val, ==, value);
107     qobject_unref(qn);
108 
109     /* invalid cases */
110     qn = qnum_from_int(-1);
111     g_assert(!qnum_get_try_uint(qn, &val));
112     qobject_unref(qn);
113 
114     qn = qnum_from_uint(-1ULL);
115     g_assert(!qnum_get_try_int(qn, &ival));
116     qobject_unref(qn);
117 
118     qn = qnum_from_double(0.42);
119     g_assert(!qnum_get_try_uint(qn, &val));
120     qobject_unref(qn);
121 }
122 
123 static void qobject_to_qnum_test(void)
124 {
125     QNum *qn;
126 
127     qn = qnum_from_int(0);
128     g_assert(qobject_to(QNum, QOBJECT(qn)) == qn);
129     qobject_unref(qn);
130 
131     qn = qnum_from_double(0);
132     g_assert(qobject_to(QNum, QOBJECT(qn)) == qn);
133     qobject_unref(qn);
134 }
135 
136 static void qnum_to_string_test(void)
137 {
138     QNum *qn;
139     char *tmp;
140 
141     qn = qnum_from_int(123456);
142     tmp = qnum_to_string(qn);
143     g_assert_cmpstr(tmp, ==, "123456");
144     g_free(tmp);
145     qobject_unref(qn);
146 
147     qn = qnum_from_double(0.42);
148     tmp = qnum_to_string(qn);
149     g_assert_cmpstr(tmp, ==, "0.41999999999999998");
150     g_free(tmp);
151     qobject_unref(qn);
152 
153     qn = qnum_from_double(2.718281828459045);
154     tmp = qnum_to_string(qn);
155     g_assert_cmpstr(tmp, ==, "2.7182818284590451");
156     g_free(tmp);
157     qobject_unref(qn);
158 }
159 
160 int main(int argc, char **argv)
161 {
162     g_test_init(&argc, &argv, NULL);
163 
164     g_test_add_func("/qnum/from_int", qnum_from_int_test);
165     g_test_add_func("/qnum/from_uint", qnum_from_uint_test);
166     g_test_add_func("/qnum/from_double", qnum_from_double_test);
167     g_test_add_func("/qnum/from_int64", qnum_from_int64_test);
168     g_test_add_func("/qnum/get_int", qnum_get_int_test);
169     g_test_add_func("/qnum/get_uint", qnum_get_uint_test);
170     g_test_add_func("/qnum/to_qnum", qobject_to_qnum_test);
171     g_test_add_func("/qnum/to_string", qnum_to_string_test);
172 
173     return g_test_run();
174 }
175