xref: /openbmc/qemu/tests/unit/check-qnum.c (revision ad1a706f)
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 #include "qemu-common.h"
19 
20 /*
21  * Public Interface test-cases
22  *
23  * (with some violations to access 'private' data)
24  */
25 
26 static void qnum_from_int_test(void)
27 {
28     QNum *qn;
29     const int value = -42;
30 
31     qn = qnum_from_int(value);
32     g_assert(qn != NULL);
33     g_assert_cmpint(qn->kind, ==, QNUM_I64);
34     g_assert_cmpint(qn->u.i64, ==, value);
35     g_assert_cmpint(qn->base.refcnt, ==, 1);
36     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
37 
38     qobject_unref(qn);
39 }
40 
41 static void qnum_from_uint_test(void)
42 {
43     QNum *qn;
44     const uint64_t value = UINT64_MAX;
45 
46     qn = qnum_from_uint(value);
47     g_assert(qn != NULL);
48     g_assert_cmpint(qn->kind, ==, QNUM_U64);
49     g_assert(qn->u.u64 == value);
50     g_assert(qn->base.refcnt == 1);
51     g_assert(qobject_type(QOBJECT(qn)) == QTYPE_QNUM);
52 
53     qobject_unref(qn);
54 }
55 
56 static void qnum_from_double_test(void)
57 {
58     QNum *qn;
59     const double value = -42.23423;
60 
61     qn = qnum_from_double(value);
62     g_assert(qn != NULL);
63     g_assert_cmpint(qn->kind, ==, QNUM_DOUBLE);
64     g_assert_cmpfloat(qn->u.dbl, ==, value);
65     g_assert_cmpint(qn->base.refcnt, ==, 1);
66     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
67 
68     qobject_unref(qn);
69 }
70 
71 static void qnum_from_int64_test(void)
72 {
73     QNum *qn;
74     const int64_t value = 0x1234567890abcdefLL;
75 
76     qn = qnum_from_int(value);
77     g_assert_cmpint((int64_t) qn->u.i64, ==, value);
78 
79     qobject_unref(qn);
80 }
81 
82 static void qnum_get_int_test(void)
83 {
84     QNum *qn;
85     const int value = 123456;
86 
87     qn = qnum_from_int(value);
88     g_assert_cmpint(qnum_get_int(qn), ==, value);
89 
90     qobject_unref(qn);
91 }
92 
93 static void qnum_get_uint_test(void)
94 {
95     QNum *qn;
96     const int value = 123456;
97     uint64_t val;
98     int64_t ival;
99 
100     qn = qnum_from_uint(value);
101     g_assert(qnum_get_try_uint(qn, &val));
102     g_assert_cmpuint(val, ==, value);
103     qobject_unref(qn);
104 
105     qn = qnum_from_int(value);
106     g_assert(qnum_get_try_uint(qn, &val));
107     g_assert_cmpuint(val, ==, value);
108     qobject_unref(qn);
109 
110     /* invalid cases */
111     qn = qnum_from_int(-1);
112     g_assert(!qnum_get_try_uint(qn, &val));
113     qobject_unref(qn);
114 
115     qn = qnum_from_uint(-1ULL);
116     g_assert(!qnum_get_try_int(qn, &ival));
117     qobject_unref(qn);
118 
119     qn = qnum_from_double(0.42);
120     g_assert(!qnum_get_try_uint(qn, &val));
121     qobject_unref(qn);
122 }
123 
124 static void qobject_to_qnum_test(void)
125 {
126     QNum *qn;
127 
128     qn = qnum_from_int(0);
129     g_assert(qobject_to(QNum, QOBJECT(qn)) == qn);
130     qobject_unref(qn);
131 
132     qn = qnum_from_double(0);
133     g_assert(qobject_to(QNum, QOBJECT(qn)) == qn);
134     qobject_unref(qn);
135 }
136 
137 static void qnum_to_string_test(void)
138 {
139     QNum *qn;
140     char *tmp;
141 
142     qn = qnum_from_int(123456);
143     tmp = qnum_to_string(qn);
144     g_assert_cmpstr(tmp, ==, "123456");
145     g_free(tmp);
146     qobject_unref(qn);
147 
148     qn = qnum_from_double(0.42);
149     tmp = qnum_to_string(qn);
150     g_assert_cmpstr(tmp, ==, "0.41999999999999998");
151     g_free(tmp);
152     qobject_unref(qn);
153 
154     qn = qnum_from_double(2.718281828459045);
155     tmp = qnum_to_string(qn);
156     g_assert_cmpstr(tmp, ==, "2.7182818284590451");
157     g_free(tmp);
158     qobject_unref(qn);
159 }
160 
161 int main(int argc, char **argv)
162 {
163     g_test_init(&argc, &argv, NULL);
164 
165     g_test_add_func("/qnum/from_int", qnum_from_int_test);
166     g_test_add_func("/qnum/from_uint", qnum_from_uint_test);
167     g_test_add_func("/qnum/from_double", qnum_from_double_test);
168     g_test_add_func("/qnum/from_int64", qnum_from_int64_test);
169     g_test_add_func("/qnum/get_int", qnum_get_int_test);
170     g_test_add_func("/qnum/get_uint", qnum_get_uint_test);
171     g_test_add_func("/qnum/to_qnum", qobject_to_qnum_test);
172     g_test_add_func("/qnum/to_string", qnum_to_string_test);
173 
174     return g_test_run();
175 }
176