@samitouri / QOSamiQemu
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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 "qobject/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 }