tests/unit/check-qnum.c

   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 }