tests/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 "qapi/error.h"
  19 #include "qemu-common.h"
  20
  21 /*
  22  * Public Interface test-cases
  23  *
  24  * (with some violations to access 'private' data)
  25  */
  26
  27 static void qnum_from_int_test(void)
  28 {
  29     QNum *qn;
  30     const int value = -42;
  31
  32     qn = qnum_from_int(value);
  33     g_assert(qn != NULL);
  34     g_assert_cmpint(qn->kind, ==, QNUM_I64);
  35     g_assert_cmpint(qn->u.i64, ==, value);
  36     g_assert_cmpint(qn->base.refcnt, ==, 1);
  37     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
  38
  39     QDECREF(qn);
  40 }
  41
  42 static void qnum_from_double_test(void)
  43 {
  44     QNum *qn;
  45     const double value = -42.23423;
  46
  47     qn = qnum_from_double(value);
  48     g_assert(qn != NULL);
  49     g_assert_cmpint(qn->kind, ==, QNUM_DOUBLE);
  50     g_assert_cmpfloat(qn->u.dbl, ==, value);
  51     g_assert_cmpint(qn->base.refcnt, ==, 1);
  52     g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
  53
  54     QDECREF(qn);
  55 }
  56
  57 static void qnum_from_int64_test(void)
  58 {
  59     QNum *qn;
  60     const int64_t value = 0x1234567890abcdefLL;
  61
  62     qn = qnum_from_int(value);
  63     g_assert_cmpint((int64_t) qn->u.i64, ==, value);
  64
  65     QDECREF(qn);
  66 }
  67
  68 static void qnum_get_int_test(void)
  69 {
  70     QNum *qn;
  71     const int value = 123456;
  72
  73     qn = qnum_from_int(value);
  74     g_assert_cmpint(qnum_get_int(qn), ==, value);
  75
  76     QDECREF(qn);
  77 }
  78
  79 static void qobject_to_qnum_test(void)
  80 {
  81     QNum *qn;
  82
  83     qn = qnum_from_int(0);
  84     g_assert(qobject_to_qnum(QOBJECT(qn)) == qn);
  85     QDECREF(qn);
  86
  87     qn = qnum_from_double(0);
  88     g_assert(qobject_to_qnum(QOBJECT(qn)) == qn);
  89     QDECREF(qn);
  90 }
  91
  92 static void qnum_to_string_test(void)
  93 {
  94     QNum *qn;
  95     char *tmp;
  96
  97     qn = qnum_from_int(123456);
  98     tmp = qnum_to_string(qn);
  99     g_assert_cmpstr(tmp, ==, "123456");
 100     g_free(tmp);
 101     QDECREF(qn);
 102
 103     qn = qnum_from_double(0.42);
 104     tmp = qnum_to_string(qn);
 105     g_assert_cmpstr(tmp, ==, "0.42");
 106     g_free(tmp);
 107     QDECREF(qn);
 108 }
 109
 110 int main(int argc, char **argv)
 111 {
 112     g_test_init(&argc, &argv, NULL);
 113
 114     g_test_add_func("/qnum/from_int", qnum_from_int_test);
 115     g_test_add_func("/qnum/from_double", qnum_from_double_test);
 116     g_test_add_func("/qnum/from_int64", qnum_from_int64_test);
 117     g_test_add_func("/qnum/get_int", qnum_get_int_test);
 118     g_test_add_func("/qnum/to_qnum", qobject_to_qnum_test);
 119     g_test_add_func("/qnum/to_string", qnum_to_string_test);
 120
 121     return g_test_run();
 122 }