qemu

FORK: QEMU emulator
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check-qnum.c (4088B)

      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 }