tests/type-test.c

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GLib Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #undef G_DISABLE_ASSERT
  26 #undef G_LOG_DOMAIN
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include "glib.h"
  31
  32
  33
  34 int
  35 main (int   argc,
  36       char *argv[])
  37 {
  38   gchar *string;
  39   gushort gus;
  40   guint gui;
  41   gulong gul;
  42   gsize gsz;
  43   gshort gs;
  44   gint gi;
  45   glong gl;
  46   gint16 gi16t1;
  47   gint16 gi16t2;
  48   gint32 gi32t1;
  49   gint32 gi32t2;
  50   guint16 gu16t1 = 0x44afU, gu16t2 = 0xaf44U;
  51   guint32 gu32t1 = 0x02a7f109U, gu32t2 = 0x09f1a702U;
  52   guint64 gu64t1 = G_GINT64_CONSTANT(0x1d636b02300a7aa7U),
  53           gu64t2 = G_GINT64_CONSTANT(0xa77a0a30026b631dU);
  54   gint64 gi64t1;
  55   gint64 gi64t2;
  56   gssize gsst1;
  57   gssize gsst2;
  58   gsize  gst1;
  59   gsize  gst2;
  60
  61   /* type sizes */
  62   g_assert (sizeof (gint8) == 1);
  63   g_assert (sizeof (gint16) == 2);
  64   g_assert (sizeof (gint32) == 4);
  65   g_assert (sizeof (gint64) == 8);
  66
  67   g_assert (GUINT16_SWAP_LE_BE (gu16t1) == gu16t2);
  68   g_assert (GUINT32_SWAP_LE_BE (gu32t1) == gu32t2);
  69   g_assert (GUINT64_SWAP_LE_BE (gu64t1) == gu64t2);
  70
  71   /* Test the G_(MIN|MAX|MAXU)(SHORT|INT|LONG) macros */
  72
  73   gus = G_MAXUSHORT;
  74   gus++;
  75   g_assert (gus == 0);
  76
  77   gui = G_MAXUINT;
  78   gui++;
  79   g_assert (gui == 0);
  80
  81   gul = G_MAXULONG;
  82   gul++;
  83   g_assert (gul == 0);
  84
  85   gsz = G_MAXSIZE;
  86   gsz++;
  87
  88   g_assert (gsz == 0);
  89
  90   gs = G_MAXSHORT;
  91   gs = (gshort) (1 + (gushort) gs);
  92   g_assert (gs == G_MINSHORT);
  93
  94   gi = G_MAXINT;
  95   gi = (gint) (1 + (guint) gi);
  96   g_assert (gi == G_MININT);
  97
  98   gl = G_MAXLONG;
  99   gl = (glong) (1 + (gulong) gl);
 100   g_assert (gl == G_MINLONG);
 101
 102   /* Test the G_G(U)?INT(16|32|64)_FORMAT macros */
 103
 104   gi16t1 = -0x3AFA;
 105   gu16t1 = 0xFAFA;
 106   gi32t1 = -0x3AFAFAFA;
 107   gu32t1 = 0xFAFAFAFA;
 108
 109 #define FORMAT "%" G_GINT16_FORMAT " %" G_GINT32_FORMAT \
 110                " %" G_GUINT16_FORMAT " %" G_GUINT32_FORMAT "\n"
 111   string = g_strdup_printf (FORMAT, gi16t1, gi32t1, gu16t1, gu32t1);
 112   sscanf (string, FORMAT, &gi16t2, &gi32t2, &gu16t2, &gu32t2);
 113   g_free (string);
 114   g_assert (gi16t1 == gi16t2);
 115   g_assert (gi32t1 == gi32t2);
 116   g_assert (gu16t1 == gu16t2);
 117   g_assert (gu32t1 == gu32t2);
 118
 119   gi64t1 = G_GINT64_CONSTANT (-0x3AFAFAFAFAFAFAFA);
 120   gu64t1 = G_GINT64_CONSTANT (0xFAFAFAFAFAFAFAFA);
 121
 122 #define FORMAT64 "%" G_GINT64_FORMAT " %" G_GUINT64_FORMAT "\n"
 123   string = g_strdup_printf (FORMAT64, gi64t1, gu64t1);
 124   sscanf (string, FORMAT64, &gi64t2, &gu64t2);
 125   g_free (string);
 126   g_assert (gi64t1 == gi64t2);
 127   g_assert (gu64t1 == gu64t2);
 128
 129   gsst1 = -0x3AFAFAFA;
 130   gst1 = 0xFAFAFAFA;
 131
 132 #define FORMATSIZE "%" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT "\n"
 133   string = g_strdup_printf (FORMATSIZE, gsst1, gst1);
 134   sscanf (string, FORMATSIZE, &gsst2, &gst2);
 135   g_free (string);
 136   g_assert (gsst1 == gsst2);
 137   g_assert (gst1 == gst2);
 138
 139   return 0;
 140 }