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, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #undef G_DISABLE_ASSERT
  28 #undef G_LOG_DOMAIN
  29
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include "glib.h"
  33
  34
  35
  36 int
  37 main (int   argc,
  38       char *argv[])
  39 {
  40   gchar *string;
  41   gushort gus;
  42   guint gui;
  43   gulong gul;
  44   gsize gsz;
  45   gshort gs;
  46   gint gi;
  47   glong gl;
  48   gint16 gi16t1;
  49   gint16 gi16t2;
  50   gint32 gi32t1;
  51   gint32 gi32t2;
  52   guint16 gu16t1 = 0x44afU, gu16t2 = 0xaf44U;
  53   guint32 gu32t1 = 0x02a7f109U, gu32t2 = 0x09f1a702U;
  54   guint64 gu64t1 = G_GINT64_CONSTANT(0x1d636b02300a7aa7U),
  55           gu64t2 = G_GINT64_CONSTANT(0xa77a0a30026b631dU);
  56   gint64 gi64t1;
  57   gint64 gi64t2;
  58   gssize gsst1;
  59   gssize gsst2;
  60   gsize  gst1;
  61   gsize  gst2;
  62
  63   /* type sizes */
  64   g_assert (sizeof (gint8) == 1);
  65   g_assert (sizeof (gint16) == 2);
  66   g_assert (sizeof (gint32) == 4);
  67   g_assert (sizeof (gint64) == 8);
  68
  69   g_assert (GUINT16_SWAP_LE_BE (gu16t1) == gu16t2);
  70   g_assert (GUINT32_SWAP_LE_BE (gu32t1) == gu32t2);
  71   g_assert (GUINT64_SWAP_LE_BE (gu64t1) == gu64t2);
  72
  73   /* Test the G_(MIN|MAX|MAXU)(SHORT|INT|LONG) macros */
  74
  75   gus = G_MAXUSHORT;
  76   gus++;
  77   g_assert (gus == 0);
  78
  79   gui = G_MAXUINT;
  80   gui++;
  81   g_assert (gui == 0);
  82
  83   gul = G_MAXULONG;
  84   gul++;
  85   g_assert (gul == 0);
  86
  87   gsz = G_MAXSIZE;
  88   gsz++;
  89
  90   g_assert (gsz == 0);
  91
  92   gs = G_MAXSHORT;
  93   gs++;
  94   g_assert (gs == G_MINSHORT);
  95
  96   gi = G_MAXINT;
  97   gi++;
  98   g_assert (gi == G_MININT);
  99
 100   gl = G_MAXLONG;
 101   gl++;
 102   g_assert (gl == G_MINLONG);
 103
 104   /* Test the G_G(U)?INT(16|32|64)_FORMAT macros */
 105
 106   gi16t1 = -0x3AFA;
 107   gu16t1 = 0xFAFA;
 108   gi32t1 = -0x3AFAFAFA;
 109   gu32t1 = 0xFAFAFAFA;
 110
 111 #define FORMAT "%" G_GINT16_FORMAT " %" G_GINT32_FORMAT \
 112                " %" G_GUINT16_FORMAT " %" G_GUINT32_FORMAT "\n"
 113   string = g_strdup_printf (FORMAT, gi16t1, gi32t1, gu16t1, gu32t1);
 114   sscanf (string, FORMAT, &gi16t2, &gi32t2, &gu16t2, &gu32t2);
 115   g_free (string);
 116   g_assert (gi16t1 == gi16t2);
 117   g_assert (gi32t1 == gi32t2);
 118   g_assert (gu16t1 == gu16t2);
 119   g_assert (gu32t1 == gu32t2);
 120
 121   gi64t1 = G_GINT64_CONSTANT (-0x3AFAFAFAFAFAFAFA);
 122   gu64t1 = G_GINT64_CONSTANT (0xFAFAFAFAFAFAFAFA);
 123
 124 #define FORMAT64 "%" G_GINT64_FORMAT " %" G_GUINT64_FORMAT "\n"
 125   string = g_strdup_printf (FORMAT64, gi64t1, gu64t1);
 126   sscanf (string, FORMAT64, &gi64t2, &gu64t2);
 127   g_free (string);
 128   g_assert (gi64t1 == gi64t2);
 129   g_assert (gu64t1 == gu64t2);
 130
 131   gsst1 = -0x3AFAFAFA;
 132   gst1 = 0xFAFAFAFA;
 133
 134 #define FORMATSIZE "%" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT "\n"
 135   string = g_strdup_printf (FORMATSIZE, gsst1, gst1);
 136   sscanf (string, FORMATSIZE, &gsst2, &gst2);
 137   g_free (string);
 138   g_assert (gsst1 == gsst2);
 139   g_assert (gst1 == gst2);
 140
 141   return 0;
 142 }