(root)/
glib-2.79.0/
glib/
tests/
types.c
       1  /* GLIB - Library of useful routines for C programming
       2   * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
       3   *
       4   * SPDX-License-Identifier: LGPL-2.1-or-later
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General Public
      17   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
      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  #include <stdio.h>
      28  
      29  #include <glib.h>
      30  
      31  static void
      32  test_basic_types (void)
      33  {
      34    gchar *string;
      35    gushort gus;
      36    guint gui;
      37    gulong gul;
      38    gsize gsz;
      39    gshort gs;
      40    gint gi;
      41    glong gl;
      42    gint16 gi16t1;
      43    gint16 gi16t2;
      44    gint32 gi32t1;
      45    gint32 gi32t2;
      46    guint16 gu16t1 = 0x44afU, gu16t2 = 0xaf44U;
      47    guint32 gu32t1 = 0x02a7f109U, gu32t2 = 0x09f1a702U;
      48    guint64 gu64t1 = G_GINT64_CONSTANT(0x1d636b02300a7aa7U),
      49            gu64t2 = G_GINT64_CONSTANT(0xa77a0a30026b631dU);
      50    gint64 gi64t1;
      51    gint64 gi64t2;
      52    gssize gsst1;
      53    gssize gsst2;
      54    gsize  gst1;
      55    gsize  gst2;
      56  
      57    /* type sizes */
      58    g_assert_cmpint (sizeof (gint8), ==, 1);
      59    g_assert_cmpint (sizeof (gint16), ==, 2);
      60    g_assert_cmpint (sizeof (gint32), ==, 4);
      61    g_assert_cmpint (sizeof (gint64), ==, 8);
      62  
      63    g_assert_cmpuint (GUINT16_SWAP_LE_BE (gu16t1), ==, gu16t2);
      64    g_assert_cmpuint (GUINT32_SWAP_LE_BE (gu32t1), ==, gu32t2);
      65    g_assert_cmpuint (GUINT64_SWAP_LE_BE (gu64t1), ==, gu64t2);
      66  
      67    /* Test the G_(MIN|MAX|MAXU)(SHORT|INT|LONG) macros */
      68  
      69    gus = G_MAXUSHORT;
      70    gus++;
      71    g_assert_cmpuint (gus, ==, 0);
      72  
      73    gui = G_MAXUINT;
      74    gui++;
      75    g_assert_cmpuint (gui, ==, 0);
      76  
      77    gul = G_MAXULONG;
      78    gul++;
      79    g_assert_cmpuint (gul, ==, 0);
      80  
      81    gsz = G_MAXSIZE;
      82    gsz++;
      83  
      84    g_assert_cmpuint (gsz, ==, 0);
      85  
      86    gs = G_MAXSHORT;
      87    gs = (gshort) (1 + (gushort) gs);
      88    g_assert_cmpint (gs, ==, G_MINSHORT);
      89  
      90    gi = G_MAXINT;
      91    gi = (gint) (1 + (guint) gi);
      92    g_assert_cmpint (gi, ==, G_MININT);
      93  
      94    gl = G_MAXLONG;
      95    gl = (glong) (1 + (gulong) gl);
      96    g_assert_cmpint (gl, ==, G_MINLONG);
      97  
      98    /* Test the G_G(U)?INT(16|32|64)_FORMAT macros */
      99  
     100    gi16t1 = -0x3AFA;
     101    gu16t1 = 0xFAFA;
     102    gi32t1 = -0x3AFAFAFA;
     103    gu32t1 = 0xFAFAFAFA;
     104  
     105  #define FORMAT "%" G_GINT16_FORMAT " %" G_GINT32_FORMAT \
     106                 " %" G_GUINT16_FORMAT " %" G_GUINT32_FORMAT "\n"
     107    string = g_strdup_printf (FORMAT, gi16t1, gi32t1, gu16t1, gu32t1);
     108    sscanf (string, FORMAT, &gi16t2, &gi32t2, &gu16t2, &gu32t2);
     109    g_free (string);
     110    g_assert_cmpint (gi16t1, ==, gi16t2);
     111    g_assert_cmpint (gi32t1, ==, gi32t2);
     112    g_assert_cmpint (gu16t1, ==, gu16t2);
     113    g_assert_cmpint (gu32t1, ==, gu32t2);
     114  
     115    gi64t1 = G_GINT64_CONSTANT (-0x3AFAFAFAFAFAFAFA);
     116    gu64t1 = G_GINT64_CONSTANT (0xFAFAFAFAFAFAFAFA);
     117  
     118  #define FORMAT64 "%" G_GINT64_FORMAT " %" G_GUINT64_FORMAT "\n"
     119  #ifndef G_OS_WIN32
     120  #  define SCAN_FORMAT64 FORMAT64
     121  #else
     122  #  define sscanf sscanf_s
     123  #  define SCAN_FORMAT64 "%I64d %I64u\n"
     124  #endif
     125    string = g_strdup_printf (FORMAT64, gi64t1, gu64t1);
     126    sscanf (string, SCAN_FORMAT64, &gi64t2, &gu64t2);
     127    g_free (string);
     128    g_assert_cmpint (gi64t1, ==, gi64t2);
     129    g_assert_cmpint (gu64t1, ==, gu64t2);
     130  
     131    gsst1 = -0x3AFAFAFA;
     132    gst1 = 0xFAFAFAFA;
     133  
     134  #define FORMATSIZE "%" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT "\n"
     135  #ifndef G_OS_WIN32
     136  #  define SCAN_FORMATSIZE FORMATSIZE
     137  #else
     138  #  define sscanf sscanf_s
     139  #  define SCAN_FORMATSIZE "%Id %Iu\n"
     140  #endif
     141    string = g_strdup_printf (FORMATSIZE, gsst1, gst1);
     142    sscanf (string, SCAN_FORMATSIZE, &gsst2, &gst2);
     143    g_free (string);
     144    g_assert_cmpint (gsst1, ==, gsst2);
     145    g_assert_cmpint (gst1, ==, gst2);
     146  }
     147  
     148  int
     149  main (int argc, char *argv[])
     150  {
     151    g_test_init (&argc, &argv, NULL);
     152  
     153    g_test_add_func ("/types/basic_types", test_basic_types);
     154  
     155    return g_test_run ();
     156  }