glib2.0/glib/tests/types.c

/* GLIB - Library of useful routines for C programming
 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GLib Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GLib at ftp://ftp.gtk.org/pub/gtk/.
 */

#include <stdio.h>

#include <glib.h>

static void
test_basic_types (void)
{
  gchar *string;
  gushort gus;
  guint gui;
  gulong gul;
  gsize gsz;
  gshort gs;
  gint gi;
  glong gl;
  gint16 gi16t1;
  gint16 gi16t2;
  gint32 gi32t1;
  gint32 gi32t2;
  guint16 gu16t1 = 0x44afU, gu16t2 = 0xaf44U;
  guint32 gu32t1 = 0x02a7f109U, gu32t2 = 0x09f1a702U;
  guint64 gu64t1 = G_GINT64_CONSTANT(0x1d636b02300a7aa7U),
          gu64t2 = G_GINT64_CONSTANT(0xa77a0a30026b631dU);
  gint64 gi64t1;
  gint64 gi64t2;
  gssize gsst1;
  gssize gsst2;
  gsize  gst1;
  gsize  gst2;

  /* type sizes */
  g_assert_cmpint (sizeof (gint8), ==, 1);
  g_assert_cmpint (sizeof (gint16), ==, 2);
  g_assert_cmpint (sizeof (gint32), ==, 4);
  g_assert_cmpint (sizeof (gint64), ==, 8);

  g_assert_cmpuint (GUINT16_SWAP_LE_BE (gu16t1), ==, gu16t2);
  g_assert_cmpuint (GUINT32_SWAP_LE_BE (gu32t1), ==, gu32t2);
  g_assert_cmpuint (GUINT64_SWAP_LE_BE (gu64t1), ==, gu64t2);

  /* Test the G_(MIN|MAX|MAXU)(SHORT|INT|LONG) macros */

  gus = G_MAXUSHORT;
  gus++;
  g_assert_cmpuint (gus, ==, 0);

  gui = G_MAXUINT;
  gui++;
  g_assert_cmpuint (gui, ==, 0);

  gul = G_MAXULONG;
  gul++;
  g_assert_cmpuint (gul, ==, 0);

  gsz = G_MAXSIZE;
  gsz++;

  g_assert_cmpuint (gsz, ==, 0);

  gs = G_MAXSHORT;
  gs = (gshort) (1 + (gushort) gs);
  g_assert_cmpint (gs, ==, G_MINSHORT);

  gi = G_MAXINT;
  gi = (gint) (1 + (guint) gi);
  g_assert_cmpint (gi, ==, G_MININT);

  gl = G_MAXLONG;
  gl = (glong) (1 + (gulong) gl);
  g_assert_cmpint (gl, ==, G_MINLONG);

  /* Test the G_G(U)?INT(16|32|64)_FORMAT macros */

  gi16t1 = -0x3AFA;
  gu16t1 = 0xFAFA;
  gi32t1 = -0x3AFAFAFA;
  gu32t1 = 0xFAFAFAFA;

#define FORMAT "%" G_GINT16_FORMAT " %" G_GINT32_FORMAT \
               " %" G_GUINT16_FORMAT " %" G_GUINT32_FORMAT "\n"
  string = g_strdup_printf (FORMAT, gi16t1, gi32t1, gu16t1, gu32t1);
  sscanf (string, FORMAT, &gi16t2, &gi32t2, &gu16t2, &gu32t2);
  g_free (string);
  g_assert_cmpint (gi16t1, ==, gi16t2);
  g_assert_cmpint (gi32t1, ==, gi32t2);
  g_assert_cmpint (gu16t1, ==, gu16t2);
  g_assert_cmpint (gu32t1, ==, gu32t2);

  gi64t1 = G_GINT64_CONSTANT (-0x3AFAFAFAFAFAFAFA);
  gu64t1 = G_GINT64_CONSTANT (0xFAFAFAFAFAFAFAFA);

#define FORMAT64 "%" G_GINT64_FORMAT " %" G_GUINT64_FORMAT "\n"
#ifndef G_OS_WIN32
#  define SCAN_FORMAT64 FORMAT64
#else
#  define sscanf sscanf_s
#  define SCAN_FORMAT64 "%I64d %I64u\n"
#endif
  string = g_strdup_printf (FORMAT64, gi64t1, gu64t1);
  sscanf (string, SCAN_FORMAT64, &gi64t2, &gu64t2);
  g_free (string);
  g_assert_cmpint (gi64t1, ==, gi64t2);
  g_assert_cmpint (gu64t1, ==, gu64t2);

  gsst1 = -0x3AFAFAFA;
  gst1 = 0xFAFAFAFA;

#define FORMATSIZE "%" G_GSSIZE_FORMAT " %" G_GSIZE_FORMAT "\n"
#ifndef G_OS_WIN32
#  define SCAN_FORMATSIZE FORMATSIZE
#else
#  define sscanf sscanf_s
#  define SCAN_FORMATSIZE "%Id %Iu\n"
#endif
  string = g_strdup_printf (FORMATSIZE, gsst1, gst1);
  sscanf (string, SCAN_FORMATSIZE, &gsst2, &gst2);
  g_free (string);
  g_assert_cmpint (gsst1, ==, gsst2);
  g_assert_cmpint (gst1, ==, gst2);
}

int
main (int argc, char *argv[])
{
  g_test_init (&argc, &argv, NULL);

  g_test_add_func ("/types/basic_types", test_basic_types);

  return g_test_run ();
}