1 files changed, 59 insertions, 0 deletions
diff --git a/engines/sci/sfx/timetest.cpp b/engines/sci/sfx/timetest.cpp
new file mode 100644
index 0000000000..80d9ad1b78
--- /dev/null
+++ b/engines/sci/sfx/timetest.cpp
@@ -0,0 +1,59 @@
+/***************************************************************************
+ timetest.c  Copyright (C) 2003 Christoph Reichenbach
+
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public Licence as
+ published by the Free Software Foundaton; either version 2 of the
+ Licence, or (at your option) any later version.
+
+ It is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ merchantibility or fitness for a particular purpose. See the
+ GNU General Public Licence for more details.
+
+ You should have received a copy of the GNU General Public Licence
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+
+ Please contact the maintainer for any program-related bug reports or
+ inquiries.
+
+ Current Maintainer:
+
+    Christoph Reichenbach (CR) <jameson@linuxgames.com>
+
+***************************************************************************/
+
+#include <stdio.h>
+#include <sfx_time.h>
+#include <assert.h>
+
+sfx_timestamp_t a,b,c;
+
+int
+main(int argc, char **argv)
+{
+	int i;
+	a = sfx_new_timestamp(10, 0, 1000);
+	b = sfx_new_timestamp(10, 1000, 1000);
+	c = sfx_new_timestamp(10, 2000, 1000);
+
+	assert(sfx_timestamp_sample_diff(a, b) == -1);
+	assert(sfx_timestamp_sample_diff(b, a) == 1);
+	assert(sfx_timestamp_sample_diff(c, a) == 2);
+	assert(sfx_timestamp_sample_diff(sfx_timestamp_add(b, 2000), a) == 2001);
+	assert(sfx_timestamp_sample_diff(sfx_timestamp_add(b, 2000), sfx_timestamp_add(a, -1000)) == 3001);
+
+	for (i = -10000; i < 10000; i++) {
+		int v = sfx_timestamp_sample_diff(sfx_timestamp_add(c, i), c);
+		if (v != i) {
+			fprintf(stderr, "After adding %d samples: Got diff of %d\n", i, v);
+			return 1;
+		}
+	}
+
+	return 0;
+}