Imported existing code

indra/test/lltiming_tut.cpp

@@ -0,0 +1,117 @@
+/** 
+ * @file lltiming_tut.cpp
+ * @date 2006-07-23
+ * @brief Tests the timers.
+ *
+ * $LicenseInfo:firstyear=2006&license=viewergpl$
+ * 
+ * Copyright (c) 2006-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "lltut.h"
+
+#include "llframetimer.h"
+#include "llsd.h"
+
+namespace tut
+{
+	struct frametimer_test
+	{
+		frametimer_test()
+		{
+			LLFrameTimer::updateFrameTime();			
+		}
+	};
+	typedef test_group<frametimer_test> frametimer_group_t;
+	typedef frametimer_group_t::object frametimer_object_t;
+	tut::frametimer_group_t frametimer_instance("frametimer");
+
+	template<> template<>
+	void frametimer_object_t::test<1>()
+	{
+		F64 seconds_since_epoch = LLFrameTimer::getTotalSeconds();
+		LLFrameTimer timer;
+		timer.setExpiryAt(seconds_since_epoch);
+		F64 expires_at = timer.expiresAt();
+		ensure_distance(
+			"set expiry matches get expiry",
+			expires_at,
+			seconds_since_epoch,
+			0.001);
+	}
+
+	template<> template<>
+	void frametimer_object_t::test<2>()
+	{
+		F64 seconds_since_epoch = LLFrameTimer::getTotalSeconds();
+		seconds_since_epoch += 10.0;
+		LLFrameTimer timer;
+		timer.setExpiryAt(seconds_since_epoch);
+		F64 expires_at = timer.expiresAt();
+		ensure_distance(
+			"set expiry matches get expiry 1",
+			expires_at,
+			seconds_since_epoch,
+			0.001);
+		seconds_since_epoch += 10.0;
+		timer.setExpiryAt(seconds_since_epoch);
+		expires_at = timer.expiresAt();
+		ensure_distance(
+			"set expiry matches get expiry 2",
+			expires_at,
+			seconds_since_epoch,
+			0.001);
+	}
+	template<> template<>
+	void frametimer_object_t::test<3>()
+	{
+		F64 seconds_since_epoch = LLFrameTimer::getTotalSeconds();
+		seconds_since_epoch += 2.0;
+		LLFrameTimer timer;
+		timer.setExpiryAt(seconds_since_epoch);
+		ensure("timer not expired on create", !timer.hasExpired());
+		int ii;
+		for(ii = 0; ii < 10; ++ii)
+		{
+			ms_sleep(150);
+			LLFrameTimer::updateFrameTime();			
+		}
+		ensure("timer not expired after a bit", !timer.hasExpired());
+		for(ii = 0; ii < 10; ++ii)
+		{
+			ms_sleep(100);
+			LLFrameTimer::updateFrameTime();			
+		}
+		ensure("timer expired", timer.hasExpired());
+	}
+/*
+	template<> template<>
+	void frametimer_object_t::test<4>()
+	{
+	}
+*/
+}