Imported existing code

indra/test/llrandom_tut.cpp

@@ -0,0 +1,134 @@
+/** 
+ * @file llrandom_tut.cpp
+ * @author Phoenix
+ * @date 2007-01-25
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007-2009, 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 <tut/tut.hpp>
+
+#include "linden_common.h"
+#include "llrand.h"
+#include "lltut.h"
+
+
+namespace tut
+{
+	struct random
+	{
+	};
+
+	typedef test_group<random> random_t;
+	typedef random_t::object random_object_t;
+	tut::random_t tut_random("random");
+
+	template<> template<>
+	void random_object_t::test<1>()
+	{
+		F32 number = 0.0f;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_frand();
+			ensure("frand >= 0", (number >= 0.0f));
+			ensure("frand < 1", (number < 1.0f));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<2>()
+	{
+		F64 number = 0.0f;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_drand();
+			ensure("drand >= 0", (number >= 0.0));
+			ensure("drand < 1", (number < 1.0));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<3>()
+	{
+		F32 number = 0.0f;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_frand(2.0f) - 1.0f;
+			ensure("frand >= 0", (number >= -1.0f));
+			ensure("frand < 1", (number <= 1.0f));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<4>()
+	{
+		F32 number = 0.0f;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_frand(-7.0);
+			ensure("drand <= 0", (number <= 0.0));
+			ensure("drand > -7", (number > -7.0));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<5>()
+	{
+		F64 number = 0.0f;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_drand(-2.0);
+			ensure("drand <= 0", (number <= 0.0));
+			ensure("drand > -2", (number > -2.0));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<6>()
+	{
+		S32 number = 0;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_rand(100);
+			ensure("rand >= 0", (number >= 0));
+			ensure("rand < 100", (number < 100));
+		}
+	}
+
+	template<> template<>
+	void random_object_t::test<7>()
+	{
+		S32 number = 0;
+		for(S32 ii = 0; ii < 100000; ++ii)
+		{
+			number = ll_rand(-127);
+			ensure("rand <= 0", (number <= 0));
+			ensure("rand > -127", (number > -127));
+		}
+	}
+}