1 files changed, 127 insertions, 0 deletions
diff --git a/indra/llcommon/tests/llrand_test.cpp b/indra/llcommon/tests/llrand_test.cpp
new file mode 100644
index 0000000000..383e6f9e0a
--- /dev/null
+++ b/indra/llcommon/tests/llrand_test.cpp
@@ -0,0 +1,127 @@
+/** 
+ * @file llrandom_test.cpp
+ * @author Phoenix
+ * @date 2007-01-25
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * 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;
+ * version 2.1 of the License only.
+ * 
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "../test/lltut.h"
+
+#include "../llrand.h"
+
+
+namespace tut
+{
+	struct random
+	{
+	};
+
+	typedef test_group<random> random_t;
+	typedef random_t::object random_object_t;
+	tut::random_t tut_random("LLSeedRand");
+
+	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));
+		}
+	}
+}