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diff --git a/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_TypesTestLSLInteger.cs b/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_TypesTestLSLInteger.cs
new file mode 100644
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+++ b/OpenSim/Region/ScriptEngine/Shared/Tests/LSL_TypesTestLSLInteger.cs
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Collections.Generic;
+using NUnit.Framework;
+using OpenSim.Tests.Common;
+using OpenSim.Region.ScriptEngine.Shared;
+
+namespace OpenSim.Region.ScriptEngine.Shared.Tests
+{
+    [TestFixture]
+    public class LSL_TypesTestLSLInteger
+    {
+        private Dictionary<double, int> m_doubleIntSet;
+        private Dictionary<string, int> m_stringIntSet;
+
+        /// <summary>
+        /// Sets up dictionaries and arrays used in the tests.
+        /// </summary>
+        [TestFixtureSetUp]
+        public void SetUpDataSets()
+        {
+            m_doubleIntSet = new Dictionary<double, int>();
+            m_doubleIntSet.Add(2.0, 2);
+            m_doubleIntSet.Add(-2.0, -2);
+            m_doubleIntSet.Add(0.0, 0);
+            m_doubleIntSet.Add(1.0, 1);
+            m_doubleIntSet.Add(-1.0, -1);
+            m_doubleIntSet.Add(999999999.0, 999999999);
+            m_doubleIntSet.Add(-99999999.0, -99999999);
+
+            m_stringIntSet = new Dictionary<string, int>();
+            m_stringIntSet.Add("2", 2);
+            m_stringIntSet.Add("-2", -2);
+            m_stringIntSet.Add("0", 0);
+            m_stringIntSet.Add("1", 1);
+            m_stringIntSet.Add("-1", -1);
+            m_stringIntSet.Add("123.9", 123);
+            m_stringIntSet.Add("999999999", 999999999);
+            m_stringIntSet.Add("-99999999", -99999999);
+        }
+
+        /// <summary>
+        /// Tests LSLFloat is correctly cast explicitly to LSLInteger.
+        /// </summary>
+        [Test]
+        public void TestExplicitCastLSLFloatToLSLInteger()
+        {
+            LSL_Types.LSLInteger testInteger;
+
+            foreach (KeyValuePair<double, int> number in m_doubleIntSet)
+            {
+                testInteger = (LSL_Types.LSLInteger) new LSL_Types.LSLFloat(number.Key);
+                Assert.AreEqual(testInteger.value, number.Value);
+            }
+        }
+
+        /// <summary>
+        /// Tests string is correctly cast explicitly to LSLInteger.
+        /// </summary>
+        [Test]
+        public void TestExplicitCastStringToLSLInteger()
+        {
+            LSL_Types.LSLInteger testInteger;
+
+            foreach (KeyValuePair<string, int> number in m_stringIntSet)
+            {
+                testInteger = (LSL_Types.LSLInteger) number.Key;
+                Assert.AreEqual(testInteger.value, number.Value);
+            }
+        }
+
+        /// <summary>
+        /// Tests LSLString is correctly cast explicitly to LSLInteger.
+        /// </summary>
+        [Test]
+        public void TestExplicitCastLSLStringToLSLInteger()
+        {
+            LSL_Types.LSLInteger testInteger;
+
+            foreach (KeyValuePair<string, int> number in m_stringIntSet)
+            {
+                testInteger = (LSL_Types.LSLInteger) new LSL_Types.LSLString(number.Key);
+                Assert.AreEqual(testInteger.value, number.Value);
+            }
+        }
+
+        /// <summary>
+        /// Tests boolean correctly cast implicitly to LSLInteger.
+        /// </summary>
+        [Test]
+        public void TestImplicitCastBooleanToLSLInteger()
+        {
+            LSL_Types.LSLInteger testInteger;
+
+            testInteger = (1 == 0);
+            Assert.AreEqual(0, testInteger.value);
+
+            testInteger = (1 == 1);
+            Assert.AreEqual(1, testInteger.value);
+
+            testInteger = false;
+            Assert.AreEqual(0, testInteger.value);
+
+            testInteger = true;
+            Assert.AreEqual(1, testInteger.value);
+        }
+    }
+}