From a61e1ea7dcf174c640d868ec2ebf57a9d25e90ef Mon Sep 17 00:00:00 2001
From: Mike Mazur
Date: Mon, 28 Jul 2008 02:36:22 +0000
Subject: Adding explicit cast from LSLFloat to LSLInteger. Work on issue 1822.

---
 OpenSim/Region/ScriptEngine/Common/LSL_Types.cs    |  5 ++
 .../ScriptEngine/Common/LSL_TypesTestLSLInteger.cs | 71 ++++++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLInteger.cs

diff --git a/OpenSim/Region/ScriptEngine/Common/LSL_Types.cs b/OpenSim/Region/ScriptEngine/Common/LSL_Types.cs
index bb1fe2f..d0871bc 100644
--- a/OpenSim/Region/ScriptEngine/Common/LSL_Types.cs
+++ b/OpenSim/Region/ScriptEngine/Common/LSL_Types.cs
@@ -1291,6 +1291,11 @@ namespace OpenSim.Region.ScriptEngine.Common
                 return new LSLInteger(d);
             }
 
+            static public explicit operator LSLInteger(LSLFloat f)
+            {
+                return new LSLInteger(f.value);
+            }
+
             static public bool operator ==(LSLInteger i1, LSLInteger i2)
             {
                 bool ret = i1.value == i2.value;
diff --git a/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLInteger.cs b/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLInteger.cs
new file mode 100644
index 0000000..08f80d3
--- /dev/null
+++ b/OpenSim/Tests/OpenSim/Region/ScriptEngine/Common/LSL_TypesTestLSLInteger.cs
@@ -0,0 +1,71 @@
+/*
+ * 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.Common;
+
+namespace OpenSim.Region.ScriptEngine.Common.Tests
+{
+    [TestFixture]
+    public class LSL_TypesTestLSLInteger
+    {
+        private Dictionary<double, int> m_doubleIntSet;
+
+        /// <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);
+        }
+
+        /// <summary>
+        /// Tests LSLInteger is correctly cast explicitly to LSLFloat.
+        /// </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);
+            }
+        }
+    }
+}
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