1 files changed, 103 insertions, 0 deletions
diff --git a/tests/src/CoreMangLib/cti/system/math/mathmax8.cs b/tests/src/CoreMangLib/cti/system/math/mathmax8.cs
new file mode 100644
index 0000000000..24a33cb3bd
--- /dev/null
+++ b/tests/src/CoreMangLib/cti/system/math/mathmax8.cs
@@ -0,0 +1,103 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+using System;
+using System.Collections;
+
+/// <summary>
+/// System.Math.Max(System.Single,System.Single)
+/// </summary>
+public class MathMax8
+{
+    public static int Main(string[] args)
+    {
+        MathMax8 max8 = new MathMax8();
+        TestLibrary.TestFramework.BeginTestCase("Testing System.Math.Max(System.Single,System.Single)...");
+
+        if (max8.RunTests())
+        {
+            TestLibrary.TestFramework.EndTestCase();
+            TestLibrary.TestFramework.LogInformation("PASS");
+            return 100;
+        }
+        else
+        {
+            TestLibrary.TestFramework.EndTestCase();
+            TestLibrary.TestFramework.LogInformation("FAIL");
+            return 0;
+        }
+    }
+
+    public bool RunTests()
+    {
+        bool retVal = true;
+
+        TestLibrary.TestFramework.LogInformation("[Positive]");
+        retVal = PosTest1() && retVal;
+        retVal = PosTest2() && retVal;
+
+        return retVal;
+    }
+
+    public bool PosTest1()
+    {
+        bool retVal = true;
+        TestLibrary.TestFramework.BeginScenario("PosTest1: Verify the return value of max function...");
+
+        try
+        {
+            Single var1 = TestLibrary.Generator.GetSingle(-55);
+            Single var2 = TestLibrary.Generator.GetSingle(-55);
+
+            if (var1 > var2 && !Single.IsNaN(var1) && !Single.IsNaN(var2))
+            {
+                if (Math.Max(var1, var2) != var1)
+                {
+                    TestLibrary.TestFramework.LogError("001", "The return value should be var1!");
+                    retVal = false;
+                }
+            }
+            else if (!Single.IsNaN(var1) && !Single.IsNaN(var2))
+            {
+                if (Math.Max(var1, var2) != var2)
+                {
+                    TestLibrary.TestFramework.LogError("002", "The return value should be var2!");
+                    retVal = false;
+                }
+            }
+        }
+        catch (Exception e)
+        {
+            TestLibrary.TestFramework.LogError("003", "Unexpected exception occurs: " + e);
+            retVal = false;
+        }
+
+        return retVal;
+    }
+
+    public bool PosTest2()
+    {
+        bool retVal = true;
+        TestLibrary.TestFramework.BeginScenario("PosTest2: Verify the max value of Single.NaN and Single.PositiveInfinity...");
+
+        try
+        {
+            Single var1 = Single.NaN;
+            Single var2 = Single.PositiveInfinity;
+
+            if (!Single.IsNaN(Math.Max(var1, var2)))
+            {
+                TestLibrary.TestFramework.LogError("004", "The return value should be single.NaN!");
+                retVal = false;
+            }
+
+        }
+        catch (Exception e)
+        {
+            TestLibrary.TestFramework.LogError("005","Unexpected exception occurs: " + e);
+            retVal = false;
+        }
+
+        return retVal;
+    }
+}