Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/corefx/src/System.Threading.Thread/tests/ThreadExceptionEventArgsTests.cs

@@ -0,0 +1,22 @@
+// 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 Xunit;
+
+namespace System.Threading.Threads.Tests
+{
+    public static class ThreadExceptionEventArgsTests
+    {
+        [Fact]
+        public static void ConstructorTest()
+        {
+            var e = new ThreadExceptionEventArgs(null);
+            Assert.Null(e.Exception);
+
+            var ex = new Exception();
+            e = new ThreadExceptionEventArgs(ex);
+            Assert.Same(ex, e.Exception);
+        }
+    }
+}