MemoryFailPoint tests

src/System.Runtime/tests/System.Runtime.Tests.csproj

@@ -197,6 +197,7 @@
     <Compile Include="System\ActivatorTest.netstandard1.7.cs" />
     <Compile Include="System\ExceptionTests.netstandard1.7.cs" />
     <Compile Include="System\TypeTests.netstandard1.7.cs" />
+    <Compile Include="System\Runtime\Tests.netstandard.1.7.cs" />
     <Compile Include="System\GCTests.netstandard1.7.cs" />
     <Compile Include="$(CommonTestPath)\System\Diagnostics\RemoteExecutorTestBase.cs">
       <Link>Common\System\Diagnostics\RemoteExecutorTestBase.cs</Link>

src/System.Runtime/tests/System/Runtime/Tests.netstandard.1.7.cs

@@ -0,0 +1,37 @@
+// 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.Runtime;
+using Xunit;
+
+namespace System.Runtime.Tests
+{
+    public static class RuntimeHelpersTests
+    {
+        [Fact]
+        public static void MemoryFailPointTestNoThrow()
+        {
+            MemoryFailPoint memFailPoint = null;
+
+            memFailPoint = new MemoryFailPoint(1);
+            memFailPoint.Dispose();
+            memFailPoint = new MemoryFailPoint(2);
+            memFailPoint.Dispose();
+        }
+
+        [Fact]
+        public static void MemoryFailPointTestThrow()
+        {
+            Assert.Throws<ArgumentOutOfRangeException>(() => new MemoryFailPoint(Int32.MinValue));
+            Assert.Throws<ArgumentOutOfRangeException>(() => new MemoryFailPoint(0));
+        }
+
+        [Fact]
+        [PlatformSpecific(TestPlatforms.Windows)] //https://github.com/dotnet/coreclr/issues/7807
+        public static void MemoryFailPointMaxMemoryThrow()
+        {
+            Assert.Throws<InsufficientMemoryException>(() => new MemoryFailPoint(Int32.MaxValue));
+        }
+    }
+}