1 files changed, 36 insertions, 0 deletions
diff --git a/src/Microsoft.Win32.Registry/tests/RegistryKey/RegistryKeyDeleteSubKeyTestsBase.cs b/src/Microsoft.Win32.Registry/tests/RegistryKey/RegistryKeyDeleteSubKeyTestsBase.cs
new file mode 100644
index 0000000000..9ed116f3ce
--- /dev/null
+++ b/src/Microsoft.Win32.Registry/tests/RegistryKey/RegistryKeyDeleteSubKeyTestsBase.cs
@@ -0,0 +1,36 @@
+// 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 Xunit;
+
+namespace Microsoft.Win32.RegistryTests
+{
+    public abstract class RegistryKeyDeleteSubKeyTestsBase : RegistryTestsBase
+    {
+        protected void Verify_DeleteSubKey_KeyExists_KeyDeleted(string expected, Action deleteSubKey)
+        {
+            CreateTestRegistrySubKey(expected);
+
+            deleteSubKey();
+            Assert.Null(TestRegistryKey.OpenSubKey(expected));
+        }
+
+        protected void Verify_DeleteSubKey_KeyDoesNotExists_Throws(string expected, Action deleteSubKey)
+        {
+            Assert.Null(TestRegistryKey.OpenSubKey(expected));
+            Assert.Equal(0, TestRegistryKey.SubKeyCount);
+
+            Assert.Throws<ArgumentException>(() => deleteSubKey());
+        }
+
+        protected void Verify_DeleteSubKey_KeyDoesNotExists_DoesNotThrow(string expected, Action deleteSubKey)
+        {
+            Assert.Null(TestRegistryKey.OpenSubKey(expected));
+            Assert.Equal(0, TestRegistryKey.SubKeyCount);
+
+            deleteSubKey();
+        }
+    }
+}