1 files changed, 18 insertions, 0 deletions
diff --git a/test/Mono.Linker.Tests.Cases.Expectations/Assertions/KeptSecurityAttribute.cs b/test/Mono.Linker.Tests.Cases.Expectations/Assertions/KeptSecurityAttribute.cs
new file mode 100644
index 000000000..e25905630
--- /dev/null
+++ b/test/Mono.Linker.Tests.Cases.Expectations/Assertions/KeptSecurityAttribute.cs
@@ -0,0 +1,18 @@
+using System;
+
+namespace Mono.Linker.Tests.Cases.Expectations.Assertions {
+	[AttributeUsage (AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Assembly | AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
+	public class KeptSecurityAttribute : KeptAttribute {
+		public KeptSecurityAttribute (string attributeName)
+		{
+			if (string.IsNullOrEmpty (attributeName))
+				throw new ArgumentException ("Value cannot be null or empty.", nameof (attributeName));
+		}
+
+		public KeptSecurityAttribute (Type type)
+		{
+			if (type == null)
+				throw new ArgumentNullException (nameof (type));
+		}
+	}
+}