From 33894317545d1c0d7ba0b659b98f68b1b9346477 Mon Sep 17 00:00:00 2001
From: SandorDobos <dbs.sndr@gmail.com>
Date: Tue, 13 Apr 2021 12:45:45 +0200
Subject: [PATCH 1/2] Adds negative test of Enum.HasFlag.

---
 Tests/NFUnitTestEnum/UnitTestEnumTests.cs | 41 +++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/Tests/NFUnitTestEnum/UnitTestEnumTests.cs b/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
index a44545af..27c5696c 100644
--- a/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
+++ b/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
@@ -397,6 +397,12 @@ public void EnumFlags05_Test()
             Debug.WriteLine("check Enum.HasFlag");
             TestClassEnumFlags05.TestMethod();
         }
+        [TestMethod]
+        public void EnumFlags06_Test()
+        {
+            Debug.WriteLine("check Enum.HasFlag throws exception");
+            TestClassEnumFlags06.TestMethod();
+        }
 
         //Compiled Test Cases 
         public class Enum_TestClass_enum01
@@ -2629,5 +2635,40 @@ public static void TestMethod()
                 Assert.True(e2.HasFlag(TestClassEnumFlags.Third));
             }
         }
+
+        public class TestClassEnumFlags06
+        {
+            [Flags]
+            enum enum1
+            {
+                Zero = 0x0000,
+                First = 0x0001,
+                Second = 0x0002,
+            }
+            [Flags]
+            enum enum2
+            {
+                Zero = 0x0000,
+                First = 0x0001,
+                Second = 0x0002,
+            }
+
+
+            public static void TestMethod()
+            {
+                var e1 = enum1.First;
+                var e2 = enum2.First;
+
+                try
+                {
+                    e1.HasFlag(e2);
+                    Assert.False(true, "No exception thrown!");
+                }
+                catch (ArgumentException)
+                {
+                    // no op
+                }
+            }
+        }
     }
 }

From fb2227a46f334f5acfc804f87339aae0300bb3f3 Mon Sep 17 00:00:00 2001
From: SandorDobos <dbs.sndr@gmail.com>
Date: Tue, 13 Apr 2021 14:34:35 +0200
Subject: [PATCH 2/2] Modifications made requested during review

---
 Tests/NFUnitTestEnum/UnitTestEnumTests.cs | 29 ++++++++++-------------
 1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/Tests/NFUnitTestEnum/UnitTestEnumTests.cs b/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
index 27c5696c..578cf883 100644
--- a/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
+++ b/Tests/NFUnitTestEnum/UnitTestEnumTests.cs
@@ -2578,6 +2578,17 @@ enum TestClassEnumFlags
             Third = 0x0004,
             Fourth = 0x0008,
         }
+
+        [Flags]
+        enum TestClassAnotherEnumFlags
+        {
+            Zero = 0x0000,
+            First = 0x0001,
+            Second = 0x0002,
+            Third = 0x0004,
+            Fourth = 0x0008,
+        }
+
         public class TestClassEnumFlags01
         {
             public static bool TestMethod()
@@ -2638,26 +2649,12 @@ public static void TestMethod()
 
         public class TestClassEnumFlags06
         {
-            [Flags]
-            enum enum1
-            {
-                Zero = 0x0000,
-                First = 0x0001,
-                Second = 0x0002,
-            }
-            [Flags]
-            enum enum2
-            {
-                Zero = 0x0000,
-                First = 0x0001,
-                Second = 0x0002,
-            }
 
 
             public static void TestMethod()
             {
-                var e1 = enum1.First;
-                var e2 = enum2.First;
+                var e1 = TestClassEnumFlags.First;
+                var e2 = TestClassAnotherEnumFlags.First;
 
                 try
                 {