added parameter names to null argument tests

dotnet · Nov 22, 2021 · d88abd7 · d88abd7
1 parent 090374e
commit d88abd7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/libraries/System.Collections/tests/Generic/CollectionExtensionsTests.cs b/src/libraries/System.Collections/tests/Generic/CollectionExtensionsTests.cs
@@ -130,14 +130,14 @@ public void AsReadOnly_TurnsIDictionaryIntoReadOnlyDictionary()
         public void AsReadOnly_NullIList_ThrowsArgumentNullException()
         {
             IList<string> list = null;
-            Assert.Throws<ArgumentNullException>(() => list.AsReadOnly());
+            Assert.Throws<ArgumentNullException>("list", () => list.AsReadOnly());
         }
 
         [Fact]
         public void AsReadOnly_NullIDictionary_ThrowsArgumentNullException()
         {
             IDictionary<string, string> dictionary = null;
-            Assert.Throws<ArgumentNullException>(() => dictionary.AsReadOnly());
+            Assert.Throws<ArgumentNullException>("dictionary", () => dictionary.AsReadOnly());
         }
     }
 }