[CodeIssue] VariableOnlyAssignedIssue: out argument should be considered as assignment

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/VariableOnlyAssignedIssues/VariableOnlyAssignedIssue.cs

@@ -75,6 +75,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 								assignment = true;
 								return;
 							}
+						} else if (parent is DirectionExpression) {
+							if (((DirectionExpression)parent).FieldDirection == FieldDirection.Out) {
+								assignment = true;
+								return;
+							}
 						}
 					}
 					nonAssignment = true;

ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/LocalVariableOnlyAssignedIssueTests.cs

@@ -74,5 +74,24 @@ class TestClass
 }";
 			Test<LocalVariableOnlyAssignedIssue> (input, 0);
 		}
+
+		[Test]
+		public void TestOutArgument ()
+		{
+			var input1 = @"
+class TestClass
+{
+	void Test (out int i)
+	{
+		i = 1;
+	}
+	void TestMethod()
+	{
+		int i = 1;
+		Test (out i);
+	}
+}";
+			Test<LocalVariableOnlyAssignedIssue> (input1, 1);
+		}
 	}
 }