Update to GetParameterExpression when the source is a unary expression.

BlaiseD · BlaiseD · commit 9dac1cd3d210 · 2017-01-23T11:02:25.000-05:00
diff --git a/src/AutoMapper/XpressionMapper/Extensions/VisitorExtensions.cs b/src/AutoMapper/XpressionMapper/Extensions/VisitorExtensions.cs
@@ -123,7 +123,7 @@ public static ParameterExpression GetParameterExpression(this Expression express
             if (expression.NodeType == ExpressionType.ConvertChecked || expression.NodeType == ExpressionType.Convert)
             {
                 UnaryExpression ue = expression as UnaryExpression;
-                return GetParameterExpression(((ue != null) ? ue.Operand : null) as MemberExpression);
+                return GetParameterExpression(ue != null ? ue.Operand : null);
             }
                     
             if (expression.NodeType == ExpressionType.MemberAccess)

Original file line number	Diff line number	Diff line change
`@@ -123,7 +123,7 @@ public static ParameterExpression GetParameterExpression(this Expression express`
`123`	`123`	`if (expression.NodeType == ExpressionType.ConvertChecked \|\| expression.NodeType == ExpressionType.Convert)`
`124`	`124`	`{`
`125`	`125`	`UnaryExpression ue = expression as UnaryExpression;`
`126`		`- return GetParameterExpression(((ue != null) ? ue.Operand : null) as MemberExpression);`
	`126`	`+ return GetParameterExpression(ue != null ? ue.Operand : null);`
`127`	`127`	`}`
`128`	`128`
`129`	`129`	`if (expression.NodeType == ExpressionType.MemberAccess)`