Do not run TryParseExact on null dates

pakrym · pakrym · commit eb83e997cca1 · 2016-08-02T15:01:27.000-07:00
diff --git a/src/Microsoft.Net.Http.Headers/HeaderUtilities.cs b/src/Microsoft.Net.Http.Headers/HeaderUtilities.cs
@@ -215,6 +215,10 @@ public static string FormatInt64(long value)
 
         public static bool TryParseDate(string input, out DateTimeOffset result)
         {
+            if (input == null)
+            {
+                return false;
+            }
             return HttpRuleParser.TryStringToDate(input, out result);
         }
 

Original file line number	Diff line number	Diff line change
`@@ -215,6 +215,10 @@ public static string FormatInt64(long value)`
`215`	`215`
`216`	`216`	`public static bool TryParseDate(string input, out DateTimeOffset result)`
`217`	`217`	`{`
	`218`	`+ if (input == null)`
	`219`	`+ {`
	`220`	`+ return false;`
	`221`	`+ }`
`218`	`222`	`return HttpRuleParser.TryStringToDate(input, out result);`
`219`	`223`	`}`
`220`	`224`