Empty string behaves like null

FlorianRappl · web-flow · commit 2a2f5da39f9e · 2023-02-16T09:02:12.000+01:00
diff --git a/src/AngleSharp.Css/Dom/Internal/MediaList.cs b/src/AngleSharp.Css/Dom/Internal/MediaList.cs
@@ -56,7 +56,8 @@ public String MediaText
         public void SetMediaText(String value, Boolean throwOnError)
         {
             _media.Clear();
-            var media = MediaParser.Parse(value ?? CssKeywords.All, ValidatorFactory);
+            var v = String.IsNullOrEmpty(value) ? CssKeywords.All : value;
+            var media = MediaParser.Parse(v, ValidatorFactory);
 
             if (media != null)
             {

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,8 @@ public String MediaText`
`56`	`56`	`public void SetMediaText(String value, Boolean throwOnError)`
`57`	`57`	`{`
`58`	`58`	`_media.Clear();`
`59`		`- var media = MediaParser.Parse(value ?? CssKeywords.All, ValidatorFactory);`
	`59`	`+ var v = String.IsNullOrEmpty(value) ? CssKeywords.All : value;`
	`60`	`+ var media = MediaParser.Parse(v, ValidatorFactory);`
`60`	`61`
`61`	`62`	`if (media != null)`
`62`	`63`	`{`