Improved serialization of shadows #97

Author: FlorianRappl

src/AngleSharp.Css.Tests/Declarations/CssProperty.cs

@@ -335,7 +335,7 @@ public void CssBoxShadowNormalSpreadBlackLegal()
             Assert.IsFalse(property.IsImportant);
             Assert.IsFalse(property.IsInherited);
             Assert.IsTrue(property.HasValue);
-            Assert.AreEqual("10px 5px 5px", property.Value);
+            Assert.AreEqual("10px 5px 5px rgba(0, 0, 0, 1)", property.Value);
         }
 
         [Test]
@@ -407,7 +407,7 @@ public void CssBoxShadowOffsetColorLegal()
             Assert.IsFalse(property.IsImportant);
             Assert.IsFalse(property.IsInherited);
             Assert.IsTrue(property.HasValue);
-            Assert.AreEqual("5px 4px", property.Value);
+            Assert.AreEqual("5px 4px rgba(0, 0, 0, 1)", property.Value);
         }
 
         [Test]
@@ -419,7 +419,7 @@ public void CssBoxShadowOffsetBlurColorLegal()
             Assert.IsFalse(property.IsImportant);
             Assert.IsFalse(property.IsInherited);
             Assert.IsTrue(property.HasValue);
-            Assert.AreEqual("5px 4px 2px", property.Value);
+            Assert.AreEqual("5px 4px 2px rgba(0, 0, 0, 1)", property.Value);
         }
 
         [Test]

src/AngleSharp.Css.Tests/Declarations/CssTextProperty.cs

@@ -65,7 +65,7 @@ public void CssTextShadowLegalInsetAtLast()
             Assert.IsTrue(property.HasValue);
             Assert.IsFalse(property.IsImportant);
             Assert.IsFalse(property.IsInherited);
-            Assert.AreEqual("inset 0 0 2px", property.Value);
+            Assert.AreEqual("inset 0 0 2px rgba(0, 0, 0, 1)", property.Value);
         }
 
         [Test]

src/AngleSharp.Css.Tests/Declarations/CssTextShadowProperty.cs

@@ -0,0 +1,23 @@
+namespace AngleSharp.Css.Tests.Declarations
+{
+    using AngleSharp.Css.Dom;
+    using AngleSharp.Css.Parser;
+    using AngleSharp.Html.Parser;
+    using NUnit.Framework;
+
+    [TestFixture]
+    public class CssTextShadowProperty
+    {
+        [Test]
+        public void ColorNotIncluded_Issue97()
+        {
+            var html = @"<div style=""text-shadow: 2px 2px 2px #000"">test</div>";
+            var parser = new HtmlParser(new HtmlParserOptions(), BrowsingContext.New(Configuration.Default.WithCss(new CssParserOptions())));
+            var dom = parser.ParseDocument(html);
+            var div = dom.QuerySelector("div");
+            var style = div.GetStyle();
+            var css = style.CssText;
+            Assert.AreEqual("text-shadow: 2px 2px 2px rgba(0, 0, 0, 1)", css);
+        }
+    }
+}

src/AngleSharp.Css/Parser/Micro/ShadowParser.cs

@@ -67,7 +67,7 @@ public static CssShadowValue ParseShadow(this StringSource source)
                     offsetY,
                     blurRadius,
                     spreadRadius,
-                    color ?? Color.Black);
+                    color);
             }
 
             source.BackTo(start);

src/AngleSharp.Css/Values/Composites/CssShadowValue.cs

@@ -16,7 +16,7 @@ sealed class CssShadowValue : ICssCompositeValue
         private readonly ICssValue _offsetY;
         private readonly ICssValue _blurRadius;
         private readonly ICssValue _spreadRadius;
-        private readonly Color _color;
+        private readonly Color? _color;
 
         #endregion
 
@@ -31,7 +31,7 @@ sealed class CssShadowValue : ICssCompositeValue
         /// <param name="blurRadius">The blur radius of the shadow.</param>
         /// <param name="spreadRadius">The spread radius of the shadow.</param>
         /// <param name="color">The color of the shadow.</param>
-        public CssShadowValue(Boolean inset, ICssValue offsetX, ICssValue offsetY, ICssValue blurRadius, ICssValue spreadRadius, Color color)
+        public CssShadowValue(Boolean inset, ICssValue offsetX, ICssValue offsetY, ICssValue blurRadius, ICssValue spreadRadius, Color? color)
         {
             _inset = inset;
             _offsetX = offsetX;
@@ -72,9 +72,9 @@ public String CssText
                     parts.Add(_spreadRadius.CssText);
                 }
 
-                if (_color != Color.Black)
+                if (_color.HasValue)
                 {
-                    parts.Add(_color.CssText);
+                    parts.Add(_color.Value.CssText);
                 }
 
                 return String.Join(" ", parts);
@@ -84,7 +84,7 @@ public String CssText
         /// <summary>
         /// Gets the color of the shadow.
         /// </summary>
-        public Color Color => _color;
+        public Color Color => _color ?? Color.Black;
 
         /// <summary>
         /// Gets the horizontal offset.