Fixed keyframe stop truncation #128

Author: FlorianRappl

CHANGELOG.md

@@ -6,6 +6,7 @@ Released on tbd.
 - Fixed issue when updating shorthands with invalid values (#129)
 - Fixed issue with appended EOF character in `CssText` (#123)
 - Fixed missing semicolon in `@page` rule (#135)
+- Fixed integer serialization of keyframe stops (#128)
 
 # 0.17.0
 

src/AngleSharp.Css.Tests/Rules/CssKeyframeRule.cs

@@ -1,4 +1,4 @@
-namespace AngleSharp.Css.Tests.Rules
+namespace AngleSharp.Css.Tests.Rules
 {
     using NUnit.Framework;
     using System.Linq;
@@ -74,5 +74,15 @@ public void KeyframeRuleWith0AndNoDeclarations()
             Assert.AreEqual(1, rule.Key.Stops.Count());
             Assert.AreEqual(0, rule.Style.Length);
         }
+
+        [Test]
+        public void KeyframeRuleWithPercentage_Issue128()
+        {
+            var rule = ParseKeyframeRule(@"  0.52%,   50.0%,92.82% { }");
+            Assert.IsNotNull(rule);
+            Assert.AreEqual("0.52%, 50%, 92.82%", rule.KeyText);
+            Assert.AreEqual(3, rule.Key.Stops.Count());
+            Assert.AreEqual(0, rule.Style.Length);
+        }
     }
 }

src/AngleSharp.Css/Dom/Internal/KeyframeSelector.cs

@@ -56,7 +56,7 @@ public void ToCss(TextWriter writer, IStyleFormatter formatter)
 
         private static void Write(TextWriter writer, Double value)
         {
-            var pc = Math.Truncate(100.0 * value);
+            var pc = 100.0 * value;
             var str = pc.ToString(CultureInfo.InvariantCulture);
             writer.Write(str);
             writer.Write(Symbols.Percent);