From 3c1dfcfcf5e9eb4e05b596ad6d9f3203e1632911 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Tue, 16 Jul 2019 12:40:52 +0200
Subject: [PATCH] Added equality test.

And fix bug in `DashStyle`.
---
 src/Avalonia.Visuals/Media/DashStyle.cs       |  2 +-
 .../Media/PenTests.cs                         | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Media/DashStyle.cs b/src/Avalonia.Visuals/Media/DashStyle.cs
index c7e1db57b2..9f03a0bd85 100644
--- a/src/Avalonia.Visuals/Media/DashStyle.cs
+++ b/src/Avalonia.Visuals/Media/DashStyle.cs
@@ -10,7 +10,7 @@ namespace Avalonia.Media
         {
             get
             {
-                if (dashDotDot == null)
+                if (dash == null)
                 {
                     dash = new DashStyle(new double[] { 2, 2 }, 1);
                 }
diff --git a/tests/Avalonia.Visuals.UnitTests/Media/PenTests.cs b/tests/Avalonia.Visuals.UnitTests/Media/PenTests.cs
index a3746f80b5..c4fe0155f9 100644
--- a/tests/Avalonia.Visuals.UnitTests/Media/PenTests.cs
+++ b/tests/Avalonia.Visuals.UnitTests/Media/PenTests.cs
@@ -1,4 +1,5 @@
 using Avalonia.Media;
+using Avalonia.Media.Immutable;
 using Xunit;
 
 namespace Avalonia.Visuals.UnitTests.Media
@@ -29,5 +30,27 @@ namespace Avalonia.Visuals.UnitTests.Media
 
             Assert.True(raised);
         }
+
+        [Fact]
+        public void Equality_Is_Implemented_Between_Mutable_And_Immutable_Pens()
+        {
+            var brush = new SolidColorBrush(Colors.Red);
+            var target1 = new Pen(
+                brush: brush,
+                thickness: 2,
+                dashStyle: DashStyle.Dash,
+                lineCap: PenLineCap.Round,
+                lineJoin: PenLineJoin.Round,
+                miterLimit: 21);
+            var target2 = new ImmutablePen(
+                brush: brush,
+                thickness: 2,
+                dashStyle: DashStyle.Dash,
+                lineCap: PenLineCap.Round,
+                lineJoin: PenLineJoin.Round,
+                miterLimit: 21);
+
+            Assert.True(Equals(target1, target2));
+        }
     }
 }