[librsvg: 1/3] Add test for #609 - clipPath ignores its `transform` attribute

[Federico Mena Quintero <federico src gnome org>]

commit 6cfe14a8065c1cf5fae1c70bfea8673a0032a8e4
Author: Sven Neumann <sven svenfoo org>
Date:   Thu Aug 20 16:25:34 2020 +0200

    Add test for #609 - clipPath ignores its `transform` attribute

 .../reftests/bugs/609-clippath-transform-ref.png   | Bin 0 -> 231 bytes
 .../reftests/bugs/609-clippath-transform.svg       |  23 +++++++++++++++++++++
 2 files changed, 23 insertions(+)
---
diff --git a/tests/fixtures/reftests/bugs/609-clippath-transform-ref.png 
b/tests/fixtures/reftests/bugs/609-clippath-transform-ref.png
new file mode 100644
index 000000000..58924a21f
Binary files /dev/null and b/tests/fixtures/reftests/bugs/609-clippath-transform-ref.png differ
diff --git a/tests/fixtures/reftests/bugs/609-clippath-transform.svg 
b/tests/fixtures/reftests/bugs/609-clippath-transform.svg
new file mode 100644
index 000000000..a689a06bd
--- /dev/null
+++ b/tests/fixtures/reftests/bugs/609-clippath-transform.svg
@@ -0,0 +1,23 @@
+<svg xmlns="http://www.w3.org/2000/svg";
+     width="100"
+     height="100">
+
+  <rect width="100"
+        height="100"
+        x="0"
+        y="0"
+        fill="black" />
+
+  <rect clip-path="url(#clip)"
+        width="100"
+        height="100"
+        x="0"
+        y="0"
+        fill="red" />
+
+  <defs>
+    <clipPath id="clip" transform="translate(25, 25)">
+      <rect width="50" height="50" x="0" y="0"/>
+    </clipPath>
+  </defs>
+</svg>