1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/WebIDL/valid/xml/interface-inherits.widlprocxml b/testing/web-platform/tests/WebIDL/valid/xml/interface-inherits.widlprocxml
new file mode 100644
index 000000000..94f0e29df
--- /dev/null
+++ b/testing/web-platform/tests/WebIDL/valid/xml/interface-inherits.widlprocxml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE Definitions SYSTEM "widlprocxml.dtd">
+<Definitions>
+  <webidl>interface Animal {
+  attribute DOMString name;
+};
+
+interface Human : <ref>Animal</ref> {
+  attribute <ref>Dog</ref> pet;
+};
+
+interface Dog : <ref>Animal</ref> {
+  attribute <ref>Human</ref> owner;
+};</webidl>
+  <Interface name="Animal" id="::Animal">
+    <webidl>interface Animal {
+  attribute DOMString name;
+};</webidl>
+    <Attribute name="name" id="::Animal::name">
+      <webidl>  attribute DOMString name;</webidl>
+      <Type type="DOMString"/>
+    </Attribute>
+  </Interface>
+  <Interface name="Human" id="::Human">
+    <webidl>interface Human : <ref>Animal</ref> {
+  attribute <ref>Dog</ref> pet;
+};</webidl>
+    <InterfaceInheritance>
+      <Name name="Animal"/>
+    </InterfaceInheritance>
+    <Attribute name="pet" id="::Human::pet">
+      <webidl>  attribute <ref>Dog</ref> pet;</webidl>
+      <Type name="Dog"/>
+    </Attribute>
+  </Interface>
+  <Interface name="Dog" id="::Dog">
+    <webidl>interface Dog : <ref>Animal</ref> {
+  attribute <ref>Human</ref> owner;
+};</webidl>
+    <InterfaceInheritance>
+      <Name name="Animal"/>
+    </InterfaceInheritance>
+    <Attribute name="owner" id="::Dog::owner">
+      <webidl>  attribute <ref>Human</ref> owner;</webidl>
+      <Type name="Human"/>
+    </Attribute>
+  </Interface>
+</Definitions>