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-rw-r--r--testing/web-platform/tests/custom-elements/pseudo-class-defined-print.html17
1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/pseudo-class-defined-print.html b/testing/web-platform/tests/custom-elements/pseudo-class-defined-print.html
new file mode 100644
index 0000000000..24e1bb7b03
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/pseudo-class-defined-print.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<link rel="match" href="pseudo-class-defined-print-ref.html">
+<style>
+ custom-element {
+ display: block;
+ width: 100px;
+ height: 100px;
+ background: green;
+ }
+ custom-element:not(:defined) {
+ background: red;
+ }
+</style>
+<custom-element></custom-element>
+<script>
+ customElements.define("custom-element", class extends HTMLElement { });
+</script>