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-rw-r--r--testing/web-platform/tests/paint-timing/fcp-only/fcp-pseudo-element-image.html38
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diff --git a/testing/web-platform/tests/paint-timing/fcp-only/fcp-pseudo-element-image.html b/testing/web-platform/tests/paint-timing/fcp-only/fcp-pseudo-element-image.html
new file mode 100644
index 0000000000..d67ae21cd9
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+++ b/testing/web-platform/tests/paint-timing/fcp-only/fcp-pseudo-element-image.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<head>
+<title>Performance Paint Timing Test: FCP due to pseudo-element image</title>
+<style>
+ #main {
+ position: relative;
+ width: 100px;
+ height: 100px;
+ }
+
+ /* contentful class is defined in test_fcp script. */
+ #main.contentful:after {
+ content: url(../resources/circles.png);
+ }
+</style>
+</head>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../resources/utils.js"></script>
+<div id="main">
+</div>
+<script>
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = "../resources/circles.png";
+
+ return new Promise(resolve => {
+ img.onload = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to pseudo-element image.", load_image)
+</script>
+</body>
+
+</html>