1 files changed, 62 insertions, 0 deletions
diff --git a/test/wpt/tests/fetch/metadata/tools/templates/element-video-poster.sub.html b/test/wpt/tests/fetch/metadata/tools/templates/element-video-poster.sub.html
new file mode 100644
index 0000000..9cdaf06
--- /dev/null
+++ b/test/wpt/tests/fetch/metadata/tools/templates/element-video-poster.sub.html
@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<!--
+[%provenance%]
+-->
+<html lang="en">
+  <meta charset="utf-8">
+  <title>HTTP headers on request for HTML "video" element "poster"</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script src="/fetch/metadata/resources/helper.sub.js"></script>
+  <body>
+  <script>
+  'use strict';
+
+  const params = {
+    body: `
+      <svg xmlns="http://www.w3.org/2000/svg" width="123" height="123">
+        <rect fill="lime" width="123" height="123"/>
+      </svg>
+    `,
+    mime: 'image/svg+xml'
+  };
+
+  function induceRequest(t, url) {
+    var video = document.createElement('video');
+    video.setAttribute('poster', url);
+    document.body.appendChild(video);
+
+    const poll = () => {
+      if (video.clientWidth === 123) {
+        return;
+      }
+
+      return new Promise((resolve) => t.step_timeout(resolve, 0))
+        .then(poll);
+    };
+    t.add_cleanup(() => video.remove());
+
+    return poll();
+  }
+
+  {%- for subtest in subtests %}
+
+  promise_test((t) => {
+    const key = '{{uuid()}}';
+
+    return induceRequest(t, makeRequestURL(key, [% subtest.origins %], params))
+      .then(() => retrieve(key))
+      .then((headers) => {
+        {%- if subtest.expected == none %}
+          assert_not_own_property(headers, '[%subtest.headerName%]');
+        {%- else %}
+          assert_own_property(headers, '[%subtest.headerName%]');
+          assert_array_equals(headers['[%subtest.headerName%]'], ['[%subtest.expected%]']);
+        {%- endif %}
+      });
+  }, '[%subtest.headerName%][%subtest.description | pad("start", " - ")%]');
+
+  {%- endfor %}
+  </script>
+  </body>
+</html>