detached-frame.html

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This WPT test may be referenced by the following Test IDs:
- /performance-timeline/tentative/detached-frame.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

</head>

<body>

</body>

<script>

promise_test(async () => {

  performance.clearResourceTimings()

  // Create child iframe.

  const childFrame = document.createElement('iframe')

  childFrame.src = "../resources/child-frame.html"

  document.body.appendChild(childFrame)

  // wait until the child frame's onload event fired

  await new Promise(r => childFrame.addEventListener("load", r));

  const childWindow = childFrame.contentWindow;

  // Detach the child frame

  document.body.removeChild(childFrame);

  const entries = childWindow.performance.getEntries({ includeChildFrames: true });

  const parent_entries = performance.getEntries({ includeChildFrames: true });

}, "GetEntries of a detached parent frame does not crash");

</script>