iframe-loading-lazy-reload-location-reload.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-reload-location-reload.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Reloading iframe loading='lazy' before it is loaded: location.reload</title>

<iframe src="support/blank.htm?src" loading="lazy" hidden></iframe>

<script>

const iframe = document.querySelector('iframe');

const iframeLoaded = new Promise(resolve => {

  iframe.onload = resolve;

});

// Should have no effect on lazy-loading

iframe.contentWindow.location.reload();

iframe.hidden = false;

</script>

<!-- Loading testharness.js here is intentional to reproduce a bug in WebKit. -->

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

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

<script>

setup({single_test: true});

iframeLoaded.then(() => {

  // Need a timeout to detect failure when there are two navigations.

  step_timeout(() => {

    assert_equals(iframe.contentWindow.location.href, new URL("support/blank.htm?src", location.href).href);

    done();

  }, 1000);

});

</script>