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Diffstat (limited to 'testing/web-platform/tests/speculation-rules/prefetch/initiators-iframe-location-href.sub.https.html')
-rw-r--r-- | testing/web-platform/tests/speculation-rules/prefetch/initiators-iframe-location-href.sub.https.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/initiators-iframe-location-href.sub.https.html b/testing/web-platform/tests/speculation-rules/prefetch/initiators-iframe-location-href.sub.https.html new file mode 100644 index 0000000000..0c195ee454 --- /dev/null +++ b/testing/web-platform/tests/speculation-rules/prefetch/initiators-iframe-location-href.sub.https.html @@ -0,0 +1,56 @@ +<!DOCTYPE html> +<meta name="timeout" content="long"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/common/dispatcher/dispatcher.js"></script> +<script src="/common/utils.js"></script> +<script src="../resources/utils.js"></script> +<script src="resources/utils.sub.js"></script> + +<meta name="variant" content="?cross-site"> +<meta name="variant" content="?same-site"> + +<script> + setup(() => assertSpeculationRulesIsSupported()); + + // In https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate, + // `sourceDocument` (instead of `navigable`'s active document) should be + // used as the referring document for prefetch. + // + // Nonetheless, a prefetch in a top-level window is not suitable to use in an iframe. + // In particular, browsers partition storage and cache by top-level site. + // If a browser does start allowing these in narrower cases where the partition + // would nonetheless be the same, this test might need tweaking. + promise_test(async t => { + const win = await spawnWindow(t, { protocol: 'https' }); + + const hostname = + location.search === '?cross-site' ? '{{hosts[alt][www]}}' : undefined; + const nextUrl = win.getExecutorURL({ protocol: 'https', hostname, page: 2 }); + + await win.forceSinglePrefetch(nextUrl); + + // In https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate, + // `sourceDocument` is the incumbent Document and thus `win`'s Document. + // `navigable`'s active document is `iframe`'s Document. + await win.execute_script((url) => { + window.executor.suspend(() => { + const iframe = document.createElement('iframe'); + document.body.appendChild(iframe); + iframe.contentWindow.location.href = url; + }); + }, [nextUrl]); + + // Below, the scripts given to `win.execute_script()` are executed on the + // `nextUrl` page in the iframe, because `window.executor.suspend()` above + // made `win`'s original page stop processing `execute_script()`, + // while the new page of `nextUrl` in the iframe starts processing + // `execute_script()` for the same ID. + assert_equals( + await win.execute_script(() => location.href), + nextUrl.toString(), + "expected navigation to reach destination URL"); + + assert_not_prefetched(await win.getRequestHeaders()); + }, `location.href across iframe`); +</script> |