113 lines
4.9 KiB
HTML
113 lines
4.9 KiB
HTML
<!doctype html>
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<title>Navigating to text fragment directives in iframes</title>
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<meta charset=utf-8>
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<meta name="timeout" content="long">
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<link rel="help" href="https://wicg.github.io/ScrollToTextFragment/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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function getResult(iframe) {
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return new Promise((resolve) => {
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window.addEventListener('message', (e) => {
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resolve(e.data);
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}, {once: true});
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iframe.contentWindow.postMessage('getResult', '*');
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});
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}
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function reset(iframe) {
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return new Promise((resolve) => {
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window.addEventListener('message', (e) => {
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resolve();
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}, {once: true});
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iframe.contentWindow.postMessage('reset', '*');
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});
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}
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function runTests() {
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const attribute_iframe = document.getElementById('srcattrib');
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const sameorigin_iframe = document.getElementById('sameorigin');
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const crossorigin_iframe = document.getElementById('crossorigin');
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// Check behavior that occurs when a text fragment is specified directly in
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// an iframe's src attribute. We expect the text fragment to be blocked.
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promise_test(t => new Promise(async resolve => {
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// No reset since we're checking the hash specified in the `src` attribute.
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const data = await getResult(attribute_iframe);
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resolve(data);
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}).then( data => {
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assert_equals(data.href.indexOf(':~:'), -1, 'Expected fragment directive to be stripped from the URL.');
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assert_equals(data.scrollPosition, 'top', 'Should not scroll to text fragment');
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}), 'Text fragment specified in iframe.src');
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// Check behavior when we set a text fragment using script from a
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// same-origin parent. The text fragment should be allowed because this is
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// a same-document navigation initiated by an origin that's same-origin
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// with the current document.
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promise_test(t => new Promise(async resolve => {
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await reset(sameorigin_iframe);
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sameorigin_iframe.contentWindow.location = `${sameorigin_iframe.src}#:~:text=Target`;
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const data = await getResult(sameorigin_iframe);
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resolve(data);
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}).then( data => {
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assert_equals(data.href.indexOf(':~:'), -1, 'Expected fragment directive to be stripped from the URL.');
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assert_equals(data.scrollPosition, 'target', 'Should scroll to text fragment');
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}), 'Navigate same-origin iframe via window.location');
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// Check behavior when we set a text fragment using script from a
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// cross-origin parent. The text fragment should be blocked because the
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// initiating origin is not same-origin with the current document.
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promise_test(t => new Promise(async resolve => {
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await reset(crossorigin_iframe);
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crossorigin_iframe.contentWindow.location = `${crossorigin_iframe.src}#:~:text=Target`;
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const data = await getResult(crossorigin_iframe);
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resolve(data);
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}).then( data => {
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assert_equals(data.href.indexOf(':~:'), -1, 'Expected fragment directive to be stripped from the URL.');
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assert_equals(data.scrollPosition, 'top', 'Should not to scroll to text fragment.');
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}), 'Navigate cross-origin iframe via window.location');
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// Check the element-id fallback behavior when the text is not found. We
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// should fallback to a regular element-id hash navigation.
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promise_test(t => new Promise(async resolve => {
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await reset(sameorigin_iframe);
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sameorigin_iframe.contentWindow.location = `${sameorigin_iframe.src}#elementid:~:text=NonExistentText`;
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const data = await getResult(sameorigin_iframe);
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resolve(data);
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}).then( data => {
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assert_equals(data.scrollPosition, 'elementid', 'Should scroll to the element-id anchor.');
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}), 'Non-matching text with element-id fallback');
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// Check the element-id fallback behaviour when used across origins. The
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// text fragment should be blocked across origins but the element id hash
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// should not.
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promise_test(t => new Promise(async resolve => {
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await reset(crossorigin_iframe);
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crossorigin_iframe.contentWindow.location = `${crossorigin_iframe.src}#elementid:~:text=Target%20Text`;
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const data = await getResult(crossorigin_iframe);
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resolve(data);
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}).then( data => {
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assert_equals(data.scrollPosition, 'elementid', 'Should scroll to the element-id anchor.');
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}), 'Cross-origin with element-id fallback');
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}
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</script>
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<style>
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iframe {
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width: 100px;
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height: 100px;
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}
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</style>
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<body onload="runTests()">
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<div>
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Same-Origin with text fragment in src attribute:
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<iframe id="srcattrib" src="iframe-target.html#:~:text=Target"></iframe>
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</div>
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<div>
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Same-Origin:
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<iframe id="sameorigin" src="iframe-target.html"></iframe>
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</div>
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<div>
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Cross-Origin:
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<iframe id="crossorigin" src="http://{{hosts[][www]}}:{{ports[http][0]}}/scroll-to-text-fragment/iframe-target.html"></iframe>
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</div>
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</body>
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