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https://github.com/LadybirdBrowser/ladybird
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50a79c6af8
If multiple cross-document navigations are queued on SessionHistoryTraversalQueue, running the next entry before the current document load is finished may result in a deadlock. If the new document has a navigable element of its own, it will append steps to SHTQ and hang in nested spin_until. This change uses promises to ensure that the current document loads before the next entry is executed. Fixes timeouts in the imported tests. Co-authored-by: Sam Atkins <sam@ladybird.org>
32 lines
1.3 KiB
HTML
32 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<script src="../include.js"></script>
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<iframe id="a"></iframe>
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<iframe id="b"></iframe>
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<script>
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asyncTest(done => {
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let doneA = false, doneB = false;
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function check() {if (doneA && doneB) done();}
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function makeContent(id, n) {
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let html = `<h3>${id} ${n}</h3>`;
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if (n % 3 === 0) html += `<iframe id="nest1+${id}" srcdoc="${id} ${n}"></iframe>`;
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if (n % 5 === 0) html += `<frame id="nest2${id} srcdoc="${id} ${n}"/>`;
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return html;
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}
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function run(iframe, id, n, max, finish) {
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if (n >= max) {println('PASS'); finish(); return;}
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const blob = new Blob([makeContent(id, n)], {type: 'text/html'});
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const url = URL.createObjectURL(blob);
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iframe.onload = () => {
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try {
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iframe.contentDocument;
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URL.revokeObjectURL(url);
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} catch {println('FAIL'); finish(); return;}
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run(iframe, id, n + 1, max, finish);
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};
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iframe.src = url;
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}
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run(document.getElementById('a'), 'a', 0, 101, () => {doneA = true; check();});
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run(document.getElementById('b'), 'b', 0, 101, () => {doneB = true; check();});
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});
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</script>
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