46 lines
2.3 KiB
HTML
46 lines
2.3 KiB
HTML
<!doctype html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<iframe id="i1" src="/common/blank.html"></iframe>
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<iframe id="i2" src="resources/slow-no-store.py"></iframe>
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<script>
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promise_test(async t => {
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let start_length = navigation.entries().length;
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// Wait for after the load event so that the navigation doesn't get converted
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// into a replace navigation.
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await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
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i1.src = "/common/blank.html?navigated";
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await new Promise(resolve => i1.onload = resolve);
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i2.src = "/common/blank.html?navigated";
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await new Promise(resolve => i2.onload = resolve);
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assert_equals(navigation.entries().length, start_length);
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assert_equals(i1.contentWindow.navigation.entries().length, 2);
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assert_equals(i2.contentWindow.navigation.entries().length, 2);
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assert_equals(i1.contentWindow.navigation.currentEntry.index, 1);
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assert_equals(i2.contentWindow.navigation.currentEntry.index, 1);
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function collectKeysAndIds(win) {
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return win.navigation.entries().map(e => [e.key, e.id]).flat();
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}
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let i1_keys_and_ids_before_back = collectKeysAndIds(i1.contentWindow);
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let i2_keys_and_ids_before_back = collectKeysAndIds(i2.contentWindow);
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// Go back to a point that requires both frames to navigate. Because i2 is
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// going back to a slow, un-cached document, i1 will likely complete before
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// the server sends the response for i2. This combination of a slow and fast
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// traversal is less common than the case where multiple iframes navigate at
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// similar speeds, and caused a bug in chromium.
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i1.contentWindow.navigation.traverseTo(i1.contentWindow.navigation.entries()[0].key);
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await Promise.all(
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[ new Promise(resolve => i1.onload = resolve),
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new Promise(resolve => i2.onload = resolve) ]);
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assert_equals(i1.contentWindow.navigation.currentEntry.index, 0);
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assert_equals(i2.contentWindow.navigation.currentEntry.index, 0);
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assert_array_equals(i1_keys_and_ids_before_back, collectKeysAndIds(i1.contentWindow));
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assert_array_equals(i2_keys_and_ids_before_back, collectKeysAndIds(i2.contentWindow));
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}, "entries() should be correct after a traversal that navigates multiple browsing contexts");
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</script>
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</body>
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