43 lines
2.1 KiB
HTML
43 lines
2.1 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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<script>
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promise_test(async (t) => {
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let start_length = navigation.entries().length;
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let start_index = navigation.currentEntry.index;
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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(r => window.onload = () => t.step_timeout(r, 0));
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await navigation.navigate("#1").finished;
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assert_equals(navigation.entries().length, start_length + 1);
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let iframe = document.createElement("iframe");
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iframe.src = "/common/blank.html";
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document.body.appendChild(iframe);
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await new Promise(r => iframe.onload = () => t.step_timeout(r, 0));
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assert_equals(iframe.contentWindow.navigation.entries().length, 1);
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// Go back to before the iframe was added. The iframe will still be in the
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// document, but we will be at a joint session history entry that was created
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// before the iframe was added to the document.
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await navigation.back().finished;
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assert_equals(navigation.entries().length, start_length + 1);
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assert_equals(iframe.contentWindow.navigation.entries().length, 1);
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assert_equals(navigation.currentEntry.index, start_index);
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assert_equals(iframe.contentWindow.navigation.currentEntry.index, 0);
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// A push navigation in the top window will truncate-then-push the joint
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// session history. This should dispose the forward entry in the top window,
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// but should not interfere with the currentEntry in the iframe.
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let dispose_promise = new Promise(r => navigation.entries()[start_index + 1].ondispose = r);
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iframe.contentWindow.navigation.currentEntry.ondispose = t.unreached_func("iframe entry must not be disposed");
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await navigation.navigate("#b").finished;
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await dispose_promise;
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assert_equals(navigation.entries().length, start_length + 1);
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assert_equals(iframe.contentWindow.navigation.entries().length, 1);
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assert_equals(navigation.currentEntry.index, start_index + 1);
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assert_equals(iframe.contentWindow.navigation.currentEntry.index, 0);
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}, "Removing a currentEntry from the joint session history shouldn't dispose it");
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</script>
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