66 lines
2.4 KiB
HTML
66 lines
2.4 KiB
HTML
<!doctype html>
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<title>opener and discarded browsing contexts</title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<div id=log></div>
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<iframe name=matchesastring></iframe>
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<script>
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function testOpener(t, otherW, thisW, discardOtherBC, isDiscardedFromATask) {
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assert_equals(otherW.opener, thisW, "opener before removal");
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const openerDesc = Object.getOwnPropertyDescriptor(otherW, "opener"),
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openerGet = openerDesc.get;
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assert_equals(openerGet(), thisW, "opener before removal via directly invoking the getter");
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discardOtherBC();
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if (isDiscardedFromATask) {
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t.step_timeout(() => {
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testOpenerRemainder(t, otherW, openerDesc, openerGet);
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}, 250);
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} else {
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testOpenerRemainder(t, otherW, openerDesc, openerGet);
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}
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}
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function testOpenerRemainder(t, otherW, openerDesc, openerGet) {
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assert_equals(otherW.opener, null, "opener after removal");
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assert_equals(openerGet(), null, "opener after removal via directly invoking the getter");
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otherW.opener = null;
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assert_equals(openerGet(), null, "opener after setting it null via directly invoking the getter");
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const openerDescNull = Object.getOwnPropertyDescriptor(otherW, "opener");
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assert_not_equals(openerDescNull, openerDesc);
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assert_object_equals(openerDescNull, openerDesc);
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otherW.opener = "immaterial";
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assert_equals(openerGet(), null, "opener after setting it \"immaterial\" via directly invoking the getter");
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const openerDescImmaterial = Object.getOwnPropertyDescriptor(otherW, "opener");
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assert_equals(openerDescImmaterial.value, "immaterial");
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assert_true(openerDescImmaterial.writable);
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assert_true(openerDescImmaterial.enumerable);
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assert_true(openerDescImmaterial.configurable);
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t.done();
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}
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async_test(t => {
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const frame = document.querySelector("iframe"),
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frameW = frame.contentWindow;
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frame.onload = t.step_func(() => {
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// Firefox and Chrome/Safari load differently
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if (frame.contentWindow.location.href === "about:blank") {
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return;
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}
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testOpener(t, frameW, window, () => frame.remove(), false);
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});
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window.open("/common/blank.html", "matchesastring");
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}, "opener of discarded nested browsing context");
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async_test(t => {
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const popupW = window.open("/common/blank.html");
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popupW.onload = t.step_func(() => {
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testOpener(t, popupW, window, () => popupW.close(), true);
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});
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}, "opener of discarded auxiliary browsing context");
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</script>
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