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HTML: opener of a Window sans browsing context
For whatwg/html#4379.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| <!doctype html> | ||
| <title>opener and "removed" embedded documents</title> | ||
| <script src=/resources/testharness.js></script> | ||
| <script src=/resources/testharnessreport.js></script> | ||
| <div id=log></div> | ||
| <iframe name=matchesastring></iframe> | ||
| <script> | ||
| async_test(t => { | ||
| const frame = document.querySelector("iframe"), | ||
| frameW = frame.contentWindow; | ||
| frame.onload = t.step_func(() => { | ||
| // Firefox and Chrome/Safari load differently | ||
| if (frame.contentWindow.location.href === "about:blank") { | ||
| return; | ||
| } | ||
|
|
||
| // Test bits | ||
| assert_equals(frameW.opener, window, "opener before removal"); | ||
|
|
||
| const openerDesc = Object.getOwnPropertyDescriptor(frameW, "opener"), | ||
| openerGet = openerDesc.get; | ||
|
|
||
| assert_equals(openerGet(), window, "opener before removal via directly invoking the getter"); | ||
| frame.remove(); | ||
| assert_equals(frameW.opener, null, "opener after removal"); | ||
| assert_equals(openerGet(), null, "opener after removal via directly invoking the getter"); | ||
|
|
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| frameW.opener = null; | ||
| assert_equals(openerGet(), null, "opener after setting it null via directly invoking the getter"); | ||
| const openerDescNull = Object.getOwnPropertyDescriptor(frameW, "opener"); | ||
| assert_not_equals(openerDescNull, openerDesc); | ||
| assert_object_equals(openerDescNull, openerDesc); | ||
|
|
||
| frameW.opener = "immaterial"; | ||
| assert_equals(openerGet(), null, "opener after setting it \"immaterial\" via directly invoking the getter"); | ||
| const openerDescImmaterial = Object.getOwnPropertyDescriptor(frameW, "opener"); | ||
| assert_equals(openerDescImmaterial.value, "immaterial"); | ||
| assert_true(openerDescImmaterial.writable); | ||
| assert_true(openerDescImmaterial.enumerable); | ||
| assert_true(openerDescImmaterial.configurable); | ||
|
|
||
| t.done(); | ||
| }); | ||
| window.open("/common/blank.html", "matchesastring"); | ||
| }); | ||
| </script> |