// document.open() bails out early if there is an active parser with non-zero // script nesting level or if a load was aborted while there was an active // parser. window.stop() aborts the current parser, so once it has been called // while a parser is active, document.open() will no longer do anything to that // document, window.handlers = {}; async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.src = "resources/aborted-parser-frame.html"; window.handlers.afterOpen = t.step_func_done(() => { const openCalled = frame.contentDocument.childNodes.length === 0; assert_false(openCalled, "child document should not be empty"); assert_equals(frame.contentDocument.querySelector("p").textContent, "Text", "Should still have our paragraph"); }); }, "document.open() after parser is aborted"); async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); t.add_cleanup(() => frame.remove()); frame.src = "resources/aborted-parser-async-frame.html"; window.handlers.afterOpenAsync = t.step_func_done(() => { const openCalled = frame.contentDocument.childNodes.length === 0; assert_false(openCalled, "child document should not be empty"); assert_equals(frame.contentDocument.querySelector("p").textContent, "Text", "Should still have our paragraph"); }); }, "async document.open() after parser is aborted");