| function assertOpenIsEffective(doc, initialNodeCount) { |
| assert_equals(doc.childNodes.length, initialNodeCount); |
| |
| // Test direct document.open() call. |
| assert_equals(doc.open(), doc); |
| assert_equals(doc.childNodes.length, 0, "after open: no nodes in document"); |
| doc.write("<!DOCTYPE html>"); |
| assert_equals(doc.childNodes.length, 1, "after write: doctype node in document"); |
| doc.close(); |
| assert_equals(doc.childNodes.length, 2, "after parser close: doctype node and an html element in document"); |
| |
| // Test implicit document.open() call through write(). Since we called |
| // doc.close() above, which sets the insertion point of the parser to |
| // undefined, document.write() will run the document open steps. |
| doc.write(); |
| assert_equals(doc.childNodes.length, 0, "after implicit open: no nodes in document"); |
| doc.write("<!DOCTYPE html>"); |
| assert_equals(doc.childNodes.length, 1, "after write: doctype node in document"); |
| doc.close(); |
| assert_equals(doc.childNodes.length, 2, "after parser close: doctype node and an html element in document"); |
| } |
| |
| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.remove()); |
| assertOpenIsEffective(frame.contentDocument, 1); |
| }, "document.open() removes the document's children (fully active document)"); |
| |
| async_test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.remove()); |
| frame.onload = t.step_func(() => { |
| const childFrame = frame.contentDocument.querySelector("iframe"); |
| const childDoc = childFrame.contentDocument; |
| const childWin = childFrame.contentWindow; |
| |
| // Right now childDoc is still fully active. |
| |
| frame.onload = t.step_func_done(() => { |
| // Now childDoc is still active but no longer fully active. |
| assertOpenIsEffective(childDoc, 1); |
| }); |
| frame.src = "/common/blank.html"; |
| }); |
| frame.src = "resources/page-with-frame.html"; |
| }, "document.open() removes the document's children (active but not fully active document)"); |
| |
| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| const doc = frame.contentDocument; |
| |
| // Right now the frame is connected and it has an active document. |
| frame.remove(); |
| |
| // Now the frame is no longer connected. Its document is no longer active. |
| assertOpenIsEffective(doc, 1); |
| }, "document.open() removes the document's children (non-active document with an associated Window object; frame is removed)"); |
| |
| async_test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.remove()); |
| frame.src = "resources/dummy.html"; |
| |
| frame.onload = t.step_func(() => { |
| const firstDocument = frame.contentDocument; |
| // Right now the frame is connected and it has an active document. |
| |
| frame.onload = t.step_func_done(() => { |
| // Now even though the frame is still connected, its document is no |
| // longer active. |
| assert_not_equals(frame.contentDocument, firstDocument); |
| assertOpenIsEffective(firstDocument, 2); |
| }); |
| |
| frame.src = "/common/blank.html"; |
| }); |
| }, "document.open() removes the document's children (non-active document with an associated Window object; navigated away)"); |
| |
| test(t => { |
| const doc = document.implementation.createHTMLDocument(); |
| assertOpenIsEffective(doc, 2); |
| }, "document.open() removes the document's children (non-active document without an associated Window object; createHTMLDocument)"); |
| |
| test(t => { |
| const doc = new DOMParser().parseFromString("", "text/html"); |
| assertOpenIsEffective(doc, 1); |
| }, "document.open() removes the document's children (non-active document without an associated Window object; DOMParser)"); |
| |
| async_test(t => { |
| const xhr = new XMLHttpRequest(); |
| xhr.onload = t.step_func_done(() => { |
| assert_equals(xhr.status, 200); |
| assertOpenIsEffective(xhr.responseXML, 2); |
| }); |
| xhr.responseType = "document"; |
| xhr.open("GET", "resources/dummy.html"); |
| xhr.send(); |
| }, "document.open() removes the document's children (non-active document without an associated Window object; XMLHttpRequest)"); |
