| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.contentDocument.close()); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| frame.contentDocument.open(); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.close(); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| }, "document.open() sets document to no-quirks mode (write no doctype)"); |
| |
| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.contentDocument.close()); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| frame.contentDocument.open(); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.write("<!doctype html public"); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.write(" \"-//IETF//DTD HTML 3//\""); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.write(">"); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| frame.contentDocument.close(); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| }, "document.open() sets document to no-quirks mode (write old doctype)"); |
| |
| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.contentDocument.close()); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| frame.contentDocument.open(); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.write("<!doctype html"); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.write(">"); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| frame.contentDocument.close(); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| }, "document.open() sets document to no-quirks mode (write new doctype)"); |
| |
| // This tests the document.open() call in fact sets the document to no-quirks |
| // mode, not limited-quirks mode. It is derived from |
| // quirks/blocks-ignore-line-height.html in WPT, as there is no direct way to |
| // distinguish between a no-quirks document and a limited-quirks document. It |
| // assumes that the user agent passes the linked test, which at the time of |
| // writing is all major web browsers. |
| test(t => { |
| const frame = document.body.appendChild(document.createElement("iframe")); |
| t.add_cleanup(() => frame.contentDocument.close()); |
| assert_equals(frame.contentDocument.compatMode, "BackCompat"); |
| frame.contentDocument.open(); |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| |
| // Create the DOM tree manually rather than going through document.write() to |
| // bypass the parser, which resets the document mode. |
| const html = frame.contentDocument.appendChild(frame.contentDocument.createElement("html")); |
| const body = html.appendChild(frame.contentDocument.createElement("body")); |
| assert_equals(frame.contentDocument.body, body); |
| body.innerHTML = ` |
| <style>#ref { display:block }</style> |
| <div id=test><font size=1>x</font></div> |
| <font id=ref size=1>x</font> |
| <div id=s_ref>x</div> |
| `; |
| assert_equals(frame.contentDocument.compatMode, "CSS1Compat"); |
| |
| const idTest = frame.contentDocument.getElementById("test"); |
| const idRef = frame.contentDocument.getElementById("ref"); |
| const idSRef = frame.contentDocument.getElementById("s_ref"); |
| assert_equals(frame.contentWindow.getComputedStyle(idTest).height, |
| frame.contentWindow.getComputedStyle(idSRef).height); |
| assert_not_equals(frame.contentWindow.getComputedStyle(idTest).height, |
| frame.contentWindow.getComputedStyle(idRef).height); |
| }, "document.open() sets document to no-quirks mode, not limited-quirks mode"); |
