async_test(t => { const frame = document.body.appendChild(document.createElement("iframe")); frame.src = "support/document-with-embedded-svg.html"; const elements = { "embed": ["getSVGDocument"], "frame": ["contentDocument"], "iframe": ["getSVGDocument", "contentDocument"], "object": ["getSVGDocument", "contentDocument"] }; function assert_apis(instance) { const name = instance.localName; let priorPossibleDocument = null; elements[name].forEach(api => { const possibleDocument = api == "getSVGDocument" ? instance[api]() : instance[api]; assert_not_equals(possibleDocument, null, `${name}.${api}`); // This needs standardizing still // assert_class_string(possibleDocument, "XMLDocument"); // Ensure getSVGDocument() and contentDocument if both available return the same if (priorPossibleDocument === null) { priorPossibleDocument = possibleDocument; } else { assert_equals(priorPossibleDocument, possibleDocument); } }); } frame.onload = t.step_func_done(() => { const instances = Object.keys(elements).map(element => frame.contentDocument.querySelector(element)); // Everything is same origin and same origin-domain, no sweat instances.forEach(instance => assert_apis(instance)); // Make the current settings object cross origin-domain (SVG and its container are not affected) document.domain = document.domain; assert_equals(frame.contentDocument, null); instances.forEach(instance => assert_apis(instance)); }); document.body.appendChild(frame); }, "Test embed/frame/iframe/object nested document APIs for same origin-domain and cross origin-domain current settings object");