HTML: getSVGDocument() / contentDocument

For whatwg/html#5094.

html/semantics/embedded-content/the-iframe-element/cross-origin-to-whom.window.js

@@ -0,0 +1,40 @@
+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 assertReason = `${name}[${api}]`;
+ let possibleDocument = null;
+ if (api == "getSVGDocument") {
+ possibleDocument = instance[api]();
+ } else {
+ possibleDocument = 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));
+ instances.forEach(instance => assert_apis(instance));
+ document.domain = document.domain;
+ instances.forEach(instance => assert_apis(instance));
+ });
+ document.body.appendChild(frame);
+}, "Test embed/frame/iframe/object nested document APIs for same-origin and cross-origin");

html/semantics/embedded-content/the-iframe-element/support/document-with-embedded-svg.html

@@ -0,0 +1,10 @@
+.<script>
+["embed", "frame", "iframe", "object"].forEach(name => {
+ const frame = document.body.appendChild(document.createElement(name));
+ let attr = "src";
+ if (name === "object") {
+ attr = "data";
+ }
+ frame[attr] = "svg.svg";
+});
+</script>