1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js b/testing/web-platform/tests/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js
new file mode 100644
index 0000000000..3b93b498a2
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/origin/cross-origin-objects/cross-origin-objects-function-common.js
@@ -0,0 +1,34 @@
+"use strict";
+
+const crossOriginWindowMethods = [
+    {key: "close", length: 0},
+    {key: "focus", length: 0},
+    {key: "blur", length: 0},
+    {key: "postMessage", length: 1},
+];
+
+const crossOriginWindowAccessors = [
+    "window",
+    "self",
+    "location",
+    "closed",
+    "frames",
+    "length",
+    "top",
+    "opener",
+    "parent",
+].map(key => ({key}));
+
+const makeCrossOriginWindow = t => {
+    const iframe = document.createElement("iframe");
+    const path = location.pathname.slice(0, location.pathname.lastIndexOf("/")) + "/frame.html";
+    iframe.src = get_host_info().HTTP_REMOTE_ORIGIN + path;
+
+    return new Promise((resolve, reject) => {
+        iframe.onload = () => { resolve(iframe.contentWindow); };
+        iframe.onerror = reject;
+
+        document.body.append(iframe);
+        t.add_cleanup(() => { iframe.remove(); });
+    });
+};