1 files changed, 26 insertions, 0 deletions
diff --git a/dom/worklet/tests/common.js b/dom/worklet/tests/common.js
new file mode 100644
index 0000000000..3841a5f73b
--- /dev/null
+++ b/dom/worklet/tests/common.js
@@ -0,0 +1,26 @@
+window.onload = async function () {
+  // We are the parent. Let's load the test.
+  if (parent == this || !location.search.includes("worklet_iframe")) {
+    SimpleTest.waitForExplicitFinish();
+
+    // configureTest is optional
+    if (window.configureTest) {
+      await window.configureTest();
+    }
+
+    var iframe = document.createElement("iframe");
+    iframe.src = location.href + "?worklet_iframe";
+    document.body.appendChild(iframe);
+
+    return;
+  }
+
+  // Here we are in the iframe.
+  window.SimpleTest = parent.SimpleTest;
+  window.is = parent.is;
+  window.isnot = parent.isnot;
+  window.ok = parent.ok;
+  window.info = parent.info;
+
+  runTestInIframe();
+};