1 files changed, 54 insertions, 0 deletions
diff --git a/dom/u2f/tests/frame_utils.js b/dom/u2f/tests/frame_utils.js
new file mode 100644
index 0000000000..b033b84094
--- /dev/null
+++ b/dom/u2f/tests/frame_utils.js
@@ -0,0 +1,54 @@
+// Utilities to help talk between the frame_ iframe documents and the parent
+// tests.
+
+var _parentOrigin = "https://example.com/";
+
+function local_setParentOrigin(aOrigin) {
+  _parentOrigin = aOrigin;
+}
+
+function handleEventMessage(event) {
+  if ("test" in event.data) {
+    let summary = event.data.test + ": " + event.data.msg;
+    ok(event.data.status, summary);
+  } else if ("done" in event.data) {
+    SimpleTest.finish();
+  } else {
+    ok(false, "Unexpected message in the test harness: " + event.data);
+  }
+}
+
+function local_is(value, expected, message) {
+  if (value === expected) {
+    local_ok(true, message);
+  } else {
+    local_ok(false, message + " unexpectedly: " + value + " !== " + expected);
+  }
+}
+
+function local_isnot(value, expected, message) {
+  if (value !== expected) {
+    local_ok(true, message);
+  } else {
+    local_ok(false, message + " unexpectedly: " + value + " === " + expected);
+  }
+}
+
+function local_ok(expression, message) {
+  let body = { test: this.location.pathname, status: expression, msg: message };
+  parent.postMessage(body, _parentOrigin);
+}
+
+function local_doesThrow(fn, name) {
+  let gotException = false;
+  try {
+    fn();
+  } catch (ex) {
+    gotException = true;
+  }
+  local_ok(gotException, name);
+}
+
+function local_finished() {
+  parent.postMessage({ done: true }, _parentOrigin);
+}