1 files changed, 44 insertions, 0 deletions
diff --git a/testing/marionette/actors/MarionetteReftestParent.jsm b/testing/marionette/actors/MarionetteReftestParent.jsm
new file mode 100644
index 0000000000..6a1a2187d8
--- /dev/null
+++ b/testing/marionette/actors/MarionetteReftestParent.jsm
@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+("use strict");
+
+const EXPORTED_SYMBOLS = ["MarionetteReftestParent"];
+
+/**
+ * Parent JSWindowActor to handle navigation for reftests relying on marionette.
+ */
+class MarionetteReftestParent extends JSWindowActorParent {
+  /**
+   * Wait for the expected URL to be loaded.
+   *
+   * @param {String} url
+   *        The expected url.
+   * @param {Boolean} useRemote
+   *        True if tests are running with e10s.
+   * @return {Boolean} true if the page is fully loaded with the expected url,
+   *         false otherwise.
+   */
+  async reftestWait(url, useRemote) {
+    try {
+      const isCorrectUrl = await this.sendQuery(
+        "MarionetteReftestParent:reftestWait",
+        {
+          url,
+          useRemote,
+        }
+      );
+      return isCorrectUrl;
+    } catch (e) {
+      if (e.name === "AbortError") {
+        // If the query is aborted, the window global is being destroyed, most
+        // likely because a navigation happened.
+        return false;
+      }
+
+      // Other errors should not be swallowed.
+      throw e;
+    }
+  }
+}