diff -r 000000000000 -r 6474c204b198 build/mobile/robocop/Assert.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/mobile/robocop/Assert.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+/* 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/. */
+
+package org.mozilla.gecko;
+
+public interface Assert {
+    void dumpLog(String message);
+    void dumpLog(String message, Throwable t);
+    void setLogFile(String filename);
+    void setTestName(String testName);
+    void endTest();
+
+    void ok(boolean condition, String name, String diag);
+    void is(Object actual, Object expected, String name);
+    void isnot(Object actual, Object notExpected, String name);
+    void todo(boolean condition, String name, String diag);
+    void todo_is(Object actual, Object expected, String name);
+    void todo_isnot(Object actual, Object notExpected, String name);
+    void info(String name, String message);
+
+    // robocop-specific asserts
+    void ispixel(int actual, int r, int g, int b, String name);
+    void isnotpixel(int actual, int r, int g, int b, String name);
+}