diff -r 000000000000 -r 6474c204b198 dom/telephony/test/marionette/test_crash_emulator.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/telephony/test/marionette/test_crash_emulator.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 60000;
+MARIONETTE_HEAD_JS = 'head.js';
+
+let outNumber = "5555551111";
+let outgoingCall;
+
+function dial() {
+  log("Make an outgoing call.");
+  telephony.dial(outNumber).then(call => {
+    outgoingCall = call;
+    outgoingCall.onalerting = function onalerting(event) {
+      log("Received 'alerting' call event.");
+      answer();
+    };
+  });
+}
+
+function answer() {
+  log("Answering the outgoing call.");
+
+  outgoingCall.onconnected = function onconnectedOut(event) {
+    log("Received 'connected' call event for the original outgoing call.");
+    // just some code to keep call active for awhile
+    callStartTime = Date.now();
+    waitFor(cleanUp,function() {
+      callDuration = Date.now() - callStartTime;
+      log("Waiting while call is active, call duration (ms): " + callDuration);
+      return(callDuration >= 2000);
+    });
+  };
+  emulator.run("gsm accept " + outNumber);
+}
+
+function cleanUp(){
+  outgoingCall.hangUp();
+  ok("passed");
+  finish();
+}
+
+startTest(function() {
+  dial();
+});