Bug 780558 - B2G RIL: expose cell LAC/CID - Part 3: marionette test, r=philikon

dom/network/tests/marionette/test_mobile_voice_state.js

@@ -17,6 +17,12 @@ function setEmulatorVoiceState(state) {
   });
 }
 
+function setEmulatorGsmLocation(lac, cid) {
+  runEmulatorCmd("gsm location " + lac + " " + cid, function (result) {
+    is(result[0], "OK");
+  });
+}
+
 function testConnectionInfo() {
   let voice = connection.voice;
   is(voice.connected, true);
@@ -24,7 +30,31 @@ function testConnectionInfo() {
   is(voice.emergencyCallsOnly, false);
   is(voice.roaming, false);
 
-  testUnregistered();
+  testCellLocation();
+}
+
+function testCellLocation() {
+  let voice = connection.voice;
+
+  // Emulator always reports valid lac/cid value because its AT command parser
+  // insists valid value for every complete response. See source file
+  // hardare/ril/reference-ril/at_tok.c, function at_tok_nexthexint().
+  ok(voice.cell, "location available");
+
+  // Initial LAC/CID. Android emulator initializes both value to -1.
+  is(voice.cell.gsmLocationAreaCode, 65535);
+  is(voice.cell.gsmCellId, 268435455);
+
+  connection.addEventListener("voicechange", function onvoicechange() {
+    connection.removeEventListener("voicechange", onvoicechange);
+
+    is(voice.cell.gsmLocationAreaCode, 100);
+    is(voice.cell.gsmCellId, 100);
+
+    testUnregistered();
+  });
+
+  setEmulatorGsmLocation(100, 100);
 }
 
 function testUnregistered() {