Bug 813596: add marionette test cases, r=hsinyi

2024-12-04 11:26:09 +00:00 · 2013-01-14 17:05:26 +08:00 · 2013-01-14 17:05:26 +08:00 · 638331fc5e
commit 638331fc5e
parent fbe06ae2fa
5 changed files with 748 additions and 0 deletions
--- a/dom/cellbroadcast/Makefile.in
+++ b/dom/cellbroadcast/Makefile.in
@ -13,4 +13,6 @@ include $(DEPTH)/config/autoconf.mk

 PARALLEL_DIRS = interfaces src

+TEST_DIRS += tests
+
 include $(topsrcdir)/config/rules.mk
--- a/dom/cellbroadcast/tests/Makefile.in
+++ b/dom/cellbroadcast/tests/Makefile.in
@ -0,0 +1,17 @@
+# 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/.
+
+DEPTH            = @DEPTH@
+topsrcdir        = @top_srcdir@
+srcdir           = @srcdir@
+VPATH            = @srcdir@
+
+relativesrcdir   = @relativesrcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+DIRS = \
+  $(NULL)
+
+include $(topsrcdir)/config/rules.mk
--- a/dom/cellbroadcast/tests/marionette/manifest.ini
+++ b/dom/cellbroadcast/tests/marionette/manifest.ini
@ -0,0 +1,7 @@
+[DEFAULT]
+b2g = true
+browser = false
+qemu = true
+
+[test_cellbroadcast_etws.js]
+[test_cellbroadcast_gsm.js]
--- a/dom/cellbroadcast/tests/marionette/test_cellbroadcast_etws.js
+++ b/dom/cellbroadcast/tests/marionette/test_cellbroadcast_etws.js
@ -0,0 +1,264 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 10000;
+
+const CB_MESSAGE_SIZE_ETWS = 56;
+
+const CB_GSM_GEOGRAPHICAL_SCOPE_NAMES = [
+  "cell-immediate",
+  "plmn",
+  "location-area",
+  "cell"
+];
+
+const CB_ETWS_WARNING_TYPE_NAMES = [
+  "earthquake",
+  "tsunami",
+  "earthquake-tsunami",
+  "test",
+  "other"
+];
+
+SpecialPowers.addPermission("cellbroadcast", true, document);
+SpecialPowers.addPermission("mobileconnection", true, document);
+
+let cbs = window.navigator.mozCellBroadcast;
+ok(cbs instanceof MozCellBroadcast,
+   "mozCellBroadcast is instanceof " + cbs.constructor);
+
+let pendingEmulatorCmdCount = 0;
+function sendCellBroadcastMessage(pdu, callback) {
+  pendingEmulatorCmdCount++;
+
+  let cmd = "cbs pdu " + pdu;
+  runEmulatorCmd(cmd, function (result) {
+    pendingEmulatorCmdCount--;
+
+    is(result[0], "OK", "Emulator response");
+
+    if (callback) {
+      window.setTimeout(callback, 0);
+    }
+  });
+}
+
+function buildHexStr(n, numSemiOctets) {
+  let str = n.toString(16);
+  ok(str.length <= numSemiOctets);
+  while (str.length < numSemiOctets) {
+    str = "0" + str;
+  }
+  return str;
+}
+
+function seq(end, begin) {
+  let result = [];
+  for (let i = begin || 0; i < end; i++) {
+    result.push(i);
+  }
+  return result;
+}
+
+function repeat(func, array, oncomplete) {
+  (function do_call(index) {
+    let next = index < (array.length - 1) ? do_call.bind(null, index + 1) : oncomplete;
+    func.apply(null, [array[index], next]);
+  })(0);
+}
+
+function doTestHelper(pdu, nextTest, checkFunc) {
+  cbs.addEventListener("received", function onreceived(event) {
+    cbs.removeEventListener("received", onreceived);
+
+    checkFunc(event.message);
+
+    window.setTimeout(nextTest, 0);
+  });
+
+  if (Array.isArray(pdu)) {
+    repeat(sendCellBroadcastMessage, pdu);
+  } else {
+    sendCellBroadcastMessage(pdu);
+  }
+}
+
+/**
+ * Tests receiving Cell Broadcast messages, event instance type, all attributes
+ * of CellBroadcastMessage exist.
+ */
+function testEtwsMessageAttributes() {
+  log("Test ETWS Primary Notification message attributes");
+
+  cbs.addEventListener("received", function onreceived(event) {
+    cbs.removeEventListener("received", onreceived);
+
+    ok(event, "event is valid");
+
+    let message = event.message;
+    ok(message, "event.message is valid");
+
+    // Attributes other than `language` and `body` should always be assigned.
+    ok(message.geographicalScope != null, "message.geographicalScope");
+    ok(message.messageCode != null, "message.messageCode");
+    ok(message.messageId != null, "message.messageId");
+    ok('language' in message, "message.language");
+    ok(message.language == null, "message.language");
+    ok('body' in message, "message.body");
+    ok(message.body == null, "message.body");
+    is(message.messageClass, "normal", "message.messageClass");
+    ok(message.timestamp != null, "message.timestamp");
+    ok(message.etws != null, "message.etws");
+    ok(message.etws.warningType != null, "message.etws.warningType");
+    ok(message.etws.emergencyUserAlert != null,
+       "message.etws.emergencyUserAlert");
+    ok(message.etws.popup != null, "message.etws.popup");
+
+    window.setTimeout(testReceiving_ETWS_GeographicalScope, 0);
+  });
+
+  // Here we use a simple ETWS message for test.
+  let pdu = buildHexStr(0, CB_MESSAGE_SIZE_ETWS * 2); // 6 octets
+  sendCellBroadcastMessage(pdu);
+}
+
+function testReceiving_ETWS_GeographicalScope() {
+  log("Test receiving ETWS Primary Notification - Geographical Scope");
+
+  function do_test(gs, nextTest) {
+    // Here we use a simple ETWS message for test.
+    let pdu = buildHexStr(((gs & 0x03) << 14), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_ETWS - 2) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.geographicalScope, CB_GSM_GEOGRAPHICAL_SCOPE_NAMES[gs],
+         "message.geographicalScope");
+    });
+  }
+
+  repeat(do_test, seq(CB_GSM_GEOGRAPHICAL_SCOPE_NAMES.length),
+         testReceiving_ETWS_MessageCode);
+}
+
+function testReceiving_ETWS_MessageCode() {
+  log("Test receiving ETWS Primary Notification - Message Code");
+
+  // Message Code has 10 bits, and is ORed into a 16 bits 'serial' number. Here
+  // we test every single bit to verify the operation doesn't go wrong.
+  let messageCodesToTest = [
+    0x000, 0x001, 0x002, 0x004, 0x008, 0x010, 0x020, 0x040,
+    0x080, 0x100, 0x200, 0x251
+  ];
+
+  function do_test(messageCode, nextTest) {
+    let pdu = buildHexStr(((messageCode & 0x3FF) << 4), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_ETWS - 2) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.messageCode, messageCode, "message.messageCode");
+    });
+  }
+
+  repeat(do_test, messageCodesToTest, testReceiving_ETWS_MessageId);
+}
+
+function testReceiving_ETWS_MessageId() {
+  log("Test receiving ETWS Primary Notification - Message Identifier");
+
+  // Message Identifier has 16 bits, but no bitwise operation is needed.
+  // Test some selected values only.
+  let messageIdsToTest = [
+    0x0000, 0x0001, 0x0010, 0x0100, 0x1000, 0x1111, 0x8888, 0x8811
+  ];
+
+  function do_test(messageId, nextTest) {
+    let pdu = buildHexStr(0, 4)
+            + buildHexStr((messageId & 0xFFFF), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_ETWS - 4) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.messageId, messageId, "message.messageId");
+    });
+  }
+
+  repeat(do_test, messageIdsToTest, testReceiving_ETWS_Timestamp);
+}
+
+function testReceiving_ETWS_Timestamp() {
+  log("Test receiving ETWS Primary Notification - Timestamp");
+
+  // Here we use a simple ETWS message for test.
+  let pdu = buildHexStr(0, 12); // 6 octets
+  doTestHelper(pdu, testReceiving_ETWS_WarningType, function (message) {
+    // Cell Broadcast messages do not contain a timestamp field (however, ETWS
+    // does). We only check the timestamp doesn't go too far (60 seconds) here.
+    let msMessage = message.timestamp.getTime();
+    let msNow = Date.now();
+    ok(Math.abs(msMessage - msNow) < (1000 * 60), "message.timestamp");
+  });
+}
+
+function testReceiving_ETWS_WarningType() {
+  log("Test receiving ETWS Primary Notification - Warning Type");
+
+  // Warning Type has 7 bits, and is ORed into a 16 bits 'WarningType' field.
+  // Here we test every single bit to verify the operation doesn't go wrong.
+  let warningTypesToTest = [
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x08, 0x10, 0x20, 0x40, 0x41
+  ];
+
+  function do_test(warningType, nextTest) {
+    let pdu = buildHexStr(0, 8)
+            + buildHexStr(((warningType & 0x7F) << 9), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_ETWS - 6) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      ok(message.etws, "message.etws");
+      is(message.etws.warningType, CB_ETWS_WARNING_TYPE_NAMES[warningType],
+         "message.etws.warningType");
+    });
+  }
+
+  repeat(do_test, warningTypesToTest, testReceiving_ETWS_EmergencyUserAlert);
+}
+
+function doTestEmergencyUserAlert_or_Popup(name, mask, nextTest) {
+  let pdu = buildHexStr(0, 8)
+          + buildHexStr(mask, 4)
+          + buildHexStr(0, (CB_MESSAGE_SIZE_ETWS - 6) * 2);
+  doTestHelper(pdu, nextTest, function (message) {
+    ok(message.etws != null, "message.etws");
+    is(message.etws[name], mask != 0, "message.etws." + name);
+  });
+}
+
+function testReceiving_ETWS_EmergencyUserAlert() {
+  log("Test receiving ETWS Primary Notification - Emergency User Alert");
+
+  repeat(doTestEmergencyUserAlert_or_Popup.bind(null, "emergencyUserAlert"),
+         [0x100, 0x000], testReceiving_ETWS_Popup);
+}
+
+function testReceiving_ETWS_Popup() {
+  log("Test receiving ETWS Primary Notification - Popup");
+
+  repeat(doTestEmergencyUserAlert_or_Popup.bind(null, "popup"),
+         [0x80, 0x000], cleanUp);
+}
+
+function cleanUp() {
+  if (pendingEmulatorCmdCount > 0) {
+    window.setTimeout(cleanUp, 100);
+    return;
+  }
+
+  SpecialPowers.removePermission("mobileconnection", document);
+  SpecialPowers.removePermission("cellbroadcast", true, document);
+
+  finish();
+}
+
+waitFor(testEtwsMessageAttributes, function () {
+  return navigator.mozMobileConnection.voice.connected;
+});
+
--- a/dom/cellbroadcast/tests/marionette/test_cellbroadcast_gsm.js
+++ b/dom/cellbroadcast/tests/marionette/test_cellbroadcast_gsm.js
@ -0,0 +1,458 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+MARIONETTE_TIMEOUT = 30000;
+
+const PDU_DCS_CODING_GROUP_BITS          = 0xF0;
+const PDU_DCS_MSG_CODING_7BITS_ALPHABET  = 0x00;
+const PDU_DCS_MSG_CODING_8BITS_ALPHABET  = 0x04;
+const PDU_DCS_MSG_CODING_16BITS_ALPHABET = 0x08;
+
+const PDU_DCS_MSG_CLASS_BITS             = 0x03;
+const PDU_DCS_MSG_CLASS_NORMAL           = 0xFF;
+const PDU_DCS_MSG_CLASS_0                = 0x00;
+const PDU_DCS_MSG_CLASS_ME_SPECIFIC      = 0x01;
+const PDU_DCS_MSG_CLASS_SIM_SPECIFIC     = 0x02;
+const PDU_DCS_MSG_CLASS_TE_SPECIFIC      = 0x03;
+const PDU_DCS_MSG_CLASS_USER_1           = 0x04;
+const PDU_DCS_MSG_CLASS_USER_2           = 0x05;
+
+const GECKO_SMS_MESSAGE_CLASSES = {};
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_NORMAL]       = "normal";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_0]            = "class-0";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_ME_SPECIFIC]  = "class-1";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_SIM_SPECIFIC] = "class-2";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_TE_SPECIFIC]  = "class-3";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_USER_1]       = "user-1";
+GECKO_SMS_MESSAGE_CLASSES[PDU_DCS_MSG_CLASS_USER_2]       = "user-2";
+
+const CB_MESSAGE_SIZE_GSM  = 88;
+
+const CB_GSM_MESSAGEID_ETWS_BEGIN = 0x1100;
+const CB_GSM_MESSAGEID_ETWS_END   = 0x1107;
+
+const CB_GSM_GEOGRAPHICAL_SCOPE_NAMES = [
+  "cell-immediate",
+  "plmn",
+  "location-area",
+  "cell"
+];
+
+const CB_ETWS_WARNING_TYPE_NAMES = [
+  "earthquake",
+  "tsunami",
+  "earthquake-tsunami",
+  "test",
+  "other"
+];
+
+const CB_DCS_LANG_GROUP_1 = [
+  "de", "en", "it", "fr", "es", "nl", "sv", "da", "pt", "fi",
+  "no", "el", "tr", "hu", "pl", null
+];
+const CB_DCS_LANG_GROUP_2 = [
+  "cs", "he", "ar", "ru", "is", null, null, null, null, null,
+  null, null, null, null, null, null
+];
+
+const CB_MAX_CONTENT_7BIT = Math.floor((CB_MESSAGE_SIZE_GSM - 6) * 8 / 7);
+const CB_MAX_CONTENT_UCS2 = Math.floor((CB_MESSAGE_SIZE_GSM - 6) / 2);
+
+const BODY_7BITS = "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"
+                 + "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"
+                 + "@@@@@@@@@@@@@"; // 93 ascii chars.
+const BODY_7BITS_IND = BODY_7BITS.substr(3);
+const BODY_UCS2 = "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
+                + "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
+                + "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
+                + "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
+                + "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000"
+                + "\u0000"; // 41 unicode chars.
+const BODY_UCS2_IND = BODY_UCS2.substr(1);
+
+SpecialPowers.addPermission("cellbroadcast", true, document);
+SpecialPowers.addPermission("mobileconnection", true, document);
+
+is(BODY_7BITS.length,     CB_MAX_CONTENT_7BIT,     "BODY_7BITS.length");
+is(BODY_7BITS_IND.length, CB_MAX_CONTENT_7BIT - 3, "BODY_7BITS_IND.length");
+is(BODY_UCS2.length,      CB_MAX_CONTENT_UCS2,     "BODY_UCS2.length");
+is(BODY_UCS2_IND.length,  CB_MAX_CONTENT_UCS2 - 1, "BODY_UCS2_IND.length")
+
+let cbs = window.navigator.mozCellBroadcast;
+ok(cbs instanceof MozCellBroadcast,
+   "mozCellBroadcast is instanceof " + cbs.constructor);
+
+let pendingEmulatorCmdCount = 0;
+function sendCellBroadcastMessage(pdu, callback) {
+  pendingEmulatorCmdCount++;
+
+  let cmd = "cbs pdu " + pdu;
+  runEmulatorCmd(cmd, function (result) {
+    pendingEmulatorCmdCount--;
+
+    is(result[0], "OK", "Emulator response");
+
+    if (callback) {
+      window.setTimeout(callback, 0);
+    }
+  });
+}
+
+function buildHexStr(n, numSemiOctets) {
+  let str = n.toString(16);
+  ok(str.length <= numSemiOctets);
+  while (str.length < numSemiOctets) {
+    str = "0" + str;
+  }
+  return str;
+}
+
+function seq(end, begin) {
+  let result = [];
+  for (let i = begin || 0; i < end; i++) {
+    result.push(i);
+  }
+  return result;
+}
+
+function repeat(func, array, oncomplete) {
+  (function do_call(index) {
+    let next = index < (array.length - 1) ? do_call.bind(null, index + 1) : oncomplete;
+    func.apply(null, [array[index], next]);
+  })(0);
+}
+
+function doTestHelper(pdu, nextTest, checkFunc) {
+  cbs.addEventListener("received", function onreceived(event) {
+    cbs.removeEventListener("received", onreceived);
+
+    checkFunc(event.message);
+
+    window.setTimeout(nextTest, 0);
+  });
+
+  if (Array.isArray(pdu)) {
+    repeat(sendCellBroadcastMessage, pdu);
+  } else {
+    sendCellBroadcastMessage(pdu);
+  }
+}
+
+/**
+ * Tests receiving Cell Broadcast messages, event instance type, all attributes
+ * of CellBroadcastMessage exist.
+ */
+function testGsmMessageAttributes() {
+  log("Test GSM Cell Broadcast message attributes");
+
+  cbs.addEventListener("received", function onreceived(event) {
+    cbs.removeEventListener("received", onreceived);
+
+    ok(event, "event is valid");
+
+    let message = event.message;
+    ok(message, "event.message is valid");
+
+    // Attributes other than `language` and `body` should always be assigned.
+    ok(message.geographicalScope != null, "message.geographicalScope");
+    ok(message.messageCode != null, "message.messageCode");
+    ok(message.messageId != null, "message.messageId");
+    ok(message.language != null, "message.language");
+    ok(message.body != null, "message.body");
+    ok(message.messageClass != null, "message.messageClass");
+    ok(message.timestamp != null, "message.timestamp");
+    ok('etws' in message, "message.etws");
+    if (message.etws) {
+      ok('warningType' in message.etws, "message.etws.warningType");
+      ok(message.etws.emergencyUserAlert != null, "message.etws.emergencyUserAlert");
+      ok(message.etws.popup != null, "message.etws.popup");
+    }
+
+    window.setTimeout(testReceiving_GSM_GeographicalScope, 0);
+  });
+
+  // Here we use a simple GSM message for test.
+  let pdu = buildHexStr(0, CB_MESSAGE_SIZE_GSM * 2);
+  sendCellBroadcastMessage(pdu);
+}
+
+function testReceiving_GSM_GeographicalScope() {
+  log("Test receiving GSM Cell Broadcast - Geographical Scope");
+
+  function do_test(gs, nextTest) {
+    let pdu = buildHexStr(((gs & 0x03) << 14), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 2) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.geographicalScope, CB_GSM_GEOGRAPHICAL_SCOPE_NAMES[gs],
+         "message.geographicalScope");
+    });
+  }
+
+  repeat(do_test, seq(CB_GSM_GEOGRAPHICAL_SCOPE_NAMES.length),
+         testReceiving_GSM_MessageCode);
+}
+
+function testReceiving_GSM_MessageCode() {
+  log("Test receiving GSM Cell Broadcast - Message Code");
+
+  // Message Code has 10 bits, and is ORed into a 16 bits 'serial' number. Here
+  // we test every single bit to verify the operation doesn't go wrong.
+  let messageCodesToTest = [
+    0x000, 0x001, 0x002, 0x004, 0x008, 0x010, 0x020, 0x040,
+    0x080, 0x100, 0x200, 0x251
+  ];
+
+  function do_test(messageCode, nextTest) {
+    let pdu = buildHexStr(((messageCode & 0x3FF) << 4), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 2) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.messageCode, messageCode, "message.messageCode");
+    });
+  }
+
+  repeat(do_test, messageCodesToTest, testReceiving_GSM_MessageId);
+}
+
+function testReceiving_GSM_MessageId() {
+  log("Test receiving GSM Cell Broadcast - Message Identifier");
+
+  // Message Identifier has 16 bits, but no bitwise operation is needed.
+  // Test some selected values only.
+  let messageIdsToTest = [
+    0x0000, 0x0001, 0x0010, 0x0100, 0x1000, 0x1111, 0x8888, 0x8811,
+  ];
+
+  function do_test(messageId, nextTest) {
+    let pdu = buildHexStr(0, 4)
+            + buildHexStr((messageId & 0xFFFF), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 4) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.messageId, messageId, "message.messageId");
+      ok(message.etws == null, "message.etws");
+    });
+  }
+
+  repeat(do_test, messageIdsToTest, testReceiving_GSM_Language_and_Body);
+}
+
+// Copied from GsmPDUHelper.readCbDataCodingScheme
+function decodeDataCodingScheme(dcs) {
+  let language = null;
+  let hasLanguageIndicator = false;
+  let encoding = PDU_DCS_MSG_CODING_7BITS_ALPHABET;
+  let messageClass = PDU_DCS_MSG_CLASS_NORMAL;
+
+  switch (dcs & PDU_DCS_CODING_GROUP_BITS) {
+    case 0x00: // 0000
+      language = CB_DCS_LANG_GROUP_1[dcs & 0x0F];
+      break;
+
+    case 0x10: // 0001
+      switch (dcs & 0x0F) {
+        case 0x00:
+          hasLanguageIndicator = true;
+          break;
+        case 0x01:
+          encoding = PDU_DCS_MSG_CODING_16BITS_ALPHABET;
+          hasLanguageIndicator = true;
+          break;
+      }
+      break;
+
+    case 0x20: // 0010
+      language = CB_DCS_LANG_GROUP_2[dcs & 0x0F];
+      break;
+
+    case 0x40: // 01xx
+    case 0x50:
+    //case 0x60:
+    //case 0x70:
+    case 0x90: // 1001
+      encoding = (dcs & 0x0C);
+      if (encoding == 0x0C) {
+        encoding = PDU_DCS_MSG_CODING_7BITS_ALPHABET;
+      }
+      messageClass = (dcs & PDU_DCS_MSG_CLASS_BITS);
+      break;
+
+    case 0xF0:
+      encoding = (dcs & 0x04) ? PDU_DCS_MSG_CODING_8BITS_ALPHABET
+                              : PDU_DCS_MSG_CODING_7BITS_ALPHABET;
+      switch(dcs & PDU_DCS_MSG_CLASS_BITS) {
+        case 0x01: messageClass = PDU_DCS_MSG_CLASS_USER_1; break;
+        case 0x02: messageClass = PDU_DCS_MSG_CLASS_USER_2; break;
+        case 0x03: messageClass = PDU_DCS_MSG_CLASS_TE_SPECIFIC; break;
+      }
+      break;
+
+    case 0x30: // 0011 (Reserved)
+    case 0x80: // 1000 (Reserved)
+    case 0xA0: // 1010..1100 (Reserved)
+    case 0xB0:
+    case 0xC0:
+      break;
+    default:
+      throw new Error("Unsupported CBS data coding scheme: " + dcs);
+  }
+
+  return [encoding, language, hasLanguageIndicator,
+          GECKO_SMS_MESSAGE_CLASSES[messageClass]];
+}
+
+function testReceiving_GSM_Language_and_Body() {
+  log("Test receiving GSM Cell Broadcast - Language & Body");
+
+  function do_test(dcs) {
+    let encoding, language, indicator, messageClass;
+    try {
+      [encoding, language, indicator, messageClass] = decodeDataCodingScheme(dcs);
+    } catch (e) {
+      // Unsupported coding group, skip.
+      let nextGroup = (dcs & PDU_DCS_CODING_GROUP_BITS) + 0x10;
+      window.setTimeout(do_test.bind(null, nextGroup), 0);
+      return;
+    }
+
+    let pdu = buildHexStr(0, 8)
+            + buildHexStr(dcs, 2)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 5) * 2);
+
+    let nextTest = (dcs < 0xFF) ? do_test.bind(null, dcs + 1)
+                                 : testReceiving_GSM_Timestamp;
+    doTestHelper(pdu, nextTest, function (message) {
+      if (language) {
+        is(message.language, language, "message.language");
+      } else if (indicator) {
+        is(message.language, "@@", "message.language");
+      } else {
+        ok(message.language == null, "message.language");
+      }
+
+      switch (encoding) {
+        case PDU_DCS_MSG_CODING_7BITS_ALPHABET:
+          is(message.body, indicator ? BODY_7BITS_IND : BODY_7BITS, "message.body");
+          break;
+        case PDU_DCS_MSG_CODING_8BITS_ALPHABET:
+          ok(message.body == null, "message.body");
+          break;
+        case PDU_DCS_MSG_CODING_16BITS_ALPHABET:
+          is(message.body, indicator ? BODY_UCS2_IND : BODY_UCS2, "message.body");
+          break;
+      }
+
+      is(message.messageClass, messageClass, "message.messageClass");
+    });
+  }
+
+  do_test(0);
+}
+
+function testReceiving_GSM_Timestamp() {
+  log("Test receiving GSM Cell Broadcast - Timestamp");
+
+  let pdu = buildHexStr(0, CB_MESSAGE_SIZE_GSM * 2);
+  doTestHelper(pdu, testReceiving_GSM_WarningType, function (message) {
+    // Cell Broadcast messages do not contain a timestamp field (however, ETWS
+    // does). We only check the timestamp doesn't go too far (60 seconds) here.
+    let msMessage = message.timestamp.getTime();
+    let msNow = Date.now();
+    ok(Math.abs(msMessage - msNow) < (1000 * 60), "message.timestamp");
+  });
+}
+
+function testReceiving_GSM_WarningType() {
+  log("Test receiving GSM Cell Broadcast - Warning Type");
+
+  let messageIdsToTest = [];
+  for (let i = CB_GSM_MESSAGEID_ETWS_BEGIN; i <= CB_GSM_MESSAGEID_ETWS_END; i++) {
+    messageIdsToTest.push(i);
+  }
+
+  function do_test(messageId, nextTest) {
+    let pdu = buildHexStr(0, 4)
+            + buildHexStr((messageId & 0xFFFF), 4)
+            + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 4) * 2);
+
+    doTestHelper(pdu, nextTest, function (message) {
+      is(message.messageId, messageId, "message.messageId");
+      ok(message.etws != null, "message.etws");
+
+      let offset = messageId - CB_GSM_MESSAGEID_ETWS_BEGIN;
+      if (offset < CB_ETWS_WARNING_TYPE_NAMES.length) {
+        is(message.etws.warningType, CB_ETWS_WARNING_TYPE_NAMES[offset],
+           "message.etws.warningType");
+      } else {
+        ok(message.etws.warningType == null, "message.etws.warningType");
+      }
+    });
+  }
+
+  repeat(do_test, messageIdsToTest, testReceiving_GSM_EmergencyUserAlert);
+}
+
+function doTestEmergencyUserAlert_or_Popup(name, mask, nextTest) {
+  let pdu = buildHexStr(mask, 4)
+          + buildHexStr(CB_GSM_MESSAGEID_ETWS_BEGIN, 4)
+          + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 4) * 2);
+
+  doTestHelper(pdu, nextTest, function (message) {
+    is(message.messageId, CB_GSM_MESSAGEID_ETWS_BEGIN, "message.messageId");
+    ok(message.etws != null, "message.etws");
+    is(message.etws[name], mask != 0, "message.etws." + name);
+  });
+}
+
+function testReceiving_GSM_EmergencyUserAlert() {
+  log("Test receiving GSM Cell Broadcast - Emergency User Alert");
+
+  repeat(doTestEmergencyUserAlert_or_Popup.bind(null, "emergencyUserAlert"),
+         [0x2000, 0x0000], testReceiving_GSM_Popup);
+}
+
+function testReceiving_GSM_Popup() {
+  log("Test receiving GSM Cell Broadcast - Popup");
+
+  repeat(doTestEmergencyUserAlert_or_Popup.bind(null, "popup"),
+         [0x1000, 0x0000], testReceiving_GSM_Multipart);
+}
+
+function testReceiving_GSM_Multipart() {
+  log("Test receiving GSM Cell Broadcast - Multipart Messages");
+
+  function do_test(numParts, nextTest) {
+    let pdus = [];
+    for (let i = 1; i <= numParts; i++) {
+      let pdu = buildHexStr(0, 10)
+              + buildHexStr((i << 4) + numParts, 2)
+              + buildHexStr(0, (CB_MESSAGE_SIZE_GSM - 6) * 2);
+      pdus.push(pdu);
+    }
+
+    doTestHelper(pdus, nextTest, function (message) {
+      is(message.body.length, (numParts * CB_MAX_CONTENT_7BIT),
+         "message.body");
+    });
+  }
+
+  repeat(do_test, seq(16, 1), cleanUp);
+}
+
+function cleanUp() {
+  if (pendingEmulatorCmdCount > 0) {
+    window.setTimeout(cleanUp, 100);
+    return;
+  }
+
+  SpecialPowers.removePermission("mobileconnection", document);
+  SpecialPowers.removePermission("cellbroadcast", true, document);
+
+  finish();
+}
+
+waitFor(testGsmMessageAttributes, function () {
+  return navigator.mozMobileConnection.voice.connected;
+});
+