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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Vibrator</title>
  <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>

<!-- Although we can't test that the vibrator works properly, we can test that
     navigator.vibrate throws an exception where appropriate. -->

<script class="testbody" type="text/javascript;version=1.7">
SimpleTest.waitForExplicitFinish();
var result;
function expectFailure(param) {
  result = navigator.vibrate(param);
  is(result, false, 'vibrate(' + param + ') should have failed.');
}

function expectSuccess(param) {
  result = navigator.vibrate(param);
  is(result, true, 'vibrate(' + param + ') must succeed.');
}

function tests(aEnabled) {
  // Some edge cases that the bindings should handle for us.
  expectSuccess(null);
  expectSuccess(undefined);
  // -1 will be converted to the highest unsigned long then clamped.
  expectSuccess(-1);
  expectSuccess('a');
  // -1 will be converted to the highest unsigned long then clamped.
  expectSuccess([100, -1]);
  expectSuccess([100, 'a']);

  var maxVibrateMs = SpecialPowers.getIntPref('dom.vibrator.max_vibrate_ms');
  var maxVibrateListLen = SpecialPowers.getIntPref('dom.vibrator.max_vibrate_list_len');

  // If we pass a vibration pattern with a value higher than max_vibrate_ms or a
  // pattern longer than max_vibrate_list_len, the call should succeed but the
  // pattern should be modified to match the restrictions.

  // Values will be clamped to dom.vibrator.max_vibrate_ms.
  expectSuccess(maxVibrateMs + 1);
  expectSuccess([maxVibrateMs + 1]);

  var arr = [];
  for (var i = 0; i < maxVibrateListLen + 1; i++) {
    arr[i] = 0;
  }
  // The array will be truncated to have a length equal to dom.vibrator.max_vibrate_list_len.
  expectSuccess(arr);


  expectSuccess(0);
  expectSuccess([]);
  expectSuccess('1000');
  expectSuccess(1000);
  expectSuccess(1000.1);
  expectSuccess([0, 0, 0]);
  expectSuccess(['1000', 1000]);
  expectSuccess([1000, 1000]);
  expectSuccess([1000, 1000.1]);

  // The following loop shouldn't cause us to crash.  See bug 701716.
  for (var i = 0; i < 10000; i++) {
    navigator.vibrate([100, 100]);
  }
  ok(true, "Didn't crash after issuing a lot of vibrate() calls.");
  if(!aEnabled)
    SimpleTest.finish();
}

SpecialPowers.pushPermissions([
    {type: 'vibration', allow: true, context: document}
  ], function() {
    // Test with the vibrator pref enabled.
    SpecialPowers.pushPrefEnv({"set": [['dom.vibrator.enabled', true]]}, function() {
      tests(true);
      SpecialPowers.pushPrefEnv({"set": [['dom.vibrator.enabled', false]]}, tests(false));
    });
    // Everything should be the same when the vibrator is disabled -- in
    // particular, a disabled vibrator shouldn't eat failures we'd otherwise
    // observe.
  }
);

</script>
</body>

</html>