mozilla-release/testing/web-platform/tests/geolocation-API/watchPosition_permission_deny.https.html

<!DOCTYPE HTML>
<meta charset='utf-8'>
<title>Geolocation Test: watchPosition location access denied</title>
<link rel='help' href='http://www.w3.org/TR/geolocation-API/#watch-position'>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src='support.js'></script>

<p>Clear all Geolocation permissions before running this test. If prompted for permission, please deny.</p>
<div id='log'></div>

<script>
// Rewrite http://dev.w3.org/geo/api/test-suite/t.html?00062
var t = async_test('Check that watchPosition returns synchronously before any callbacks are invoked.'),
    id, checkMethodHasReturned, hasMethodReturned = false;

checkMethodHasReturned = t.step_func_done(function() {
  assert_true(hasMethodReturned);
});

try {
  id = geo.watchPosition(checkMethodHasReturned, checkMethodHasReturned);
  hasMethodReturned = true;
} catch(e) {
  t.unreached_func('An exception was thrown unexpectedly: ' + e.message);
}

// Rewrite http://dev.w3.org/geo/api/test-suite/t.html?00151
test(function() {
  assert_greater_than_equal(id, -2147483648);
  assert_less_than_equal(id, 2147483647);
}, 'Check that watchPosition returns a long');
</script>