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<!DOCTYPE html>
<meta charset='utf-8'>
<title>Vibration API: vibrate(invalid)</title>
<link rel='author' title='Intel' href='http://www.intel.com'>
<link rel='help' href='https://w3c.github.io/vibration/#vibration-interface'>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<div id='log'></div>
<script>
test(function() {
assert_implements(navigator.vibrate, 'navigator.vibrate exists');
assert_throws_js(TypeError, function() {
navigator.vibrate();
}, 'Argument is required, so was expecting a TypeError.');
}, 'Missing pattern argument');
test(function() {
navigator.vibrate(undefined);
}, 'pattern of undefined resolves to []');
test(function() {
navigator.vibrate(null);
}, 'pattern of null resolves to []');
test(function() {
navigator.vibrate('one');
}, 'pattern of empty string resolves to [""]');
test(function() {
navigator.vibrate('one');
}, 'pattern of string resolves to ["one"]');
test(function() {
navigator.vibrate(new String('one'));
}, 'pattern of String instance resolves to ["one"]');
test(function() {
navigator.vibrate(NaN);
}, 'pattern of NaN resolves to [NaN]');
test(function() {
navigator.vibrate({});
}, 'pattern of {} resolves to [{}]');
</script>
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