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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'/>
<title>Vibration API: test that calls to vibrate() are silently ignored when the device cannot vibrate</title>
<link rel='author' title='Robin Berjon' href='mailto:robin@berjon.com'/>
<link rel='help' href='https://w3c.github.io/vibration/#dfn-perform-vibration'/>
<meta name='flags' content='dom, no-vibrator'/>
<meta name='assert' content='If the device does not provide a vibration mechanism, or it is disabled, the user agent must silently ignore any invocations of the vibrate() method.'/>
</head>
<body>
<h1>Description</h1>
<p>
<strong>This test is only useful on devices that do not have vibration capability</strong>.
If your device supports vibration, then <strong>skip</strong> this test. An implementation
supporting this API but running on a device that cannot vibrate must silently ignore the
call (we test that it doesn't throw).
</p>
<button type="button" id="button">Click here if the device doesn't support vibration</button>
<div id='log'></div>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src='/resources/testdriver.js'></script>
<script src='/resources/testdriver-vendor.js'></script>
<script>
if (undefined !== navigator.vibrate) {
async_test(function (t) {
var target = document.getElementById('button');
target.addEventListener("click", t.step_func_done(function() {
assert_true(navigator.vibrate(1000), "vibrate() returns true when vibration is not supported");
}));
test_driver.click(target).catch(t.unreached_func("click failed"));
}, "Calling vibrate returns true");
}
</script>
</body>
</html>
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