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Test Info:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Clicking with primary vs non-primary buttons</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
</head>
<body>
<h1>Clicking on input type=text element when placeholder changes</h1>
<input id="target" onfocus="this.placeholder = ++focusCount;" placeholder="initial">
<input id="other">
<script>
var focusCount = 0;
var target = document.querySelector('#target');
document.addEventListener('contextmenu', event => { event.preventDefault(); });
var test_click = async_test("Test click and auxclick on input element");
// The test is on purpose rather vague, since auxclick handling on
// touchscreens isn't well defined.
// But at least there should be 'click'
var didGetClick = false;
async function testClick(type, mouseButton) {
return new Promise((resolve) => {
target.addEventListener(type, event => {
event.preventDefault();
didGetClick = didGetClick || event.type == "click";
test_click.step(() => {
assert_equals(event.type, type, 'Should have got an event.');
});
}, {once: true});
// Inject mouse click events.
var actions = new test_driver.Actions();
document.getElementById("other").focus();
actions.pointerMove(0, 0, {origin: target})
.pointerDown({button: mouseButton})
.pointerUp({button: mouseButton})
.send()
.then(resolve);
});
}
async function testClicks() {
var buttonType = test_driver.Actions.prototype.ButtonType;
await testClick("click", buttonType.LEFT);
await testClick("auxclick", buttonType.MIDDLE);
await testClick("auxclick", buttonType.RIGHT);
test_click.step(() => {
assert_true(didGetClick, 'Should have got at least "click".');
});
test_click.done();
}
testClicks();
</script>
</body>
</html>