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<!doctype html>
<meta charset="utf-8">
<title>Button activation submits on keyup, but not if keydown is defaultPrevented</title>
<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1481400">
<link rel=author href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel=author href="https://mozilla.org" title="Mozilla">
<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>
<button>The button</button>
<script>
let button = document.querySelector("button");
promise_test(async t => {
button.focus();
assert_equals(document.activeElement, button, "Button should be focused");
let clickPromise = new Promise(resolve => {
button.addEventListener("click", resolve, { once: true });
});
await test_driver.send_keys(button, " ");
await clickPromise;
assert_true(true, "Button should have activated");
document.addEventListener("keydown", t.step_func(function(e) {
e.preventDefault();
}));
button.addEventListener("click", t.unreached_func("button got incorrectly activated"));
await test_driver.send_keys(button, " ");
await new Promise(resolve => t.step_timeout(resolve, 0));
assert_true(true, "Button should not have activated");
});
</script>
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