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<!DOCTYPE html>
<meta charset="utf-8">
<title>Form input type=number constraint validation</title>
<link rel="author" title="Adam Vandolder" href="mailto:avandolder@mozilla.com">
<link rel=help href="https://html.spec.whatwg.org/multipage/#number-state-(type=number)">
<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>
<div id="log"></div>
<input type="number">
<script>
const input = document.querySelector("input");
const invalidInputNumber = "1.e";
const invalidSetNumber = "1.";
promise_test(async () => {
await test_driver.click(input);
await test_driver.send_keys(input, invalidInputNumber);
assert_equals(input.value.length, 0);
assert_true(input.validity.badInput);
}, "Unparsable number user input triggers sanitization and causes badInput to be set.");
promise_test(async () => {
input.value = invalidInputNumber;
assert_equals(input.value.length, 0);
assert_false(input.validity.badInput);
}, "Setting .value to an unparsable number triggers sanitization but doesn't set badInput.");
promise_test(async () => {
await test_driver.click(input);
await test_driver.send_keys(input, invalidSetNumber);
assert_equals(input.value, "1");
assert_false(input.validity.badInput);
}, "Users inputting a parsable but invalid floating point number doesn't trigger sanitization and doesn't set badInput.");
promise_test(async () => {
input.value = invalidSetNumber;
assert_equals(input.value.length, 0);
assert_false(input.validity.badInput);
}, "Setting .value to a parsable but invalid floating point number triggers sanitization but doesn't set badInput.");
</script>
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