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<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel=help href="http://crbug.com/1429839">
<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>
<select id=select>
<option id=optone>one</option>
<option id=opttwo>two</option>
</select>
<style>
select {
background-color: rgb(0, 0, 255);
}
select:not(:open) {
background-color: rgb(0, 255, 0);
}
select:open {
background-color: rgb(255, 0, 0);
}
select, ::picker(select) {
appearance: base-select;
}
</style>
<button id=button>option</button>
<script>
promise_test(async () => {
assert_equals(getComputedStyle(select).backgroundColor, 'rgb(0, 255, 0)',
'The select should match :not(:open) at the start of the test.');
await test_driver.click(select);
assert_equals(getComputedStyle(select).backgroundColor, 'rgb(255, 0, 0)',
'The select should match :open when opened.');
await test_driver.click(opttwo);
assert_equals(getComputedStyle(select).backgroundColor, 'rgb(0, 255, 0)',
'The select should match :not(:open) after clicking an option.');
await test_driver.click(select);
assert_equals(getComputedStyle(select).backgroundColor, 'rgb(255, 0, 0)',
'The select should match :open when reopened.');
await test_driver.click(button);
assert_equals(getComputedStyle(select).backgroundColor, 'rgb(0, 255, 0)',
'The select should match :not(:open) after light dismiss.');
}, 'select should not match :open when light dismissed.');
</script>
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