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<!DOCTYPE html>
<meta charset=utf-8>
<link rel="help" href="https://github.com/WICG/PEPC/blob/main/explainer.md#locking-the-pepc-style">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<!--The usermedia element should not allow setting negative outline-offset.
-->
<style>
#id1 {
outline-offset: -50px;
}
#id2 {
outline-offset: 50px;
}
/* These various expressions all result in a negative value when calculated */
#id3 {
outline-offset: min(-50px, 50px);
}
#id4 {
outline-offset: min(10%, -50px);
}
#id5 {
outline-offset: clamp(-100px, 1vw, -50px);
}
#id6 {
outline-offset: 1% - 10000px;
}
#id7 {
outline-offset: max(min(-1em, 10em), -5%);
}
</style>
<usermedia id="id1" type="camera"></usermedia>
<usermedia id="id2" type="camera"></usermedia>
<usermedia id="id3" type="microphone"></usermedia>
<usermedia id="id4" type="camera"></usermedia>
<usermedia id="id5" type="microphone"></usermedia>
<usermedia id="id6" type="microphone"></usermedia>
<usermedia id="id7" type="camera microphone"></usermedia>
<script>
test(function(){
var el_with_negatives = document.getElementById("id1");
assert_equals(getComputedStyle(el_with_negatives).outlineOffset, "0px", "outline-offset");
}, "Negative offset should be changed to 0px");
test(function(){
var el_with_positives = document.getElementById("id2");
assert_equals(getComputedStyle(el_with_positives).outlineOffset, "50px", "outline-offset");
}, "Positive offset are unaffected");
test(function(){
var el_with_negative_expr = document.getElementById("id3");
assert_equals(getComputedStyle(el_with_negative_expr).outlineOffset, "0px", "outline-offset");
}, "Expressions offset min(-50px, 50px) should return at least 0px");
test(function(){
var el_with_negative_expr = document.getElementById("id4");
assert_equals(getComputedStyle(el_with_negative_expr).outlineOffset, "0px", "outline-offset");
}, "Expressions offset outline-offset: min(10%, -50px) should return at least 0px");
test(function(){
var el_with_negative_expr = document.getElementById("id5");
assert_equals(getComputedStyle(el_with_negative_expr).outlineOffset, "0px", "outline-offset");
}, "Expressions offset clamp(-100px, 1vw, -50px) should return at least 0px");
test(function(){
var el_with_negative_expr = document.getElementById("id6");
assert_equals(getComputedStyle(el_with_negative_expr).outlineOffset, "0px", "outline-offset");
}, "Expressions offset 1% - 10000px should return at least 0px");
test(function(){
var el_with_negative_expr = document.getElementById("id7");
assert_equals(getComputedStyle(el_with_negative_expr).outlineOffset, "0px", "outline-offset");
}, "Expressions offset max(min(-1em, 10em), -5%) should return at least 0px");
</script>
</body>
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