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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Display: Computed style for display:contents</title>
<link rel="author" title="Rune Lillesveen" href="mailto:rune@opera.com">
<link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-contents">
<link rel="help" href="https://drafts.csswg.org/css-display-3/#transformations">
<link rel="help" href="https://drafts.csswg.org/cssom-1/#resolved-values">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
html, .contents { display: contents }
#t2 .contents { background-color: green }
#t2 span { background-color: inherit }
#t3 .contents { color: green }
#t4 {
width: auto;
height: 50%;
margin-left: 25%;
padding-top: 10%;
}
</style>
<div id="t1" class="contents"></div>
<div id="t2">
<div class="contents">
<span></span>
</div>
</div>
<div id="t3">
<div class="contents">
<span></span>
</div>
</div>
<div id="t4" class="contents"></div>
<script>
test(function(){
assert_equals(getComputedStyle(document.querySelector("#t1")).display, "contents");
}, "Serialization of computed style value for display:contents");
test(function(){
assert_equals(getComputedStyle(document.querySelector("#t2 span")).backgroundColor, "rgb(0, 128, 0)");
}, "display:contents element as inherit parent - explicit inheritance");
test(function(){
assert_equals(getComputedStyle(document.querySelector("#t3 span")).color, "rgb(0, 128, 0)");
}, "display:contents element as inherit parent - implicit inheritance");
test(function(){
var computed = getComputedStyle(document.querySelector("#t4"));
assert_equals(computed.width, "auto");
assert_equals(computed.height, "50%");
assert_equals(computed.marginLeft, "25%");
assert_equals(computed.paddingTop, "10%");
}, "Resolved value should be computed value, not used value, for display:contents");
test(function(){
assert_equals(getComputedStyle(document.documentElement).display, "block");
}, "display:contents is blockified for root elements");
</script>
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