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Bug 1475033 part 8 - Add some basic tests for scrollbar-width. r=heycam

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MozReview-Commit-ID: IZ9j7UIZDqe

--HG--
extra : rebase_source : 32e01094390552c71f98929caa42483e5ffcd320
This commit is contained in:
Xidorn Quan 2018-08-07 16:06:28 +10:00
parent fa3e266ae9
commit 32a9d0ca9f
3 changed files with 50 additions and 0 deletions
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10
testing/web-platform/meta/MANIFEST.json
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@ -331774,6 +331774,12 @@
{}
]
],
"css/css-scrollbars/scrollbar-width-keywords.html": [
[
"/css/css-scrollbars/scrollbar-width-keywords.html",
{}
]
],
"css/css-shadow-parts/all-hosts.html": [
[
"/css/css-shadow-parts/all-hosts.html",
@ -542257,6 +542263,10 @@
"9209d5d1f4174d1e22258c0571db89b51f4f3a59",
"support"
],
"css/css-scrollbars/scrollbar-width-keywords.html": [
"94ccd6ef6d550c83c97ba9525135cc309cc35842",
"testharness"
],
"css/css-scrollbars/support/viewport-scrollbar-body-frame.html": [
"74c02f994e3103daabfaf40a7fb84d3169451d2c",
"support"

2
testing/web-platform/meta/css/css-scrollbars/scrollbar-width-keywords.html.ini Normal file
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@ -0,0 +1,2 @@
[scrollbar-width-keywords.html]
prefs: [layout.css.scrollbar-width.enabled:true]

38
testing/web-platform/tests/css/css-scrollbars/scrollbar-width-keywords.html Normal file
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@ -0,0 +1,38 @@
<!DOCTYPE html>
<meta charset="UTF-8">
<link rel="author" title="Xidorn Quan" href="mailto:me@upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-scrollbars-1/#scrollbar-width">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.area {
width: 100px;
height: 100px;
overflow: auto;
display: inline-block;
}
.area::before {
content: "";
display: block;
width: 200px;
height: 200px;
}
</style>
<div id="scrollbar-none" class="area" style="scrollbar-width: none"></div>
<div id="scrollbar-thin" class="area" style="scrollbar-width: thin"></div>
<div id="scrollbar-auto" class="area" style="scrollbar-width: auto"></div>
<script>
test(function() {
let elem = document.getElementById("scrollbar-none");
assert_equals(elem.clientWidth, 100);
assert_equals(elem.clientHeight, 100);
}, "scrollbar-width: none should have no scrollbar");
test(function() {
let thin = document.getElementById("scrollbar-thin");
let auto = document.getElementById("scrollbar-auto");
assert_greater_than_equal(thin.clientWidth, auto.clientWidth);
assert_greater_than_equal(thin.clientHeight, auto.clientHeight);
}, "scrollbar-width: thin should have scrollbar no wider than auto");
</script>