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<!DOCTYPE html>
<title>Tab focus from ::colum::scroll-marker to non-atomic inline</title>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-next-focus">
<style>
body {
margin: 0;
}
#container {
scroll-marker-group: before;
overflow: scroll;
columns: 7;
column-gap: 10px;
column-fill: auto;
column-rule: solid;
height: 100px;
line-height: 20px;
orphans: 1;
widows: 1;
}
#container::scroll-marker-group {
display: flex;
height: 20px;
background: hotpink;
}
#container::column::scroll-marker {
content: "";
width: 20px;
height: 20px;
margin-right: 5px;
background: blue;
}
#container::column::scroll-marker:focus {
background: cyan;
}
</style>
<div id="container">
<div id="wrapper">
<div tabindex="0" style="display:inline-block; width:100%; height:85px;"></div>
<span tabindex="0" id="inlineElm1">
inline<br>
inline<br>
inline<br>
inline<br>
inline<br>
<span tabindex="0" id="inlineElm2">inline2</span>
</span>
<div tabindex="0" id="inlineBlock1" style="display:inline-block; width:100%; height:85px; background:brown;"></div>
<span tabindex="0" id="inlineElm3" style="border:1px solid;">
inline3<br>
<div tabindex="0" id="inlineBlock2" style="display:inline-block; width:100%; height:15px; background:brown;"></div>
inline3<br>
inline3<br>
inline3<br>
inline3<br>
</span>
<span tabindex="0" id="inlineElm4" style="border:1px solid;">
inline4<br>
</span>
</div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
async function activateMarker(idx) {
await new test_driver.Actions()
.pointerMove(5 + idx*25, 5)
.pointerDown()
.pointerUp()
.send();
}
// Redisplay an element, to reset state. This makes the test harder to pass
// with Blink's "culled inlines" concept.
function redisplay(elm) {
let old_display = elm.style.display;
elm.style.display = "none";
document.body.offsetTop;
elm.style.display = old_display;
}
async function focusNext() {
// https://w3c.github.io/webdriver/#keyboard-actions
const kTab = '\uE004';
await new test_driver.Actions()
.keyDown(kTab)
.keyUp(kTab)
.send();
}
promise_test(async t => {
await activateMarker(1);
await focusNext();
assert_equals(document.activeElement, inlineElm1);
await focusNext();
assert_equals(document.activeElement, inlineElm2);
redisplay(wrapper);
}, "Focus second column");
promise_test(async t => {
await activateMarker(2);
await focusNext();
assert_equals(document.activeElement, inlineElm2);
await focusNext();
assert_equals(document.activeElement, inlineBlock1);
redisplay(wrapper);
}, "Focus third column");
promise_test(async t => {
await activateMarker(3);
await focusNext();
assert_equals(document.activeElement, inlineBlock1);
await focusNext();
let collection = document.activeElement;
assert_equals(document.activeElement, inlineElm3);
redisplay(wrapper);
}, "Focus fourth column");
promise_test(async t => {
await activateMarker(4);
await focusNext();
assert_equals(document.activeElement, inlineElm3);
await focusNext();
assert_equals(document.activeElement, inlineBlock2);
await focusNext();
assert_equals(document.activeElement, inlineElm4);
redisplay(wrapper);
}, "Focus fifth column");
promise_test(async t => {
await activateMarker(5);
await focusNext();
assert_equals(document.activeElement, inlineElm4);
redisplay(wrapper);
}, "Focus sixth column");
</script>
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