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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=372086
-->
<head>
<title>Test for Bug 372086</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=372086">Mozilla Bug 372086</a>
<p id="display">
<div id="d" is="custom-div">abc</div>def
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 372086 **/
customElements.define("custom-div", class extends HTMLDivElement {
constructor() {
super();
this.attachShadow({ mode: "open" });
this.shadowRoot.innerHTML = `ghi<slot></slot>jkl`;
}
}, {
extends: "div",
});
function runTest() {
let range = document.createRange();
var c = $("d").firstChild;
var a = $("d").nextSibling;
range.setStart(c, 1);
range.setEnd(c, 3);
is(range.startContainer, c, "Unexpected start container");
is(range.startOffset, 1, "Unexpected start offset");
is(range.endContainer, c, "Unexpected end container");
is(range.endOffset, 3, "Unexpected end offset");
is(range.toString(), "bc", "Unexpected range serialization");
let shadow = d.shadowRoot.firstChild;
// Should collapse the range, because can't determine order
range.setEnd(shadow, 2);
is(range.startContainer, shadow,
"Unexpected collapsed start container");
is(range.startOffset, 2, "Unexpected collapsed start offset");
is(range.endContainer, shadow,
"Unexpected collapsed end container");
is(range.endOffset, 2, "Unexpected collapsed end offset");
is(range.toString(), "", "Unexpected collapsed range serialization");
range.setEnd(a, 2);
range.setStart(a, 0);
is(range.startContainer, a, "Unexpected start container after");
is(range.startOffset, 0, "Unexpected start offset after");
is(range.endContainer, a, "Unexpected end container after");
is(range.endOffset, 2, "Unexpected end offset after");
is(range.toString(), "de", "Unexpected range serialization after");
shadow = d.shadowRoot.lastChild;
// Collapses because one endpoint is anonymous from point of view of
// the other.
range.setStart(shadow, 1);
is(range.startContainer, shadow,
"Unexpected newly collapsed start container");
is(range.startOffset, 1, "Unexpected newly collapsed start offset");
is(range.endContainer, shadow,
"Unexpected newly collapsed end container");
is(range.endOffset, 1, "Unexpected newly collapsed end offset");
is(range.toString(), "", "Unexpected collapsed range serialization");
range.setEnd(shadow, 3);
is(range.startContainer, shadow,
"Unexpected shadow start container");
is(range.startOffset, 1, "Unexpected shadow start offset");
is(range.endContainer, shadow,
"Unexpected shadow end container");
is(range.endOffset, 3, "Unexpected shadow end offset");
is(range.toString(), "kl", "Unexpected shadow range serialization");
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);
addLoadEvent(SimpleTest.finish)
</script>
</pre>
</body>
</html>
|
