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Test Info: Warnings

<!DOCTYPE HTML>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script>
SimpleTest.waitForExplicitFinish();
function run() {
document.getElementById("host").attachShadow({ mode: "open" }).innerHTML = "<span>InnerText</span>";
const inner = host.shadowRoot.firstChild;
const rect = inner.getBoundingClientRect();
// Click the bottom right of "InnerText"
synthesizeMouse(inner, rect.width, rect.height, { type: "mousedown"});
synthesizeMouse(inner, rect.width, rect.height, { type: "mouseup" });
// Click the top left of "OuterText"
synthesizeMouse(document.getElementById("outer"), 0, 0, { type: "mousedown" , shiftKey: true});
synthesizeMouse(document.getElementById("outer"), 0, 0, { type: "mouseup" , shiftKey: true});
// Above two clicks should select both "OuterText" and "InnerText"
const sel = document.getSelection().getComposedRanges(host.shadowRoot)[0];
// backward selection
is(sel.endContainer, inner.firstChild, "endContainer is the InnerText");
is(sel.endOffset, 9, "endOffset ends at the last character");
is(sel.startContainer, outer.firstChild, "startContainer is the OuterText");
is(sel.startOffset, 0, "startOffset starts at the first character");
SimpleTest.finish();
}
</script>
<body onload="SimpleTest.waitForFocus(run);">
<span id="outer">OuterText</span>
<div id="host"></div>
</body>