<!DOCTYPE html>
<style>
text::selection { color: blue; }
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
window.onload = function () {
var range = document.createRange();
range.setEnd(id1, id1.childNodes.length);
document.getSelection().addRange(range);
document.getElementById("masktext").setAttribute("display", "inherit");
};
</script>
<svg>
<mask id="m1">
<text id="masktext" y="100" fill="white" font-size="100">PASS</text>
</mask>
<rect width="100%" height="100" id="id1" mask="url(#m1)"/>
</svg>