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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=655877
-->
<head>
<meta charset=UTF-8>
<title>Test for Bug 655877</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=655877">Mozilla Bug 655877</a>
<p id="display"></p>
<div id="content">
<svg width="400" height="200">
<text x="100" y="100" style="font: 16px sans-serif">abc אבג 123 דהו defg</text>
</svg>
</div>
<pre id="test">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
function close(x, y, message) {
if (Math.abs(x - y) < 1e-4) {
ok(true, message);
} else {
// Use is() so that the difference is actually printed in the error message
is(x, y, message);
}
}
function runTest() {
var text = document.querySelector("text");
// there are only 20 addressable characters
is(text.getNumberOfChars(), 20, "getNumberOfChars");
var sum, total = text.getComputedTextLength();
close(text.getSubStringLength(0, 20), total, "getSubStringLength all");
// add the advance of each glyph
sum = 0;
for (var i = 0; i < 20; i++) {
sum += text.getSubStringLength(i, 1);
}
close(sum, total, "sum getSubStringLength 1");
// split the text up into three chunks and add them together
close(text.getSubStringLength(0, 6) +
text.getSubStringLength(6, 8) +
text.getSubStringLength(14, 6), total, "sum getSubStringLength 2");
SimpleTest.finish();
}
window.addEventListener("load", runTest);
</script>
</pre>
</body>
</html>
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