gecko-dev/dom/svg/test/test_pathLength.html

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<!doctype html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1024926
-->
<head>
<meta charset="utf-8">
<title>Test path length changes when manipulated</title>
<script type="text/javascript" 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=1024926">Mozilla Bug 1024926</a>
<p id="display"></p>
<div id="content" style="display: none">
<svg width="100%" height="1" id="svg">
<path id="path_lines" d="M50,100l0,0l0,-50l100,0l86.3325,122.665z"></path>
<path id="path_straight_curve" d="M0,0 C100,0 150,0 200,0" />
</svg>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
// Test a closed path with a series of lines.
var path = document.getElementById("path_lines");
is(path.getTotalLength(), 500, "Unexpected path length");
// Test a path that's been shortened via the DOM.
for (var i = 0; i < 2; i++) {
path.pathSegList.removeItem(path.pathSegList.numberOfItems - 1);
}
is(path.getTotalLength(), 150, "Unexpected path length");
// Test a path that's been shortened to be empty, via the DOM.
while (path.pathSegList.numberOfItems > 0) {
path.pathSegList.removeItem(0);
}
is(path.getTotalLength(), 0, "Unexpected path length");
// Test a path with a curve command ("C") that is really a straight line.
path = document.getElementById("path_straight_curve");
is(path.getTotalLength(), 200, "Unexpected path length, for straight line " +
"generated by 'C' command");
SimpleTest.finish();
</script>
</pre>
</body>
</html>