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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>