dom/svg/test/test_length.xhtml

   1 <html xmlns="http://www.w3.org/1999/xhtml">
   2 <!--
   3 https://bugzilla.mozilla.org/show_bug.cgi?id=342513
   4 -->
   5 <head>
   6   <title>Test SVG Length conversions</title>
   7   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   8   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
   9 </head>
  10 <body>
  11 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=342513">Mozilla Bug 342513</a>
  12 <p id="display"></p>
  13 <div id="content">
  14
  15   <div width="100%" height="1" id="div">
  16   </div>
  17   <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="1" id="svg">
  18   </svg>
  19   <svg xmlns="http://www.w3.org/2000/svg" width="600" height="400" font-size="5">
  20     <svg font-size="10" width="20em" height="20em">
  21       <rect id="r1" x="5em" y="6em" width="20%" height="30%" />
  22     </svg>
  23   </svg>
  24
  25 </div>
  26 <pre id="test">
  27 <script class="testbody" type="text/javascript">
  28 <![CDATA[
  29
  30 SimpleTest.waitForExplicitFinish();
  31
  32 function run() {
  33   var svgDoc = document.getElementById("svg");
  34   var divElem = document.getElementById("div");
  35   var expectedWidth = divElem.clientWidth;
  36   // test for the pixel width of the svg
  37   is(svgDoc.width.baseVal.value, expectedWidth, "svgDoc.width.baseVal.value");
  38
  39   // set the SVG width to ~50% in pixels
  40   svgDoc.width.baseVal.newValueSpecifiedUnits(svgDoc.width.baseVal.SVG_LENGTHTYPE_PX, Math.floor(expectedWidth / 2));
  41   svgDoc.width.baseVal.convertToSpecifiedUnits(svgDoc.width.baseVal.SVG_LENGTHTYPE_PERCENTAGE);
  42   // the valueInSpecifiedUnits should now be 50%
  43   is(Math.round(svgDoc.width.baseVal.valueInSpecifiedUnits), 50, "valueInSpecifiedUnits after convertToSpecifiedUnits");
  44
  45   let r1 = document.getElementById("r1");
  46   is(r1.width.baseVal.value, 40, "width in em for elements inside inner <svg> should be resolved against the inner <svg>");
  47   is(r1.height.baseVal.value, 60, "height in em for elements inside inner <svg> should be resolved against the inner <svg>");
  48
  49   SimpleTest.finish();
  50 }
  51
  52 window.addEventListener("load", run);
  53
  54 ]]>
  55 </script>
  56 </pre>
  57 </body>
  58 </html>