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     <div style="zoom: 2;">
  24       <svg width="40" height="40">
  25         <rect id="r2" width="25" height="20" />
  26     </svg>
  27     </div>
  28   </svg>
  29
  30 </div>
  31 <pre id="test">
  32 <script class="testbody" type="text/javascript">
  33 <![CDATA[
  34
  35 SimpleTest.waitForExplicitFinish();
  36
  37 function run() {
  38   var svgDoc = document.getElementById("svg");
  39   var divElem = document.getElementById("div");
  40   var expectedWidth = divElem.clientWidth;
  41   // test for the pixel width of the svg
  42   isfuzzy(svgDoc.width.baseVal.value, expectedWidth, 0.01, "svgDoc.width.baseVal.value");
  43
  44   // set the SVG width to ~50% in pixels
  45   svgDoc.width.baseVal.newValueSpecifiedUnits(svgDoc.width.baseVal.SVG_LENGTHTYPE_PX, Math.floor(expectedWidth / 2));
  46   svgDoc.width.baseVal.convertToSpecifiedUnits(svgDoc.width.baseVal.SVG_LENGTHTYPE_PERCENTAGE);
  47   // the valueInSpecifiedUnits should now be 50%
  48   is(Math.round(svgDoc.width.baseVal.valueInSpecifiedUnits), 50, "valueInSpecifiedUnits after convertToSpecifiedUnits");
  49
  50   let r1 = document.getElementById("r1");
  51   is(r1.width.baseVal.value, 40, "width in em for elements inside inner <svg> should be resolved against the inner <svg>");
  52   is(r1.height.baseVal.value, 60, "height in em for elements inside inner <svg> should be resolved against the inner <svg>");
  53
  54   let r2 = document.getElementById("r2");
  55   is(r2.width.baseVal.value, 25, "width in px for elements in zoomed div should be the same as unzoomed");
  56   is(r2.height.baseVal.value, 20, "height in px for elements inside zoomed div should be the same as unzoomed");
  57
  58   SimpleTest.finish();
  59 }
  60
  61 window.addEventListener("load", run);
  62
  63 ]]>
  64 </script>
  65 </pre>
  66 </body>
  67 </html>