gecko/toolkit/content/tests/chrome/window_chromemargin.xul

<?xml version="1.0"?>
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<?xml-stylesheet href="chrome://global/skin" type="text/css"?>

<window id="window" title="Subframe Origin Tests"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="application/javascript"
        src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
chrome margins rock!
<script>

// Tests parsing of the chrome margin attrib on a window.

function ok(condition, message) {
  window.opener.wrappedJSObject.SimpleTest.ok(condition, message);
}

function doSingleTest(param, shouldSucceed)
{
  var exception = null;
  try {
    document.documentElement.removeAttribute("chromemargin");
    document.documentElement.setAttribute("chromemargin", param);
    ok(document.
       documentElement.
       getAttribute("chromemargin") == param, "couldn't set/get chromemargin?");
  } catch (ex) {
    exception = ex;
  }
  if (shouldSucceed)
    ok(!exception, "failed for param:'" + param + "'");
  else
    ok(exception, "did not fail for invalid param:'" + param + "'");
  return true;
}

function runTests()
{
  var doc = document.documentElement;

  // make sure we can set and get
  doc.setAttribute("chromemargin", "0,0,0,0");
  ok(doc.getAttribute("chromemargin") == "0,0,0,0", "couldn't set/get chromemargin?");
  doc.setAttribute("chromemargin", "-1,-1,-1,-1");
  ok(doc.getAttribute("chromemargin") == "-1,-1,-1,-1", "couldn't set/get chromemargin?");

  // test remove
  doc.removeAttribute("chromemargin");
  ok(doc.getAttribute("chromemargin") == "", "couldn't remove chromemargin?");

  // we already test these really well in a c++ test in widget
  doSingleTest("1,2,3,4", true);
  doSingleTest("-2,-2,-2,-2", true);
  doSingleTest("1,1,1,1", true);
  doSingleTest("", false);
  doSingleTest("12123123", false);
  doSingleTest("0,-1,-1,-1", true);
  doSingleTest("-1,0,-1,-1", true);
  doSingleTest("-1,-1,0,-1", true);
  doSingleTest("-1,-1,-1,0", true);
  doSingleTest("1234567890,1234567890,1234567890,1234567890", true);
  doSingleTest("-1,-1,-1,-1", true);

  window.opener.wrappedJSObject.SimpleTest.finish();
  window.close();
}

window.opener.wrappedJSObject.SimpleTest.waitForFocus(runTests, window);

</script>
</window>