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products/Sources/formale Sprachen/C/Firefox/layout/forms/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 3 kB

Quelle test_textarea_resize.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/forms/test/test_textarea_resize.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Bug 477700</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div id="content" style="display: none">
</div>

<textarea id="textarea" style="-moz-appearance: none; border: 2px solid black; padding: 3px; box-sizing: border-box; min-width: 15px; min-height: 15px;">Text</textarea>

<pre id="test">
<script type="application/javascript">

/** Test for textbox resizing **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(() => SimpleTest.executeSoon(doTheTest));

// -1 means use the default value which is 'both', then test explicitly
// setting each possible value.
var currentResize = -1;
var currentBoxSizing = 0;
var currentPointer = 0;
var resizeTypes = [ "horizontal", "vertical", "none", "inherit", "both" ];
var boxSizingTypes = [ "", "border-box" ];
var pointerTypes = [ synthesizeMouse, synthesizeTouch]

function doTheTest() {
  runTest(pointerTypes[currentPointer]);
}

function runTest(aPointerFunc) {
  var boxSizingText = " with box sizing " + (currentBoxSizing ? boxSizingTypes[currentBoxSizing] : "content-box");

  var textarea = $("textarea");
  var rect = textarea.getBoundingClientRect();
  var touch = aPointerFunc.name.match(/Touch/);
  // -1 means use the default value of resize, i.e. "both"
  var type = (currentResize == -1) ? "both" : resizeTypes[currentResize];
  // assume that the resizer is in the lower right corner

  aPointerFunc(textarea, rect.width - 10, rect.height - 10, { type: touch ? "touchstart" : "mousedown" });
  aPointerFunc(textarea, rect.width + 40, rect.height + 40, { type: touch ? "touchmove" : "mousemove" });

  var newrect = textarea.getBoundingClientRect();
  var hchange = (type == "both" || type == "horizontal");
  var vchange = (type == "both" || type == "vertical");

  is(Math.round(newrect.width), Math.round(rect.width + (hchange ? 50 : 0)),
     type + " width has increased" + boxSizingText + " using " + aPointerFunc.name);
  is(Math.round(newrect.height), Math.round(rect.height + (vchange ? 50 : 0)),
     type + " height has increased" + boxSizingText + " using " + aPointerFunc.name);

  aPointerFunc(textarea, rect.width - 20, rect.height - 20, { type: touch ? "touchmove" : "mousemove" });

  newrect = textarea.getBoundingClientRect();

  is(Math.round(newrect.width), Math.round(rect.width - (hchange ? 10 : 0)),
     type + " width has decreased" + boxSizingText + " using " + aPointerFunc.name);
  is(Math.round(newrect.height), Math.round(rect.height - (vchange ? 10 : 0)),
     type + " height has decreased" + boxSizingText + " using " + aPointerFunc.name);

  aPointerFunc(textarea, rect.width - 220, rect.height - 220, { type: touch ? "touchmove" : "mousemove" });

  newrect = textarea.getBoundingClientRect();
  ok(hchange ? newrect.width >= 15 : Math.round(newrect.width) == Math.round(rect.width),
     type + " width decreased below minimum" + boxSizingText + " using " + newrect.width);
  ok(vchange ? newrect.height >= 15 : Math.round(newrect.height) == Math.round(rect.height),
     type + " height decreased below minimum" + boxSizingText + " using " + aPointerFunc.name);

  aPointerFunc(textarea, rect.width - 8, rect.height - 8, { type: touch ? "touchend" : "mouseup" });

  textarea.style.width = "auto";
  textarea.style.height = "auto";

  if (currentBoxSizing++ <= boxSizingTypes.length) {
    textarea.style.MozBoxSizing = boxSizingTypes[currentBoxSizing];
    SimpleTest.executeSoon(doTheTest);
  } else {
    currentBoxSizing = 0;
    if (++currentResize < resizeTypes.length) {
      textarea.style.resize = resizeTypes[currentResize];
      SimpleTest.executeSoon(doTheTest);
    } else {
      currentResize = -1;
      textarea.style.resize = "";
      if (++currentPointer < pointerTypes.length) {
        SimpleTest.executeSoon(doTheTest);
      } else {
        SimpleTest.finish();
      }
    }
  }
}

</script>
</pre>
</body>
</html>

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