Quelle bug426082.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/events/test/bug426082.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
  <title>Test for Bug 426082</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=426082">Mozilla Bug 426082</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<p><input type="button" value="Button" id="button"></p>
<p><label for="button" id="label">Label</label></p>
<p id="outside">Something under the label</p>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 426082 */

function runTests() {
  SimpleTest.executeSoon(tests);
}

SimpleTest.waitForFocus(runTests);

function oneTick() {
  return new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve)));
}

function stringifyOpenTag(aElement) {
  return aElement.cloneNode(false).outerHTML;
}

function sendMouseEvent(t, elem) {
  info(`Synthesizing ${t} on ${stringifyOpenTag(elem)}`);
  let r = elem.getBoundingClientRect();
  synthesizeMouse(elem, r.width / 2, r.height / 2, {type: t});
}

async function tests() {
  let button = document.getElementById("button");
  let label = document.getElementById("label");
  let outside = document.getElementById("outside");

  let is = window.opener.is;
  let ok = window.opener.ok;

  function logMouseEvent(aEvent) {
    info(`${aEvent.type} (${aEvent.clientX}, ${aEvent.clientY}) on ${
      stringifyOpenTag(event.target)
    } (scrollTop=${document.documentElement.scrollTop})`);
  }
  addEventListener("mouseover", logMouseEvent, {capture: true});
  addEventListener("mousedown", logMouseEvent, {capture: true});
  addEventListener("mousemove", logMouseEvent, {capture: true});

  // Press the label.
  sendMouseEvent("mousemove", label);
  sendMouseEvent("mousedown", label);

  await oneTick();

  ok(label.matches(":hover"), "Label is hovered");
  ok(button.matches(":hover"), "Button should be hovered too");

  ok(label.matches(":active"), "Label is active");
  ok(button.matches(":active"), "Button should be active too");

  // Move the mouse down from the label.
  sendMouseEvent("mousemove", outside);

  await oneTick();

  ok(!label.matches(":hover"), "Label is no longer hovered");
  ok(!button.matches(":hover"), "Button should not be hovered too");

  ok(label.matches(":active"), "Label is still active");
  ok(button.matches(":active"), "Button is still active too");

  // And up again.
  sendMouseEvent("mousemove", label);

  await oneTick();

  ok(label.matches(":hover"), "Label hovered again");
  ok(button.matches(":hover"), "Button be hovered again");
  ok(label.matches(":active"), "Label is still active");
  ok(button.matches(":active"), "Button is still active too");

  // Release.
  sendMouseEvent("mouseup", label);

  await oneTick();

  ok(!label.matches(":active"), "Label is no longer active");
  ok(!button.matches(":active"), "Button is no longer active");

  ok(label.matches(":hover"), "Label is still hovered");
  ok(button.matches(":hover"), "Button is still hovered");

  // Press the label and remove it.
  sendMouseEvent("mousemove", label);
  sendMouseEvent("mousedown", label);

  await oneTick();

  label.remove();

  await oneTick();

  ok(!label.matches(":active"), "Removing label should have unpressed it");
  ok(!label.matches(":focus"), "Removing label should have unpressed it");
  ok(!label.matches(":hover"), "Removing label should have unhovered it");
  ok(!button.matches(":active"), "Removing label should have unpressed the button");
  ok(!button.matches(":focus"), "Removing label should have unpressed the button");
  ok(!button.matches(":hover"), "Removing label should have unhovered the button");

  sendMouseEvent("mouseup", label);
  window.opener.finishTests();
}
</script>
</pre>
</body>
</html>

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