Quelle test_bug773262.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/test_bug773262.html

<!doctype html>

<title>Test for Bug 773262</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=773262">Mozilla Bug 773262</a></p>
<iframe></iframe>
<script>
function runTest(doc, desc) {
  is(doc.queryCommandEnabled("undo"), false,
     desc + ": Undo shouldn't be enabled yet");
  is(doc.queryCommandEnabled("redo"), false,
     desc + ": Redo shouldn't be enabled yet");
  is(doc.body.innerHTML, "

Hello

", desc + ": Wrong initial innerHTML");

  doc.getSelection().selectAllChildren(doc.body.firstChild);
  doc.execCommand("bold");
  is(doc.queryCommandEnabled("undo"), true,
     desc + ": Undo should be enabled after bold");
  is(doc.queryCommandEnabled("redo"), false,
     desc + ": Redo still shouldn't be enabled");
  is(doc.body.innerHTML, "

Hello

",
     desc + ": Wrong innerHTML after bold");

  doc.execCommand("undo");
  is(doc.queryCommandEnabled("undo"), false,
     desc + ": Undo should be disabled again");
  is(doc.queryCommandEnabled("redo"), true,
     desc + ": Redo should be enabled now");
  is(doc.body.innerHTML, "

Hello

",
     desc + ": Wrong innerHTML after undo");

  doc.execCommand("redo");
  is(doc.queryCommandEnabled("undo"), true,
     desc + ": Undo should be enabled after redo");
  is(doc.queryCommandEnabled("redo"), false,
     desc + ": Redo should be disabled again");
  is(doc.body.innerHTML, "

Hello

",
     desc + ": Wrong innerHTML after redo");
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
  var doc = document.querySelector("iframe").contentDocument;

  // First turn on designMode and run the test like that, as a sanity check.
  doc.body.innerHTML = "

Hello

";
  doc.designMode = "on";
  runTest(doc, "1");

  // Now to test the actual bug: repeat all the above, but with designMode
  // toggled.  This should clear the undo history, so everything should be
  // exactly as before.
  doc.designMode = "off";
  doc.body.innerHTML = "

Hello

";
  doc.designMode = "on";
  runTest(doc, "2");

  SimpleTest.finish();
});
</script>

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