test_textnode_split_in_selection.html

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<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=803924

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<head>

  <meta charset="utf-8">

  <title>Test for Bug 803924</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=803924">Mozilla Bug 803924</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 803924 **/

var sel = document.getSelection();

var flush = true;

var dry = true;

var run = "";

var empty_range;

var empty_first_text_range;

var empty_last_text_range;

var full_range;

function check(range, expected, test)

  is(""+range, expected, test);

  is(""+empty_range, "", "empty range test after: "+test);

  is(""+empty_first_text_range, "", "empty first text range test after: "+test);

  if (empty_last_text_range) is(""+empty_last_text_range, "", "empty last text range test after: "+test);

  is(""+full_range, full_range.startContainer.textContent, "full range test after: "+test);

function newDiv()

  var div = document.createElement('div');

  for (var i = 0; i < arguments.length; ++i) {

    div.appendChild(document.createTextNode(arguments[i]));

  document.body.appendChild(div)

  empty_range = document.createRange();

  empty_range.setStart(div,0);

  empty_range.setEnd(div,0);

  var firstTextNode = div.childNodes[0];

  var lastTextNode = div.childNodes[div.childNodes.length - 1];

  empty_first_text_range = document.createRange();

  empty_first_text_range.setStart(firstTextNode,0);

  empty_first_text_range.setEnd(firstTextNode,0);

  empty_last_text_range = null;

  if (firstTextNode != lastTextNode) {

    empty_last_text_range = document.createRange();

    empty_last_text_range.setStart(lastTextNode,0);

    empty_last_text_range.setEnd(lastTextNode,0);

  full_range = document.createRange();

  full_range.setStart(div,0);

  full_range.setEnd(div,div.childNodes.length);

  return div;

function selEnd(div,child,index,split,s)

  var start = div.childNodes[child];

  var r = document.createRange();

  sel.addRange(r);

  r.setStart(start, index);

  r.setEnd(div, div.childNodes.length);

  if (!dry) start.splitText(split);

  check(r,s,run+" selEnd "+child+","+index+","+split);

function selStart(div,child,index,split,s)

  if (flush) document.body.getClientRects();

  var start = div.childNodes[child];

  var r = document.createRange();

  sel.addRange(r);

  r.setStart(div, 0);

  r.setEnd(start, index);

  if (!dry) start.splitText(split);

  check(r,s,run+" selStart "+child+","+index+","+split);

function selMiddleStart(div,child,index,split,s)

  if (flush) document.body.getClientRects();

  var start = div.childNodes[child];

  var r = document.createRange();

  sel.addRange(r);

  r.setStart(div, 1);

  r.setEnd(start, index);

  if (!dry) start.splitText(split);

  check(r,s,run+" selMiddleStart "+child+","+index+","+split);

function selMiddleEnd(div,child,index,split,s)

  if (flush) document.body.getClientRects();

  var start = div.childNodes[child];

  var r = document.createRange();

  sel.addRange(r);

  r.setStart(start, index);

  r.setEnd(div, 2);

  if (!dry) start.splitText(split);

  check(r,s,run+" selMiddleEnd "+child+","+index+","+split);

function splitBefore(div,child,index,split,s)

  if (flush) document.body.getClientRects();

  var start = div.childNodes[child];

  var r = document.createRange();

  sel.addRange(r);

  r.setStart(div, 1);

  r.setEnd(start, index);

  if (!dry) div.childNodes[0].splitText(split);

  check(r,s,run+" splitBefore "+child+","+index+","+split);

function runTests(s)

  run = s+":";

  selEnd(newDiv('111'), 0,0,0,'111');

  selEnd(newDiv('111'), 0,0,1,'111');

  selEnd(newDiv('111'), 0,0,3,'111');

  selEnd(newDiv(''), 0,0,0,'');

  selEnd(newDiv('111'), 0,1,0,'11');

  selEnd(newDiv('111'), 0,2,1,'1');

  selEnd(newDiv('111'), 0,1,3,'11');

  selEnd(newDiv('111','222'), 0,1,0,'11222');

  selEnd(newDiv('111','222'), 0,2,1,'1222');

  selEnd(newDiv('111','222'), 0,1,3,'11222');

  selEnd(newDiv('111','222'), 1,1,0,'22');

  selEnd(newDiv('111','222'), 1,2,1,'2');

  selEnd(newDiv('','222'), 1,1,1,'22');

  selEnd(newDiv('','222'), 0,0,0,'222');

  selEnd(newDiv('111',''), 0,1,0,'11');

  selEnd(newDiv('111','222'), 1,1,3,'22');

  selEnd(newDiv('111','222','333'), 1,1,0,'22333');

  selEnd(newDiv('111','222','333'), 1,2,1,'2333');

  selEnd(newDiv('111','222','333'), 1,1,3,'22333');

  selEnd(newDiv('111','222',''), 1,1,3,'22');

  selEnd(newDiv('111','','333'), 0,1,3,'11333');

  selStart(newDiv('111'), 0,0,0,'');

  selStart(newDiv('111'), 0,0,1,'');

  selStart(newDiv('111'), 0,0,3,'');

  selStart(newDiv('111'), 0,1,0,'1');

  selStart(newDiv('111'), 0,2,1,'11');

  selStart(newDiv('111'), 0,1,3,'1');

  selStart(newDiv(''), 0,0,0,'');

  selStart(newDiv('111','222'), 0,1,0,'1');

  selStart(newDiv('111','222'), 0,2,1,'11');

  selStart(newDiv('111','222'), 0,1,3,'1');

  selStart(newDiv('111','222'), 1,1,0,'1112');

  selStart(newDiv('111','222'), 1,2,1,'11122');

  selStart(newDiv('111','222'), 1,1,3,'1112');

  selStart(newDiv('','222'), 1,1,2,'2');

  selStart(newDiv('','222'), 0,0,0,'');

  selStart(newDiv('111',''), 1,0,0,'111');

  selStart(newDiv('111','222','333'), 1,1,0,'1112');

  selStart(newDiv('111','222','333'), 1,2,1,'11122');

  selStart(newDiv('111','222','333'), 1,1,3,'1112');

  selStart(newDiv('111','','333'), 1,0,0,'111');

  selStart(newDiv('111','222',''), 1,1,3,'1112');

  selMiddleStart(newDiv('111','222','333'), 1,1,0,'2');

  selMiddleStart(newDiv('111','222','333'), 1,2,1,'22');

  selMiddleStart(newDiv('111','222','333'), 1,1,3,'2');

  selMiddleStart(newDiv('111','222','333'), 2,1,0,'2223');

  selMiddleStart(newDiv('111','222','333'), 2,2,1,'22233');

  selMiddleStart(newDiv('111','222','333'), 2,1,3,'2223');

  selMiddleStart(newDiv('111','','333'), 2,1,2,'3');

  selMiddleStart(newDiv('111','','333'), 1,0,0,'');

  selMiddleEnd(newDiv('111','222','333'), 0,1,0,'11222');

  selMiddleEnd(newDiv('111','222','333'), 0,2,1,'1222');

  selMiddleEnd(newDiv('111','222','333'), 0,1,3,'11222');

  selMiddleEnd(newDiv('111','222','333'), 1,1,0,'22');

  selMiddleEnd(newDiv('111','222','333'), 1,2,1,'2');

  selMiddleEnd(newDiv('111','222','333'), 1,1,3,'22');

  selMiddleEnd(newDiv('111','','333'), 0,1,2,'11');

  selMiddleEnd(newDiv('111','','333'), 0,1,3,'11');

  selMiddleEnd(newDiv('111','','333'), 1,0,0,'');

  splitBefore(newDiv('111','222','333'), 1,1,0,'2');

  splitBefore(newDiv('111','222','333'), 1,2,1,'22');

  splitBefore(newDiv('111','222','333'), 1,1,3,'2');

  splitBefore(newDiv('111','222','333'), 2,1,0,'2223');

  splitBefore(newDiv('111','222','333'), 2,2,1,'22233');

  splitBefore(newDiv('111','222','333'), 2,1,3,'2223');

  splitBefore(newDiv('','222','333'), 1,1,0,'2');

  splitBefore(newDiv('','','333'), 1,0,0,'');

  splitBefore(newDiv('','222',''), 2,0,0,'222');

  splitBefore(newDiv('111','','333'), 2,1,2,'3');

function boom()

  runTests("dry run");  // this is to verify the result strings without splitText()

  dry = false;

  flush = false;

  runTests("no flush");

  flush = true;

  runTests("flush");

boom();

</script>

</pre>

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