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Filename : dom.js
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(function() {

var paper,
    url = 'http://raphaeljs.com';

module('DOM', {
  setup: function() {
    paper = new Raphael(document.getElementById('qunit-fixture'), 1000, 1000);
  },
  teardown: function() {
    paper.remove();
  }
});

var equalNodePosition = function(node, expectedParent, expectedPreviousSibling, expectedNextSibling) {
  equal(node.parentNode, expectedParent);
  equal(node.previousSibling, expectedPreviousSibling);
  equal(node.nextSibling, expectedNextSibling);
};

var equalNodePositionWrapped = function(node, anchor, expectedParent, expectedPreviousSibling, expectedNextSibling) {
  equal(node.parentNode, anchor);
  equalNodePosition(anchor, expectedParent, expectedPreviousSibling, expectedNextSibling);
};

// Element#insertBefore
// --------------------

test('insertBefore: no element', function() {
  var el = paper.rect();

  el.insertBefore(null);

  equalNodePosition(el.node, paper.canvas, paper.defs, null);
});

test('insertBefore: first element', function() {
  var x = paper.rect();
  var el = paper.rect();

  el.insertBefore(x);

  equalNodePosition(el.node, paper.canvas, paper.defs, x.node);
});

test('insertBefore: middle element', function() {
  var x = paper.rect();
  var y = paper.rect();
  var el = paper.rect();

  el.insertBefore(y);

  equalNodePosition(el.node, paper.canvas, x.node, y.node);
});

test('insertBefore: no element when wrapped in <a>', function() {
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertBefore(null);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, paper.defs, null);
});

test('insertBefore: first element when wrapped in <a>', function() {
  var x = paper.rect();
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertBefore(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, paper.defs, x.node);
});

test('insertBefore: first element wrapped in <a> and wrapped in <a>', function() {
  var x = paper.rect().attr('href', url),
      xAnchor = x.node.parentNode;
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertBefore(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, paper.defs, xAnchor);
});

test('insertBefore: middle element when wrapped in <a>', function() {
  var x = paper.rect();
  var y = paper.rect();
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertBefore(y);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, x.node, y.node);
});

test('insertBefore: middle element wrapped in <a> and wrapped in <a>', function() {
  var x = paper.rect().attr('href', url),
      xAnchor = x.node.parentNode;
  var y = paper.rect().attr('href', url),
      yAnchor = y.node.parentNode;
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertBefore(y);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, xAnchor, yAnchor);
});

// TODO...
// insertBefore: with set
// insertBefore: with nested set.

// Element#insertAfter
// -------------------

test('insertAfter: no element', function() {
  var el = paper.rect();

  el.insertAfter(null);

  equalNodePosition(el.node, paper.canvas, paper.defs, null);
});

test('insertAfter: last element', function() {
  var x = paper.rect();
  var el = paper.rect();

  el.insertAfter(x);

  equalNodePosition(el.node, paper.canvas, x.node, null);
});

test('insertAfter: middle element', function() {
  var x = paper.rect();
  var y = paper.rect();
  var el = paper.rect();

  el.insertAfter(x);

  equalNodePosition(el.node, paper.canvas, x.node, y.node);
});

test('insertAfter: no element when wrapped in <a>', function() {
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertAfter(null);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, paper.defs, null);
});

test('insertAfter: last element when wrapped in <a>', function() {
  var x = paper.rect();
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertAfter(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, x.node, null);
});

test('insertAfter: last element wrapped in <a> and wrapped in <a>', function() {
  var x = paper.rect().attr('href', url),
      xAnchor = x.node.parentNode;
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertAfter(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, xAnchor, null);
});

test('insertAfter: middle element when wrapped in <a>', function() {
  var x = paper.rect();
  var y = paper.rect();
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertAfter(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, x.node, y.node);
});

test('insertAfter: middle element wrapped in <a> and wrapped in <a>', function() {
  var x = paper.rect().attr('href', url),
      xAnchor = x.node.parentNode;
  var y = paper.rect().attr('href', url),
      yAnchor = y.node.parentNode;
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.insertAfter(x);

  equalNodePositionWrapped(el.node, anchor, paper.canvas, xAnchor, yAnchor);
});

// TODO...
// insertAfter: with set
// insertAfter: with nested set.

// Element#remove
// --------------

test('remove: after added', function() {
  var el = paper.rect(),
      node = el.node;

  el.remove();

  equal(el.node, null);
  equal(node.parentNode, null);
});

test('remove: when wrapped in <a>', function() {
  var el = paper.rect().attr('href', url),
      node = el.node,
      anchor = node.parentNode;

  el.remove();

  equal(el.node, null);
  equal(node.parentNode, anchor);
  equal(anchor.parentNode, null);
});

test('remove: when already removed', function() {
  var el = paper.rect(),
      node = el.node;

  el.remove();
  el.remove();

  equal(el.node, null);
  equal(node.parentNode, null);
});

test('remove: when the canvas is removed', function() {
  var el = paper.rect(),
      node = el.node;

  paper.remove();
  el.remove();

  equal(el.node, null);
  equal(node.parentNode, null);
});

// Element#toFront
// --------------

test('toFront: normal', function() {
  var el = paper.rect();
  var x = paper.rect();

  el.toFront();

  equalNodePosition(el.node, paper.canvas, x.node, null);
});

test('toFront: when wrapped in <a>', function() {
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;
  var x = paper.rect();

  el.toFront();

  equalNodePositionWrapped(el.node, anchor, paper.canvas, x.node, null);
});

// Element#toBack
// --------------

test('toBack: normal', function() {
  var x = paper.rect();
  var el = paper.rect();

  el.toBack();

  equalNodePosition(el.node, paper.canvas, null, paper.desc);
  equalNodePosition(x.node, paper.canvas, paper.defs, null);
});

test('toBack: when wrapped in <a>', function() {
  var x = paper.rect();
  var el = paper.rect().attr('href', url),
      anchor = el.node.parentNode;

  el.toBack();

  equalNodePositionWrapped(el.node, anchor, paper.canvas, null, paper.desc);
  equalNodePosition(x.node, paper.canvas, paper.defs, null);
});


// Element#attrs
// -------------

// #x

// #y

// #rx

// #ry

// #transform

// #title

// #href

//keep adding and testing!



})();