hunk.code_window:  * @api public
    */
   exports.css = function(prop, val) {
     if (undefined == prop) return get.call(this);
     if (arguments.length === 2 ||
       // When `prop` is a "plain" object
       (toString.call(prop) === '[object Object]')) {
  
hunk.labels: keep keep keep keep replace replace keep keep keep
hunk.file_path: lib/api/css.js
hunk.type: replace
file: var expect = require('expect.js'),
      $ = require('../'),
      fruits = require('./fixtures').fruits;
  
  describe('$(...)', function() {
  
    describe('.append', function() {
  
      it('() : should do nothing', function() {
        expect($('#fruits', fruits).append()[0].name).to.equal('ul');
      });
  
      it('(html) : should add element as last child', function() {
        var $fruits = $(fruits);
        $fruits.append('<li class="plum">Plum</li>');
        expect($fruits.children(3).hasClass('plum')).to.be.ok();
      });
  
      it('($(...)) : should add element as last child', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        $fruits.append($plum);
        expect($fruits.children(3).hasClass('plum')).to.be.ok();
      });
  
      it('($(...), html) : should add multiple elements as last children', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        var grape = '<li class="grape">Grape</li>';
        $fruits.append($plum, grape);
        expect($fruits.children(3).hasClass('plum')).to.be.ok();
        expect($fruits.children(4).hasClass('grape')).to.be.ok();
      });
  
      it('(Array) : should append all elements in the array', function() {
        var $fruits = $(fruits);
        var more = $('<li class="plum">Plum</li><li class="grape">Grape</li>')
          .toArray();
        $fruits.append(more);
        expect($fruits.children(3).hasClass('plum')).to.be.ok();
        expect($fruits.children(4).hasClass('grape')).to.be.ok();
      });
  
      it('(fn) : should add returned element as last child');
  
      it('should maintain correct object state (Issue: #10)', function() {
        var $obj = $('<div></div>')
          .append('<div><div></div></div>')
          .children()
          .children()
          .parent();
        expect($obj).to.be.ok();
      });
  
    });
  
    describe('.prepend', function() {
  
      it('() : should do nothing', function() {
        expect($('#fruits', fruits).prepend()[0].name).to.equal('ul');
      });
  
      it('(html) : should add element as first child', function() {
        var $fruits = $(fruits);
        $fruits.prepend('<li class="plum">Plum</li>');
        expect($fruits.children(0).hasClass('plum')).to.be.ok();
      });
  
      it('($(...)) : should add element as first child', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        $fruits.prepend($plum);
        expect($fruits.children(0).hasClass('plum')).to.be.ok();
      });
  
      it('(Array) : should add all elements in the array as inital children', function() {
        var $fruits = $(fruits);
        var more = $('<li class="plum">Plum</li><li class="grape">Grape</li>')
          .toArray();
        $fruits.prepend(more);
        expect($fruits.children(0).hasClass('plum')).to.be.ok();
        expect($fruits.children(1).hasClass('grape')).to.be.ok();
      });
  
      it('(html, $(...), html) : should add multiple elements as first children', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        var grape = '<li class="grape">Grape</li>';
        $fruits.prepend($plum, grape);
        expect($fruits.children(0).hasClass('plum')).to.be.ok();
        expect($fruits.children(1).hasClass('grape')).to.be.ok();
      });
  
      it('(fn) : should add returned element as first child');
  
    });
  
    describe('.after', function() {
  
      it('() : should do nothing', function() {
        expect($('#fruits', fruits).after()[0].name).to.equal('ul');
      });
  
      it('(html) : should add element as next sibling', function() {
        var $fruits = $(fruits);
        var grape = '<li class="grape">Grape</li>';
        $('.apple', $fruits).after(grape);
        expect($('.apple', $fruits).next().hasClass('grape')).to.be.ok();
      });
  
      it('(Array) : should add all elements in the array as next sibling', function() {
        var $fruits = $(fruits);
        var more = $('<li class="plum">Plum</li><li class="grape">Grape</li>')
          .toArray();
        $('.apple', $fruits).after(more);
        expect($fruits.children(1).hasClass('plum')).to.be.ok();
        expect($fruits.children(2).hasClass('grape')).to.be.ok();
      });
  
      it('($(...)) : should add element as next sibling', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        $('.apple', $fruits).after($plum);
        expect($('.apple', $fruits).next().hasClass('plum')).to.be.ok();
      });
  
      it('($(...), html) : should add multiple elements as next siblings', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        var grape = '<li class="grape">Grape</li>';
        $('.apple', $fruits).after($plum, grape);
        expect($('.apple', $fruits).next().hasClass('plum')).to.be.ok();
        expect($('.plum', $fruits).next().hasClass('grape')).to.be.ok();
      });
  
      it('(fn) : should add returned element as next sibling');
  
    });
  
    describe('.before', function() {
  
      it('() : should do nothing', function() {
        expect($('#fruits', fruits).before()[0].name).to.equal('ul');
      });
  
      it('(html) : should add element as previous sibling', function() {
        var $fruits = $(fruits);
        var grape = '<li class="grape">Grape</li>';
        $('.apple', $fruits).before(grape);
        expect($('.apple', $fruits).prev().hasClass('grape')).to.be.ok();
      });
  
      it('($(...)) : should add element as previous sibling', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        $('.apple', $fruits).before($plum);
        expect($('.apple', $fruits).prev().hasClass('plum')).to.be.ok();
      });
  
      it('(Array) : should add all elements in the array as previous sibling', function() {
        var $fruits = $(fruits);
        var more = $('<li class="plum">Plum</li><li class="grape">Grape</li>')
          .toArray();
        $('.apple', $fruits).before(more);
        expect($fruits.children(0).hasClass('plum')).to.be.ok();
        expect($fruits.children(1).hasClass('grape')).to.be.ok();
      });
  
      it('($(...), html) : should add multiple elements as previous siblings', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        var grape = '<li class="grape">Grape</li>';
        $('.apple', $fruits).before($plum, grape);
        expect($('.apple', $fruits).prev().hasClass('grape')).to.be.ok();
        expect($('.grape', $fruits).prev().hasClass('plum')).to.be.ok();
      });
  
      it('(fn) : should add returned element as previous sibling');
  
    });
  
    describe('.remove', function() {
  
      it('() : should remove selected elements', function() {
        var $fruits = $(fruits);
        $('.apple', $fruits).remove();
        expect($fruits.find('.apple')).to.have.length(0);
      });
  
      it('(selector) : should remove matching selected elements', function() {
        var $fruits = $(fruits);
        $('li', $fruits).remove('.apple');
        expect($fruits.find('.apple')).to.have.length(0);
      });
  
    });
  
    describe('.replaceWith', function() {
  
      it('(elem) : should replace one <li> tag with another', function() {
        var $fruits = $(fruits);
        var $plum = $('<li class="plum">Plum</li>');
        $('.pear', $fruits).replaceWith($plum);
        expect($('.orange', $fruits).next().hasClass('plum')).to.be.ok();
        expect($('.orange', $fruits).next().html()).to.equal('Plum');
      });
  
      it('(Array) : should replace one <li> tag with the elements in the array', function() {
        var $fruits = $(fruits);
        var more = $('<li class="plum">Plum</li><li class="grape">Grape</li>')
          .toArray();
        $('.pear', $fruits).replaceWith(more);
  
        expect($fruits.children(2).hasClass('plum')).to.be.ok();
        expect($fruits.children(3).hasClass('grape')).to.be.ok();
      });
  
      it('(elem) : should replace the selected element with given element', function() {
        var $src = $('<ul></ul>');
        var $elem = $('<h2>hi <span>there</span></h2>');
        var $replaced = $src.replaceWith($elem);
        expect($replaced[0].parent.type).to.equal('root');
        expect($.html($replaced[0].parent)).to.equal('<h2>hi <span>there</span></h2>');
        expect($.html($replaced)).to.equal('<ul></ul>');
      });
  
      it('(elem) : should replace the single selected element with given element', function() {
        var $src = $('<br/>');
        var $elem = $('<h2>hi <span>there</span></h2>');
        var $replaced = $src.replaceWith($elem);
        expect($replaced[0].parent.type).to.equal('root');
        expect($.html($replaced[0].parent)).to.equal('<h2>hi <span>there</span></h2>');
        expect($.html($replaced)).to.equal('<br>');
      });
  
      it('(str) : should accept strings', function() {
        var $src = $('<br/>');
        var $replaced = $src.replaceWith('<h2>hi <span>there</span></h2>');
        expect($replaced[0].parent.type).to.equal('root');
        expect($.html($replaced[0].parent)).to.equal('<h2>hi <span>there</span></h2>');
        expect($.html($replaced)).to.equal('<br>');
      });
  
    });
  
    describe('.empty', function() {
  
      it('() : should remove all children from selected elements', function() {
        var $fruits = $(fruits);
        $('#fruits', $fruits).empty();
        expect($('#fruits', $fruits).children()).to.have.length(0);
      });
  
    });
  
    describe('.html', function() {
  
      it('() : should get the innerHTML for an element', function() {
        var $fruits = $(fruits);
        expect($fruits.html()).to.equal([
          '<li class="apple">Apple</li>',
          '<li class="orange">Orange</li>',
          '<li class="pear">Pear</li>'
        ].join(''));
      });
  
      it('() : should get innerHTML even if its just text', function() {
        var item = '<li class="pear">Pear</li>';
        expect($('.pear', item).html()).to.equal('Pear');
      });
  
      it('() : should return empty string if nothing inside', function() {
        var item = '<li></li>';
        expect($('li', item).html()).to.equal('');
      });
  
      it('(html) : should set the html for its children', function() {
        var $fruits = $(fruits);
        $fruits.html('<li class="durian">Durian</li>');
        var html = $fruits.html();
        expect(html).to.equal('<li class="durian">Durian</li>');
      });
  
      it('(elem) : should set the html for its children with element', function() {
        var $fruits = $(fruits);
        $fruits.html($('<li class="durian">Durian</li>'));
        var html = $fruits.html();
        expect(html).to.equal('<li class="durian">Durian</li>');
      });
  
    });
    
    describe('.toString', function() {
      it('() : should get the outerHTML for an element', function() {
        var $fruits = $(fruits);
        expect($fruits.toString()).to.equal(fruits);
      });
      
      it('() : should return an html string for a set of elements', function() {
        var $fruits = $(fruits);
        expect($fruits.find('li').toString()).to.equal('<li class="apple">Apple</li><li class="orange">Orange</li><li class="pear">Pear</li>');
      });
      
      it('() : should be called implicitly', function() {
        var string = [$("<foo>"), $("<bar>"), $("<baz>")].join("");
        expect(string).to.equal('<foo></foo><bar></bar><baz></baz>');
      });
    });
  
    describe('.text', function() {
  
      it('() : gets the text for a single element', function() {
        expect($('.apple', fruits).text()).to.equal('Apple');
      });
  
      it('() : combines all text from children text nodes', function() {
        expect($('#fruits', fruits).text()).to.equal('AppleOrangePear');
      });
  
      it('(text) : sets the text for the child node', function() {
        var $fruits = $(fruits);
        $('.apple', $fruits).text('Granny Smith Apple');
        expect($('.apple', $fruits)[0].children[0].data).to.equal('Granny Smith Apple');
      });
  
      it('should allow functions as arguments', function() {
        var $fruits = $(fruits);
        $('.apple', $fruits).text(function(idx, content) {
          expect(idx).to.equal(0);
          expect(content).to.equal('Apple');
          return 'whatever mate';
        });
        expect($('.apple', $fruits)[0].children[0].data).to.equal('whatever mate');
      });
  
      it('should decode special chars', function() {
        var text = $('<p>M&amp;M</p>').text();
        expect(text).to.equal('M&M');
      });
  
      it('should work with special chars added as strings', function() {
        var text = $('<p>M&M</p>').text();
        expect(text).to.equal('M&M');
      });
  
      it('( undefined ) : should act as an accessor', function() {
        var $div = $('<div>test</div>');
        expect($div.text(undefined)).to.be.a('string');
        expect($div.text()).to.be('test');
      });
  
      it('( "" ) : should convert to string', function() {
        var $div = $('<div>test</div>');
        expect($div.text('').text()).to.equal('');
      });
  
      it('( null ) : should convert to string', function() {
        expect($('<div>').text(null).text()).to.equal('null');
      });
  
      it('( 0 ) : should convert to string', function() {
        expect($('<div>').text(0).text()).to.equal('0');
      });
  
      it('(str) should encode then decode unsafe characters', function() {
        var $apple = $('.apple', fruits);
        
        $apple.text('blah <script>alert("XSS!")</script> blah');
        expect($apple[0].children[0].data).to.equal('blah &lt;script&gt;alert(&quot;XSS!&quot;)&lt;/script&gt; blah');
        expect($apple.text()).to.equal('blah <script>alert("XSS!")</script> blah');
  
        $apple.text('blah <script>alert("XSS!")</script> blah');
        expect($apple.html()).to.not.contain('<script>alert("XSS!")</script>');
      });
    });
  
  });
  