+
+ it('keeps an empty paragraph after deleting its whole text ' + key, function() {
+ var c = getCanvasFromXML('<section><div class="p">Alice</div></section>'),
+ k = new Keyboard(c);
+
+ k.withSelection('|Alice', 'Alice|').press(key);
+ var rootContents = c.wlxmlDocument.root.contents();
+
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].contents()[0].getText()).to.equal('');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.wlxmlNode.parent().sameNode(c.wlxmlDocument.root.contents()[0]));
+ });
+ });
+
+ });
+
+
+ describe('backspace at the beginning', function() {
+ afterEach(removeCanvas);
+
+ it('merges two adjacent paragraphs', function() {
+ var c = getCanvasFromXML('<section><div class="p">A</div><div class="p">B</div></section>'),
+ k = new Keyboard(c);
+
+ k.withCaret('|B').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].getClass()).to.equal('p');
+ expect(rootContents[0].contents()[0].getText()).to.equal('AB');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('AB', c))).to.equal(true);
+ expect(selection.offset).to.equal(1);
+ });
+ it('merges a paragraph with a header', function() {
+ var c = getCanvasFromXML('<section><header>A</header><div class="p">B</div></section>'),
+ k = new Keyboard(c);
+
+ k.withCaret('|B').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].getTagName()).to.equal('header');
+ expect(rootContents[0].contents()[0].getText()).to.equal('AB');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('AB', c))).to.equal(true);
+ expect(selection.offset).to.equal(1);
+ });
+ it('merges two adjacent headers', function() {
+ var c = getCanvasFromXML('<section><header>A</header><header>B</header></section>'),
+ k = new Keyboard(c);
+
+ k.withCaret('|B').press(K.BACKSPACE);
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].getTagName()).to.equal('header');
+ expect(rootContents[0].contents()[0].getText()).to.equal('AB');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('AB', c))).to.equal(true);
+ expect(selection.offset).to.equal(1);
+ });
+ it('merges a header with a paragraph', function() {
+ var c = getCanvasFromXML('<section><div class="p">A</div><header>B</header></section>'),
+ k = new Keyboard(c);
+
+ k.withCaret('|B').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].is('p')).to.equal(true);
+ expect(rootContents[0].contents()[0].getText()).to.equal('AB');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('AB', c))).to.equal(true);
+ expect(selection.offset).to.equal(1);
+ });
+ it('merges a paragraph into a last list item', function() {
+ var c = getCanvasFromXML('<section><div class="list"><div class="item">item</div></div><div class="p">paragraph</div></section>'),
+ list = c.wlxmlDocument.root.contents()[0],
+ k = new Keyboard(c);
+
+ k.withCaret('|paragraph').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+ expect(rootContents[0].sameNode(list)).to.equal(true);
+
+ var items = list.contents();
+ expect(items.length).to.equal(1);
+ expect(items[0].contents()[0].getText()).to.equal('itemparagraph');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('itemparagraph', c))).to.equal(true);
+ expect(selection.offset).to.equal(4);
+ });
+ it('merges a list item with a list item', function() {
+ var c = getCanvasFromXML('<section><div class="list"><div class="item">item1</div><div class="item">item2</div></div></section>'),
+ list = c.wlxmlDocument.root.contents()[0],
+ k = new Keyboard(c);
+
+ k.withCaret('|item2').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+
+ expect(rootContents[0].sameNode(list)).to.equal(true);
+
+ var items = list.contents();
+
+ expect(items.length).to.equal(1);
+ expect(items[0].contents()[0].getText()).to.equal('item1item2');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('item1item2', c))).to.equal(true);
+ expect(selection.offset).to.equal(5);
+ });
+ it('creates a new paragraph preceding the list from a first list item', function() {
+ var c = getCanvasFromXML('<section><div class="list"><div class="item">item1</div><div class="item">item2</div></div></section>'),
+ list = c.wlxmlDocument.root.contents()[0],
+ k = new Keyboard(c);
+
+ k.withCaret('|item1').press(K.BACKSPACE);
+
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(2);
+
+ expect(rootContents[0].getClass()).to.equal('p');
+ expect(rootContents[0].contents()[0].getText()).to.equal('item1');
+
+ expect(rootContents[1].sameNode(list)).to.equal(true);
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('item1', c))).to.equal(true);
+ expect(selection.offset).to.equal(0);
+ });
+ it('removes list after moving up its only item', function() {
+ var c = getCanvasFromXML('<section><div class="list"><div class="item">item</div></div></section>'),
+ k = new Keyboard(c);
+
+ k.withCaret('|item').press(K.BACKSPACE);
+ var rootContents = c.wlxmlDocument.root.contents();
+ expect(rootContents.length).to.equal(1);
+
+ expect(rootContents[0].getClass()).to.equal('p');
+ expect(rootContents[0].contents()[0].getText()).to.equal('item');
+
+ var selection = c.getSelection();
+ expect(selection.type).to.equal('caret');
+ expect(selection.element.sameNode(getTextElement('item', c))).to.equal(true);
+ expect(selection.offset).to.equal(0);
+ });