/** appendChild, insertBefore, removeChild, replaceChild. */
public void testAppendRemoveReplace() {
Document doc = Document.get();
BodyElement body = doc.getBody();
// <div>foo<button/>bar</div>
DivElement div = doc.createDivElement();
Text txt0 = doc.createTextNode("foo");
ButtonElement btn0 = doc.createButtonElement();
Text txt1 = doc.createTextNode("bar");
body.appendChild(div);
div.appendChild(txt0);
div.appendChild(btn0);
div.appendChild(txt1);
// appendChild, insertBefore
ButtonElement btn1 = doc.createButtonElement();
// <div>foo<btn0/>bar<btn1/></div>
div.appendChild(btn1);
assertEquals(btn1, div.getLastChild());
// <div>foo<button/>bar<button/></div>
div.insertBefore(btn1, txt1);
assertEquals(4, div.getChildNodes().getLength());
assertEquals(btn1, div.getChildNodes().getItem(2));
// removeChild
// <div>foo<btn0/>bar</div> (back to original)
div.removeChild(btn1);
assertEquals(3, div.getChildNodes().getLength());
// replaceChild
// <div>foo<btn1/>bar</div>
div.replaceChild(btn1, btn0);
assertEquals(btn1, txt0.getNextSibling());
assertEquals(btn1, txt1.getPreviousSibling());
// insertAfter
// <div>foo<btn1/><btn0/>bar</div>
div.insertAfter(btn0, btn1);
assertEquals(btn0, btn1.getNextSibling());
// insertFirst
// <div><btn1/>foo<btn0/>bar</div>
div.insertFirst(btn1);
assertEquals(btn1, div.getFirstChild());
// removeFromParent
// <div>foo<btn0/>bar</div>
btn1.removeFromParent();
assertNull(btn1.getParentElement());
assertEquals(txt0, div.getFirstChild());
}
/** childNodes, hasChildNodes. */
public void testChildNodeList() {
Document doc = Document.get();
BodyElement body = doc.getBody();
// <div>foo<button/>bar</div>
DivElement div = doc.createDivElement();
Text txt0 = doc.createTextNode("foo");
ButtonElement btn0 = doc.createButtonElement();
Text txt1 = doc.createTextNode("bar");
body.appendChild(div);
div.appendChild(txt0);
div.appendChild(btn0);
div.appendChild(txt1);
NodeList<Node> children = div.getChildNodes();
assertEquals(3, children.getLength());
assertEquals(txt0, children.getItem(0));
assertEquals(btn0, children.getItem(1));
assertEquals(txt1, children.getItem(2));
assertEquals(3, div.getChildCount());
assertEquals(txt0, div.getChild(0));
assertEquals(btn0, div.getChild(1));
assertEquals(txt1, div.getChild(2));
assertFalse(txt0.hasChildNodes());
assertTrue(div.hasChildNodes());
}