/** Tests for {@link TextNode::append}. */
public function testAppend()
{
$node = new TextNode('Hello');
$result = $node->append(' there');
$this->assertSame('Hello there', $node->getText(), 'Single text not added correctly.');
$this->assertSame($node, $result, 'The returned object is not the same object that was called.');
$node = new TextNode('Hi');
$result = $node->append(' there', ', how', ' are', ' you?');
$this->assertSame('Hi there, how are you?', $node->getText(), 'Multipe texts not added correctly.');
}
