public function testCreateRoot()
 {
     $t = new Table10();
     $t->createRoot();
     $this->assertEquals($t->getLeftValue(), 1, 'createRoot() is an alias for makeRoot()');
     $this->assertEquals($t->getRightValue(), 2, 'createRoot() is an alias for makeRoot()');
     $this->assertEquals($t->getLevel(), 0, 'createRoot() is an alias for makeRoot()');
 }
 public function testCompatibilityProxies()
 {
     $proxies = array('createRoot', 'retrieveParent', 'setParentNode', 'getNumberOfDescendants', 'getNumberOfChildren', 'retrievePrevSibling', 'retrieveNextSibling', 'retrieveFirstChild', 'retrieveLastChild', 'getPath');
     foreach ($proxies as $method) {
         $this->assertFalse(method_exists('Table9', $method), 'proxies are not enabled by default');
         $this->assertTrue(method_exists('Table10', $method), 'setting method_proxies to true adds compatibility proxies');
     }
     $t = new Table10();
     $t->createRoot();
     $this->assertEquals($t->getLeftValue(), 1, 'createRoot() is an alias for makeRoot()');
     $this->assertEquals($t->getRightValue(), 2, 'createRoot() is an alias for makeRoot()');
     $this->assertEquals($t->getLevel(), 0, 'createRoot() is an alias for makeRoot()');
 }