public function testReturnsMember()
 {
     $s = new StructureShape(['members' => ['foo' => ['type' => 'string']]], new ShapeMap([]));
     $this->assertTrue($s->hasMember('foo'));
     $this->assertInstanceOf('Vws\\Api\\Shape', $s->getMember('foo'));
     $this->assertEquals('string', $s->getMember('foo')->getType());
 }
 private function check_structure(StructureShape $shape, $value)
 {
     if (!$this->checkAssociativeArray($value)) {
         return;
     }
     if ($shape['required']) {
         foreach ($shape['required'] as $req) {
             if (!isset($value[$req])) {
                 $this->path[] = $req;
                 $this->addError('is missing and is a required parameter');
                 array_pop($this->path);
             }
         }
     }
     foreach ($value as $name => $v) {
         if ($shape->hasMember($name)) {
             $this->path[] = $name;
             $this->dispatch($shape->getMember($name), isset($value[$name]) ? $value[$name] : null);
             array_pop($this->path);
         }
     }
 }