public function testMergeModified_WithDots_NewKey()
{
$structure = new Structure();
$structure->merge(array('param1' => array('sub1' => 'value1')));
$structure->merge(array('param2' => array('sub2' => 'value2')));
$this->assertEquals(array('param1' => array('sub1' => 'value1'), 'param2' => array('sub2' => 'value2')), $structure->toArray());
$this->assertTrue($structure->isModified('param1'));
$this->assertTrue($structure->isModified('param2'));
}