PHP Symfony\Component\Config\Definition\Builder BooleanNodeDefinition::cannotBeEmpty示例

示例#1

文件： BooleanNodeDefinitionTest.php 项目： JesseDarellMoore/CS499

 /**
  * @expectedException Symfony\Component\Config\Definition\Exception\InvalidDefinitionException
  * @expectedExceptionMessage ->cannotBeEmpty() is not applicable to BooleanNodeDefinition.
  */
 public function testCannotBeEmptyThrowsAnException()
 {
     $def = new BooleanNodeDefinition('foo');
     $def->cannotBeEmpty();
 }