[TOC] ## 语法 异常语法 ``` expectException(); expectExceptionCode(); expectExceptionMessage(); expectExceptionMessageRegExp(); ``` ## 实例 ### 对异常进行测试 ``` <?php use PHPUnit\Framework\TestCase; class ExceptionTest extends TestCase { public function testException() { $this->expectException(InvalidArgumentException::class); throw new InvalidArgumentException(); } } ```