assertEmpty()


assertEmpty(mixed $actual[, string $message = ''])

当 $actual 非空时报告错误，错误讯息由 $message 指定。

assertNotEmpty() 是与之相反的断言，接受相同的参数。

assertAttributeEmpty() 和 assertAttributeNotEmpty() 是便捷包装(convenience wrapper)，可以应用于某个类或对象的某个 public、protected 或 private 属性。


例 A.11: assertEmpty() 的用法

  1. <?php
  2. class EmptyTest extends PHPUnit_Framework_TestCase
  3. {
  4.     public function testFailure()
  5.     {
  6.         $this->assertEmpty(array('foo'));
  7.     }
  8. }
  9. ?>
  1. phpunit EmptyTest
  2. PHPUnit 4.8.0 by Sebastian Bergmann and contributors.
  3.  
  4. F
  5.  
  6. Time: 0 seconds, Memory: 4.75Mb
  7.  
  8. There was 1 failure:
  9.  
  10. 1) EmptyTest::testFailure
  11. Failed asserting that an array is empty.
  12.  
  13. /home/sb/EmptyTest.php:6
  14.  
  15. FAILURES!
  16. Tests: 1, Assertions: 1, Failures: 1.