assertStringStartsWith()


assertStringStartsWith(string $prefix, string $string[, string $message = ''])

当 $string 不以 $prefix 开头时报告错误，错误讯息由 $message 指定。

assertStringStartsNotWith() 是与之相反的断言，并接受相同的参数。


例 A.39: assertStringStartsWith() 的用法

  1. <?php
  2. class StringStartsWithTest extends PHPUnit_Framework_TestCase
  3. {
  4.     public function testFailure()
  5.     {
  6.         $this->assertStringStartsWith('prefix', 'foo');
  7.     }
  8. }
  9. ?>
  1. phpunit StringStartsWithTest
  2. PHPUnit 4.8.0 by Sebastian Bergmann and contributors.
  3.  
  4. F
  5.  
  6. Time: 0 seconds, Memory: 5.00Mb
  7.  
  8. There was 1 failure:
  9.  
  10. 1) StringStartsWithTest::testFailure
  11. Failed asserting that 'foo' starts with "prefix".
  12.  
  13. /home/sb/StringStartsWithTest.php:6
  14.  
  15. FAILURES!
  16. Tests: 1, Assertions: 1, Failures: 1.