assertStringStartsWith()
最后更新于：2022-04-01 03:48:16
# assertStringStartsWith()
>[info] ## 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。
**Example A.41. assertStringStartsWith() 的用法**
~~~
<?php
class StringStartsWithTest extends PHPUnit_Framework_TestCase
{
public function testFailure()
{
$this->assertStringStartsWith('prefix', 'foo');
}
}
?>
~~~
~~~
phpunit StringStartsWithTest
PHPUnit 5.0.0 by Sebastian Bergmann and contributors.
F
Time: 0 seconds, Memory: 5.00Mb
There was 1 failure:
1) StringStartsWithTest::testFailure
Failed asserting that 'foo' starts with "prefix".
/home/sb/StringStartsWithTest.php:6
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.
~~~