assertContainsOnlyInstancesOf()
最后更新于：2022-04-01 03:47:14
# assertContainsOnlyInstancesOf()
>[info] ## assertContainsOnlyInstancesOf(string $classname, Traversable|array $haystack[, string $message = ''])
当 `$haystack` 并非仅包含类 `$classname` 的实例时报告错误，错误讯息由 `$message` 指定。
**Example A.9. assertContainsOnlyInstancesOf() 的用法**
~~~
<?php
class ContainsOnlyInstancesOfTest extends PHPUnit_Framework_TestCase
{
public function testFailure()
{
$this->assertContainsOnlyInstancesOf('Foo', array(new Foo(), new Bar(), new Foo()));
}
}
?>
~~~
~~~
phpunit ContainsOnlyInstancesOfTest
PHPUnit 5.0.0 by Sebastian Bergmann and contributors.
F
Time: 0 seconds, Memory: 5.00Mb
There was 1 failure:
1) ContainsOnlyInstancesOfTest::testFailure
Failed asserting that Array ([0]=> Bar Object(...)) is an instance of class "Foo".
/home/sb/ContainsOnlyInstancesOfTest.php:6
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.
~~~