assertContainsOnlyInstancesOf()

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

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.