Developer
<?php
namespace Hamcrest\Core;
class IsNullTest extends \Hamcrest\AbstractMatcherTest
{
protected function createMatcher()
{
return \Hamcrest\Core\IsNull::nullValue();
}
public function testEvaluatesToTrueIfArgumentIsNull()
{
assertThat(null, nullValue());
assertThat(self::ANY_NON_NULL_ARGUMENT, not(nullValue()));
assertThat(self::ANY_NON_NULL_ARGUMENT, notNullValue());
assertThat(null, not(notNullValue()));
}
}
Developer
In case of an error, the API will return an error response containing a specific error code 400, 403 Failed and a user-friendly message. Refer to our API documentation for a comprehensive list of error codes and their descriptions.