assertEmpty()
assertEmpty(mixed $actual[, string $message = ''])
Reports an error identified by $message if $actual is not empty.
assertNotEmpty() is the inverse of this assertion and takes the same arguments.
assertAttributeEmpty() and assertAttributeNotEmpty() are convenience wrappers that can be applied to a public, protected, or private attribute of a class or object.
Example A.14: Usage of assertEmpty()
<?php
use PHPUnit\Framework\TestCase;
class EmptyTest extends TestCase
{
public function testFailure()
{
$this->assertEmpty(['foo']);
}
}
?>
phpunit EmptyTest PHPUnit 5.6.0 by Sebastian Bergmann and contributors. F Time: 0 seconds, Memory: 4.75Mb There was 1 failure: 1) EmptyTest::testFailure Failed asserting that an array is empty. /home/sb/EmptyTest.php:6 FAILURES! Tests: 1, Assertions: 1, Failures: 1.
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