assertEmpty()

1	`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.

Links:

https://phpunit.de/manual/5.6/en/appendixes.assertions.html#appendixes.assertions.assertEmpty

doc_PHPUnit

2025-01-10 15:47:30

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