assertEmpty()

assertEmpty()

assertEmpty(mixed $actual[, string $message = ''])

當(dāng) $actual 非空時(shí)報(bào)告錯(cuò)誤，錯(cuò)誤訊息由 $message 指定。

assertNotEmpty() 是與之相反的斷言，接受相同的參數(shù)。

assertAttributeEmpty() 和 assertAttributeNotEmpty() 是便捷包裝(convenience wrapper)，可以應(yīng)用于某個(gè)類(lèi)或?qū)ο蟮哪硞€(gè) public、protected 或 private 屬性。

Example?A.11.?assertEmpty() 的用法

<?php
class EmptyTest extends PHPUnit_Framework_TestCase
{
    public function testFailure()
    {
        $this->assertEmpty(array('foo'));
    }
}
?>

phpunit EmptyTest

PHPUnit 5.0.0 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.