assertArrayHasKey()

assertArrayHasKey(mixed $key, array $array[, string $message = ''])

当 $array 不包含 $key 时报告错误，错误讯息由 $message 指定。

assertArrayNotHasKey() 是与之相反的断言，接受相同的参数。

例 A.1: assertArrayHasKey() 的用法

<?php
class ArrayHasKeyTest extends PHPUnit_Framework_TestCase
{
    public function testFailure()
    {
        $this->assertArrayHasKey('foo', array('bar' => 'baz'));
    }
}
?>

phpunit ArrayHasKeyTest
PHPUnit 4.8.0 by Sebastian Bergmann and contributors.
 
F
 
Time: 0 seconds, Memory: 5.00Mb
 
There was 1 failure:
 
1) ArrayHasKeyTest::testFailure
Failed asserting that an array has the key 'foo'.
 
/home/sb/ArrayHasKeyTest.php:6
 
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.