PHPUnit9.0 断言-assertContains()

assertContains(mixed $needle, iterable $haystack[, string$message =''])

PHPUnit9.0 断言集合

当 ​$needle​ 不是 ​$haystack​ 的元素时报告错误，错误讯息由 ​$message​ 指定。
​assertNotContains()​ 是与之相反的断言，接受相同的参数。
示例 1.4 assertContains() 的用法

<?php declare(strict_types=1);
use PHPUnit\Framework\TestCase;

final class ContainsTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertContains(4, [1, 2, 3]);
    }
}

$ phpunit ContainsTest
PHPUnit latest.0 by Sebastian Bergmann and contributors.

F

Time: 0 seconds, Memory: 5.00Mb

There was 1 failure:

1) ContainsTest::testFailure
Failed asserting that an array contains 4.

/home/sb/ContainsTest.php:6

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.