PHPUnit9.0 断言-assertSame()

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

PHPUnit9.0 断言集合

当两个变量 ​$expected​ 和 ​$actual​ 的值与类型不完全相同时报告错误，错误讯息由 ​$message​ 指定。
​assertNotSame()​ 是与之相反的断言，接受相同的参数。
示例 1.56 assertSame() 的用法

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

final class SameTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertSame('2204', 2204);
    }
}

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

F

Time: 0 seconds, Memory: 5.00Mb

There was 1 failure:

1) SameTest::testFailure
Failed asserting that 2204 is identical to '2204'.

/home/sb/SameTest.php:6

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

assertSame(object $expected, object $actual[, string $message = ''])

当两个变量 ​$expected​ 和 ​$actual​ 不是指向同一个对象的引用时报告错误，错误讯息由 ​$message​ 指定。
示例 1.57 对对象使用 assertSame() 时的用法

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

final class SameTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertSame(new stdClass, new stdClass);
    }
}

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

F

Time: 0 seconds, Memory: 4.75Mb

There was 1 failure:

1) SameTest::testFailure
Failed asserting that two variables reference the same object.

/home/sb/SameTest.php:6

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