PHPUnit9.0 断言-assertLessThan()

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

PHPUnit9.0 断言集合

当 ​$actual​ 的值不小于 ​$expected​ 的值时报告错误，错误讯息由 ​$message​ 指定。
示例 1.48 assertLessThan() 的用法

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

final class LessThanTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertLessThan(1, 2);
    }
}

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

F

Time: 0 seconds, Memory: 5.00Mb

There was 1 failure:

1) LessThanTest::testFailure
Failed asserting that 2 is less than 1.

/home/sb/LessThanTest.php:6

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