PHPUnit9.0 斷言-assertStringStartsWith()

assertStringStartsWith(string $prefix, string $string[, string $message = ''])

PHPUnit9.0 斷言集合

當 ?$string? 不以 ?$prefix? 開頭時報告錯誤，錯誤訊息由 ?$message? 指定。
?assertStringStartsNotWith()? 是與之相反的斷言，并接受相同的參數(shù)。
示例 1.60 assertStringStartsWith() 的用法

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

final class StringStartsWithTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertStringStartsWith('prefix', 'foo');
    }
}

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

F

Time: 0 seconds, Memory: 5.00Mb

There was 1 failure:

1) StringStartsWithTest::testFailure
Failed asserting that 'foo' starts with "prefix".

/home/sb/StringStartsWithTest.php:6

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