## 1 Set up

```php
<?php // tests/HamcrestTestCase.php

namespace Tests;

use Hamcrest\MatcherAssert;
use Hamcrest\Util;

class HamcrestTestCase extends \PHPUnit\Framework\TestCase
{
    public function runBare(): void
    {
        Util::registerGlobalFunctions();
        MatcherAssert::resetCount();

        try {
            parent::runBare();
        } finally {
            $this->addToAssertionCount(MatcherAssert::getCount());
        }
    }
}
```

## 2 Use

```php
<?php // TrueTest.php
  
class TrueTest extends Tests\HamcrestTestCase
{
    public function testTrueIsTrue()
    {
        assertThat(true, is(true));
    }
}
```

## 3 Ref
- https://github.com/hamcrest/hamcrest-php
- https://code.tutsplus.com/tutorials/expressive-tests-with-hamcrest--net-28308