<?php namespace Faker\Test\Provider\zh_TW; use Faker\Generator; use Faker\Provider\zh_TW\Company; use PHPUnit\Framework\TestCase; class CompanyTest extends TestCase { /** * @var Generator */ private $faker; public function setUp() { $faker = new Generator(); $faker->addProvider(new Company($faker)); $this->faker = $faker; } public function testVAT() { $this->assertEquals(8, floor(log10($this->faker->VAT) + 1)); } }