jiuhaoshenghuo/vendor/stechstudio/backoff/tests/Strategies/ExponentialStrategyTest.php

<?php
namespace STS\Backoff\Strategies;

use PHPUnit\Framework\TestCase;

class ExponentialStrategyTest extends TestCase
{
    public function testDefaults()
    {
        $s = new ExponentialStrategy();

        $this->assertEquals(100, $s->getBase());
    }

    public function testWaitTimes()
    {
        $s = new ExponentialStrategy(200);

        $this->assertEquals(200, $s->getWaitTime(1));
        $this->assertEquals(800, $s->getWaitTime(2));
        $this->assertEquals(1600, $s->getWaitTime(3));
        $this->assertEquals(3200, $s->getWaitTime(4));
        $this->assertEquals(6400, $s->getWaitTime(5));
        $this->assertEquals(12800, $s->getWaitTime(6));
        $this->assertEquals(25600, $s->getWaitTime(7));
        $this->assertEquals(51200, $s->getWaitTime(8));
    }
}