<?php

namespace Tests\Unit\Models;

use App\Models\ChatLib;
use PHPUnit\Framework\TestCase;

class ChatLibTest extends TestCase {

	public function test_binary_search() {
		$options = [
			['a', 0, 2],
			['b', 2, 3],
			['c', 3, 6],
		];

		$this->assertEquals('a', ChatLib::search($options, 0)[0]);
		$this->assertEquals('a', ChatLib::search($options, 1)[0]);
		$this->assertEquals('b', ChatLib::search($options, 2)[0]);
		$this->assertEquals('c', ChatLib::search($options, 3)[0]);
		$this->assertEquals('c', ChatLib::search($options, 4)[0]);
		$this->assertEquals('c', ChatLib::search($options, 5)[0]);

		$this->assertEquals('a', ChatLib::search($options, -1)[0]);
		$this->assertEquals('c', ChatLib::search($options, 6)[0]);
	}

}