ilCtrlStructureCidGeneratorTest.php

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<?php
 
declare(strict_types=1);
 
use PHPUnit\Framework\TestCase;
 
class ilCtrlStructureCidGeneratorTest extends TestCase
{
    public function testCidGeneratorIncrements(): void
    {
        $generator = new ilCtrlStructureCidGenerator();
        $first_cid = $generator->getCid();
        $next_cid = $generator->getCid();
 
        $this->assertEquals('0', $first_cid);
        $this->assertNotEquals('0', $next_cid);
        $this->assertEquals('1', $next_cid);
    }
 
    public function testCidGeneratorPositiveContinuousIncrements(): void
    {
        $generator = new ilCtrlStructureCidGenerator(100);
        $first_cid = $generator->getCid();
        $next_cid = $generator->getCid();
 
        $this->assertEquals('2s', $first_cid);
        $this->assertNotEquals('2s', $next_cid);
        $this->assertEquals('2t', $next_cid);
    }
 
    public function testCidGeneratorNegativeContinuousIncrements(): void
    {
        $generator = new ilCtrlStructureCidGenerator(-100);
        $first_cid = $generator->getCid();
        $next_cid = $generator->getCid();
 
        $this->assertEquals('-2s', $first_cid);
        $this->assertNotEquals('-2s', $next_cid);
        $this->assertEquals('-2r', $next_cid);
    }
 
    public function testCidGeneratorContinuousIncrementsFromMaxIntegerValue(): void
    {
        $generator = new ilCtrlStructureCidGenerator(9223372036854775807);
 
        $this->expectException(TypeError::class);
        $this->expectExceptionMessage('Cannot increment property ilCtrlStructureCidGenerator::$index of type int past its maximal value');
        $cid = $generator->getCid();
    }
 
    public function testCidGeneratorIndexByCidValue(): void
    {
        $generator = new ilCtrlStructureCidGenerator();
 
        $this->assertEquals(99999, $generator->getIndexByCid('255r'));
        $this->assertEquals(-99999, $generator->getIndexByCid('-255r'));
        $this->assertEquals(0, $generator->getIndexByCid('0'));
        $this->assertEquals(0, $generator->getIndexByCid('-0'));
        $this->assertEquals(1, $generator->getIndexByCid('1'));
        $this->assertEquals(-1, $generator->getIndexByCid('-1'));
    }
 
    public function testCidGeneratorCidByIndexValue(): void
    {
        $generator = new ilCtrlStructureCidGenerator();
 
        $this->assertEquals('255r', $generator->getCidByIndex(99999));
        $this->assertEquals('-255r', $generator->getCidByIndex(-99999));
        $this->assertEquals('0', $generator->getCidByIndex(0));
        $this->assertEquals('0', $generator->getCidByIndex(-0));
        $this->assertEquals('1', $generator->getCidByIndex(1));
        $this->assertEquals('-1', $generator->getCidByIndex(-1));
    }
}