NoneTest.php
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NoneTest.php
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	<?php

	namespace Keruald\OmniTools\Tests\DataTypes\Option;

	use InvalidArgumentException;

	use Keruald\OmniTools\DataTypes\Option\None;
	use Keruald\OmniTools\DataTypes\Option\Option;
	use Keruald\OmniTools\DataTypes\Option\Some;

	use PHPUnit\Framework\TestCase;

	class NoneTest extends TestCase {
	private Option $v;

	public function setUp () : void {
	$this->v = new None;
	}

	public function testIsSome () : void {
	$this->assertFalse($this->v->isSome());
	}

	public function testIsNone () : void {
	$this->assertTrue($this->v->isNone());
	}

	public function testGetValue () : void {
	$this->expectException(InvalidArgumentException::class);
	$this->v->getValue();
	}

	public function testMap () : void {
	$callback = function ($n) {
	return $n * 2;
	};

	$mapped_v = $this->v->map($callback);

	$this->assertEquals($mapped_v, $this->v);
	}

	public function testOr () : void {
	$actual = $this->v->or(new Some(666));

	$this->assertTrue($actual->isSome());
	$this->assertEquals(666, $actual->getValue());
	}

	public function testOrElse () : void {
	$actual = $this->v->orElse(fn () => new Some(666));

	$this->assertTrue($actual->isSome());
	$this->assertEquals(666, $actual->getValue());
	}

	public function testGetValueOr () : void {
	$value = $this->v->getValueOr(666);

	$this->assertEquals(666, $value);
	}

	public function testGetValueOrElse () : void {
	$value = $this->v->getValueOrElse(fn () => 666);

	$this->assertEquals(666, $value);
	}
	}