SomeTest.php
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SomeTest.php
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	<?php

	namespace Keruald\OmniTools\Tests\DataTypes\Option;

	use InvalidArgumentException;

	use Keruald\OmniTools\DataTypes\Option\Some;
	use Keruald\OmniTools\DataTypes\Option\Option;

	use PHPUnit\Framework\TestCase;

	class SomeTest extends TestCase {
	private Option $v;

	public function setUp () : void {
	$this->v = new Some;
	$this->v->setValue(42);
	}

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

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

	public function testGetValue () : void {
	$this->assertEquals(42, $this->v->getValue());
	}

	public function testSetValue () : void {
	$this->v->setValue(666);
	$this->assertEquals(666, $this->v->getValue());
	}

	public function testSetValueWhenTypeIsMutated () : void {
	$this->expectException(InvalidArgumentException::class);
	$this->v->setValue("Another type");
	}

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

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

	$this->assertEquals(84, $mapped_v->getValue());
	}

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

	$this->assertEquals(42, $value);
	}
	}