CodeFunctionTest.php
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CodeFunctionTest.php
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	<?php

	namespace Keruald\OmniTools\Tests\Reflection;

	use Keruald\OmniTools\Reflection\CodeFunction;
	use PHPUnit\Framework\Attributes\DataProvider;
	use PHPUnit\Framework\TestCase;

	use InvalidArgumentException;
	use ReflectionFunction;
	use ReflectionParameter;

	class CodeFunctionTest extends TestCase {

	#[DataProvider('provideFunctionParameters')]
	public function testGetParameterType (ReflectionParameter $parameter, string $type) {
	$this->assertEquals($type, CodeFunction::getParameterType($parameter));
	}

	public function testGetParameterTypeWhenNoTypeIsDefined () {
	$this->expectException(InvalidArgumentException::class);

	$function = new ReflectionFunction("Keruald\OmniTools\Tests\Reflection\doSomething");
	$parameters = $function->getParameters();

	CodeFunction::getParameterType($parameters[0]);
	}

	///
	/// Data provider
	///

	public static function provideFunctionParameters () : iterable {
	// array_change_key_case(array $array, int $case = CASE_LOWER): array
	$function = new ReflectionFunction("array_change_key_case");
	$parameters = $function->getParameters();

	yield [$parameters[0], "array"];
	yield [$parameters[1], "int"];
	}
	}

	function doSomething ($mixed) : void {

	}