<?php

class MediaHandlerTest extends MediaWikiTestCase {

	/**
	 * @covers MediaHandler::fitBoxWidth
	 * @todo split into a dataprovider and test method
	 */
	public function testFitBoxWidth() {
		$vals = array(
			array(
				'width' => 50,
				'height' => 50,
				'tests' => array(
					50 => 50,
					17 => 17,
					18 => 18 ) ),
			array(
				'width' => 366,
				'height' => 300,
				'tests' => array(
					50 => 61,
					17 => 21,
					18 => 22 ) ),
			array(
				'width' => 300,
				'height' => 366,
				'tests' => array(
					50 => 41,
					17 => 14,
					18 => 15 ) ),
			array(
				'width' => 100,
				'height' => 400,
				'tests' => array(
					50 => 12,
					17 => 4,
					18 => 4 ) ) );
		foreach ( $vals as $row ) {
			$tests = $row['tests'];
			$height = $row['height'];
			$width = $row['width'];
			foreach ( $tests as $max => $expected ) {
				$y = round( $expected * $height / $width );
				$result = MediaHandler::fitBoxWidth( $width, $height, $max );
				$y2 = round( $result * $height / $width );
				$this->assertEquals( $expected,
					$result,
					"($width, $height, $max) wanted: {$expected}x$y, got: {$result}x$y2" );
			}
		}
	}
}
