MediaHandlerTest.php
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MediaHandlerTest.php
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	<?php

	/**
	* @group Media
	*/
	class MediaHandlerTest extends \MediaWikiUnitTestCase {

	/**
	* @covers \MediaHandler::fitBoxWidth
	*
	* @dataProvider provideTestFitBoxWidth
	*/
	public function testFitBoxWidth( $width, $height, $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$y, got: {z$result}x$y2" );
	}

	public static function provideTestFitBoxWidth() {
	return array_merge(
	static::generateTestFitBoxWidthData( 50, 50, [
	50 => 50,
	17 => 17,
	18 => 18 ]
	),
	static::generateTestFitBoxWidthData( 366, 300, [
	50 => 61,
	17 => 21,
	18 => 22 ]
	),
	static::generateTestFitBoxWidthData( 300, 366, [
	50 => 41,
	17 => 14,
	18 => 15 ]
	),
	static::generateTestFitBoxWidthData( 100, 400, [
	50 => 12,
	17 => 4,
	18 => 4 ]
	)
	);
	}

	/**
	* Generate single test cases by combining the dimensions and tests contents
	*
	* It creates:
	* [$width, $height, $max, $expected],
	* [$width, $height, $max2, $expected2], ...
	* out of parameters:
	* $width, $height, { $max => $expected, $max2 => $expected2, ... }
	*
	* @param int $width
	* @param int $height
	* @param array $tests associative array of $max => $expected values
	* @return array
	*/
	private static function generateTestFitBoxWidthData( $width, $height, $tests ) {
	$result = [];
	foreach ( $tests as $max => $expected ) {
	$result[] = [ $width, $height, $max, $expected ];
	}
	return $result;
	}
	}