1 files changed, 68 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/media/MediaHandlerTest.php b/www/wiki/tests/phpunit/includes/media/MediaHandlerTest.php
new file mode 100644
index 00000000..7a052f60
--- /dev/null
+++ b/www/wiki/tests/phpunit/includes/media/MediaHandlerTest.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * @group Media
+ */
+class MediaHandlerTest extends MediaWikiTestCase {
+
+	/**
+	 * @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;
+	}
+}