1 files changed, 48 insertions, 0 deletions
diff --git a/tests/phpunit/includes/media/MediaHandlerTest.php b/tests/phpunit/includes/media/MediaHandlerTest.php
new file mode 100644
index 00000000..4e4c649f
--- /dev/null
+++ b/tests/phpunit/includes/media/MediaHandlerTest.php
@@ -0,0 +1,48 @@
+<?php
+
+class MediaHandlerTest extends MediaWikiTestCase {
+	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" );
+			}
+		}
+	}
+}