1 files changed, 56 insertions, 0 deletions
diff --git a/t/inc/ImageFunctions.t b/t/inc/ImageFunctions.t
new file mode 100644
index 00000000..3a69bf77
--- /dev/null
+++ b/t/inc/ImageFunctions.t
@@ -0,0 +1,56 @@
+#!/usr/bin/env php
+<?php
+
+define( 'MEDIAWIKI', true );
+require 't/Test.php';
+
+require 'includes/Defines.php';
+
+$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 ) )
+);
+
+plan( 3 + 3 * count( $vals ) );
+
+require_ok( 'includes/ProfilerStub.php' );
+require_ok( 'includes/GlobalFunctions.php' );
+require_ok( 'includes/ImageFunctions.php' );
+
+foreach( $vals as $row ) {
+	extract( $row );
+	foreach( $tests as $max => $expected ) {
+		$y = round( $expected * $height / $width );
+		$result = wfFitBoxWidth( $width, $height, $max );
+		$y2 = round( $result * $height / $width );
+		is( $result, $expected,
+			"($width, $height, $max) wanted: {$expected}x{$y}, got: {$result}x{$y2}" );
+	}
+}
+