Add failing test case.

.travis.yml

@@ -6,6 +6,7 @@ php:
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
   - hhvm
 
 sudo: false

Tests/AbstractTest.php

@@ -54,51 +54,51 @@ protected function createFilterConfiguration()
 
     protected function getMockCacheManager()
     {
-        return $this->getMock('Liip\ImagineBundle\Imagine\Cache\CacheManager', array(), array(), '', false);
+        return $this->getMockBuilder('Liip\ImagineBundle\Imagine\Cache\CacheManager')->getMock();
     }
 
     /**
      * @return \PHPUnit_Framework_MockObject_MockObject|FilterConfiguration
      */
     protected function createFilterConfigurationMock()
     {
-        return $this->getMock('Liip\ImagineBundle\Imagine\Filter\FilterConfiguration');
+        return $this->getMockBuilder('Liip\ImagineBundle\Imagine\Filter\FilterConfiguration')->getMock();
     }
 
     /**
      * @return \PHPUnit_Framework_MockObject_MockObject|RouterInterface
      */
     protected function createRouterMock()
     {
-        return $this->getMock('Symfony\Component\Routing\RouterInterface');
+        return $this->getMockBuilder('Symfony\Component\Routing\RouterInterface')->getMock();
     }
 
     /**
      * @return \PHPUnit_Framework_MockObject_MockObject|ResolverInterface
      */
     protected function createResolverMock()
     {
-        return $this->getMock('Liip\ImagineBundle\Imagine\Cache\Resolver\ResolverInterface');
+        return $this->getMockBuilder('Liip\ImagineBundle\Imagine\Cache\Resolver\ResolverInterface')->getMock();
     }
 
     protected function createEventDispatcherMock()
     {
-        return $this->getMock('Symfony\Component\EventDispatcher\EventDispatcherInterface');
+        return $this->getMockBuilder('Symfony\Component\EventDispatcher\EventDispatcherInterface')->getMock();
     }
 
     protected function getMockImage()
     {
-        return $this->getMock('Imagine\Image\ImageInterface');
+        return $this->getMockBuilder('Imagine\Image\ImageInterface')->getMock();
     }
 
     protected function getMockMetaData()
     {
-        return $this->getMock('Imagine\Image\Metadata\MetadataBag');
+        return $this->getMockBuilder('Imagine\Image\Metadata\MetadataBag')->getMock();
     }
 
     protected function createImagineMock()
     {
-        return $this->getMock('Imagine\Image\ImagineInterface');
+        return $this->getMockBuilder('Imagine\Image\ImagineInterface')->getMock();
     }
 
     protected function tearDown()

Tests/Imagine/Filter/Loader/ThumbnailFilterLoaderTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Liip\ImagineBundle\Tests\Filter;
+
+use Liip\ImagineBundle\Imagine\Filter\Loader\ThumbnailFilterLoader;
+use Liip\ImagineBundle\Tests\AbstractTest;
+use Imagine\Image\Box;
+
+/**
+ * Test cases for ThumbnailFilterLoader class.
+ *
+ * @covers Liip\ImagineBundle\Imagine\Filter\Loader\ThumbnailFilterLoader
+ */
+class ThumbnailFilterLoaderTest extends AbstractTest
+{
+    /**
+     * @dataProvider heightWidthProvider
+     */
+    public function testLoad($height, $width)
+    {
+        $loader = new ThumbnailFilterLoader();
+        $image = $this->getMockImage();
+        $image->method('getSize')->willReturn(new Box(20, 50));
+
+        $options = ['size' => [$height, $width]];
+
+        $result = $loader->load($image, $options);
+    }
+
+    /**
+     * @returns int[]
+     */
+    public function heightWidthProvider()
+    {
+      return [
+        [100, 100],
+        [50, 50],
+        [1, 30],
+        [0, 30],
+        [30, 0],
+        [null, 16],
+        [37, null],
+        [null, null]
+      ];
+    }
+}