1 files changed, 19 insertions, 0 deletions
diff --git a/library/src/test/java/com/bumptech/glide/load/resource/gif/GifFrameManagerTest.java b/library/src/test/java/com/bumptech/glide/load/resource/gif/GifFrameManagerTest.java
new file mode 100644
index 00000000..fecf2160
--- /dev/null
+++ b/library/src/test/java/com/bumptech/glide/load/resource/gif/GifFrameManagerTest.java
@@ -0,0 +1,19 @@
+package com.bumptech.glide.load.resource.gif;
+
+import com.bumptech.glide.gifdecoder.GifDecoder;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+
+import static org.mockito.Mockito.mock;
+
+@RunWith(RobolectricTestRunner.class)
+public class GifFrameManagerTest {
+
+    @Test(expected = NullPointerException.class)
+    public void testThrowsIfTransformationIsNull() {
+        new GifFrameManager(Robolectric.application, mock(GifDecoder.class), null, 100, 100);
+    }
+}
+\ No newline at end of file