Decode GIFs with more codes than can fit in table.

Fixes #203

1 files changed, 51 insertions, 0 deletions

diff --git a/third_party/gif_decoder/src/androidTest/java/com/bumptech/glide/gifdecoder/GifDecoderTest.java b/third_party/gif_decoder/src/androidTest/java/com/bumptech/glide/gifdecoder/GifDecoderTest.java
new file mode 100644
index 00000000..aaf65558
--- /dev/null
+++ b/third_party/gif_decoder/src/androidTest/java/com/bumptech/glide/gifdecoder/GifDecoderTest.java
@@ -0,0 +1,51 @@
+package com.bumptech.glide.gifdecoder;
+
+import android.graphics.Bitmap;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Tests for {@link com.bumptech.glide.gifdecoder.GifDecoder}.
+ */
+@RunWith(RobolectricTestRunner.class)
+@Config(emulateSdk = 18)
+public class GifDecoderTest {
+
+    private MockProvider provider;
+
+    @Before
+    public void setUp() {
+        provider = new MockProvider();
+    }
+
+    @Test
+    public void testCanDecodeFramesFromTestGif() {
+        byte[] data = TestUtil.readResourceData("partial_gif_decode.gif");
+        GifHeaderParser headerParser = new GifHeaderParser();
+        headerParser.setData(data);
+        GifHeader header = headerParser.parseHeader();
+        GifDecoder decoder = new GifDecoder(provider);
+        decoder.setData(header, data);
+        decoder.advance();
+        Bitmap bitmap = decoder.getNextFrame();
+        assertNotNull(bitmap);
+        assertEquals(GifDecoder.STATUS_OK, decoder.getStatus());
+    }
+
+    private static class MockProvider implements GifDecoder.BitmapProvider {
+
+        @Override
+        public Bitmap obtain(int width, int height, Bitmap.Config config) {
+            Bitmap result = Bitmap.createBitmap(width, height, config);
+            Robolectric.shadowOf(result).setMutable(true);
+            return result;
+        }
+    }
+}