[android] - style image accessor

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/style/ImageTest.java

@@ -0,0 +1,54 @@
+package com.mapbox.mapboxsdk.testapp.style;
+
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.support.test.espresso.UiController;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.mapboxsdk.testapp.action.MapboxMapAction;
+import com.mapbox.mapboxsdk.testapp.activity.BaseActivityTest;
+import com.mapbox.mapboxsdk.testapp.activity.style.RuntimeStyleTestActivity;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * CRUD tests around Image
+ */
+@RunWith(AndroidJUnit4.class)
+public class ImageTest extends BaseActivityTest {
+
+  private static final String IMAGE_ID = "test.image";
+
+  @Override
+  protected Class getActivityClass() {
+    return RuntimeStyleTestActivity.class;
+  }
+
+  @Test
+  public void testAddGetImage() {
+    validateTestSetup();
+    MapboxMapAction.invoke(mapboxMap, new MapboxMapAction.OnInvokeActionListener() {
+      @Override
+      public void onInvokeAction(UiController uiController, MapboxMap mapboxMap) {
+        Drawable drawable = rule.getActivity().getResources().getDrawable(R.drawable.ic_launcher_round);
+        assertTrue(drawable instanceof BitmapDrawable);
+
+        Bitmap bitmapSet = ((BitmapDrawable) drawable).getBitmap();
+        mapboxMap.addImage(IMAGE_ID, bitmapSet);
+
+        Bitmap bitmapGet = mapboxMap.getImage(IMAGE_ID);
+        assertTrue(bitmapGet.sameAs(bitmapSet));
+
+        mapboxMap.removeImage(IMAGE_ID);
+        assertNull(mapboxMap.getImage(IMAGE_ID));
+      }
+    });
+  }
+}