Index: trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 7132)
+++ trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 7132)
@@ -0,0 +1,31 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.tools;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import java.awt.Transparency;
+import java.io.File;
+import java.io.IOException;
+
+import org.junit.Test;
+import org.openstreetmap.josm.TestUtils;
+
+/**
+ * Unit tests of {@link ImageProvider} class.
+ */
+public class ImageProviderTest {
+
+    /**
+     * Non-regression test for ticket <a href="https://josm.openstreetmap.de/ticket/9984">#9984</a>
+     * @throws IOException if an error occurs during reading
+     */
+    @Test
+    public void testTicket9984() throws IOException {
+        File file = new File(TestUtils.getTestDataRoot()+"regress/9984/tile.png");
+        assertThat(ImageProvider.read(file, true, true).getTransparency(), is(Transparency.TRANSLUCENT));
+        assertThat(ImageProvider.read(file, false, true).getTransparency(), is(Transparency.TRANSLUCENT));
+        assertThat(ImageProvider.read(file, false, false).getTransparency(), is(Transparency.OPAQUE));
+        assertThat(ImageProvider.read(file, true, false).getTransparency(), is(Transparency.OPAQUE));
+    }
+}