Index: trunk/test/unit/org/openstreetmap/josm/gui/io/UploadDialogTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/gui/io/UploadDialogTest.java	(revision 10093)
+++ trunk/test/unit/org/openstreetmap/josm/gui/io/UploadDialogTest.java	(revision 10097)
@@ -1,4 +1,7 @@
 // License: GPL. For details, see LICENSE file.
 package org.openstreetmap.josm.gui.io;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Map;
@@ -90,3 +93,15 @@
         new UploadDialog.UploadAction(newUploadDialog("a comment long enough", "a source long enough")).actionPerformed(null);
     }
+
+    /**
+     * Test of {@link UploadDialog.UploadAction#isUploadCommentTooShort} method.
+     */
+    @Test
+    public void testIsUploadCommentTooShort() {
+        assertTrue(UploadDialog.UploadAction.isUploadCommentTooShort(""));
+        assertTrue(UploadDialog.UploadAction.isUploadCommentTooShort("test"));
+        assertTrue(UploadDialog.UploadAction.isUploadCommentTooShort("测试"));
+        assertFalse(UploadDialog.UploadAction.isUploadCommentTooShort("geometric corrections"));
+        assertFalse(UploadDialog.UploadAction.isUploadCommentTooShort("几何校正"));
+    }
 }