--- a/src/share/classes/javax/swing/plaf/metal/MetalComboBoxUI.java	Fri Sep 17 23:00:34 2010 +0400
+++ b/src/share/classes/javax/swing/plaf/metal/MetalComboBoxUI.java	Fri Sep 17 23:09:29 2010 +0400
@@ -144,7 +144,7 @@
      */
     public int getBaseline(JComponent c, int width, int height) {
         int baseline;
-        if (MetalLookAndFeel.usingOcean()) {
+        if (MetalLookAndFeel.usingOcean() && height >= 4) {
             height -= 4;
             baseline = super.getBaseline(c, width, height);
             if (baseline >= 0) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/javax/swing/JComboBox/6632953/bug6632953.java	Fri Sep 17 23:09:29 2010 +0400
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 6632953
+ * @summary MetalComboBoxUI.getBaseline(JComponent, int, int) throws IAE for valid width/height
+ * @author Alexander Potochkin
+ */
+
+import javax.swing.JComboBox;
+import javax.swing.plaf.metal.MetalComboBoxUI;
+
+public class bug6632953 {
+
+    public static void main(String... args) throws Exception {
+        MetalComboBoxUI ui = new MetalComboBoxUI();
+        ui.installUI(new JComboBox());
+        ui.getBaseline(new JComboBox(), 0, 0);
+        ui.getBaseline(new JComboBox(), 1, 1);
+        ui.getBaseline(new JComboBox(), 2, 2);
+        ui.getBaseline(new JComboBox(), 3, 3);
+        ui.getBaseline(new JComboBox(), 4, 4);
+    }
+}