8370467: BorderFactory.createBevelBorder and createSoftBevelBorder throws NPE for null highlight and shadow

Reviewed-by: aivanov, tr, honkar

Author: prsadhuk

src/java.desktop/share/classes/javax/swing/border/BevelBorder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2025, 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
@@ -95,7 +95,9 @@ public BevelBorder(int bevelType) {
      * @param shadow the color to use for the bevel shadow
      */
     public BevelBorder(int bevelType, Color highlight, Color shadow) {
-        this(bevelType, highlight.brighter(), highlight, shadow, shadow.brighter());
+        this(bevelType,
+             (highlight != null) ? highlight.brighter() : null, highlight,
+             shadow, (shadow != null) ? shadow.brighter() : null);
     }
 
     /**

test/jdk/javax/swing/border/TestBevelBorderParam.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2025, 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 8370467
+ * @summary Verifies createBevelBorder and createSoftBevelBorder does not throw NPE
+ * @run main TestBevelBorderParam
+ */
+
+import javax.swing.BorderFactory;
+import javax.swing.border.BevelBorder;
+
+public class TestBevelBorderParam {
+
+    public static void main(String[] args) throws Exception {
+        StringBuilder str = new StringBuilder();
+
+        try {
+            BorderFactory.createBevelBorder(BevelBorder.RAISED, null, null);
+        } catch (NullPointerException ex) {
+            str.append("\n");
+            str.append("BorderFactory.createBevelBorder throws NPE for null highlight and shadow");
+        }
+
+        try {
+            BorderFactory.createSoftBevelBorder(BevelBorder.RAISED, null, null);
+        } catch (NullPointerException e) {
+            str.append("\n");
+            str.append("BorderFactory.createSoftBevelBorder throws NPE for null highlight and shadow");
+        }
+
+        try {
+            new BevelBorder(BevelBorder.RAISED, null, null);
+        } catch (NullPointerException ex) {
+            str.append("\n");
+            str.append("BevelBorder constructor throws NPE for null highlight and shadow");
+        }
+
+        if (str.length() != 0) {
+            throw new RuntimeException(str.toString());
+        }
+    }
+}