6211242: AreaAveragingScaleFilter(int, int): IAE is not specified

Reviewed-by: azvegint, trebari, serb

src/java.desktop/share/classes/java/awt/image/AreaAveragingScaleFilter.java

@@ -72,6 +72,8 @@ public class AreaAveragingScaleFilter extends ReplicateScaleFilter {
      * its source Image as specified by the width and height parameters.
      * @param width the target width to scale the image
      * @param height the target height to scale the image
+     * @throws IllegalArgumentException if {@code width} equals
+     *         zero or {@code height} equals zero
      */
     public AreaAveragingScaleFilter(int width, int height) {
         super(width, height);

test/jdk/java/awt/image/TestNullAASF.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2021, 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 6211242
+ * @summary Verifies IAE is thrown if 0 is passed to
+ *          AreaAveragingScaleFilter(width,height) constructor.
+ */
+import java.awt.image.AreaAveragingScaleFilter;
+
+public class TestNullAASF {
+    public static void main(String[] args) {
+        AreaAveragingScaleFilter filter = null;
+        try {
+            filter = new AreaAveragingScaleFilter(0, Integer.MAX_VALUE);
+            System.out.println("result: false");
+            throw new RuntimeException("IAE expected for width=0");
+        } catch (IllegalArgumentException e) {
+            System.out.println("result (iae): true");
+        }
+        try {
+            filter = new AreaAveragingScaleFilter(Integer.MAX_VALUE, 0);
+            System.out.println("result: false");
+            throw new RuntimeException("IAE expected for height=0");
+        } catch (IllegalArgumentException e) {
+            System.out.println("result (iae): true");
+        }
+    }
+}