russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8368729
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* @summary Tests that passing invalid values to Kernel constructor
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* throws only IllegalArgumentException or NullPointerException
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*/
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import java.awt.image.Kernel;
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public class KernelInitialisationTest {
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private static void test(int width, int height, float[] data,
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Class<?> expected)
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{
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System.out.printf("Testing for width: %d, height: %d, data: %s%n",
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width, height, data == null ? "null" : "not null");
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Class<?> actual = null;
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try {
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new Kernel(width, height, data);
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} catch (Exception e) {
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actual = e.getClass();
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}
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if (actual != expected) {
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System.err.println("Expected: " + expected);
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System.err.println("Actual: " + actual);
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throw new RuntimeException("Test failed");
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}
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}
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private static void testIAE(int width, int height, int len) {
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test(width, height, new float[len], IllegalArgumentException.class);
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}
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private static void testNPE(int width, int height) {
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test(width, height, null, NullPointerException.class);
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}
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public static void main(String[] args) {
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int[][] sizes = {{-1, 1}, {1, -1}, {-1, -1}, {50, Integer.MAX_VALUE}};
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int[] lens = {1, 100};
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for (int[] kernelSize : sizes) {
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for (int len : lens) {
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testIAE(kernelSize[0], kernelSize[1], len);
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}
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testNPE(kernelSize[0], kernelSize[1]);
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}
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testNPE(10, 10); // NPE on valid width and height
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testIAE(10, 10, 10); // IAE on valid width and height but small data
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}
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}
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