| /* |
| * Copyright (c) 2011, 2013, 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 |
| * @summary tests for class-specific values |
| * @compile ClassValueTest.java |
| * @run testng/othervm test.java.lang.invoke.ClassValueTest |
| */ |
| |
| package test.java.lang.invoke; |
| |
| import org.testng.*; |
| import static org.testng.AssertJUnit.*; |
| import org.testng.annotations.*; |
| |
| /** |
| * @author jrose |
| */ |
| public class ClassValueTest { |
| static String nameForCV1(Class<?> type) { |
| return "CV1:" + type.getName(); |
| } |
| int countForCV1; |
| final ClassValue<String> CV1 = new CV1(); |
| private class CV1 extends ClassValue<String> { |
| protected String computeValue(Class<?> type) { |
| countForCV1++; |
| return nameForCV1(type); |
| } |
| } |
| |
| static final Class<?>[] CLASSES = { |
| String.class, |
| Integer.class, |
| int.class, |
| boolean[].class, |
| char[][].class, |
| ClassValueTest.class |
| }; |
| |
| @Test |
| public void testGet() { |
| countForCV1 = 0; |
| for (Class<?> c : CLASSES) { |
| assertEquals(nameForCV1(c), CV1.get(c)); |
| } |
| assertEquals(CLASSES.length, countForCV1); |
| for (Class<?> c : CLASSES) { |
| assertEquals(nameForCV1(c), CV1.get(c)); |
| } |
| assertEquals(CLASSES.length, countForCV1); |
| } |
| |
| @Test |
| public void testRemove() { |
| for (Class<?> c : CLASSES) { |
| CV1.get(c); |
| } |
| countForCV1 = 0; |
| int REMCOUNT = 3; |
| for (int i = 0; i < REMCOUNT; i++) { |
| CV1.remove(CLASSES[i]); |
| } |
| assertEquals(0, countForCV1); // no change |
| for (Class<?> c : CLASSES) { |
| assertEquals(nameForCV1(c), CV1.get(c)); |
| } |
| assertEquals(REMCOUNT, countForCV1); |
| } |
| |
| static String nameForCVN(Class<?> type, int n) { |
| return "CV[" + n + "]" + type.getName(); |
| } |
| int countForCVN; |
| class CVN extends ClassValue<String> { |
| final int n; |
| CVN(int n) { this.n = n; } |
| protected String computeValue(Class<?> type) { |
| countForCVN++; |
| return nameForCVN(type, n); |
| } |
| }; |
| |
| @Test |
| public void testGetMany() { |
| int CVN_COUNT1 = 100, CVN_COUNT2 = 100; |
| CVN cvns[] = new CVN[CVN_COUNT1 * CVN_COUNT2]; |
| for (int n = 0; n < cvns.length; n++) { |
| cvns[n] = new CVN(n); |
| } |
| countForCVN = 0; |
| for (int pass = 0; pass <= 2; pass++) { |
| for (int i1 = 0; i1 < CVN_COUNT1; i1++) { |
| eachClass: |
| for (Class<?> c : CLASSES) { |
| for (int i2 = 0; i2 < CVN_COUNT2; i2++) { |
| int n = i1*CVN_COUNT2 + i2; |
| assertEquals(0, countForCVN); |
| assertEquals(nameForCVN(c, n), cvns[n].get(c)); |
| cvns[n].get(c); //get it again |
| //System.out.println("getting "+n+":"+cvns[n].get(c)); |
| boolean doremove = (((i1 + i2) & 3) == 0); |
| switch (pass) { |
| case 0: |
| assertEquals(1, countForCVN); |
| break; |
| case 1: |
| // remove on middle pass |
| assertEquals(0, countForCVN); |
| if (doremove) { |
| //System.out.println("removing "+n+":"+cvns[n].get(c)); |
| cvns[n].remove(c); |
| assertEquals(0, countForCVN); |
| } |
| break; |
| case 2: |
| assertEquals(doremove ? 1 : 0, countForCVN); |
| break; |
| } |
| countForCVN = 0; |
| if (i1 > i2 && i1 < i2+5) continue eachClass; // leave diagonal gap |
| } |
| } |
| } |
| } |
| assertEquals(countForCVN, 0); |
| System.out.println("[rechecking values]"); |
| for (int i = 0; i < cvns.length * 10; i++) { |
| int n = i % cvns.length; |
| for (Class<?> c : CLASSES) { |
| assertEquals(nameForCVN(c, n), cvns[n].get(c)); |
| } |
| } |
| } |
| } |