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/*
* Copyright (c) 2011, 2012, 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));
}
}
}
}
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