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/*
* Copyright (c) 2000, 2015, 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 4326648 4768329
* @summary Test to verify that table entries are generated for all final
* locals when a class is built for debug, even if they could be
* inlined otherwise.
* @author Tim Bell
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g FinalLocalsTest.java
* @run driver FinalLocalsTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class FinalLocalsTarg {
public void test1 (final int t, int k){
String s1 = "first";
final int z = 0;
if (true) {
final float r = 10.00f;
boolean b = true;
System.out.println(r);
}
}
public void hi(){
return;
}
public static void main(String[] args) {
System.out.print("in FinalLocalsTarg:");
new FinalLocalsTarg().hi();
return;
}
}
/********** test program **********/
public class FinalLocalsTest extends TestScaffold {
ReferenceType targetClass;
ThreadReference mainThread;
FinalLocalsTest (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new FinalLocalsTest(args).startTests();
}
/********** test core **********/
static final int VARIABLES = 1;
static final int BYNAME = 2;
static final int ARGUMENTS = 3;
/*
* Take a String containing comma separated values
* and return those values in a TreeSet.
*/
private TreeSet buildSet(String in) {
TreeSet result = new TreeSet();
StringTokenizer tt = new StringTokenizer(in, ",");
while (tt.hasMoreTokens()) {
String ss = tt.nextToken();
if (! result.add(ss)) {
failure ("Duplicate entry \"" + ss + "\" in string: " +
in + " is not allowed");
}
}
return result;
}
private void test(Method method, int which, String name, String expected) {
String got = testCase(method, which);
System.out.println(" test() comparing expected = " + expected +
" to got = " + got);
TreeSet expectedSet = buildSet(expected);
TreeSet gotSet = buildSet(got);
while (! expectedSet.isEmpty()) {
String ee = (String)expectedSet.first();
expectedSet.remove(ee);
if (gotSet.contains(ee)) {
gotSet.remove(ee);
} else {
failure (name + " Expected entry \"" + ee + "\" not found");
}
}
//assert expectedSet.isEmpty() : name + " expected set should have been emptied";
if (! gotSet.isEmpty()) {
StringBuffer sb = new StringBuffer();
Iterator it = gotSet.iterator();
while (it.hasNext()) {
sb.append(it.next());
if (it.hasNext()) {
sb.append(",");
}
}
failure (name + " Unexpected entries found: " + sb.toString());
}
}
String testCase(Method method, int which) {
try {
List vars;
switch (which) {
case VARIABLES:
vars = method.variables();
break;
case BYNAME:
vars = method.variablesByName("s1");
break;
case ARGUMENTS:
vars = method.arguments();
break;
default:
throw new InternalException("should not happen");
}
StringBuffer sb = new StringBuffer();
for (Iterator it = vars.iterator(); it.hasNext(); ) {
LocalVariable lv = (LocalVariable)it.next();
if (sb.length() > 0) {
sb.append(",");
}
sb.append(lv.name());
}
return sb.toString();
} catch (Exception exc) {
String st = exc.getClass().getName();
int inx = st.lastIndexOf('.');
return st.substring(inx+1);
}
}
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("FinalLocalsTarg");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
EventRequestManager erm = vm().eventRequestManager();
/*
* Get to a point where the classes are loaded.
*/
BreakpointEvent bp = resumeTo("FinalLocalsTarg", "hi", "()V");
ReferenceType rt = findReferenceType("FinalLocalsTarg");
if (rt == null) {
throw new Exception("FinalLocalsTarg: not loaded");
}
/*
* Inspect the LocalVariableTable attributes for method "test1"
* NOTE: .class files compiled with some versions of javac will
* give results listed in different order. That's OK.
*/
Method method = findMethod(rt, "test1", "(II)V");
if (method == null) {
throw new Exception("Method not found");
}
test(method, VARIABLES, "VARIABLES",
"t,k,s1,z,r,b");
test(method, BYNAME, "BYNAME",
"s1");
test(method, ARGUMENTS, "ARGUMENTS",
"t,k");
/*
* All Done. Resume the target listening for events
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("FinalLocalsTest: passed");
} else {
throw new Exception("FinalLocalsTest: failed");
}
}
}
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