/*
* 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 .00 f;
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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