/*
* Copyright ( c ) 2001 , 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 4434232
* @ summary Test ThreadReference . frames ( int , int )
* @ author Robert Field
*
* @ run build TestScaffold VMConnection TargetListener TargetAdapter
* @ run compile - g FramesTest . java
* @ run driver FramesTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class FramesTarg {
static void foo3() {
System.out.println("executing foo3" );
}
static void foo2() {
foo3();
}
static void foo1() {
foo2();
}
public static void main(String[] args){
System.out.println("Howdy!" );
foo1();
}
}
/********** test program **********/
public class FramesTest extends TestScaffold {
ReferenceType targetClass;
ThreadReference mainThread;
static String[] expectedNames = {"foo3" , "foo2" , "foo1" , "main" };
FramesTest (String args[]) {
super (args);
}
public static void main(String[] args) throws Exception {
new FramesTest(args).startTests();
}
/********** test assist **********/
void exceptionTest(int start, int length) {
boolean gotException = false ;
try {
mainThread.frames(start, length);
} catch (IndexOutOfBoundsException exc) {
gotException = true ;
} catch (Exception exc) {
failure("unexpected exception thrown for: " +
"start = " + start + ", length = " + length +
" - " + exc);
gotException = true ;
}
if (!gotException) {
failure("expected IndexOutOfBoundsException " +
"not thrown for: " +
"start = " + start + ", length = " + length);
}
}
void nameTest(int start, int length) {
try {
List fs = mainThread.frames(start, length);
if (fs.size() != length) {
failure("wrong length for: " +
"start = " + start + ", length = " + length);
}
for (int i = 0 ; i < length; ++i) {
StackFrame sf = (StackFrame)(fs.get(i));
String name = sf.location().method().name();
String expected = expectedNames[start+i];
if (!name.equals(expected)) {
failure("bad frame entry (" + start + "," + length +
") - expected " + expected +
", got " + name);
}
}
} catch (Exception exc) {
failure("unexpected exception thrown for: " +
"start = " + start + ", length = " + length +
" - " + exc);
}
}
/********** test core **********/
protected void runTests() throws Exception {
/*
* Get to the top of main ( )
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("FramesTarg" );
targetClass = bpe.location().declaringType();
mainThread = bpe.thread ();
int initialSize = mainThread.frames().size();
resumeTo("FramesTarg" , "foo3" , "()V" );
if (!mainThread.frame(0 ).location().method().name()
.equals("foo3" )) {
failure("frame failed" );
}
if (mainThread.frames().size() != (initialSize + 3 )) {
failure("frames size failed" );
}
if (mainThread.frames().size() != mainThread.frameCount()) {
failure("frames size not equal to frameCount" );
}
exceptionTest(-1 , 1 );
exceptionTest(mainThread.frameCount(), 1 );
exceptionTest(0 , -1 );
exceptionTest(0 , -2 );
exceptionTest(0 , mainThread.frameCount()+1 );
nameTest(0 , 0 );
nameTest(0 , 1 );
nameTest(0 , 4 );
nameTest(2 , 2 );
nameTest(1 , 1 );
/*
* resume until end
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure ( " foo " ) testFailed will be true
*/
if (!testFailed) {
println("FramesTest: passed" );
} else {
throw new Exception("FramesTest: failed" );
}
}
}
Messung V0.5 in Prozent C=90 H=94 G=91
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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