/* * Copyright (c) 2002, 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 4349534 4690242 4695338 * @summary regression - bad LocalVariableTable attribute when no initialization needed * @author Tim Bell * * @run build TestScaffold VMConnection TargetListener TargetAdapter * @run compile -g GetLocalVariables2Test.java * @run driver GetLocalVariables2Test
*/ import com.sun.jdi.*; import com.sun.jdi.event.*; import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class GetLocalVariables2Targ { staticboolean bar(int i) { if (i < 2) { returntrue;
} else { returnfalse;
}
}
publicstaticvoid main(String[] args) { int i = 1;
String command; if (i == 0) {
command = "0";
} elseif (bar(i)) {
command = "1";
} else {
command = "2";
}
}
}
publicstaticvoid main(String[] args) throws Exception { new GetLocalVariables2Test(args).startTests();
}
protectedvoid runTests() throws Exception { /* * Get to the top of main() * to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("GetLocalVariables2Targ");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
EventRequestManager erm = vm().eventRequestManager();
/* * Inspect the stack frame for main(), not bar()...
*/
StackFrame frame = bpe.thread().frame(1);
List localVars = frame.visibleVariables();
System.out.println(" Visible variables at this point are: "); for (Iterator it = localVars.iterator(); it.hasNext();) {
LocalVariable lv = (LocalVariable) it.next();
System.out.print(lv.name());
System.out.print(" typeName: ");
System.out.print(lv.typeName());
System.out.print(" signature: ");
System.out.print(lv.type().signature());
System.out.print(" primitive type: ");
System.out.println(lv.type().name());
if("command".equals(lv.name())) {
failure("Failure: LocalVariable \"command\" should not be visible at this point."); if (lv.isVisible(frame)) {
System.out.println("Failure: \"command.isvisible(frame)\" returned true.");
}
}
}
/* * 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("GetLocalVariables2Test: passed");
} else { thrownew Exception("GetLocalVariables2Test: failed");
}
}
}
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