/* * 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 4467564 * @summary Test the popping of frames in synchronous context * (that is, when stopped at an event) * @author Robert Field * * @run build TestScaffold VMConnection TargetListener TargetAdapter * @run compile -g PopSynchronousTest.java * @run driver PopSynchronousTest
*/ import com.sun.jdi.*; import com.sun.jdi.event.*; import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class PopSynchronousTarg { static String s; static PopSynchronousTarg sole;
synchronizedvoid a(int y, boolean w) { if (y == 6 && w) {
s += "@";
} else {
s += " aArgFail ";
}
}
String b(String h) { if (h.equals("yo")) {
s += "[";
} else {
s += " bArgFail ";
}
a(6, true);
s += "]"; return s;
} long c() {
s += "<"; synchronized (s) {
b("yo");
}
s += ">"; return 17;
} staticvoid p() {
s += "("; if (sole.c() != 17) {
s += " cReturnFail ";
}
s += ")";
} staticvoid report() {
} publicstaticvoid main(String[] args){
s = new String();
sole = new PopSynchronousTarg(); for (int i = 0; i < 100; ++i) {
p(); // System.out.println(s);
report();
}
}
}
protectedvoid runTests() throws Exception { /* * Get to the top of main() * to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("PopSynchronousTarg");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
/* * Testing
*/
/* individual tests */ for (int i = 0; i < popMax; ++i) {
String from = calls[i]; for (int j = i; j < popMax; ++j) {
String to = calls[j];
String prev = calls[j+1];
println("TEST pop from '" + from + "' to '" + to + "'");
resumeTo(from);
reenter(to);
resumeTo("report");
resetExpected();
}
}
/* sequential tests */
println("TEST pop a b c p");
resumeTo("a");
pop("a");
pop("b");
pop("c");
pop("p");
resumeTo("report");
resetExpected();
println("TEST pop a c p");
resumeTo("a");
pop("a");
pop("c");
pop("p");
resumeTo("report");
resetExpected();
println("TEST stress a");
resumeTo("a"); for (int i = 0; i < 100; ++i) {
reenter("a");
}
resumeTo("report");
resetExpected();
println("TEST stress c");
resumeTo("c"); for (int i = 0; i < 100; ++i) {
reenter("c");
}
resumeTo("report");
resetExpected();
/* * we are done, get rid of target
*/
vm().dispose();
/* * deal with results of test * if anything has called failure("foo") testFailed will be true
*/ if (!testFailed) {
println("PopSynchronousTest: passed");
} else { thrownew Exception("PopSynchronousTest: failed");
}
}
}
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