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/*
* Copyright (c) 2022, 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 8193879 8193801 8129348
* @summary Invokes static and instance methods when debugger trace
* mode is on.
* @library /test/lib
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g MethodInvokeWithTraceOnTest.java
* @run driver MethodInvokeWithTraceOnTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
import static lib.jdb.JdbTest.*;
/********** target program **********/
class MethodInvokeWithTraceOnTestTarg {
public static void main(String[] args) {
new MethodInvokeWithTraceOnTestTarg().test();
}
private void test() {
Thread thread = Thread.currentThread();
print(thread); // @1 breakpoint
String str = "test";
printStatic(str); // @2 breakpoint
}
public void print(Object obj) {
System.out.println(obj);
}
public static void printStatic(Object obj) {
System.out.println(obj);
}
}
/********** test program **********/
public class MethodInvokeWithTraceOnTest extends TestScaffold {
MethodInvokeWithTraceOnTest(String args[]) {
super(args);
}
public static void main(String[] args)
throws Exception {
new MethodInvokeWithTraceOnTest(args).startTests();
}
/********** test core **********/
protected void runTests() throws Exception {
init();
// Test with suspend policy set to SUSPEND_EVENT_THREAD
BreakpointEvent be = resumeToBreakpoint(true, 1);
System.out.println("Breakpoint 1 is hit, suspendPolicy:" + be.request().suspendPolicy());
testMethods(be);
// Test with suspend policy set to SUSPEND_ALL
be = resumeToBreakpoint(false, 2);
System.out.println("Breakpoint 2 is hit, suspendPolicy:" + be.request().suspendPolicy());
testMethods(be);
listenUntilVMDisconnect();
}
private void init() throws Exception {
startToMain("MethodInvokeWithTraceOnTestTarg");
vm().setDebugTraceMode(VirtualMachine.TRACE_ALL);
}
private BreakpointEvent resumeToBreakpoint(boolean suspendThread, int breakpointId) throws Exception {
int bkpLine = parseBreakpoints(getTestSourcePath("MethodInvokeWithTraceOnTest.java"), breakpointId).get(0);
System.out.println("Running to line: " + bkpLine);
return resumeTo("MethodInvokeWithTraceOnTestTarg", bkpLine, suspendThread);
}
private void testMethods(BreakpointEvent be) throws Exception {
System.out.println("Testing methods...");
ThreadReference thread = be.thread();
StackFrame frame = thread.frame(0);
ObjectReference thisObj = frame.thisObject();
LocalVariable threadVar = frame.visibleVariableByName("thread");
ThreadReference threadObj = (ThreadReference) frame.getValue(threadVar);
StringReference stringObj = vm().mirrorOf("test string");
stringObj.disableCollection();
int invokeOptions = getMethodInvokeOptions(be);
testInstanceMethod1(thread, thisObj, stringObj, threadObj, invokeOptions);
testStaticMethod1(thread, thisObj, stringObj, threadObj, invokeOptions);
testStaticMethod2(thread, invokeOptions);
}
private void testInstanceMethod1(ThreadReference thread, ObjectReference thisObj, StringReference stringObj,
ThreadReference threadObj, int invokeOptions) throws Exception {
ClassType classType = (ClassType) thisObj.referenceType();
Method printMethod = classType.methodsByName("print",
"(Ljava/lang/Object;)V").get(0);
System.out.println("Passing StringReference to instance method...");
thisObj.invokeMethod(thread, printMethod, Collections.singletonList(stringObj), invokeOptions);
System.out.println("Passing ThreadReference to instance method...");
thisObj.invokeMethod(thread, printMethod, Collections.singletonList(threadObj), invokeOptions);
}
private void testStaticMethod1(ThreadReference thread, ObjectReference thisObj, StringReference stringObj,
ThreadReference threadObj, int invokeOptions) throws Exception {
ClassType classType = (ClassType) thisObj.referenceType();
Method printMethod = classType.methodsByName("printStatic",
"(Ljava/lang/Object;)V").get(0);
System.out.println("Passing StringReference to static method...");
classType.invokeMethod(thread, printMethod, Collections.singletonList(stringObj), invokeOptions);
System.out.println("Passing ThreadReference to static method...");
classType.invokeMethod(thread, printMethod, Collections.singletonList(threadObj), invokeOptions);
}
private void testStaticMethod2(ThreadReference thread, int invokeOptions) throws Exception {
ClassType classType = getClassType("java.lang.Class");
Method forNameMethod = classType.methodsByName("forName",
"(Ljava/lang/String;)Ljava/lang/Class;").get(0);
StringReference classNameParam = vm().mirrorOf("java.lang.String");
classType.invokeMethod(thread, forNameMethod, Collections.singletonList(classNameParam), invokeOptions);
}
private ClassType getClassType(String className) {
List classes = vm().classesByName(className);
return (ClassType) classes.get(0);
}
private int getMethodInvokeOptions(BreakpointEvent be) {
return be.request().suspendPolicy() == EventRequest.SUSPEND_EVENT_THREAD ?
ObjectReference.INVOKE_SINGLE_THREADED : 0;
}
}
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