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test/vmTestbase/nsk/jvmti/PopFrame/popframe004.java
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@@ -24,11 +24,11 @@
package nsk.jvmti.PopFrame;
import java.io.*;
/**
- * This test checks that a method's frame can be popped by the JVMTI
+ * This test checks that a method's frame can not be popped by the JVMTI
* function <code>PopFrame()</code>:
* <li>with intermediate native frames, and a thread, from which
* the PopFrame() was called, is different than the current thread
* <li>from the current thread with intermediate native frames
* <li>no JVMTI events will be generated by the function <code>PopFrame()</code>
@@ -39,11 +39,10 @@
public class popframe004 {
public static final int PASSED = 0;
public static final int FAILED = 2;
static final int JCK_STATUS_BASE = 95;
- static boolean DEBUG_MODE = false;
static volatile boolean popFdone = false;
static volatile boolean popF2done = false;
static volatile int totRes = PASSED;
private PrintStream out;
private popFrameCls popFrameClsThr;
@@ -58,12 +57,12 @@
System.getProperty("java.library.path"));
throw e;
}
}
- native void nativeMeth(int vrb, popFrameCls popFrameClsThr);
- native static int doPopFrame(int t_case, Thread popFrameClsThr);
+ native void nativeMeth(popFrameCls popFrameClsThr);
+ native static int doPopFrame(boolean otherThread, Thread popFrameClsThr);
native static int getResult();
public static void main(String[] argv) {
argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
@@ -76,33 +75,26 @@
private int runIt(String argv[], PrintStream out) {
int retValue = 0;
this.out = out;
- for (int i = 0; i < argv.length; i++) {
- if (argv[i].equals("-v")) // verbose mode
- DEBUG_MODE = true;
- }
PipedInputStream pipeIn = new PipedInputStream();
popFrameClsThr = new popFrameCls(pipeIn);
synchronized (barrier) { // force a child thread to pause
popFrameClsThr.start(); // start a separate thread
-// wait until the thread will enter into a necessary method
+ // wait until the thread will enter into a necessary method
try {
int _byte = pipeIn.read();
} catch (IOException e) {
out.println("TEST FAILED: reading from a pipe: caught " + e);
return FAILED;
}
-// pop the frame
+ // pop the frame
if (popFrameClsThr.isAlive()) {
- if (DEBUG_MODE) {
- out.println("Going to pop the frame...");
- retValue=doPopFrame(1, popFrameClsThr);
- } else
- retValue=doPopFrame(0, popFrameClsThr);
+ out.println("Going to pop the frame on other thread...");
+ retValue = doPopFrame(true, popFrameClsThr);
popFdone = true;
if (retValue != PASSED)
return FAILED;
}
else {
@@ -123,94 +115,56 @@
out.println("TEST FAILED: thread with the method of " +
"the popped frame is still alive");
totRes = FAILED;
}
- if (DEBUG_MODE) {
- out.println("Going to pop the native frame...");
- totRes=doPopFrame(5, Thread.currentThread());
- } else
- totRes=doPopFrame(4, Thread.currentThread());
-
+ out.println("Going to pop the native frame on the current thread...");
+ totRes = doPopFrame(false, Thread.currentThread());
if (totRes != PASSED)
return FAILED;
else return getResult();
}
class popFrameCls extends Thread {
- private PipedInputStream pipeIn;
private PipedOutputStream pipeOut;
popFrameCls(PipedInputStream pipeIn) {
- this.pipeIn = pipeIn;
try {
pipeOut = new PipedOutputStream(pipeIn);
} catch (IOException e) {
out.println("popFrameCls (" + this +
"): creating a pipe: caught " + e);
return;
}
}
public void run() {
- if (DEBUG_MODE)
- nativeMeth(1, popFrameClsThr);
- else nativeMeth(0, popFrameClsThr);
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): exiting...");
+ nativeMeth(popFrameClsThr);
+ out.println("popFrameCls (" + this + "): exiting...");
}
public void activeMethod() {
int retVal = FAILED;
boolean compl = true;
- if (popframe004.popFdone) { // popping has been done
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): enter activeMethod() after popping");
-// test case #2: popping from the current thread
- if (!popframe004.popF2done) {
- popframe004.popF2done = true;
- if (DEBUG_MODE) {
- out.println("popFrameCls (" + this +
- "): going to pop a frame from the current thread...");
- retVal = doPopFrame(3, popFrameClsThr);
- } else
- retVal = doPopFrame(2, popFrameClsThr);
- if (retVal != PASSED)
- popframe004.totRes = FAILED;
- }
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): leaving activeMethod()...");
- return;
- }
try {
+ out.println("popFrameCls (" + this + "): inside activeMethod()");
pipeOut.write(123); // notify the main thread
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): inside activeMethod()");
-// pause here until the main thread suspends us
+ // pause here until the main thread suspends us
synchronized (popframe004.barrier) {
while (true) {
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): looping...");
+ out.println("popFrameCls (" + this + "): looping...");
if (popframe004.popFdone) { // popping has been done
// popping has not to be done due to native frame
- if (DEBUG_MODE)
- out.println("popFrameCls (" + this +
- "): exiting activeMethod()...");
+ out.println("popFrameCls (" + this + "): exiting activeMethod()...");
compl = false;
return;
}
}
}
} catch (Exception e) {
- out.println("FAILURE: popFrameCls (" + this +
- "): caught " + e);
+ out.println("FAILURE: popFrameCls (" + this + "): caught " + e);
popframe004.totRes = FAILED;
compl = false;
} finally {
if (compl) {
out.println("TEST FAILED: finally block was executed after popping");
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