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8292880: Improve debuggee logging for com/sun/jdi/ClassUnloadEventTest.java #10004

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8292880: Improve debuggee logging for com/sun/jdi/ClassUnloadEventTest.java #10004

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0812d70
Improve debuggee output.
plummercj Aug 24, 2022
2553ecb
Add GC logging.
plummercj Aug 24, 2022
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28 changes: 25 additions & 3 deletions test/jdk/com/sun/jdi/ClassUnloadEventTest.java
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Expand Up @@ -54,7 +54,12 @@ public class ClassUnloadEventTest {

public static void main(String[] args) throws Exception {
if (args.length == 0) {
runDebuggee();
try {
runDebuggee();
} catch (Exception e) {
e.printStackTrace();
throw e;
}
} else {
runDebugger();
}
Expand Down Expand Up @@ -96,7 +101,7 @@ private static void runDebuggee() {
Class.forName(CLASS_NAME_PREFIX + index, true, loader);
}
} catch (Exception e) {
throw new RuntimeException("Failed to create Sample class");
throw new RuntimeException("Failed to create Sample class", e);
}
}
loader = null;
Expand All @@ -109,6 +114,8 @@ private static void runDebuggee() {
Thread.sleep(5000);
} catch (InterruptedException e) {
}

System.out.println("Exiting debuggee");
}

private static void runDebugger() throws Exception {
Expand Down Expand Up @@ -169,6 +176,21 @@ private static void runDebugger() throws Exception {
eventSet.resume();
}

/* Dump debuggee output. */
Process p = vm.process();
BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedReader err = new BufferedReader(new InputStreamReader(p.getErrorStream()));
String line = in.readLine();
while (line != null) {
System.out.println("stdout: " + line);
line = in.readLine();
}
line = err.readLine();
while (line != null) {
System.out.println("stderr: " + line);
line = err.readLine();
}

if (unloadedSampleClasses.size() != NUM_CLASSES) {
throw new RuntimeException("Wrong number of class unload events: expected " + NUM_CLASSES + " got " + unloadedSampleClasses.size());
}
Expand All @@ -183,7 +205,7 @@ private static VirtualMachine connectAndLaunchVM() throws IOException,
LaunchingConnector launchingConnector = Bootstrap.virtualMachineManager().defaultConnector();
Map<String, Connector.Argument> arguments = launchingConnector.defaultArguments();
arguments.get("main").setValue(ClassUnloadEventTest.class.getName());
arguments.get("options").setValue("--add-exports java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI");
arguments.get("options").setValue("--add-exports java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xlog:class+unload=info -Xlog:gc");
return launchingConnector.launch(arguments);
}
}