publicstaticvoid main(String[] args) throws Throwable { // First check if we get the expected errors.
OutputAnalyzer output = ProcessTools.executeTestJvm( "-agentlib:jdwp=transport=dt_socket,address=any,onjcmd=y");
output.shouldContain("Can only use onjcmd with server=y");
output.shouldHaveExitValue(1);
// Make sure debugging is not yet started.
String prop = getListenerAddress();
if (prop != null) { thrownew RuntimeException("Listener address was set to " + prop);
}
// Now start it (test that it is OK to do this more than once). for (int i = 0; i < 3; ++i) {
String jcmd = JDKToolFinder.getJDKTool("jcmd");
output = ProcessTools.executeProcess(jcmd, Long.toString(ProcessTools.getProcessId()), "VM.start_java_debugging");
String exp_str = i == 0 ? "Debugging has been started." : "Debugging is already active.";
output.shouldContain(exp_str);
output.shouldContain("Transport : dt_socket");
output.shouldHaveExitValue(0);
}
// Now the property should be set, as the jdwp agent waits for a // connection. long t1 = System.currentTimeMillis(); long t2 = t1;
if (prop != null) { if (prop.equals("localhost:0")) { thrownew RuntimeException("Port was not expanded");
} elseif (!prop.startsWith("dt_socket:")) { thrownew RuntimeException("Invalid transport prop " + prop);
}
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