jdk8-mips64-public/hotspot: test/compiler/8004741/Test8004741.java@710a3c8b516e (annotated)

test/compiler/8004741/Test8004741.java@710a3c8b516e (annotated)

test/compiler/8004741/Test8004741.java

Tue, 08 Aug 2017 15:57:29 +0800

author: aoqi
date: Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876: 710a3c8b516e
parent 4534: 76341426b645
parent 0: f90c822e73f8
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 2012, 2013, 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 Test8004741.java
  * @bug 8004741
  * @summary Missing compiled exception handle table entry for multidimensional array allocation
  * @run main/othervm -Xmx64m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:+StressCompiledExceptionHandlers -XX:+SafepointALot -XX:GuaranteedSafepointInterval=100 Test8004741
  * @run main/othervm -Xmx64m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:+StressCompiledExceptionHandlers Test8004741
  */
 import java.util.*;
 public class Test8004741 extends Thread {
   static int passed = 0;
   /**
    * Loop forever allocating 2-d arrays.
    * Catches and rethrows all exceptions; in the case of ThreadDeath, increments passed.
    * Note that passed is incremented here because this is the exception handler with
    * the smallest scope; we only want to declare success in the case where it is highly
    * likely that the test condition
    * (exception in 2-d array alloc interrupted by ThreadDeath)
    * actually occurs.
    */
   static int[][] test(int a, int b) throws Exception {
     int[][] ar;
     try {
       ar = new int[a][b];
     } catch (ThreadDeath e) {
       System.out.println("test got ThreadDeath");
       passed++;
       throw(e);
     }
     return ar;
   }
   /* Cookbook wait-notify to track progress of test thread. */
   Object progressLock = new Object();
   private static final int NOT_STARTED = 0;
   private static final int RUNNING = 1;
   private static final int STOPPING = 2;
   int progressState = NOT_STARTED;
   void toState(int state) {
     synchronized (progressLock) {
       progressState = state;
       progressLock.notify();
     }
   }
   void waitFor(int state) {
     synchronized (progressLock) {
       while (progressState < state) {
         try {
           progressLock.wait();
         } catch (InterruptedException e) {
           e.printStackTrace();
           System.out.println("unexpected InterruptedException");
           fail();
         }
       }
       if (progressState > state) {
         System.out.println("unexpected test state change, expected " +
                             state + " but saw " + progressState);
         fail();
       }
     }
   }
   /**
    * Loops running test until some sort of an exception or error,
    * expects to see ThreadDeath.
    */
   public void run() {
     try {
       // Print before state change, so that other thread is most likely
       // to see this thread executing calls to test() in a loop.
       System.out.println("thread running");
       toState(RUNNING);
       while (true) {
         // (2,2) (2,10) (2,100) were observed to tickle the bug;
         test(2, 100);
       }
     } catch (ThreadDeath e) {
       // nothing to say, passing was incremented by the test.
     } catch (Throwable e) {
       e.printStackTrace();
       System.out.println("unexpected Throwable " + e);
       fail();
     }
     toState(STOPPING);
   }
   /**
    * Runs a single trial of the test in a thread.
    * No single trial is definitive, since the ThreadDeath
    * exception might not land in the tested region of code.
    */
   public static void threadTest() throws InterruptedException {
     Test8004741 t = new Test8004741();
     t.start();
     t.waitFor(RUNNING);
     Thread.sleep(100);
     System.out.println("stopping thread");
     t.stop();
     t.waitFor(STOPPING);
     t.join();
   }
   public static void main(String[] args) throws Exception {
     // Warm up "test"
     // t will never be started.
     for (int n = 0; n < 11000; n++) {
       test(2, 100);
     }
     // Will this sleep help ensure that the compiler is run?
     Thread.sleep(500);
     passed = 0;
     try {
       test(-1, 100);
       System.out.println("Missing NegativeArraySizeException #1");
       fail();
     } catch ( java.lang.NegativeArraySizeException e ) {
       System.out.println("Saw expected NegativeArraySizeException #1");
     }
     try {
       test(100, -1);
       fail();
       System.out.println("Missing NegativeArraySizeException #2");
       fail();
     } catch ( java.lang.NegativeArraySizeException e ) {
       System.out.println("Saw expected NegativeArraySizeException #2");
     }
     /* Test repetitions.  If the test succeeds-mostly, it succeeds,
      * as long as it does not crash (the outcome if the exception range
      * table entry for the array allocation is missing).
      */
     int N = 12;
     for (int n = 0; n < N; n++) {
       threadTest();
     }
     if (passed > N/2) {
       System.out.println("Saw " + passed + " out of " + N + " possible ThreadDeath hits");
       System.out.println("PASSED");
     } else {
       System.out.println("Too few ThreadDeath hits; expected at least " + N/2 +
                          " but saw only " + passed);
       fail();
     }
   }
   static void fail() {
     System.out.println("FAILED");
     System.exit(97);
   }
 };

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/8004741/Test8004741.java@710a3c8b516e (annotated)

test/compiler/8004741/Test8004741.java