jdk8-mips64-public/langtools: test/tools/javac/TryWithResources/TwrTests.java@f497fac86cf9 (annotated)

test/tools/javac/TryWithResources/TwrTests.java@f497fac86cf9 (annotated)

test/tools/javac/TryWithResources/TwrTests.java

Thu, 25 Aug 2011 17:18:25 -0700

author: schien
date: Thu, 25 Aug 2011 17:18:25 -0700
changeset 1067: f497fac86cf9
parent 745: 4328728e0409
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Added tag jdk8-b02 for changeset b3c059de2a61

 /*
  * Copyright (c) 2009, 2010, 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 6911256 6964740
  * @summary Tests of generated TWR code.
  */
 import java.util.List;
 import java.util.ArrayList;
 public class TwrTests {
     public static void main(String[] args) {
         testCreateFailure1();
         testCreateFailure2();
         testCreateFailure2Nested();
         testCreateFailure3();
         testCreateFailure3Nested();
         testCreateFailure4();
         testCreateFailure4Nested();
         testCreateFailure5();
         testCreateFailure5Nested();
         testCreateSuccess1();
         testCreateSuccess2();
         testCreateSuccess2Nested();
         testCreateSuccess3();
         testCreateSuccess3Nested();
         testCreateSuccess4();
         testCreateSuccess4Nested();
         testCreateSuccess5();
         testCreateSuccess5Nested();
     }
     /*
      * The following tests simulate a creation failure of every possible
      * resource in an TWR block, and check to make sure that the failure
      * prevents creation of subsequent resources, and that all created
      * resources are properly closed, even if one or more of the close
      * attempts fails.
      */
     public static void testCreateFailure1() {
         int creationFailuresDetected = 0;
         List<Integer> closedList = new ArrayList<Integer>(0);
         try (Resource r0 = createResource(0, 0, 0, closedList)) {
             throw new AssertionError("Resource creation succeeded");
         } catch (Resource.CreateFailException e) {
             creationFailuresDetected++;
             if (e.resourceId() != 0) {
                 throw new AssertionError("Wrong resource creation "
                                          + e.resourceId() + " failed");
             }
         } catch (Resource.CloseFailException e) {
             throw new AssertionError("Unexpected CloseFailException: " + e.resourceId());
         }
         checkForSingleCreationFailure(creationFailuresDetected);
         checkClosedList(closedList, 0);
     }
     public static void testCreateFailure2() {
         for (int createFailureId = 0; createFailureId < 2; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList);
                      Resource r1 = createResource(1, createFailureId, bitMap, closedList)) {
                     throw new AssertionError("Entire resource creation succeeded");
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed");
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure2Nested() {
         for (int createFailureId = 0; createFailureId < 2; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList)) {
                     try(Resource r1 = createResource(1, createFailureId, bitMap, closedList)) {
                         throw new AssertionError("Entire resource creation succeeded");
                     }
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed");
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure3() {
         for (int createFailureId = 0; createFailureId < 3; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList);
                      Resource r1 = createResource(1, createFailureId, bitMap, closedList);
                      Resource r2 = createResource(2, createFailureId, bitMap, closedList)) {
                     throw new AssertionError("Entire resource creation succeeded");
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure3Nested() {
         for (int createFailureId = 0; createFailureId < 3; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, createFailureId, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, createFailureId, bitMap, closedList)) {
                             throw new AssertionError("Entire resource creation succeeded");
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure4() {
         for (int createFailureId = 0; createFailureId < 4; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList);
                      Resource r1 = createResource(1, createFailureId, bitMap, closedList);
                      Resource r2 = createResource(2, createFailureId, bitMap, closedList);
                      Resource r3 = createResource(3, createFailureId, bitMap, closedList)) {
                     throw new AssertionError("Entire resource creation succeeded");
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure4Nested() {
         for (int createFailureId = 0; createFailureId < 4; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, createFailureId, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, createFailureId, bitMap, closedList)) {
                             try (Resource r3 = createResource(3, createFailureId, bitMap, closedList)) {
                                 throw new AssertionError("Entire resource creation succeeded");
                             }
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure5() {
         for (int createFailureId = 0; createFailureId < 5; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList);
                      Resource r1 = createResource(1, createFailureId, bitMap, closedList);
                      Resource r2 = createResource(2, createFailureId, bitMap, closedList);
                      Resource r3 = createResource(3, createFailureId, bitMap, closedList);
                      Resource r4 = createResource(4, createFailureId, bitMap, closedList)) {
                     throw new AssertionError("Entire resource creation succeeded");
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     public static void testCreateFailure5Nested() {
         for (int createFailureId = 0; createFailureId < 5; createFailureId++) {
             for (int bitMap = 0, n = 1 << createFailureId; bitMap < n; bitMap++) {
                 int creationFailuresDetected = 0;
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, createFailureId, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, createFailureId, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, createFailureId, bitMap, closedList)) {
                             try (Resource r3 = createResource(3, createFailureId, bitMap, closedList)) {
                                 try (Resource r4 = createResource(4, createFailureId, bitMap, closedList)) {
                                     throw new AssertionError("Entire resource creation succeeded");
                                 }
                             }
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     creationFailuresDetected++;
                     checkCreateFailureId(e.resourceId(), createFailureId);
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     throw new AssertionError("Secondary exception suppression failed:" + e);
                 }
                 checkForSingleCreationFailure(creationFailuresDetected);
                 checkClosedList(closedList, createFailureId);
             }
         }
     }
     /**
      * Create a resource with the specified ID. The ID must be less than createFailureId.
      * A subsequent attempt to close the resource will fail iff the corresponding bit
      * is set in closeFailureBitMap.  When an attempt is made to close this resource,
      * its ID will be added to closedList, regardless of whether the attempt succeeds.
      *
      * @param id the ID of this resource
      * @param createFailureId the ID of the resource whose creation will fail
      * @param closeFailureBitMap a bit vector describing which resources should throw an
      *        exception when close is attempted
      * @param closedList a list on which to record resource close attempts
      * @throws AssertionError if no attempt should be made to create this resource
      */
     private static Resource createResource(int id,
                                            int createFailureId,
                                            int closeFailureBitMap,
                                            List<Integer> closedList) throws Resource.CreateFailException {
         if (id > createFailureId)
             throw new AssertionError("Resource " + id + " shouldn't be created");
         boolean createSucceeds = id != createFailureId;
         boolean closeSucceeds = (closeFailureBitMap & (1 << id)) == 0;
         return new Resource(id, createSucceeds, closeSucceeds, closedList);
     }
     /**
      * Check that an observed creation failure has the expected resource ID.
      *
      * @param foundId the ID of the resource whose creation failed
      * @param expectedId the ID of the resource whose creation should have failed
      */
     private static void checkCreateFailureId(int foundId, int expectedId) {
         if (foundId != expectedId)
             throw new AssertionError("Wrong resource creation failed. Found ID "
                                      + foundId + " expected " + expectedId);
     }
     /**
      * Check for proper suppressed exceptions in proper order.
      *
      * @param suppressedExceptions the suppressed exceptions array returned by
      *        getSuppressed()
      * @bitmap a bitmap indicating which suppressed exceptions are expected.
      *         Bit i is set iff id should throw a CloseFailException.
      */
     private static void checkSuppressedExceptions(Throwable[] suppressedExceptions, int bitMap) {
         if (suppressedExceptions.length != Integer.bitCount(bitMap))
             throw new AssertionError("Expected " + Integer.bitCount(bitMap)
                                      + " suppressed exceptions, got " +  suppressedExceptions.length);
         int prevCloseFailExceptionId = Integer.MAX_VALUE;
         for (Throwable t : suppressedExceptions) {
             int id = ((Resource.CloseFailException) t).resourceId();
             if ((1 << id  & bitMap) == 0)
                 throw new AssertionError("Unexpected suppressed CloseFailException: " + id);
             if (id > prevCloseFailExceptionId)
                 throw new AssertionError("Suppressed CloseFailException" + id
                                          + " followed " + prevCloseFailExceptionId);
         }
     }
     /**
      * Check that exactly one resource creation failed.
      *
      * @param numCreationFailuresDetected the number of creation failures detected
      */
     private static void checkForSingleCreationFailure(int numCreationFailuresDetected) {
         if (numCreationFailuresDetected != 1)
             throw new AssertionError("Wrong number of creation failures: "
                                      + numCreationFailuresDetected);
     }
     /**
      * Check that a close was attempted on every resourced that was successfully opened,
      * and that the close attempts occurred in the proper order.
      *
      * @param closedList the resource IDs of the close attempts, in the order they occurred
      * @param the ID of the resource whose creation failed.  Close attempts should occur
      *        for all previous resources, in reverse order.
      */
     private static void checkClosedList(List<Integer> closedList, int createFailureId) {
         List<Integer> expectedList = new ArrayList<Integer>(createFailureId);
         for (int i = createFailureId - 1; i >= 0; i--)
             expectedList.add(i);
         if (!closedList.equals(expectedList))
             throw new AssertionError("Closing sequence " + closedList + " != " + expectedList);
     }
     /*
      * The following tests simulate the creation of several resources, followed
      * by success or failure of forward processing.  They test that all resources
      * are properly closed, even if one or more of the close attempts fails.
      */
     public static void testCreateSuccess1() {
         for (int bitMap = 0, n = 1 << 1; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList)) {
                     if (failure != 0)
                         throw new MyKindOfException();
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 1);
             }
         }
     }
     public static void testCreateSuccess2() {
         for (int bitMap = 0, n = 1 << 2; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList);
                      Resource r1 = createResource(1, bitMap, closedList)) {
                     if (failure != 0)
                         throw new MyKindOfException();
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 2);
             }
         }
     }
     public static void testCreateSuccess2Nested() {
         for (int bitMap = 0, n = 1 << 2; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, bitMap, closedList)) {
                         if (failure != 0)
                             throw new MyKindOfException();
                     }
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 2);
             }
         }
     }
     public static void testCreateSuccess3() {
         for (int bitMap = 0, n = 1 << 3; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList);
                      Resource r1 = createResource(1, bitMap, closedList);
                      Resource r2 = createResource(2, bitMap, closedList)) {
                     if (failure != 0)
                         throw new MyKindOfException();
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 3);
             }
         }
     }
     public static void testCreateSuccess3Nested() {
         for (int bitMap = 0, n = 1 << 3; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, bitMap, closedList)) {
                             if (failure != 0)
                                 throw new MyKindOfException();
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 3);
             }
         }
     }
     public static void testCreateSuccess4() {
         for (int bitMap = 0, n = 1 << 4; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList);
                      Resource r1 = createResource(1, bitMap, closedList);
                      Resource r2 = createResource(2, bitMap, closedList);
                      Resource r3 = createResource(3, bitMap, closedList)) {
                     if (failure != 0)
                         throw new MyKindOfException();
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 4);
             }
         }
     }
     public static void testCreateSuccess4Nested() {
         for (int bitMap = 0, n = 1 << 4; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, bitMap, closedList)) {
                             try (Resource r3 = createResource(3, bitMap, closedList)) {
                                 if (failure != 0)
                                     throw new MyKindOfException();
                             }
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError(
                                              "Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 4);
             }
         }
     }
     public static void testCreateSuccess5() {
         for (int bitMap = 0, n = 1 << 5; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList);
                      Resource r1 = createResource(1, bitMap, closedList);
                      Resource r2 = createResource(2, bitMap, closedList);
                      Resource r3 = createResource(3, bitMap, closedList);
                      Resource r4 = createResource(4, bitMap, closedList)) {
                     if (failure != 0)
                         throw new MyKindOfException();
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError("Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 5);
             }
         }
     }
     public static void testCreateSuccess5Nested() {
         for (int bitMap = 0, n = 1 << 5; bitMap < n; bitMap++) {
             for (int failure = 0; failure < 2; failure++) {
                 List<Integer> closedList = new ArrayList<Integer>();
                 try (Resource r0 = createResource(0, bitMap, closedList)) {
                     try (Resource r1 = createResource(1, bitMap, closedList)) {
                         try (Resource r2 = createResource(2, bitMap, closedList)) {
                             try (Resource r3 = createResource(3, bitMap, closedList)) {
                                 try (Resource r4 = createResource(4, bitMap, closedList)) {
                                     if (failure != 0)
                                         throw new MyKindOfException();
                                 }
                             }
                         }
                     }
                 } catch (Resource.CreateFailException e) {
                     throw new AssertionError("Resource creation failed: " + e.resourceId());
                 } catch (MyKindOfException e) {
                     if (failure == 0)
                         throw new AssertionError("Unexpected MyKindOfException");
                     checkSuppressedExceptions(e.getSuppressed(), bitMap);
                 } catch (Resource.CloseFailException e) {
                     if (failure == 1)
                         throw new AssertionError("Secondary exception suppression failed");
                     int id = e.resourceId();
                     if (bitMap == 0)
                         throw new AssertionError("Unexpected CloseFailException: " + id);
                     int highestCloseFailBit = Integer.highestOneBit(bitMap);
                     if (1 << id != highestCloseFailBit) {
                         throw new AssertionError("CloseFailException: got id " + id
                                                  + ", expected lg(" + highestCloseFailBit +")");
                     }
                     checkSuppressedExceptions(e.getSuppressed(), bitMap & ~highestCloseFailBit);
                 }
                 checkClosedList(closedList, 5);
             }
         }
     }
     private static Resource createResource(int id,
                                            int closeFailureBitMap,
                                            List<Integer> closedList) throws Resource.CreateFailException {
         boolean closeSucceeds = (closeFailureBitMap & (1 << id)) == 0;
         return new Resource(id, true, closeSucceeds, closedList);
     }
     private static class MyKindOfException extends Exception {
     }
 }
 class Resource implements AutoCloseable {
     /** A number identifying this resource */
     private final int resourceId;
     /** Whether the close call on this resource should succeed or fail */
     private final boolean closeSucceeds;
     /** When resource is closed, it records its ID in this list */
     private final List<Integer> closedList;
     Resource(int resourceId, boolean createSucceeds, boolean closeSucceeds,
              List<Integer> closedList) throws CreateFailException {
         if (!createSucceeds)
             throw new CreateFailException(resourceId);
         this.resourceId = resourceId;
         this.closeSucceeds = closeSucceeds;
         this.closedList = closedList;
     }
     public void close() throws CloseFailException {
         closedList.add(resourceId);
         if (!closeSucceeds)
             throw new CloseFailException(resourceId);
     }
     public static class ResourceException extends RuntimeException {
         private final int resourceId;
         public ResourceException(int resourceId) {
             super("Resource ID = " + resourceId);
             this.resourceId = resourceId;
         }
         public int resourceId() {
             return resourceId;
         }
     }
     public static class CreateFailException extends ResourceException {
         public CreateFailException(int resourceId) {
             super(resourceId);
         }
     }
     public static class CloseFailException extends ResourceException {
         public CloseFailException(int resourceId) {
             super(resourceId);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/TryWithResources/TwrTests.java@f497fac86cf9 (annotated)

test/tools/javac/TryWithResources/TwrTests.java