| /* |
| * 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); |
| } |
| } |
| } |
