| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package libcore.java.util; |
| |
| import dalvik.system.CloseGuard; |
| import junit.framework.TestCase; |
| |
| /** |
| * Test for {@link ResourceLeakageDetector} |
| */ |
| public class ResourceLeakageDetectorTest extends TestCase { |
| /** |
| * This test will not work on RI as it does not support the <code>CloseGuard</code> or similar |
| * mechanism. |
| */ |
| // TODO(paulduffin): b/31542223 - Work out why this is failing in CTS, fix and reenable. |
| public void notestDetectsUnclosedCloseGuard() throws Exception { |
| ResourceLeakageDetector detector = ResourceLeakageDetector.newDetector(); |
| try { |
| CloseGuard closeGuard = createCloseGuard(); |
| closeGuard.open("open"); |
| } finally { |
| boolean leaksDetected = true; |
| try { |
| System.logI("Checking for leaks"); |
| detector.checkForLeaks(); |
| leaksDetected = false; |
| } catch (AssertionError expected) { |
| // The leak detector should throw this error. |
| } |
| |
| if (!leaksDetected) { |
| fail("Did not detect any leaks"); |
| } |
| } |
| } |
| |
| public void testIgnoresClosedCloseGuard() throws Exception { |
| ResourceLeakageDetector detector = ResourceLeakageDetector.newDetector(); |
| try { |
| CloseGuard closeGuard = createCloseGuard(); |
| closeGuard.open("open"); |
| closeGuard.close(); |
| } finally { |
| detector.checkForLeaks(); |
| } |
| } |
| |
| /** |
| * Private method to ensure that the CloseGuard object is garbage collected. |
| */ |
| private CloseGuard createCloseGuard() { |
| final CloseGuard closeGuard = CloseGuard.get(); |
| new Object() { |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| closeGuard.warnIfOpen(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| }; |
| |
| return closeGuard; |
| } |
| } |