| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.netbeans.core.output2; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.CharBuffer; |
| import java.util.Arrays; |
| import junit.framework.TestCase; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * |
| * @author tim |
| */ |
| public class StorageTest extends TestCase { |
| |
| public StorageTest(String testName) { |
| super(testName); |
| } |
| |
| Storage filemap = null; |
| Storage heap = null; |
| @Override |
| protected void setUp() throws Exception { |
| filemap = new FileMapStorage(); |
| heap = new HeapStorage(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| filemap.dispose(); |
| heap.dispose(); |
| } |
| |
| // #85050 |
| public void testMMappedFileCanBeDeleted() throws Exception { |
| write(filemap, "Test text"); |
| BufferResource<ByteBuffer> br = filemap.getReadBuffer(0, 10); |
| ByteBuffer b = br.getBuffer(); |
| String s = b.asCharBuffer().toString(); |
| br.releaseBuffer(); |
| File f = ((FileMapStorage) filemap).getOutputFile(); |
| assertTrue("Memory mapped file should be created", f.exists()); |
| filemap.dispose(); |
| tryToDeleteFile(f); |
| assertFalse("Memory mapped file should be deleted", f.exists()); |
| } |
| |
| public void testMMappedFileWithMoreBuffersCanBeDeleted() throws Exception { |
| |
| for (int i = 0; i < 10; i++) { |
| int fwrite = write(filemap, "A string"); |
| BufferResource<ByteBuffer> br = filemap.getReadBuffer(fwrite, filemap.size() - fwrite); |
| ByteBuffer fbuf = br.getBuffer(); |
| assertNotNull(fbuf); |
| br.releaseBuffer(); |
| } |
| File f = ((FileMapStorage) filemap).getOutputFile(); |
| filemap.dispose(); |
| tryToDeleteFile(f); |
| assertFalse("Memory mapped file should be deleted", f.exists()); |
| } |
| |
| private void tryToDeleteFile(File f) { |
| for (int i = 0; i < 500; i++) { |
| if (!f.exists()) { |
| break; |
| } |
| try { |
| Thread.sleep(10); |
| } catch (InterruptedException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| } |
| |
| public void testIsClosed() throws Exception { |
| doTestIsClosed(heap); |
| doTestIsClosed(filemap); |
| } |
| |
| private void doTestIsClosed (Storage storage) throws Exception { |
| System.out.println("testIsClosed - " + storage.getClass()); |
| assertTrue (storage.isClosed()); |
| |
| String test = "Hello world"; |
| storage.write(ByteBuffer.wrap(test.getBytes())); |
| |
| assertFalse (storage.isClosed()); |
| |
| storage.close(); |
| assertTrue (storage.isClosed()); |
| |
| write (storage, test); |
| assertFalse (storage.isClosed()); |
| |
| storage.close(); |
| assertTrue (storage.isClosed()); |
| |
| } |
| |
| private int write (Storage storage, String s) throws Exception { |
| ByteBuffer buf = storage.getWriteBuffer(AbstractLines.toByteIndex(s.length())); |
| buf.asCharBuffer().put(s); |
| buf.position (buf.position() + AbstractLines.toByteIndex(s.length())); |
| int result = storage.write(buf); |
| storage.flush(); |
| return result; |
| } |
| |
| |
| public void testIdenticalBehaviors() throws Exception { |
| String[] s = new String[10]; |
| String a = "abcd"; |
| String b = a; |
| for (int i=0; i < s.length; i++) { |
| s[i] = b; |
| b += a; |
| int hwrite = write (heap, s[i]); |
| int fwrite = write (filemap, s[i]); |
| assertEquals (hwrite, fwrite); |
| assertEquals(heap.isClosed(), filemap.isClosed()); |
| assertEquals(heap.size(), filemap.size()); |
| BufferResource<ByteBuffer> hbufRef = heap.getReadBuffer(hwrite, heap.size() - hwrite); |
| BufferResource<ByteBuffer> fbufRef = filemap.getReadBuffer(hwrite, filemap.size() - fwrite); |
| ByteBuffer hbuf = hbufRef.getBuffer(); |
| ByteBuffer fbuf = fbufRef.getBuffer(); |
| hbufRef.releaseBuffer(); |
| fbufRef.releaseBuffer(); |
| } |
| } |
| |
| public void testFileMapStorageCanBeAsLargeAsIntegerMaxValue() { |
| System.out.println("testFileMapStorageCanBeAsLargeAsIntegerMaxValue - THIS TEST WILL CREATE A 2 GIGABYTE TEMP FILE!!!!"); |
| if (true) { |
| System.out.println("Wisely skipping this test"); |
| return; |
| } |
| char[] c = new char[16384]; |
| Arrays.fill (c, 'a'); |
| String s = new String(c); |
| try { |
| while (filemap.size() < Integer.MAX_VALUE) { |
| write (filemap, s); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| fail ("Could not create a large file - " + e.getMessage()); |
| } |
| } |
| |
| public void testOutputWriterUsesHeapStorageWithLowMemoryFlagSet() throws Exception { |
| System.out.println("testOutputWriterUsesHeapStorageWithLowMemoryFlagSet"); |
| boolean old = OutWriter.lowDiskSpace; |
| OutWriter.lowDiskSpace = true; |
| OutWriter ow = new OutWriter (); |
| try { |
| ow.println("Foo"); |
| assertTrue (ow.getStorage() instanceof HeapStorage); |
| } finally { |
| ow.dispose(); |
| OutWriter.lowDiskSpace = old; |
| } |
| } |
| |
| } |