| /* |
| * Copyright (C) 2010 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.zip; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Set; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| import java.util.zip.ZipInputStream; |
| import java.util.zip.ZipOutputStream; |
| |
| import junit.framework.TestCase; |
| |
| import tests.support.resource.Support_Resources; |
| |
| public final class ZipInputStreamTest extends TestCase { |
| |
| public void testShortMessage() throws IOException { |
| byte[] data = "Hello World".getBytes("UTF-8"); |
| byte[] zipped = ZipOutputStreamTest.zip("short", data); |
| assertEquals(Arrays.toString(data), Arrays.toString(unzip("short", zipped))); |
| } |
| |
| public void testLongMessage() throws IOException { |
| byte[] data = new byte[1024 * 1024]; |
| new Random().nextBytes(data); |
| assertTrue(Arrays.equals(data, unzip("r", ZipOutputStreamTest.zip("r", data)))); |
| } |
| |
| public static byte[] unzip(String name, byte[] bytes) throws IOException { |
| ZipInputStream in = new ZipInputStream(new ByteArrayInputStream(bytes)); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| |
| ZipEntry entry = in.getNextEntry(); |
| assertEquals(name, entry.getName()); |
| |
| byte[] buffer = new byte[1024]; |
| int count; |
| while ((count = in.read(buffer)) != -1) { |
| out.write(buffer, 0, count); |
| } |
| |
| assertNull(in.getNextEntry()); // There's only one entry in the Zip files we create. |
| |
| in.close(); |
| return out.toByteArray(); |
| } |
| |
| /** |
| * Reference implementation allows reading of empty zip using a {@link ZipInputStream}. |
| */ |
| public void testReadEmpty() throws IOException { |
| InputStream emptyZipIn = Support_Resources.getStream("java/util/zip/EmptyArchive.zip"); |
| ZipInputStream in = new ZipInputStream(emptyZipIn); |
| try { |
| ZipEntry entry = in.getNextEntry(); |
| assertNull("An empty zip has no entries", entry); |
| } finally { |
| in.close(); |
| } |
| } |
| |
| // NOTE: Using octal because it's easiest to use "hexdump -b" to dump file contents. |
| private static final byte[] INCOMPLETE_ZIP = new byte[] { |
| 0120, 0113, 0003, 0004, 0024, 0000, 0010, 0010, 0010, 0000, 0002, 0035, (byte) 0330, |
| 0106, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0013, |
| 0000, 0000, 0000, 0146, 0157, 0157, 0057, 0142, 0141, 0162, 0056, 0160, 0156, 0147 }; |
| |
| // http://b//21846904 |
| public void testReadOnIncompleteStream() throws Exception { |
| ZipInputStream zi = new ZipInputStream(new ByteArrayInputStream(INCOMPLETE_ZIP)); |
| ZipEntry ze = zi.getNextEntry(); |
| |
| // read() and closeEntry() must throw IOExceptions to indicate that |
| // the stream is corrupt. The bug above reported that they would loop |
| // forever. |
| try { |
| zi.read(new byte[1024], 0, 1024); |
| fail(); |
| } catch (IOException expected) { |
| } |
| |
| try { |
| zi.closeEntry(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| |
| zi.close(); |
| } |
| } |