| /* |
| * 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.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.zip.DeflaterInputStream; |
| import java.util.zip.InflaterInputStream; |
| import junit.framework.TestCase; |
| |
| public final class DeflaterInputStreamTest extends TestCase { |
| |
| public void testReadByteByByte() throws IOException { |
| byte[] data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; |
| InputStream in = new DeflaterInputStream(new ByteArrayInputStream(data)); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| |
| assertEquals(1, in.available()); |
| int b; |
| while ((b = in.read()) != -1) { |
| out.write(b); |
| } |
| assertEquals(0, in.available()); |
| |
| assertEquals(Arrays.toString(data), Arrays.toString(inflate(out.toByteArray()))); |
| |
| in.close(); |
| try { |
| in.available(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| |
| public byte[] inflate(byte[] bytes) throws IOException { |
| java.io.InputStream in = new InflaterInputStream(new ByteArrayInputStream(bytes)); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| byte[] buffer = new byte[1024]; |
| int count; |
| while ((count = in.read(buffer)) != -1) { |
| out.write(buffer, 0, count); |
| } |
| return out.toByteArray(); |
| } |
| |
| public void testReadWithBuffer() throws IOException { |
| byte[] data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; |
| byte[] buffer = new byte[8]; |
| InputStream in = new DeflaterInputStream(new ByteArrayInputStream(data)); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| assertEquals(1, in.available()); |
| int count; |
| while ((count = in.read(buffer, 0, 5)) != -1) { |
| assertTrue(count <= 5); |
| out.write(buffer, 0, count); |
| } |
| assertEquals(0, in.available()); |
| |
| assertEquals(Arrays.toString(data), Arrays.toString(inflate(out.toByteArray()))); |
| |
| in.close(); |
| try { |
| in.available(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| |
| public void testReadExceptions() throws IOException { |
| byte[] data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; |
| byte[] buffer = new byte[8]; |
| InputStream in = new DeflaterInputStream(new ByteArrayInputStream(data)); |
| try { |
| in.read(buffer, 0, 10); |
| fail(); |
| } catch (IndexOutOfBoundsException expected) { |
| } |
| try { |
| in.read(null, 0, 5); |
| fail(); |
| } catch (NullPointerException expected) { |
| } |
| try { |
| in.read(buffer, -1, 5); |
| fail(); |
| } catch (IndexOutOfBoundsException expected) { |
| } |
| in.close(); |
| try { |
| in.read(buffer, 0, 5); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| } |