| /* |
| * Copyright (C) 2011 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 android.content.pm; |
| |
| import android.os.Parcel; |
| import android.test.AndroidTestCase; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.security.MessageDigest; |
| |
| public class ManifestDigestTest extends AndroidTestCase { |
| private static final byte[] MESSAGE_1 = { |
| (byte) 0x00, (byte) 0xAA, (byte) 0x55, (byte) 0xFF |
| }; |
| |
| public void testManifestDigest_FromInputStream_Null() { |
| assertNull("Attributes were null, so ManifestDigest.fromAttributes should return null", |
| ManifestDigest.fromInputStream(null)); |
| } |
| |
| public void testManifestDigest_FromInputStream_ThrowsIoException() { |
| InputStream is = new InputStream() { |
| @Override |
| public int read() throws IOException { |
| throw new IOException(); |
| } |
| }; |
| |
| assertNull("InputStream threw exception, so ManifestDigest should be null", |
| ManifestDigest.fromInputStream(is)); |
| } |
| |
| public void testManifestDigest_Equals() throws Exception { |
| InputStream is = new ByteArrayInputStream(MESSAGE_1); |
| |
| ManifestDigest expected = |
| new ManifestDigest(MessageDigest.getInstance("SHA-256").digest(MESSAGE_1)); |
| |
| ManifestDigest actual = ManifestDigest.fromInputStream(is); |
| assertEquals(expected, actual); |
| |
| ManifestDigest unexpected = new ManifestDigest(new byte[0]); |
| assertFalse(unexpected.equals(actual)); |
| } |
| |
| public void testManifestDigest_Parcel() throws Exception { |
| InputStream is = new ByteArrayInputStream(MESSAGE_1); |
| |
| ManifestDigest digest = ManifestDigest.fromInputStream(is); |
| |
| Parcel p = Parcel.obtain(); |
| digest.writeToParcel(p, 0); |
| p.setDataPosition(0); |
| |
| ManifestDigest fromParcel = ManifestDigest.CREATOR.createFromParcel(p); |
| |
| assertEquals("ManifestDigest going through parceling should be the same as before: " |
| + digest.toString() + " and " + fromParcel.toString(), digest, |
| fromParcel); |
| } |
| } |