/*
* 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 android.util.Base64;
import java.util.jar.Attributes;
public class ManifestDigestTest extends AndroidTestCase {
private static final byte[] DIGEST_1 = {
(byte) 0x00, (byte) 0xAA, (byte) 0x55, (byte) 0xFF
};
private static final String DIGEST_1_STR = Base64.encodeToString(DIGEST_1, Base64.DEFAULT);
private static final byte[] DIGEST_2 = {
(byte) 0x0A, (byte) 0xA5, (byte) 0xF0, (byte) 0x5A
};
private static final String DIGEST_2_STR = Base64.encodeToString(DIGEST_2, Base64.DEFAULT);
private static final Attributes.Name SHA1_DIGEST = new Attributes.Name("SHA1-Digest");
private static final Attributes.Name MD5_DIGEST = new Attributes.Name("MD5-Digest");
public void testManifestDigest_FromAttributes_Null() {
assertNull("Attributes were null, so ManifestDigest.fromAttributes should return null",
ManifestDigest.fromAttributes(null));
}
public void testManifestDigest_FromAttributes_NoAttributes() {
Attributes a = new Attributes();
assertNull("There were no attributes to extract, so ManifestDigest should be null",
ManifestDigest.fromAttributes(a));
}
public void testManifestDigest_FromAttributes_SHA1PreferredOverMD5() {
Attributes a = new Attributes();
a.put(SHA1_DIGEST, DIGEST_1_STR);
a.put(MD5_DIGEST, DIGEST_2_STR);
ManifestDigest fromAttributes = ManifestDigest.fromAttributes(a);
assertNotNull("A valid ManifestDigest should be returned", fromAttributes);
ManifestDigest created = new ManifestDigest(DIGEST_1);
assertEquals("SHA-1 should be preferred over MD5: " + created.toString() + " vs. "
+ fromAttributes.toString(), created, fromAttributes);
assertEquals("Hash codes should be the same: " + created.toString() + " vs. "
+ fromAttributes.toString(), created.hashCode(), fromAttributes
.hashCode());
}
public void testManifestDigest_Parcel() {
Attributes a = new Attributes();
a.put(SHA1_DIGEST, DIGEST_1_STR);
ManifestDigest digest = ManifestDigest.fromAttributes(a);
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);
}
}