| /* |
| * Copyright (C) 2016 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.net; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import android.os.Parcel; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.support.test.filters.SmallTest; |
| |
| import org.junit.runner.RunWith; |
| import org.junit.Test; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class UidRangeTest { |
| |
| static { |
| System.loadLibrary("frameworksnettestsjni"); |
| } |
| |
| private static native byte[] readAndWriteNative(byte[] inParcel); |
| private static native int getStart(byte[] inParcel); |
| private static native int getStop(byte[] inParcel); |
| |
| @Test |
| public void testNativeParcelUnparcel() { |
| UidRange original = new UidRange(1234, Integer.MAX_VALUE); |
| |
| byte[] inParcel = marshall(original); |
| byte[] outParcel = readAndWriteNative(inParcel); |
| UidRange roundTrip = unmarshall(outParcel); |
| |
| assertEquals(original, roundTrip); |
| assertArrayEquals(inParcel, outParcel); |
| } |
| |
| @Test |
| public void testIndividualNativeFields() { |
| UidRange original = new UidRange(0x11115678, 0x22224321); |
| byte[] originalBytes = marshall(original); |
| |
| assertEquals(original.start, getStart(originalBytes)); |
| assertEquals(original.stop, getStop(originalBytes)); |
| } |
| |
| @Test |
| public void testSingleItemUidRangeAllowed() { |
| new UidRange(123, 123); |
| new UidRange(0, 0); |
| new UidRange(Integer.MAX_VALUE, Integer.MAX_VALUE); |
| } |
| |
| @Test |
| public void testNegativeUidsDisallowed() { |
| try { |
| new UidRange(-2, 100); |
| fail("Exception not thrown for negative start UID"); |
| } catch (IllegalArgumentException expected) { |
| } |
| |
| try { |
| new UidRange(-200, -100); |
| fail("Exception not thrown for negative stop UID"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| @Test |
| public void testStopLessThanStartDisallowed() { |
| final int x = 4195000; |
| try { |
| new UidRange(x, x - 1); |
| fail("Exception not thrown for negative-length UID range"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| /** |
| * Write a {@link UidRange} into an empty parcel and return the underlying data. |
| * |
| * @see unmarshall(byte[]) |
| */ |
| private static byte[] marshall(UidRange range) { |
| Parcel p = Parcel.obtain(); |
| range.writeToParcel(p, /* flags */ 0); |
| p.setDataPosition(0); |
| return p.marshall(); |
| } |
| |
| /** |
| * Read raw bytes into a parcel, and read a {@link UidRange} back out of them. |
| * |
| * @see marshall(UidRange) |
| */ |
| private static UidRange unmarshall(byte[] data) { |
| Parcel p = Parcel.obtain(); |
| p.unmarshall(data, 0, data.length); |
| p.setDataPosition(0); |
| return UidRange.CREATOR.createFromParcel(p); |
| } |
| } |