| /* |
| * Copyright (C) 2008 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.view.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.view.AbsSavedState; |
| import android.view.View.BaseSavedState; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class View_BaseSavedStateTest { |
| @Test(expected=IllegalArgumentException.class) |
| public void testConstructorNullParcelable() { |
| new BaseSavedState((Parcelable) null); |
| } |
| |
| @Test(expected=NullPointerException.class) |
| public void testConstructorNullParcel() { |
| new BaseSavedState((Parcel) null); |
| } |
| |
| @Test(expected=NullPointerException.class) |
| public void testConstructorNullParcelAndLoader() { |
| new BaseSavedState(null, null); |
| } |
| |
| @Test |
| public void testConstructors() { |
| BaseSavedState superState = new BaseSavedState(Parcel.obtain()); |
| assertEquals(AbsSavedState.EMPTY_STATE, superState.getSuperState()); |
| |
| BaseSavedState s = new BaseSavedState(superState); |
| assertEquals(superState, s.getSuperState()); |
| |
| Parcel source = Parcel.obtain(); |
| source.writeParcelable(superState, 0); |
| source.setDataPosition(0); |
| s = new BaseSavedState(source); |
| assertTrue(s.getSuperState() instanceof BaseSavedState); |
| |
| ClassLoader loader = BaseSavedState.class.getClassLoader(); |
| source = Parcel.obtain(); |
| source.writeParcelable(superState, 0); |
| source.setDataPosition(0); |
| s = new BaseSavedState(source, loader); |
| assertTrue(s.getSuperState() instanceof BaseSavedState); |
| } |
| |
| @Test |
| public void testCreator() { |
| int size = 10; |
| BaseSavedState[] array = BaseSavedState.CREATOR.newArray(size); |
| assertNotNull(array); |
| assertEquals(size, array.length); |
| for (BaseSavedState state : array) { |
| assertNull(state); |
| } |
| |
| BaseSavedState state = new BaseSavedState(AbsSavedState.EMPTY_STATE); |
| Parcel parcel = Parcel.obtain(); |
| state.writeToParcel(parcel, 0); |
| parcel.setDataPosition(0); |
| BaseSavedState unparceled = BaseSavedState.CREATOR.createFromParcel(parcel); |
| assertNotNull(unparceled); |
| assertEquals(AbsSavedState.EMPTY_STATE, unparceled.getSuperState()); |
| } |
| |
| @Test |
| public void testWriteToParcel() { |
| Parcelable superState = mock(Parcelable.class); |
| BaseSavedState savedState = new BaseSavedState(superState); |
| Parcel dest = Parcel.obtain(); |
| int flags = 2; |
| savedState.writeToParcel(dest, flags); |
| verify(superState).writeToParcel(eq(dest), eq(flags)); |
| } |
| } |