| /* |
| * Copyright (C) 2020, 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.aidl.tests; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| |
| import android.aidl.tests.immutable.Bar; |
| import android.aidl.tests.immutable.Foo; |
| import android.aidl.tests.immutable.Union; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| import java.lang.UnsupportedOperationException; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class JavaOnlyImmutableAnnotationTests { |
| @Test |
| public void testReadWriteJavaOnlyImmutableParcelable() { |
| Parcel parcel = Parcel.obtain(); |
| List<Bar> list = new ArrayList<Bar>(); |
| list.add(new Bar("aa")); |
| Map<String, Bar> map = new HashMap<String, Bar>(); |
| map.put("key", new Bar("value")); |
| Bar[] array = new Bar[3]; |
| array[0] = new Bar("zero"); |
| array[1] = new Bar("one"); |
| array[2] = new Bar("two"); |
| |
| Foo foo = new Foo(7, new Bar("my"), list, map, array, Union.num(42)); |
| foo.writeToParcel(parcel, 0); |
| parcel.setDataPosition(0); |
| Foo foo2 = Foo.CREATOR.createFromParcel(parcel); |
| |
| assertThat(foo.a, is(foo2.a)); |
| assertThat(foo.b.s, is(foo2.b.s)); |
| assertThat(foo.c.size(), is(foo.c.size())); |
| assertThat(foo.c.get(0).s, is(foo2.c.get(0).s)); |
| assertThat(foo.c.size(), is(foo.c.size())); |
| assertThat(foo.d.get("key").s, is(foo2.d.get("key").s)); |
| assertThat(foo.e.length, is(foo.e.length)); |
| |
| for (int i = 0; i < foo.e.length; i++) { |
| assertThat(foo.e[i].s, is(foo2.e[i].s)); |
| } |
| |
| assertThat(foo.u.getNum(), is(foo2.u.getNum())); |
| } |
| |
| @Test |
| public void testEveryFieldIsFinal() { |
| for (Field f : Foo.class.getDeclaredFields()) { |
| if (!Modifier.isFinal(f.getModifiers())) { |
| fail(f.getName() + " should be final."); |
| } |
| } |
| } |
| |
| @Test(expected = UnsupportedOperationException.class) |
| public void testListIsUnmodifiable() { |
| Foo foo = new Foo(7, new Bar("my"), new ArrayList<Bar>(), new HashMap<String, Bar>(), |
| new Bar[5], Union.num(42)); |
| foo.c.add(new Bar("hi")); |
| // It is supposed to fail. |
| fail("A List in an immutable parcelable isn't modifiable."); |
| } |
| |
| @Test(expected = UnsupportedOperationException.class) |
| public void testMapIsUnmodifiable() { |
| Foo foo = new Foo(7, new Bar("my"), new ArrayList<Bar>(), new HashMap<String, Bar>(), |
| new Bar[5], Union.num(42)); |
| foo.d.put("key", new Bar("value")); |
| // It is supposed to fail. |
| fail("A Map in an immutable parcelable isn't modifiable."); |
| } |
| |
| @Test |
| public void testBuilderRespectDefaultValue() { |
| assertThat(new Foo.Builder().build().a, is(10)); |
| assertThat(new Bar.Builder().build().s, is("bar")); |
| } |
| |
| @Test |
| public void testBuilder() { |
| Bar b = new Bar("my"); |
| List<Bar> list = new ArrayList<Bar>(); |
| list.add(new Bar("aa")); |
| Map<String, Bar> map = new HashMap<String, Bar>(); |
| map.put("key", new Bar("value")); |
| Bar[] array = new Bar[3]; |
| array[0] = new Bar("zero"); |
| array[1] = new Bar("one"); |
| array[2] = new Bar("two"); |
| |
| Foo foo = new Foo(7, b, list, map, array, Union.num(42)); |
| Foo foo2 = new Foo.Builder() |
| .setA(7) |
| .setB(b) |
| .setC(list) |
| .setD(map) |
| .setE(array) |
| .setU(Union.num(42)) |
| .build(); |
| |
| assertThat(foo.a, is(foo2.a)); |
| assertThat(foo.b.s, is(foo2.b.s)); |
| assertThat(foo.c.size(), is(foo.c.size())); |
| assertThat(foo.c.get(0).s, is(foo2.c.get(0).s)); |
| assertThat(foo.c.size(), is(foo.c.size())); |
| assertThat(foo.d.get("key").s, is(foo2.d.get("key").s)); |
| assertThat(foo.e.length, is(foo.e.length)); |
| |
| for (int i = 0; i < foo.e.length; i++) { |
| assertThat(foo.e[i].s, is(foo2.e[i].s)); |
| } |
| |
| assertThat(foo.u.getNum(), is(foo2.u.getNum())); |
| } |
| } |