core/tests/inputmethodtests/src/android/os/InputMethodSubtypeArrayTest.java

/*
 * Copyright (C) 2014 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.os;

import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.view.inputmethod.InputMethodSubtype;
import android.view.inputmethod.InputMethodSubtypeArray;
import android.view.inputmethod.InputMethodSubtype.InputMethodSubtypeBuilder;

import java.util.ArrayList;

public class InputMethodSubtypeArrayTest extends InstrumentationTestCase {
    @SmallTest
    public void testInstanciate() throws Exception {
        final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>();
        subtypes.add(createDummySubtype(0, "en_US"));
        subtypes.add(createDummySubtype(1, "en_US"));
        subtypes.add(createDummySubtype(2, "ja_JP"));

        final InputMethodSubtypeArray array = new InputMethodSubtypeArray(subtypes);
        assertEquals(subtypes.size(), array.getCount());
        assertEquals(subtypes.get(0), array.get(0));
        assertEquals(subtypes.get(1), array.get(1));
        assertEquals(subtypes.get(2), array.get(2));

        final InputMethodSubtypeArray clonedArray = cloneViaParcel(array);
        assertEquals(subtypes.size(), clonedArray.getCount());
        assertEquals(subtypes.get(0), clonedArray.get(0));
        assertEquals(subtypes.get(1), clonedArray.get(1));
        assertEquals(subtypes.get(2), clonedArray.get(2));

        final InputMethodSubtypeArray clonedClonedArray = cloneViaParcel(clonedArray);
        assertEquals(clonedArray.getCount(), clonedClonedArray.getCount());
        assertEquals(clonedArray.get(0), clonedClonedArray.get(0));
        assertEquals(clonedArray.get(1), clonedClonedArray.get(1));
        assertEquals(clonedArray.get(2), clonedClonedArray.get(2));
    }

    InputMethodSubtypeArray cloneViaParcel(final InputMethodSubtypeArray original) {
        Parcel parcel = null;
        try {
            parcel = Parcel.obtain();
            original.writeToParcel(parcel);
            parcel.setDataPosition(0);
            return new InputMethodSubtypeArray(parcel);
        } finally {
            if (parcel != null) {
                parcel.recycle();
            }
        }
    }

    private static InputMethodSubtype createDummySubtype(final int id, final String locale) {
        final InputMethodSubtypeBuilder builder = new InputMethodSubtypeBuilder();
        return builder.setSubtypeNameResId(0)
                .setSubtypeIconResId(0)
                .setSubtypeId(id)
                .setSubtypeLocale(locale)
                .setIsAsciiCapable(true)
                .build();
    }
}