core/tests/coretests/src/android/view/textclassifier/SystemTextClassifierMetadataTest.java

/*
 * 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.view.textclassifier;

import static com.google.common.truth.Truth.assertThat;

import static org.testng.Assert.assertThrows;


import android.os.Parcel;

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 SystemTextClassifierMetadataTest {

    @Test
    public void testInvalidPackageNameThrowsException() {
        assertThrows(NullPointerException.class,
                () -> new SystemTextClassifierMetadata(/* packageName= */ null, /* userId= */
                        1, /* useDefaultTextClassifier= */ false));
    }

    @Test
    public void testParcel() {
        SystemTextClassifierMetadata sysTcMetadata = new SystemTextClassifierMetadata(
                "package", /* userId= */ 1, /* useDefaultTextClassifier= */ false);

        Parcel p = Parcel.obtain();
        sysTcMetadata.writeToParcel(p, 0);
        p.setDataPosition(0);

        SystemTextClassifierMetadata targetSysTcMetadata =
                SystemTextClassifierMetadata.CREATOR.createFromParcel(p);

        assertThat(targetSysTcMetadata.getUserId()).isEqualTo(sysTcMetadata.getUserId());
        assertThat(targetSysTcMetadata.getCallingPackageName()).isEqualTo(
                sysTcMetadata.getCallingPackageName());
        assertThat(targetSysTcMetadata.useDefaultTextClassifier()).isEqualTo(
                sysTcMetadata.useDefaultTextClassifier());
    }
}