Test: Adding Test Cases to NdefMessageTest

/*

 * Copyright (C) 2024 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.nfc;

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

import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.After;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)

public class NdefMessageTest {

    private NdefMessage mNdefMessage;

    private NdefRecord mNdefRecord;

    @Before

    public void setUp() {

        mNdefRecord = NdefRecord.createUri("http://www.example.com");

        mNdefMessage = new NdefMessage(mNdefRecord);

    }

    @After

    public void tearDown() {

    }

    @Test

    public void testGetRecords() {

        NdefRecord[] records = mNdefMessage.getRecords();

        assertThat(records).isNotNull();

        assertThat(records).hasLength(1);

        assertThat(records[0]).isEqualTo(mNdefRecord);

    }

    @Test

    public void testToByteArray() throws FormatException {

        byte[] bytes = mNdefMessage.toByteArray();

        assertThat(bytes).isNotNull();

        assertThat(bytes.length).isGreaterThan(0);

        NdefMessage ndefMessage = new NdefMessage(bytes);

        assertThat(ndefMessage).isNotNull();

    }

}