Add EventReportTest

        MESSAGE_EXTENDED_DATA_CHANGED("MessageExtendedDataChanged"),

        PARTICIPANT_PRESENCE_CHANGED("ParticipantPresenceChanged"),

        PARTICIPANT_CHAT_STATE_CHANGED("ParticipantChatStateChanged"),

        CONCERSATION_CHANGED("ConversationChanged");

        CONVERSATION_CHANGED("ConversationChanged");

        private final String mSpecName;

        Type(String specName) {

/*

 * Copyright 2022 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 com.android.bluetooth.mapclient;

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

import static org.mockito.Mockito.any;

import static org.mockito.Mockito.doThrow;

import static org.mockito.Mockito.mock;

import androidx.test.filters.SmallTest;

import androidx.test.runner.AndroidJUnit4;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.io.ByteArrayInputStream;

import java.io.DataInputStream;

import java.io.IOException;

import java.io.InputStream;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class EventReportTest {

    @Test

    public void fromStream() throws Exception {

        EventReport.Type type = EventReport.Type.PARTICIPANT_CHAT_STATE_CHANGED;

        String handle = "FFAB";

        String folder = "test_folder";

        String oldFolder = "old_folder";

        Bmessage.Type msgType = Bmessage.Type.MMS;

        final StringBuilder xml = new StringBuilder();

        xml.append("<event\n");

        xml.append("type=\"" + type.toString() + "\"\n");

        xml.append("handle=\"" + handle + "\"\n");

        xml.append("folder=\"" + folder + "\"\n");

        xml.append("old_folder=\"" + oldFolder + "\"\n");

        xml.append("msg_type=\"" + msgType + "\"\n");

        xml.append("/>\n");

        ByteArrayInputStream stream = new ByteArrayInputStream(xml.toString().getBytes());

        EventReport report = EventReport.fromStream(new DataInputStream(stream));

        assertThat(report.getType()).isEqualTo(type);

        assertThat(report.getHandle()).isEqualTo(handle);

        assertThat(report.getFolder()).isEqualTo(folder);

        assertThat(report.getOldFolder()).isEqualTo(oldFolder);

        assertThat(report.getMsgType()).isEqualTo(msgType);

        assertThat(report.toString()).isNotEmpty();

    }

    @Test

    public void fromStream_withInvalidXml_doesNotCrash_andReturnNull() {

        final StringBuilder xml = new StringBuilder();

        xml.append("<<event>>\n");

        ByteArrayInputStream stream = new ByteArrayInputStream(xml.toString().getBytes());

        EventReport report = EventReport.fromStream(new DataInputStream(stream));

        assertThat(report).isNull();

    }

    @Test

    public void fromStream_withIOException_doesNotCrash_andReturnNull() throws Exception {

        InputStream stream = mock(InputStream.class);

        doThrow(new IOException()).when(stream).read(any());

        EventReport report = EventReport.fromStream(new DataInputStream(stream));

        assertThat(report).isNull();

    }

    @Test

    public void fromStream_withIllegalArgumentException_doesNotCrash_andReturnNull() {

        final StringBuilder xml = new StringBuilder();

        xml.append("<event\n");

        xml.append("type=\"" + "some_random_type" + "\"\n");

        xml.append("/>\n");

        ByteArrayInputStream stream = new ByteArrayInputStream(xml.toString().getBytes());

        EventReport report = EventReport.fromStream(new DataInputStream(stream));

        assertThat(report).isNull();

    }

}