packages/Tethering/tests/unit/src/android/net/util/TetheringUtilsTest.java

/*
 * Copyright (C) 2019 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.net.util;

import static android.net.TetheringManager.TETHERING_USB;
import static android.net.TetheringManager.TETHERING_WIFI;

import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;

import android.net.LinkAddress;
import android.net.TetheringRequestParcel;

import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;

import com.android.testutils.MiscAssertsKt;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)
@SmallTest
public class TetheringUtilsTest {
    private static final LinkAddress TEST_SERVER_ADDR = new LinkAddress("192.168.43.1/24");
    private static final LinkAddress TEST_CLIENT_ADDR = new LinkAddress("192.168.43.5/24");
    private TetheringRequestParcel mTetheringRequest;

    @Before
    public void setUp() {
        mTetheringRequest = makeTetheringRequestParcel();
    }

    public TetheringRequestParcel makeTetheringRequestParcel() {
        final TetheringRequestParcel request = new TetheringRequestParcel();
        request.tetheringType = TETHERING_WIFI;
        request.localIPv4Address = TEST_SERVER_ADDR;
        request.staticClientAddress = TEST_CLIENT_ADDR;
        request.exemptFromEntitlementCheck = false;
        request.showProvisioningUi = true;
        return request;
    }

    @Test
    public void testIsTetheringRequestEquals() throws Exception {
        TetheringRequestParcel request = makeTetheringRequestParcel();

        assertTrue(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, mTetheringRequest));
        assertTrue(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, request));
        assertTrue(TetheringUtils.isTetheringRequestEquals(null, null));
        assertFalse(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, null));
        assertFalse(TetheringUtils.isTetheringRequestEquals(null, mTetheringRequest));

        request = makeTetheringRequestParcel();
        request.tetheringType = TETHERING_USB;
        assertFalse(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, request));

        request = makeTetheringRequestParcel();
        request.localIPv4Address = null;
        request.staticClientAddress = null;
        assertFalse(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, request));

        request = makeTetheringRequestParcel();
        request.exemptFromEntitlementCheck = true;
        assertFalse(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, request));

        request = makeTetheringRequestParcel();
        request.showProvisioningUi = false;
        assertFalse(TetheringUtils.isTetheringRequestEquals(mTetheringRequest, request));

        MiscAssertsKt.assertFieldCountEquals(5, TetheringRequestParcel.class);
    }
}