/*
 * Copyright (C) 2023 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.systemui.util;

import android.os.Looper;

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

import com.android.systemui.SysuiTestCase;

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


/**
 * Test that UiThread.runOnUiThread() actually runs on the UI Thread.
 */
@RunWith(AndroidJUnit4.class)
@SmallTest
public class UiThreadRunTest extends SysuiTestCase {

    @Test
    public void testUiThread() throws Throwable {
        UiThread.runOnUiThread(() -> {
            Assert.assertEquals(Looper.getMainLooper().getThread(), Thread.currentThread());
        });
    }
}