tests/robotests/src/com/android/settings/applications/specialaccess/SystemAlertWindowPreferenceControllerTest.java

/*
 * Copyright (C) 2017 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.settings.applications.specialaccess;

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

import android.content.Context;

import com.android.settings.testutils.shadow.ShadowUtils;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;

@RunWith(RobolectricTestRunner.class)
@Config(shadows = {ShadowUtils.class})
public class SystemAlertWindowPreferenceControllerTest {

    private Context mContext;
    private SystemAlertWindowPreferenceController mController;

    @Before
    public void setUp() {
        mContext = RuntimeEnvironment.application;
        mController = new SystemAlertWindowPreferenceController(mContext, "key");
    }

    @Test
    public void systemAlertWindow_byDefault_shouldBeShown() {
        ShadowUtils.setIsSystemAlertWindowEnabled(true);
        assertThat(mController.isAvailable()).isTrue();
    }

    @Test
    public void systemAlertWindow_lowMemory_shouldNotBeShown() {
        ShadowUtils.setIsSystemAlertWindowEnabled(false);
        assertThat(mController.isAvailable()).isFalse();
    }
}