tools/cts-preconditions/src/com/android/preconditions/cts/PreconditionsTest.java

/*
 * Copyright (C) 2015 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.preconditions.cts;

import android.content.Context;
import android.test.AndroidTestCase;

import com.android.compatibility.common.preconditions.ExternalStorageHelper;
import com.android.compatibility.common.preconditions.ScreenLockHelper;

/**
 * A test to verify that device-side preconditions are met for CTS
 */
public class PreconditionsTest extends AndroidTestCase {

    /**
     * Test if device has no screen lock
     * @throws Exception
     */
    public void testScreenUnlocked() throws Exception {
        assertFalse("Device must have screen lock disabled",
                ScreenLockHelper.isDeviceSecure(this.getContext()));
    }

    /**
     * Test if device has accessible external storage
     * @throws Exception
     */
    public void testExternalStoragePresent() throws Exception {
        assertTrue("Device must have external storage mounted in order to run CTS",
                ExternalStorageHelper.isExternalStorageReadable());
        assertTrue("Device external storage must be writable in order to run CTS",
                ExternalStorageHelper.isExternalStorageWritable());
    }

}