hostsidetests/packagemanager/extractnativelibs/apps/app_extract/src/com/android/cts/extractnativelibs/app/extract/ExtractNativeLibsTrueDeviceTest.java

/*
 * Copyright (C) 2020 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.cts.extractnativelibs.app.extract;

import androidx.test.InstrumentationRegistry;
import androidx.test.runner.AndroidJUnit4;

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

import java.io.File;

/** Device test for extractNativeLibs=true */
@RunWith(AndroidJUnit4.class)
public class ExtractNativeLibsTrueDeviceTest {

    /** Test that the native lib dir exists and has an native lib file extracted in it. */
    @Test
    public void testNativeLibsExtracted() throws Exception {
        File nativeLibDir = new File(
                InstrumentationRegistry.getContext().getApplicationInfo().nativeLibraryDir);
        Assert.assertTrue(nativeLibDir.isDirectory());
        Assert.assertEquals(1, nativeLibDir.list().length);
    }
}