libnativeloader/test/src/android/test/app/VendorAppTest.java

/*
 * Copyright (C) 2022 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.test.app;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class VendorAppTest {
    @Test
    public void testLoadLibraries() {
        assertLinkerNamespaceError("foo.oem1");
        assertLinkerNamespaceError("bar.oem1");
        assertLinkerNamespaceError("foo.oem2");
        assertLinkerNamespaceError("bar.oem2");
        assertLibraryNotFoundError("foo.product1");
        assertLibraryNotFoundError("bar.product1");
    }

    private void assertLinkerNamespaceError(String libraryName) {
        Throwable t =
                assertThrows(UnsatisfiedLinkError.class, () -> System.loadLibrary(libraryName));
        assertThat(t.getMessage())
                .containsMatch("dlopen failed: .* is not accessible for the namespace");
    }

    private void assertLibraryNotFoundError(String libraryName) {
        Throwable t =
                assertThrows(UnsatisfiedLinkError.class, () -> System.loadLibrary(libraryName));
        assertThat(t.getMessage()).containsMatch("dlopen failed: library .* not found");
    }
}