* 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.google.common.collect.testing;

import static java.lang.System.arraycopy;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import java.util.AbstractCollection;
import java.util.Collection;

## 🖼

🙅 🖼, ➡️ 🤔 📁 📊 🎏 1️⃣ 🔬 [🦏 🈸](../tutorial/bigger-applications.md){.internal-link target=_blank} & [🔬](../tutorial/testing.md){.internal-link target=_blank}:

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```

📁 `main.py` 🔜 ✔️:

{* ../../docs_src/async_tests/main.py *}

      - name: Upload Compatibility Report
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: binary-compatibility-report
          path: testing/architecture-test/build/reports/binary-compatibility/report.html

  unit-test:
    name: "${{ matrix.bucket.name }} (Unit Test)"
    permissions:
      contents: read
    runs-on: ubuntu-latest
    needs: build

import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.Cache
import okhttp3.Dns
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.RecordingEventListener
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.ByteString.Companion.decodeHex
import okio.Path.Companion.toPath
import okio.fakefilesystem.FakeFileSystem
import org.junit.jupiter.api.Assertions.fail

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Converter;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.Helpers;
import com.google.common.testing.NullPointerTester;
import com.google.common.testing.SerializableTester;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;

import com.google.common.testing.EqualsTester;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;
import org.junit.After;
import org.junit.Test;

/**
 * Abstract base class for testing undirected {@link Graph} implementations defined in this package.
 */
@NullUnmarked

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.testing.Helpers;
import com.google.common.testing.NullPointerTester;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertNull;
import static junit.framework.Assert.assertSame;

import com.google.common.testing.TearDown;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.TimeoutException;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect.testing.features;

import static com.google.common.collect.testing.Helpers.copyToSet;
import static java.util.Collections.disjoint;
import static java.util.Collections.unmodifiableList;

import com.google.common.annotations.GwtIncompatible;

import org.codelibs.fess.unit.UnitFessTestCase;

public class BaseThumbnailGeneratorTest extends UnitFessTestCase {

    private TestThumbnailGenerator generator;

    // Test concrete implementation for testing abstract BaseThumbnailGenerator
    private static class TestThumbnailGenerator extends BaseThumbnailGenerator {
        private boolean generateCalled = false;
        private boolean destroyCalled = false;