public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTestSuite(ImmutableTypeToInstanceMapTest.class);

    suite.addTest(
        MapTestSuiteBuilder.using(
                new TestTypeToInstanceMapGenerator() {
                  // Other tests will verify what real, warning-free usage looks like
                  // but here we have to do some serious fudging
                  @Override

import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.reflect.ImmutableTypeToInstanceMapTest.TestTypeToInstanceMapGenerator;
import java.util.Map;
import java.util.Map.Entry;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Unit test of {@link MutableTypeToInstanceMap}.