ExtensionDescriptor ed = builder.build(toStream(xml));

        assertNotNull(ed);
        assertEquals(Arrays.asList("a", "b", "c"), ed.getExportedPackages());
        assertEquals(Arrays.asList("x", "y", "z"), ed.getExportedArtifacts());
    }

      for (RoundingMode mode : asList(FLOOR, DOWN)) {
        int result = BigIntegerMath.log2(x, mode);
        assertThat(ZERO.setBit(result)).isAtMost(x);
        assertThat(ZERO.setBit(result + 1)).isGreaterThan(x);
      }
    }
  }

  public void testLog2Ceiling() {
    for (BigInteger x : POSITIVE_BIGINTEGER_CANDIDATES) {
      for (RoundingMode mode : asList(CEILING, UP)) {

  }

  @GwtIncompatible // DoubleMath.log2(double, RoundingMode)
  public void testRoundLog2Half() {
    // We don't expect perfect rounding accuracy.
    for (int exp : asList(-1022, -50, -1, 0, 1, 2, 3, 4, 100, 1022, 1023)) {
      for (RoundingMode mode : asList(HALF_EVEN, HALF_UP, HALF_DOWN)) {
        double x = Math.scalb(Math.sqrt(2) + 0.001, exp);
        double y = Math.scalb(Math.sqrt(2) - 0.001, exp);

              protected List<String> create(String[] elements) {
                // For this test we trust ArrayList works
                List<String> list = new ArrayList<>();
                Collections.addAll(list, elements);
                return new AbstractSequentialList<String>() {
                  @Override
                  public int size() {
                    return list.size();
                  }

import static java.lang.reflect.Modifier.isStatic;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;

              protected List<String> create(String[] elements) {
                // For this test we trust ArrayList works
                List<String> list = new ArrayList<>();
                Collections.addAll(list, elements);
                return new AbstractSequentialList<String>() {
                  @Override
                  public int size() {
                    return list.size();
                  }

import static java.lang.reflect.Modifier.isStatic;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertThrows;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;

 */

package com.google.common.collect;

import static com.google.common.collect.Multimaps.filterKeys;
import static com.google.common.collect.Multimaps.filterValues;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Predicate;
import java.util.Map.Entry;
import java.util.Objects;
import junit.framework.TestCase;

  static final List<? extends Class<? extends AbstractTester>> TESTERS =
      asList(
          ConcurrentMapPutIfAbsentTester.class,
          ConcurrentMapRemoveTester.class,
          ConcurrentMapReplaceTester.class,
          ConcurrentMapReplaceEntryTester.class);

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {

  static final List<? extends Class<? extends AbstractTester>> TESTERS =
      asList(
          ConcurrentMapPutIfAbsentTester.class,
          ConcurrentMapRemoveTester.class,
          ConcurrentMapReplaceTester.class,
          ConcurrentMapReplaceEntryTester.class);

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {