import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.AbstractMapTester;
import com.google.common.collect.testing.features.CollectionSize;

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

    nullWriter.write(test);
    nullWriter.write(test, 2, 10);
    nullWriter.append(null);
    nullWriter.append(null, 0, 4);

    assertThrows(IndexOutOfBoundsException.class, () -> nullWriter.append(null, -1, 4));

    assertThrows(IndexOutOfBoundsException.class, () -> nullWriter.append(null, 0, 5));

    // nothing really to assert?
    assertSame(CharStreams.nullWriter(), CharStreams.nullWriter());

        C unfiltered = createUnfiltered(contents);
        C filtered1 = filter(unfiltered, EVEN);
        C filtered2 = filter(filtered1, PRIME_DIGIT);

        assertThrows(IllegalArgumentException.class, () -> filtered2.add(4));

        assertThrows(IllegalArgumentException.class, () -> filtered2.add(3));

        filtered2.add(2);
      }
    }

    public void testClearFilterFiltered() {

    nullWriter.write(test);
    nullWriter.write(test, 2, 10);
    nullWriter.append(null);
    nullWriter.append(null, 0, 4);

    assertThrows(IndexOutOfBoundsException.class, () -> nullWriter.append(null, -1, 4));

    assertThrows(IndexOutOfBoundsException.class, () -> nullWriter.append(null, 0, 5));

    // nothing really to assert?
    assertSame(CharStreams.nullWriter(), CharStreams.nullWriter());

    assertThrows(IllegalStateException.class, () -> InternetDomainName.from("com").parent());
  }

  public void testChild() {
    InternetDomainName domain = InternetDomainName.from("foo.com");

    assertEquals("www.foo.com", domain.child("www").toString());

    assertThrows(IllegalArgumentException.class, () -> domain.child("www."));
  }

    assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel((1 << 31) - 1));
    assertThrows(
        IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(Integer.MAX_VALUE));
    assertThrows(IllegalStateException.class, () -> MinMaxPriorityQueue.isEvenLevel(1 << 31));
    assertThrows(

        .isTrue();
  }

  public void testEnsureCapacity_fail() {
    assertThrows(IllegalArgumentException.class, () -> Floats.ensureCapacity(ARRAY1, -1, 1));
    assertThrows(IllegalArgumentException.class, () -> Floats.ensureCapacity(ARRAY1, 1, -1));
  }

  @GwtIncompatible // Float.toString returns different value in GWT.

                Doubles.ensureCapacity(ARRAY1, 2, 1)))
        .isTrue();
  }

  public void testEnsureCapacity_fail() {
    assertThrows(IllegalArgumentException.class, () -> Doubles.ensureCapacity(ARRAY1, -1, 1));
    assertThrows(IllegalArgumentException.class, () -> Doubles.ensureCapacity(ARRAY1, 1, -1));
  }

  @GwtIncompatible // Double.toString returns different value in GWT.

        .isTrue();
  }

  public void testEnsureCapacity_fail() {
    assertThrows(IllegalArgumentException.class, () -> Floats.ensureCapacity(ARRAY1, -1, 1));
    assertThrows(IllegalArgumentException.class, () -> Floats.ensureCapacity(ARRAY1, 1, -1));
  }

  @GwtIncompatible // Float.toString returns different value in GWT.