}

  public void testLexicographicalComparatorChoice() {
    Comparator<byte[]> defaultComparator = UnsignedBytes.lexicographicalComparator();
    assertThat(defaultComparator).isNotNull();
    assertThat(UnsignedBytes.lexicographicalComparator()).isSameInstanceAs(defaultComparator);
    if (unsafeComparatorAvailable()) {
      assertThat(defaultComparator).isInstanceOf(UnsafeComparator.class);
    } else {

    assertThat(response1.body.string()).isEqualTo("ABC")
    assertThat(response1.handshake!!.cipherSuite).isNotNull()

    // Cached!
    val response2 = get(server.url("/"))
    assertThat(response2.body.string()).isEqualTo("ABC")
    assertThat(response2.handshake!!.cipherSuite).isNotNull()

    // 2 direct + 2 redirect = 4
    assertThat(cache.requestCount()).isEqualTo(4)

    Object getResult() {
      if (throwable != null) {
        throw new AssertionError(throwable);
      }
      return result;
    }

    Throwable getThrowable() {
      assertThat(throwable).isNotNull();
      return throwable;
    }
  }

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isNotNull();

    CacheTesting.simulateValueReclamation(cache, key);

    // this blocks if computation can't deal with partially-collected values
    assertThat(cache.getUnchecked(key)).isNotNull();
    assertThat(cache.size()).isEqualTo(1);
    assertThat(countingLoader.getCount()).isEqualTo(2);

    Object key = new Object();
    assertThat(cache.getUnchecked(key)).isNotNull();

    CacheTesting.simulateValueReclamation(cache, key);

    // this blocks if computation can't deal with partially-collected values
    assertThat(cache.getUnchecked(key)).isNotNull();
    assertThat(cache.size()).isEqualTo(1);
    assertThat(countingLoader.getCount()).isEqualTo(2);

  public void testCreateParentDirs_relativePath() throws IOException {
    File file = file("nonexistent.file");
    assertThat(file.getParentFile()).isNull();
    assertThat(file.getCanonicalFile().getParentFile()).isNotNull();
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_noParentsNeeded() throws IOException {
    File file = file(getTempDir(), "nonexistent.file");

  public void testCreateParentDirs_relativePath() throws IOException {
    File file = file("nonexistent.file");
    assertThat(file.getParentFile()).isNull();
    assertThat(file.getCanonicalFile().getParentFile()).isNotNull();
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_noParentsNeeded() throws IOException {
    File file = file(getTempDir(), "nonexistent.file");

import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isIn
import assertk.assertions.isLessThan
import assertk.assertions.isNotEmpty
import assertk.assertions.isNotNull
import assertk.assertions.isNotSameAs
import assertk.assertions.isNull
import assertk.assertions.isTrue
import assertk.assertions.matches
import assertk.assertions.prop
import assertk.assertions.startsWith

    // of our sleep calls can be arbitrarily delayed we should just assert that there is a time
    // recorded.
    assertThat(startupTimes.get(b)).isNotNull();
  }

  public void testServiceStartStop() {
    Service a = new NoOpService();
    Service b = new NoOpService();
    ServiceManager manager = new ServiceManager(asList(a, b));

    } catch (RuntimeException e) {
      actualRuntimeException = e;
    }

    assertEquals(expectedResult, actualResult);
    if (expectedRuntimeException != null) {
      assertThat(actualRuntimeException).isNotNull();
      assertEquals(expectedRuntimeException.getClass(), actualRuntimeException.getClass());
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester