}
        }

        try {
          assertEquals(expected, rangeMap.span());
          assertThat(expected).isNotNull();
        } catch (NoSuchElementException e) {
          assertThat(expected).isNull();
        }
      }
    }
  }

  public void testAllRangesAlone() {
    for (Range<Integer> range : RANGES) {
      Map<Integer, Integer> model = new HashMap<>();
      putModel(model, range, 1);

    if (hung) {
      assertEquals(expectedOutcome, Outcome.HANG);
    } else {
      assertThat(task.get(UNEXPECTED_HANG_DELAY_MILLIS, TimeUnit.MILLISECONDS)).isNull();
    }
  }

  @Override
  protected void tearDown() throws Exception {
    // We don't want to leave stray threads running after each test. At this point, every thread
    // launched by this test is either:

      Object key = entry.getKey();
      Object value = entry.getValue();
      assertThat(result.get(key)).isSameInstanceAs(value);
      assertThat(result.get(value)).isNull();
      assertThat(cache.asMap().get(key)).isSameInstanceAs(value);
      assertThat(cache.asMap().get(value)).isSameInstanceAs(key);
    }
  }

  public void testBulkLoad_clobber() throws ExecutionException {

import assertk.assertions.isCloseTo
import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isGreaterThan
import assertk.assertions.isLessThan
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.EOFException
import java.io.IOException
import java.io.InterruptedIOException
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit

      Object key = entry.getKey();
      Object value = entry.getValue();
      assertThat(result.get(key)).isSameInstanceAs(value);
      assertThat(result.get(value)).isNull();
      assertThat(cache.asMap().get(key)).isSameInstanceAs(value);
      assertThat(cache.asMap().get(value)).isSameInstanceAs(key);
    }
  }

  public void testBulkLoad_clobber() throws ExecutionException {

الاردن

// xn--3e0b707e ("Republic of Korea", Hangul) : KR
한국

// xn--80ao21a ("Kaz", Kazakh) : KZ
қаз

// xn--q7ce6a ("Lao", Lao) : LA
ລາວ

// xn--fzc2c9e2c ("Lanka", Sinhalese-Sinhala) : LK
// https://nic.lk
ලංකා

// xn--xkc2al3hye2a ("Ilangai", Tamil) : LK
// https://nic.lk
இலங்கை

// xn--mgbc0a9azcg ("Morocco/al-Maghrib", Arabic) : MA
المغرب

pkg unicode, var Samaritan *RangeTable
pkg unicode, var Saurashtra *RangeTable
pkg unicode, var Sc *RangeTable
pkg unicode, var Scripts map[string]*RangeTable
pkg unicode, var Shavian *RangeTable
pkg unicode, var Sinhala *RangeTable
pkg unicode, var Sk *RangeTable
pkg unicode, var Sm *RangeTable
pkg unicode, var So *RangeTable
pkg unicode, var Soft_Dotted *RangeTable
pkg unicode, var Space *RangeTable