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guava-testlib/src/com/google/common/collect/testing/testers/SortedMapNavigationTester.java

    assertThrows(NoSuchElementException.class, () -> navigableMap.firstKey());
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMapLast() {
    assertThrows(NoSuchElementException.class, () -> assertNull(navigableMap.lastKey()));
  }

  @CollectionSize.Require(ONE)
  public void testSingletonMapFirst() {
    assertEquals(a.getKey(), navigableMap.firstKey());
  }

  @CollectionSize.Require(ONE)

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Wed Mar 18 18:06:14 GMT 2026

- 6.1K bytes

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github.com/google/guava

android/guava-testlib/src/com/google/common/collect/testing/testers/SortedMapNavigationTester.java

    assertThrows(NoSuchElementException.class, () -> navigableMap.firstKey());
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMapLast() {
    assertThrows(NoSuchElementException.class, () -> assertNull(navigableMap.lastKey()));
  }

  @CollectionSize.Require(ONE)
  public void testSingletonMapFirst() {
    assertEquals(a.getKey(), navigableMap.firstKey());
  }

  @CollectionSize.Require(ONE)

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Wed Mar 18 18:06:14 GMT 2026

- 6.1K bytes

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github.com/google/guava

guava-tests/test/com/google/common/collect/SynchronizedNavigableMapTest.java

    public Comparator<? super K> comparator() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate().comparator();
    }

    @Override
    public K firstKey() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate().firstKey();
    }

    @Override
    public K lastKey() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate().lastKey();
    }

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Fri Mar 13 13:01:07 GMT 2026

- 12.8K bytes

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github.com/google/guava

guava-testlib/src/com/google/common/collect/testing/SafeTreeMap.java

        delegate().clear();
      }
    };
  }

  @Override
  public @Nullable Entry<K, V> firstEntry() {
    return delegate.firstEntry();
  }

  @Override
  public K firstKey() {
    return delegate.firstKey();
  }

  @Override
  public @Nullable Entry<K, V> floorEntry(K key) {
    return delegate.floorEntry(checkValid(key));
  }

  @Override
  public @Nullable K floorKey(K key) {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 7.4K bytes

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github.com/google/guava

guava-tests/test/com/google/common/collect/FilteredSortedMapTest.java

    unfiltered.put("banana", 6);
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 5);

    SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertThat(filtered.firstKey()).isEqualTo("banana");
    assertThat(filtered.lastKey()).isEqualTo("cat");
  }

  public void testHeadSubTailMap_filteredMap() {
    SortedMap<String, Integer> unfiltered = createUnfiltered();

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Thu Mar 12 17:47:10 GMT 2026

- 2.3K bytes

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github.com/google/guava

android/guava-testlib/src/com/google/common/collect/testing/SafeTreeMap.java

        delegate().clear();
      }
    };
  }

  @Override
  public @Nullable Entry<K, V> firstEntry() {
    return delegate.firstEntry();
  }

  @Override
  public K firstKey() {
    return delegate.firstKey();
  }

  @Override
  public @Nullable Entry<K, V> floorEntry(K key) {
    return delegate.floorEntry(checkValid(key));
  }

  @Override
  public @Nullable K floorKey(K key) {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Mon Mar 23 21:06:42 GMT 2026

- 7.4K bytes

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github.com/golang/go

src/cmd/asm/internal/asm/parse.go

			ext := tok.String()
			curArrangement, err := arch.ARM64RegisterArrangement(reg, name, ext)
			if err != nil {
				p.errorf("%v", err)
			}
			if firstReg == -1 {
				// only record the first register and arrangement
				firstReg = int(reg)
				nextReg = firstReg
				arrangement = curArrangement
			} else if curArrangement != arrangement {
				p.errorf("inconsistent arrangement in ARM64 register list")

Created: Tue Apr 07 11:13:11 GMT 2026

- Last Modified: Tue Feb 17 19:57:47 GMT 2026

- 37.3K bytes

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github.com/google/guava

android/guava-tests/test/com/google/common/collect/ForwardingNavigableMapTest.java

      return new StandardNavigableKeySet();
    }

    @Override
    public NavigableSet<K> descendingKeySet() {
      return standardDescendingKeySet();
    }

    @Override
    public K firstKey() {
      return standardFirstKey();
    }

    @Override
    public SortedMap<K, V> headMap(K toKey) {
      return standardHeadMap(toKey);
    }

    @Override
    public K lastKey() {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Tue Dec 16 03:23:31 GMT 2025

- 9.7K bytes

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github.com/google/guava

guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/ImmutableSortedMap.java

  }

  @Override
  public Comparator<? super K> comparator() {
    return comparator;
  }

  @Override
  public @Nullable K firstKey() {
    return sortedDelegate.firstKey();
  }

  @Override
  public @Nullable K lastKey() {
    return sortedDelegate.lastKey();
  }

  @Nullable K higher(K k) {

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Thu Jan 08 18:10:02 GMT 2026

- 16.6K bytes

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github.com/google/guava

guava-tests/test/com/google/common/collect/TreeMultimapNaturalTest.java

    TreeMultimap<String, Integer> multimap = createPopulate();
    SortedMap<String, Collection<Integer>> asMap = multimap.asMap();
    assertEquals(Ordering.natural(), asMap.comparator());
    assertThat(asMap.firstKey()).isEqualTo("foo");
    assertThat(asMap.lastKey()).isEqualTo("tree");
    Set<Integer> fooValues = ImmutableSet.of(1, 3, 7);
    Set<Integer> googleValues = ImmutableSet.of(2, 6);

Created: Fri Apr 03 12:43:13 GMT 2026

- Last Modified: Fri Mar 13 13:01:07 GMT 2026

- 22.5K bytes

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