mergedManifest.attributes.keySet() as List == ['Manifest-Version', 'key1', 'key2', 'key3', 'key4', 'key5', 'key6']
        mergedManifest.sections.section == baseSectionMap + otherSectionMap + fileSectionMap
        mergedManifest.sections.section.keySet() as List == ['keysec1', 'keysec2', 'keysec3', 'keysec4', 'keysec5', 'keysec6']
    }

    def mergeWithExcludeAction() {

        TestFile manifestFile = tmpDir.file('somefile')
        def fileMap = [Key2: 'value2File', key4: 'value4File', key6: 'value6File']
        def fileSectionMap = [Keysec2: 'value2Secfile', keysec4: 'value5Secfile', keysec6: 'value6Secfile']
        String content = ''
        fileMap.each {key, value ->
            content += String.format("%s: %s%n", key, value)
        }

    CacheTesting.warmUp(cache, 0, 10);
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    // re-order
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // evict 3, 4, 5
    getAll(cache, asList(10, 11, 12));

    CacheTesting.warmUp(cache, 0, 10);
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    // re-order
    getAll(cache, asList(0, 1, 2));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(3, 4, 5, 6, 7, 8, 9, 0, 1, 2);

    // evict 3, 4, 5
    getAll(cache, asList(10, 11, 12));

    for (Entry<K, V> entry : getSampleElements()) {
      assertTrue(multimap().keySet().contains(entry.getKey()));
    }
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testKeySetContainsNullKeyPresent() {
    initMultimapWithNullKey();
    assertTrue(multimap().keySet().contains(null));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)

        1 * listener.onAccess('keyWithNonStringValue', NON_STRING_VALUE)
        0 * listener._
    }

    def "keySet() enumeration is tracked for strings only"() {
        when:
        def result = ImmutableSet.copyOf(getMapUnderTestToRead().keySet())

        then:
        result == innerMap.keySet()
        1 * listener.onAccess(EXISTING_KEY, EXISTING_VALUE)
        1 * listener.onAccess('existing', 'existingStringValue')

    for (Entry<K, V> entry : getSampleElements()) {
      assertTrue(multimap().keySet().contains(entry.getKey()));
    }
  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testKeySetContainsNullKeyPresent() {
    initMultimapWithNullKey();
    assertTrue(multimap().keySet().contains(null));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)

        "entrySet().size()"     | call(m -> m.entrySet().size())
        "entrySet().iterator()" | call(m -> m.entrySet().iterator())
        "keySet().size()"       | call(m -> m.keySet().size())
        "keySet().iterator()"   | call(m -> m.keySet().iterator())
    }

    def "method toString() does not report map contents as inputs"() {
        when:
        getMapUnderTestToRead().toString()

    for (int i = 0; i < 10; i++) {
      cache.getUnchecked(i);
      ticker.advance(1, MILLISECONDS);
    }
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);

    // 0 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(1, 2, 3, 4, 5, 6, 7, 8, 9);

    // reorder
    getAll(cache, asList(0, 1, 2));

        then:
        joined.keySet() == [one] as Set

        when:
        fallback.attributeProvider(two, Providers.of("fallback"))

        then:
        joined.keySet() == [one, two] as Set

        when:
        primary.attribute(two, "primary")

        then:
        joined.keySet() == [one, two] as Set
    }