'regular module caching'                           | false    | false       | false   | TestSupplier
        'regular module caching (--refresh-dependencies)'  | false    | true        | false   | TestSupplier
        'changing module caching'                          | true     | false       | false   | TestSupplier

      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ true);

  // We can include the non-BMP fix here because Hashing.goodFastHash stresses that the hash is a
  // temporary-use one. Therefore it shouldn't be persisted.
  static final HashFunction GOOD_FAST_HASH_32 =
      new Murmur3_32HashFunction(Hashing.GOOD_FAST_HASH_SEED, /* supplementaryPlaneFix= */ true);

  private static final int CHUNK_SIZE = 4;

		// new memo for this hasher as type identity may be affected by this
		// masking. For example, in func[T any](*T), the identity of *T depends on
		// whether we are mapping the argument in isolation, or recursively as part
		// of hashing the signature.
		//
		// We should never encounter a generic signature while hashing another
		// generic signature, but defensively set sigTParams only if h.mask is
		// unset.

  }

  public void testHashCode_equalsAndSerializable() throws Exception {
    sanityTester().testEqualsAndSerializable();
  }

  public void testRoundTripHashCodeUsingBaseEncoding() {
    HashCode hash1 = Hashing.sha1().hashString("foo", Charsets.US_ASCII);
    HashCode hash2 = HashCode.fromBytes(BaseEncoding.base16().lowerCase().decode(hash1.toString()));
    assertEquals(hash1, hash2);
  }

  public void testObjectHashCode() {

      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ true);

  // We can include the non-BMP fix here because Hashing.goodFastHash stresses that the hash is a
  // temporary-use one. Therefore it shouldn't be persisted.
  static final HashFunction GOOD_FAST_HASH_32 =
      new Murmur3_32HashFunction(Hashing.GOOD_FAST_HASH_SEED, /* supplementaryPlaneFix= */ true);

  private static final int CHUNK_SIZE = 4;

    String init = "d41d8cd98f00b204e9800998ecf8427e";
    assertEquals(init, Hashing.md5().newHasher().hash().toString());

    String asciiHash = "e5df5a39f2b8cb71b24e1d8038f93131";
    assertEquals(asciiHash, Files.hash(asciiFile, Hashing.md5()).toString());

    String i18nHash = "7fa826962ce2079c8334cd4ebf33aea4";
    assertEquals(i18nHash, Files.hash(i18nFile, Hashing.md5()).toString());
  }

  public void testMap() throws IOException {

import org.gradle.api.internal.file.temp.TemporaryFileProvider;
import org.gradle.cache.internal.ProducerGuard;
import org.gradle.internal.hash.ChecksumService;
import org.gradle.internal.hash.HashCode;
import org.gradle.internal.hash.Hashing;
import org.gradle.internal.resource.ExternalResource;
import org.gradle.internal.resource.ExternalResourceName;
import org.gradle.internal.resource.ExternalResourceReadResult;

     * of non-null entries.
     */
    @SuppressWarnings("nullness")
    Entry<K, V>[] entries =
        (n == entryArray.length) ? (Entry<K, V>[]) entryArray : createEntryArray(n);
    int tableSize = Hashing.closedTableSize(n, MAX_LOAD_FACTOR);
    @Nullable ImmutableMapEntry<K, V>[] table = createEntryArray(tableSize);
    int mask = tableSize - 1;

import org.gradle.internal.classpath.types.InstrumentationTypeRegistry;
import org.gradle.internal.file.FileType;
import org.gradle.internal.hash.Hasher;
import org.gradle.internal.hash.Hashing;
import org.gradle.internal.lazy.Lazy;
import org.gradle.internal.snapshot.FileSystemLocationSnapshot;

import javax.annotation.Nullable;
import javax.inject.Inject;
import java.io.File;
import java.util.Map;

import org.gradle.integtests.fixtures.ToBeFixedForConfigurationCache
import org.gradle.integtests.fixtures.cache.FileAccessTimeJournalFixture
import org.gradle.integtests.fixtures.executer.ExecutionResult
import org.gradle.internal.hash.Hashing
import org.gradle.test.fixtures.file.TestFile

import java.util.concurrent.TimeUnit