long result = 0;
    // Due to the way we shift, we can stop iterating once we've run out of data, the rest
    // of the result already being filled with zeros.

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = Math.min(length, 8);
    for (int i = 0; i < limit; i++) {
      // Shift value left while iterating logically through the array.

    for (E element : collection) { // uses iterator()
      iteratorElements.add(element);
    }
    List<E> expected = Helpers.copyToList(getOrderedElements());
    assertEquals("Different ordered iteration", expected, iteratorElements);
  }

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testIterator_nullElement() {
    initCollectionWithNullElement();

    long result = 0;
    // Due to the way we shift, we can stop iterating once we've run out of data, the rest
    // of the result already being filled with zeros.

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = Math.min(length, 8);
    for (int i = 0; i < limit; i++) {
      // Shift value left while iterating logically through the array.

        toolingApi.requireIsolatedDaemons()
    }

    def iteration = 0

    def "does not retry if NPE is thrown in daemon registry in >=1.8"() {
        given:
        iteration++

        when:
        throwWhen(new GradleConnectionException("Test Exception", new NullPointerException()), iteration == 1)

        then:
        GradleConnectionException gce = thrown()

        //these meta tests mess with the daemon log: do not interfere with other tests when running in parallel
        requireIsolatedTestKitDir = true
    }

    def iteration = 0

    def "retries on clock shift issue for <2.10"() {
        given:
        iteration++
        def isVersionWithIssue = gradleVersion < GradleVersion.version('2.10')

        when:
        throwWhen(new GradleConnectionException("Test Exception",

        then:
        daemon.assertIdle()

        expect:
        long endOfDaemonLog = daemon.logLineCount
        numberOfRuns.times { iteration ->
            // when:
            println("Running iteration ${iteration + 1}")
            changeSourceFiles(iteration, numberOfChangesBetweenBuilds)
            waitForChangesToBePickedUp()
            succeeds("assemble")

            // then:

// or to create an empty directory.
//
// File system operations read directly from the map,
// so that the file system can be changed by editing the map as needed.
// An implication is that file system operations must not run concurrently
// with changes to the map, which would be a race.
// Another implication is that opening or reading a directory requires
// iterating over the entire map, so a MapFS should typically be used with not more

@TargetVersions(["1.9", "1.10"])
class CrossVersionRetryTest extends CrossVersionIntegrationSpec {

    def iteration = 0

    def "retry for metadata directory creation issue in Gradle 1.9 or 1.10"() {
        given:
        iteration++

        when:

    private final BuildOperationTree operations

    BuildOperationTreeFixture(BuildOperationTree operations) {
        this.operations = operations
    }

    @Override
    List<BuildOperationRecord> getRoots() {
        operations.roots
    }

    @Override
    @SuppressWarnings("GrUnnecessaryPublicModifier")

import org.gradle.caching.internal.operations.BuildCacheArchivePackBuildOperationType
import org.gradle.caching.internal.operations.BuildCacheArchiveUnpackBuildOperationType
import org.gradle.caching.internal.operations.BuildCacheLocalLoadBuildOperationType
import org.gradle.caching.internal.operations.BuildCacheLocalStoreBuildOperationType
import org.gradle.caching.internal.operations.BuildCacheRemoteStoreBuildOperationType