// GWT's TreeMap.entrySet().removeAll(null) doesn't throws NPE.
    }
  }

  @Override
  public void testEntrySetRetainAllNullFromEmpty() {
    try {
      super.testEntrySetRetainAllNullFromEmpty();
    } catch (RuntimeException tolerated) {
      // GWT's TreeMap.entrySet().retainAll(null) doesn't throws NPE.
    }
  }

  @Override
  public void testKeySetRemoveAllNullFromEmpty() {

    public void oneArg(String s) {
      // Fail:  missing NPE for s
    }
  }

  public void testFailOneArgDoesntThrowNpe() {
    shouldFail(new FailOneArgDoesntThrowNPE());
  }

  private static class FailOneArgThrowsWrongType extends PassObject {
    @Override
    public void oneArg(String s) {
      doThrow(s); // Fail:  throwing non-NPE exception for null s
    }
  }

    }

    def "Adding zero JVM arguments is a no-op"() {
        expect:
        loadBuildEnvironment { builder -> builder.addJvmArguments() }
    }

    def "Adding null JVM argument throws NPE"() {
        when:
        loadBuildEnvironment { builder -> builder.addJvmArguments(null as String) }

        then:
        thrown(NullPointerException)

        when:

import org.gradle.integtests.fixtures.AbstractIntegrationSpec

class BuildFailureIntegrationTest extends AbstractIntegrationSpec {
    def "still prints errors when exception misbehaves"() {
        // When running in-process, the NPE propagates out of the test fixtures
        executer.requireIsolatedDaemons()
        executer.requireDaemon()

        buildFile << """
class BadException extends Exception {
   String getMessage() {

   * documentation.
   */
  public void add(Runnable runnable, Executor executor) {
    // Fail fast on a null. We throw NPE here because the contract of Executor states that it throws
    // NPE on null listener, so we propagate that contract up into the add method as well.
    checkNotNull(runnable, "Runnable was null.");
    checkNotNull(executor, "Executor was null.");

   * documentation.
   */
  public void add(Runnable runnable, Executor executor) {
    // Fail fast on a null. We throw NPE here because the contract of Executor states that it throws
    // NPE on null listener, so we propagate that contract up into the add method as well.
    checkNotNull(runnable, "Runnable was null.");
    checkNotNull(executor, "Executor was null.");

    // https://android-review.googlesource.com/#/c/271775/
    try {
      source = rawSocket.source().buffer()
      sink = rawSocket.sink().buffer()
    } catch (npe: NullPointerException) {
      if (npe.message == NPE_THROW_WITH_NULL) {
        throw IOException(npe)
      }
    }
  }

  /**
   * Does all the work to build an HTTPS connection over a proxy tunnel. The catch here is that a

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

  }

  @Override
  public boolean contains(@Nullable Object object) {
    try {
      // This set never contains null.  We need to explicitly check here
      // because some comparator might throw NPE (e.g. the natural ordering).
      return object != null && sortedDelegate.contains(object);
    } catch (ClassCastException e) {
      return false;
    }
  }

  @Override

  public void testConstructor() {
    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i = 0; i < SIZE; i++) {
      assertBitEquals(0.0, aa.get(i));
    }
  }

  /** constructor with null array throws NPE */
  public void testConstructor2NPE() {
    double[] a = null;
    assertThrows(NullPointerException.class, () -> new AtomicDoubleArray(a));
  }

  /** constructor with array is of same size and has all elements */