/** Constructor for use by subclasses. */
    public StandardKeySet() {
      super(ForwardingSortedMap.this);
    }
  }

  // unsafe, but worst case is a CCE or NPE is thrown, which callers will be expecting
  @SuppressWarnings({"unchecked", "nullness"})
  static int unsafeCompare(
      @CheckForNull Comparator<?> comparator, @CheckForNull Object o1, @CheckForNull Object o2) {

   * 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.");

import spock.lang.Issue

@TargetCoverage({ TestNGCoverage.SUPPORTED_BY_JDK })
class TestNGSuiteIntegrationTest extends MultiVersionIntegrationSpec {

    /**
     * https://discuss.gradle.org/t/npe-when-accessing-missing-property-in-usetestng-block-2-11-nightly/13226
     * https://discuss.gradle.org/t/calling-suitexmlbuilder-changes-invocation-context-in-usetestng-block-2-11-nightly/13227
     */

    // 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

                            return authInfo;
                        }
                    }
                }
            }
        }

        // empty one to prevent NPE
        return new AuthenticationInfo();
    }

    public ProxyInfo getProxy(String protocol) {
        MavenSession session = legacySupport.getSession();

        if (session != null && protocol != null) {

        assertEquals("real-artifact", project.getArtifactId(), "artifactId is masked.");
        assertEquals("1000", project.getVersion(), "version proto-inheritance failed.");

        // draw the NPE.
        project.getId();
    }

    @Test
    void testEmptyConstructor() {
        MavenProject project = new MavenProject();

        assertEquals(

        //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

        '''

        when:
        run 'a:compileJava'

        then:
        executedAndNotSkipped ':b:compileJava'
        notExecuted ':b:jar'

    }

    def "doesn't throw an NPE when loading results from disk"() {
        file('someDir/a.txt') << 'some text'
        file('settings.gradle') << 'rootProject.name="nullsafe"'
        buildFile << '''
        version = '1.0'