assertTrue(Objects.hashCode(1, 2, 3) != Objects.hashCode(2, 3, 1));
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Objects.class);
  }

                                    organization.set("Example Organization")
                                    organizationUrl.set("https://example.org")
                                    roles.set(listOf("tester", "developer"))
                                    timezone.set("Europe/Berlin")
                                    properties.set(mapOf("user" to "baz.qux"))
                                }
                            }

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FakeTicker}.
 *
 * @author Jige Yu
 */
@GwtCompatible(emulated = true)
public class FakeTickerTest extends TestCase {

  @GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(new FakeTicker());
  }

 * <p>
 * See the <a href="https://github.com/gradle/gradle/tree/master/subprojects/predicate-tester">predicate-tester</a> project to learn about where we use the information.
 *
 * @see Requires
 */
@CompileStatic
class RequiresExtension implements IAnnotationDrivenExtension<Requires> {

   * {@code testNulls()} test in the corresponding {@code CTest} class, and {@code C} will be
   * excluded from the automated null tests performed by this method.
   */
  @Test
  public void testNulls() throws Exception {
    for (Class<?> classToTest : findClassesToTest(loadClassesInPackage(), NULL_TEST_METHOD_NAMES)) {
      try {
        tester.doTestNulls(classToTest, visibility);

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(ADAPTER);
  }

   * {@code testNulls()} test in the corresponding {@code CTest} class, and {@code C} will be
   * excluded from the automated null tests performed by this method.
   */
  @Test
  public void testNulls() throws Exception {
    for (Class<?> classToTest : findClassesToTest(loadClassesInPackage(), NULL_TEST_METHOD_NAMES)) {
      try {
        tester.doTestNulls(classToTest, visibility);

		"plugin",
	}

	for _, a := range okgoarch {
		goarch = a
		for _, o := range okgoos {
			if _, ok := cgoEnabled[o+"/"+a]; !ok {
				continue
			}
			goos = o
			for _, mode := range modes {
				var dt tester
				dist := dt.supportedBuildmode(mode)
				std := platform.BuildModeSupported("gc", mode, o, a)
				if dist != std {
					t.Errorf("discrepancy for %s-%s %s: dist says %t, standard library says %t", o, a, mode, dist, std)

@GwtCompatible
@ElementTypesAreNonnullByDefault
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
public class AbstractListTester<E extends @Nullable Object> extends AbstractCollectionTester<E> {
  /*
   * Previously we had a field named list that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of list or collection but not both.
   */

Albeit being the correct solution, this can cause problems where a test is _not running anywhere_ and we don't know anything about it.

For example, a `RunsOnPDP11` precondition, which we won't satisfy anywhere as we don't run tests on such hardware, will always be ignored.