@MethodSource("preferredMechData_nonAnonymous")
    void isPreferredMech_nonAnonymous(ASN1ObjectIdentifier oid, boolean expected) {
        Kerb5Authenticator auth = new Kerb5Authenticator(new Subject());
        assertEquals(expected, auth.isPreferredMech(oid));
    }

    static Object[][] preferredMechData_anonymous() {

        int expected;
        if (errcode == 0) {
            expected = 0;
        } else if ((errcode & 0xC0000000) != 0) {
            // Negative values with 0xC0000000 bits set are returned as-is
            expected = errcode;
        } else {
            // Positive values not in DOS_ERROR_CODES map to NT_STATUS_UNSUCCESSFUL
            expected = NtStatus.NT_STATUS_UNSUCCESSFUL;
        }

    ExecutionError expected = assertThrows(ExecutionError.class, () -> cache.get(new Object()));
    assertThat(expected).hasCauseThat().isSameInstanceAs(e);
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

        Provide a brief summary of the issue in the title above
  - type: textarea
    id: expected-behavior
    attributes:
      label: Expected Behavior
      description: Tell us how it should work
    validations:
      required: true
  - type: textarea
    id: current-behavior
    attributes:

        rangeMap.put(range2, 2);

        Range<Integer> expected;
        if (range1.isEmpty()) {
          if (range2.isEmpty()) {
            expected = null;
          } else {
            expected = range2;
          }
        } else {
          if (range2.isEmpty()) {
            expected = range1;
          } else {
            expected = range1.span(range2);
          }
        }

      throw new AssertionError(
          "expected to throw " + expectedThrowable.getSimpleName() + " but threw " + t, t);
    }
    if (userPassedSupplier) {
      throw new AssertionError(
          "expected to throw "
              + expectedThrowable.getSimpleName()
              + " but returned result: "
              + result);
    } else {
      throw new AssertionError("expected to throw " + expectedThrowable.getSimpleName());

        chain.updateThrowsException = true;
        User user = createTestUser("testuser", "Test User");

        try {
            chain.update(user);
            fail("Expected exception to be thrown");
        } catch (RuntimeException e) {
            assertEquals("Update failed", e.getMessage());
        }

        assertEquals(1, chain.updateCalls.size());
    }

      }
      assertEquivalent(expectedResult, collector.finisher().apply(finalAccum));
    }
  }

  private void assertEquivalent(R expected, R actual) {
    assertTrue(
        "Expected " + expected + " got " + actual + " modulo equivalence " + equivalence,
        equivalence.test(expected, actual));
  }

      return Integer.MIN_VALUE;
    }
    return big.intValue();
  }

  private void assertOperationEquals(int a, int b, String op, int expected, int actual) {
    if (expected != actual) {
      fail("Expected for " + a + " " + op + " " + b + " = " + expected + ", but got " + actual);
    }
  }

  // Depends on the correctness of BigIntegerMath.factorial.
  public void testFactorial() {

import org.junit.jupiter.api.Test;

/**
 * Tests for the {@link ResolverType} enum.
 * This class ensures that the enum constants are defined as expected.
 */
class ResolverTypeTest {

    /**
     * Tests that all expected enum constants exist.
     */
    @Test
    void testEnumConstants() {
        // Verify that each enum constant exists and can be referenced