assertNull(exception.getCause());
    }

    @Test
    public void test_exceptionChaining() {
        // Test exception chaining
        Throwable rootCause = new IllegalArgumentException("Invalid argument");
        Throwable intermediateCause = new RuntimeException("Processing failed", rootCause);
        String message = "Plugin operation failed";

    if x_token != "fake-super-secret-token":
        raise HTTPException(status_code=400, detail="X-Token header invalid")


async def verify_key(x_key: str = Header()):
    if x_key != "fake-super-secret-key":
        raise HTTPException(status_code=400, detail="X-Key header invalid")
    return x_key


app = FastAPI(dependencies=[Depends(verify_token), Depends(verify_key)])


@app.get("/items/")

  }

  @Test
  fun unparseableTopPrivateDomain() {
    assertInvalid("http://a../", "Invalid URL host: \"a..\"")
    assertInvalid("http://..a/", "Invalid URL host: \"..a\"")
    assertInvalid("http://a..b/", "Invalid URL host: \"a..b\"")
    assertInvalid("http://.a/", "Invalid URL host: \".a\"")
    assertInvalid("http://../", "Invalid URL host: \"..\"")
  }

  @Test
  fun hostnameTelephone() {

	if result.FieldAllowUpdate != "" || result.FieldReadonly != "" || result.FieldIgnore != "" || result.FieldAllowSave3 != "" {
		t.Fatalf("invalid result: %#v", result)
	}

	if int(result.AutoUnixCreateTime) != int(result.AutoUnixUpdateTime) || result.AutoUnixCreateTime == 0 {
		t.Fatalf("invalid create/update unix time: %#v", result)
	}

                () -> assertTrue(OID_PATTERN.matcher(SpnegoConstants.KERBEROS_MECHANISM).matches(), "Invalid OID: KERBEROS_MECHANISM"),
                () -> assertTrue(OID_PATTERN.matcher(SpnegoConstants.LEGACY_KERBEROS_MECHANISM).matches(),
                        "Invalid OID: LEGACY_KERBEROS_MECHANISM"),

		logger.CriticalIf(context.Background(), Errorf("The seal algorithm '%s' is invalid for SSE-S3", sealedKey.Algorithm))
	}

	// There are two possibilities:
	// - We use a KMS -> There must be non-empty key ID and a KMS data key.
	// - We use a K/V -> There must be no key ID and no KMS data key.
	// Otherwise, the caller has passed an invalid argument combination.
	if keyID == "" && len(kmsKey) != 0 {

	return &s3Error{
		code:       "InvalidDataSource",
		message:    "Invalid data source type. Only CSV, JSON, and Parquet are supported.",
		statusCode: 400,
		cause:      err,
	}
}

func errInvalidRequestParameter(err error) *s3Error {
	return &s3Error{
		code:       "InvalidRequestParameter",
		message:    "The value of a parameter in SelectRequest element is invalid. Check the service API documentation and try again.",
		statusCode: 400,

    }

    @ParameterizedTest(name = "Invalid name=''{0}'' with filter={1} is skipped")
    @MethodSource("invalidNamesAndFilterFlag")
    void invalidNames_areSkipped_andNextValidReturned(String invalidName, boolean useFilter) throws Exception {
        SmbFile parent = newParent();

        FileEntry invalid = entry(invalidName, SmbConstants.TYPE_SHARE);

    response = client.get("/items?token=jessica", headers={"X-Token": "invalid"})
    assert response.status_code == 400
    assert response.json() == {"detail": "X-Token header invalid"}


def test_items_bar_with_invalid_token(client: TestClient):
    response = client.get("/items/bar?token=jessica", headers={"X-Token": "invalid"})
    assert response.status_code == 400

    // One invalid pair.
    assertThat(Strings.commonPrefix("abc\uD8AB\uDCABdef", "abc\uD8AB\uD8ABxyz")).isEqualTo("abc");
    // Two identical invalid pairs.
    assertThat(Strings.commonPrefix("abc\uD8AB\uD8ACdef", "abc\uD8AB\uD8ACxyz"))
        .isEqualTo("abc\uD8AB\uD8AC");
    // Two differing invalid pairs.