assertNotNull(queryParseException);
        assertNull(queryParseException.getCause());
        // getMessage() may return null when constructed with null
        // This is expected behavior for exceptions with null cause
    }

    public void test_nestedCause() {
        // Test with nested exceptions
        RuntimeException rootCause = new RuntimeException("Root cause");

        } catch (final NoSuchMethodException e) {
            fail("processWebInfLib method should exist");
        }
    }

    public void test_packageStructure() {
        // Verify the class is in the expected package structure
        final Package pkg = FessWebResourceRoot.class.getPackage();
        assertNotNull("Package should not be null", pkg);

        if (structureSize == 9) {
            return this.readErrorResponse(buffer, bufferIndex);
        }
        if (structureSize != 17) {
            throw new SMBProtocolDecodingException("Expected structureSize = 17");
        }

        final short dataOffset = buffer[bufferIndex + 2];
        bufferIndex += 4;
        this.dataLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

    @DisplayName("toByteArray returns empty when no mechanismToken")
    void toByteArrayWhenNull() {
        TestSpnegoToken t = new TestSpnegoToken();
        assertArrayEquals(new byte[0], t.toByteArray(), "empty array expected when mechanismToken is null");
    }

    @Test
    @DisplayName("toByteArray returns mechanismToken reference when present")
    void toByteArrayReturnsToken() throws IOException {

            keyCopy = Arrays.copyOf(key, key.length);

            // Validate key length matches expected cipher requirements
            if (keyCopy.length != keyLength) {
                throw new IllegalArgumentException("Key length mismatch: expected " + keyLength + ", got " + keyCopy.length);
            }

            // Create cipher with the copy - algorithm is just "AES" for SecretKeySpec

			authT: authTypePostPolicy,
		},
	}

	// .. Tests all request auth type.
	for i, testc := range testCases {
		authT := getRequestAuthType(testc.req)
		if authT != testc.authT {
			t.Errorf("Test %d: Expected %d, got %d", i+1, testc.authT, authT)
		}
	}
}

// Test all s3 supported auth types.
func TestS3SupportedAuthType(t *testing.T) {
	type testCase struct {
		authT authType
		pass  bool
	}

		},
		{
			"?x=y&a=b",
			"?x=y&a=b",
		},
	}
	for i, test := range testCases {
		gotQuery := redactLDAPPwd(test.query)
		if gotQuery != test.expectedQuery {
			t.Fatalf("test %d: expected %s got %s", i+1, test.expectedQuery, gotQuery)
		}
	}

        final int start = bufferIndex;

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Expected structureSize = 9");
        }

        final int bufferOffset = SMBUtil.readInt2(buffer, bufferIndex + 2) + getHeaderStart();
        bufferIndex += 4;
        final int len = SMBUtil.readInt4(buffer, bufferIndex);

        assertThat(foo.isAbstract(), is(not(true)));
        assertThat(foo.invoke(new MyBean()), is((Object) "hoge"));
    }

    /**
     * @throws Exception
     */
    @Test(expected = MethodNotStaticRuntimeException.class)
    public void testFoo_InvokeStatic() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final MethodDesc foo = beanDesc.getMethodDesc("foo");

    //                                                                        ============
    /**
     * Verifies that the CRUD mode matches the expected mode.
     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {