private static final BigDecimal ZERO = new BigDecimal("0");

    /**
     * @throws Exception
     */
    public void testToBigDecimal() throws Exception {
        assertNull(BigDecimalConversionUtil.toBigDecimal(null));
        assertSame(ZERO, BigDecimalConversionUtil.toBigDecimal(ZERO));
        assertEquals(new BigDecimal("1"), BigDecimalConversionUtil.toBigDecimal(Byte.valueOf((byte) 1)));

        final byte[] result = Base64Util.decode("");
        assertNull("Empty string should return null", result);
    }

    /**
     * Test decode with null
     *
     * @throws Exception
     */
    public void testDecode_Null() throws Exception {
        final byte[] result = Base64Util.decode(null);
        assertNull("Null should return null", result);
    }

    /**

        assertEquals("ケンサク", normalizer.normalize("ｹﾝｻｸ", null));
    }

    public void test_nullInput() {
        ICUNormalizer normalizer = new ICUNormalizer("Any-Lower");
        assertNull(normalizer.normalize(null, null));
    }

    public void test_nullTransliteratorId() {
        try {
            new ICUNormalizer(null);
            fail("Expected IllegalArgumentException");

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.verify;

        final String sessionId = "poll_session1";

        // Poll from empty queue should return null
        final OpenSearchUrlQueue result = urlQueueService.poll(sessionId);
        assertNull(result);
    }

    public void test_poll_singleItemTx() {
        final String sessionId = "poll_session2";
        final OpenSearchUrlQueue urlQueue = new OpenSearchUrlQueue();

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.when;

import java.util.Arrays;
import java.util.List;

import org.junit.jupiter.api.AfterEach;

        // When
        Type3Message type3 = new Type3Message(createMockContext(), type2, null, (String) null, null, null, null, 0);

        // Then
        assertNull(type3.getDomain());
        assertNull(type3.getUser());
        assertNull(type3.getWorkstation());
    }

    @Test
    @DisplayName("Should generate session key when requested")
    void testSessionKeyGeneration() throws Exception {

package jcifs.internal.smb1.trans2;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.Arrays;

        Handler.GcsURLConnection conn = (Handler.GcsURLConnection) handler.openConnection(url);

        // Verify GCS Storage client is not initialized before connect() is called
        assertNull(getField(conn, "storage"));
    }

    /**
     * Test that connect() method fails when GCS_PROJECT_ID is not set.
     */
    public void test_connect_failsWithoutProjectId() throws Exception {