assertEquals(new BigDecimal("1"), BigDecimalConversionUtil.toBigDecimal(Byte.valueOf((byte) 1)));
        assertEquals(new BigDecimal("10"), BigDecimalConversionUtil.toBigDecimal(Short.valueOf((short) 10)));
        assertEquals(new BigDecimal("100"), BigDecimalConversionUtil.toBigDecimal(Integer.valueOf(100)));

        final String text = "hoge";
        assertNull(MessageDigestUtil.digest("MD5", null));
        assertEquals("ea703e7aa1efda0064eaa507d9e8ab7e", MessageDigestUtil.digest("MD5", text));
        assertEquals("31f30ddbcb1bf8446576f0e64aa4c88a9f055e3c", MessageDigestUtil.digest("SHA-1", text));
        assertEquals("ecb666d778725ec97307044d642bf4d160aabb76f56c0069c71ea25b1e926825", MessageDigestUtil.digest("SHA-256", text));

        try {

    public void testIsExist() throws Exception {
        assertEquals("1", true, ResourceUtil.isExist("CLMessages.properties"));
        assertEquals("2", false, ResourceUtil.isExist("hoge"));
    }

    /**
     * @throws Exception
     */
    public void testGetExtension() throws Exception {
        assertEquals("1", "xml", ResourceUtil.getExtension("aaa/bbb.xml"));
        assertEquals("2", null, ResourceUtil.getExtension("aaa"));
    }

    public void testConvertNumber_byte() throws Exception {
        assertEquals(new Byte("1"), NumberConversionUtil.convertNumber(Byte.class, "1"));
    }

    /**
     * @throws Exception
     */
    public void testConvertNumber_primitiveWrapper() throws Exception {
        assertEquals(new Byte("1"), NumberConversionUtil.convertPrimitiveWrapper(byte.class, "1"));

    /**
     * @throws Exception
     */
    public void testToDouble() throws Exception {
        assertEquals(new Double("1000.5"), DoubleConversionUtil.toDouble("1,000.5"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveDouble() throws Exception {
        assertEquals(1000.5, DoubleConversionUtil.toPrimitiveDouble("1,000.5"), 0);
    }

    /**
     * @throws Exception
     */

    /**
     * @throws Exception
     */
    public void testToInteger() throws Exception {
        assertEquals(new Integer("1000"), IntegerConversionUtil.toInteger("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveInt() throws Exception {
        assertEquals(1000, IntegerConversionUtil.toPrimitiveInt("1,000"));
    }

    /**
     * @throws Exception
     */

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.codelibs.core.beans.converter.DateConverter;

        assertEquals("jar", URLUtil.toCanonicalProtocol("wsjar"));
        assertEquals("jar", URLUtil.toCanonicalProtocol("jar"));
        assertEquals("zip", URLUtil.toCanonicalProtocol("zip"));
        assertEquals("file", URLUtil.toCanonicalProtocol("file"));
    }

    /**
     * @throws Exception
     */
    public void testToFile() throws Exception {

        assertEquals("", StringUtil.substringToLast("abc", "c"));
        assertEquals("c", StringUtil.substringToLast("abc", "b"));
        assertEquals("c", StringUtil.substringToLast("abcbc", "b"));
        assertEquals("abc", StringUtil.substringToLast("abc", ""));
        assertEquals("abc", StringUtil.substringToLast("abc", null));
        assertEquals("abc", StringUtil.substringToLast("abc", "dddd"));

        assertEquals("1", Boolean.TRUE, BooleanConversionUtil.toBoolean(Integer.valueOf(1)));
        assertEquals("2", Boolean.FALSE, BooleanConversionUtil.toBoolean(Integer.valueOf(0)));
        assertEquals("3", Boolean.FALSE, BooleanConversionUtil.toBoolean("0"));
        assertEquals("4", Boolean.TRUE, BooleanConversionUtil.toBoolean("1"));
        assertEquals("5", Boolean.TRUE, BooleanConversionUtil.toBoolean("2"));