@Test
public void testCharsetLookup() {
Charset c1 = CharsetUtil.lookup("us-ascii");
Charset c2 = CharsetUtil.lookup("ascii");
Assert.assertEquals(Charsets.US_ASCII, c1);
Assert.assertEquals(Charsets.US_ASCII, c2);
}
@Test
public void verifyNullByteArray() throws Exception {
for (Map.Entry<String, Charset> entry : CharsetUtil.getCharsetMap().entrySet()) {
// test that the byte array wasn't changed
Assert.assertEquals(
"Charset " + entry.getKey() + " impl bad -- did not return null",
"",
CharsetUtil.decode(null, entry.getValue()));
}
}
@Test
public void verifyDecodeDoesNotChangeByteArray() throws Exception {
for (Map.Entry<String, Charset> entry : CharsetUtil.getCharsetMap().entrySet()) {
byte[] bytes = new byte[] {(byte) 0x40, (byte) 0x5F, (byte) 0x24, (byte) 0x78, (byte) 0x02};
byte[] expectedBytes = Arrays.copyOf(bytes, bytes.length);
String str0 = CharsetUtil.decode(bytes, entry.getValue());
// test that the byte array wasn't changed
Assert.assertArrayEquals(
"Charset " + entry.getKey() + " impl bad -- modified byte array parameter",
expectedBytes,
bytes);
}
}
public static final FieldPacket getField(String name, int type) {
FieldPacket packet = new FieldPacket();
packet.charsetIndex = CharsetUtil.getIndex(CODE_PAGE_1252);
packet.name = encode(name, CODE_PAGE_1252);
packet.type = (byte) type;
return packet;
}
static {
String strCharset = System.getProperty("file.encoding");
if (strCharset == null || strCharset.equalsIgnoreCase("MacRoman")) strCharset = "cp1252";
if (strCharset.equalsIgnoreCase("utf-8")) charset = CharsetUtil.UTF8;
else if (strCharset.equalsIgnoreCase("iso-8859-1")) charset = CharsetUtil.ISO88591;
else charset = CharsetUtil.toCharset(strCharset, null);
// Perm Gen
permGenSpaceBean = getPermGenSpaceBean();
// make sure the JVM does not always a new bean
MemoryPoolMXBean tmp = getPermGenSpaceBean();
if (tmp != permGenSpaceBean) permGenSpaceBean = null;
}
public static void setCharset(String charset) {
SystemUtil.charset = CharsetUtil.toCharset(charset);
}
@Test
public void normalize() throws Exception {
String in = null;
// try every charset with simple A-Z, a-z, and 0-9 which should work
// in all charsets
in = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefjhijklmnopqrstuvwxyz01234567890?&@";
for (Map.Entry<String, Charset> entry : CharsetUtil.getCharsetMap().entrySet()) {
Assert.assertEquals(
"Charset " + entry.getKey() + " implementation broken",
in,
CharsetUtil.normalize(in, entry.getValue()));
}
in = "\u20AC"; // euro currency char (only supported in a couple charsets)
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_GSM));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_PACKED_GSM));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_AIRWIDE_GSM));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_VFD2_GSM));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_VFTR_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_ISO_8859_1));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_ISO_8859_15));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_UCS_2));
Assert.assertEquals("\u20AC", CharsetUtil.normalize(in, CharsetUtil.CHARSET_UTF_8));
in = "\u6025"; // arabic char (only supported in a couple charsets)
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_PACKED_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_AIRWIDE_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_VFD2_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_VFTR_GSM));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_ISO_8859_1));
Assert.assertEquals("?", CharsetUtil.normalize(in, CharsetUtil.CHARSET_ISO_8859_15));
Assert.assertEquals("\u6025", CharsetUtil.normalize(in, CharsetUtil.CHARSET_UCS_2));
Assert.assertEquals("\u6025", CharsetUtil.normalize(in, CharsetUtil.CHARSET_UTF_8));
}
@Test
public void encode() throws Exception {
// euro currency symbol
String str0 = "\u20ac";
byte[] bytes = null;
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("1B65"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_PACKED_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("9B32"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UCS_2);
Assert.assertArrayEquals(HexUtil.toByteArray("20AC"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-16BE"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UTF_8);
Assert.assertArrayEquals(HexUtil.toByteArray("E282AC"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-8"), bytes);
// latin-1 doesn't contain the euro symbol - replace with '?'
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertArrayEquals(HexUtil.toByteArray("3F"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-1"), bytes);
// latin-9 does contain the euro symbol
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertArrayEquals(HexUtil.toByteArray("A4"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-15"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertArrayEquals(HexUtil.toByteArray("1B65"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("1B65"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("1B65"), bytes);
// longer string with @ symbol in-between
str0 = "Hello @ World";
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F200020576F726C64"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_PACKED_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("C8329BFD060140D7B79C4D06"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UCS_2);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(
HexUtil.toByteArray("00480065006C006C006F0020004000200057006F0072006C0064"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-16BE"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UTF_8);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F204020576F726C64"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-8"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F204020576F726C64"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-1"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F204020576F726C64"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-15"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F200020576F726C64"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFD2_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F204020576F726C64"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFTR_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("48656C6C6F204020576F726C64"), bytes);
// longer string with @ symbol in-between
str0 = "JoeyBlue";
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_PACKED_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("CA77392F64D7CB"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UCS_2);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("004A006F006500790042006C00750065"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-16BE"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UTF_8);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-8"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-1"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-15"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("4A6F6579426C7565"), bytes);
// longer string with @ symbol in-between
str0 = "{}[]$";
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("1B281B291B3C1B3E02"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_PACKED_GSM);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("1BD426B5E16D7C02"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UCS_2);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("007B007D005B005D0024"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-16BE"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_UTF_8);
// logger.debug(HexUtil.toHexString(bytes));
Assert.assertArrayEquals(HexUtil.toByteArray("7B7D5B5D24"), bytes);
Assert.assertArrayEquals(str0.getBytes("UTF-8"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertArrayEquals(HexUtil.toByteArray("7B7D5B5D24"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-1"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertArrayEquals(HexUtil.toByteArray("7B7D5B5D24"), bytes);
Assert.assertArrayEquals(str0.getBytes("ISO-8859-15"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertArrayEquals(HexUtil.toByteArray("1B281B291B3C1B3E02"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("1B281B291B3C1B3E24"), bytes);
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("1B281B291B3C1B3E24"), bytes);
// chars specifically to vodafone-turkey
// str0 = "$@£¤¥§ÄÅßñΓΔΘΩ€";
str0 = "$@\u00a3\u00a4\u00a5\u00a7\u00c4\u00c5\u00df\u00f1\u0393\u0394\u0398\u03a9\u20ac";
bytes = CharsetUtil.encode(str0, CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertArrayEquals(HexUtil.toByteArray("2440A3A4A5A7C4C5DFF1137F19151B65"), bytes);
}
@Test
public void decode() throws Exception {
// euro currency symbol
String str0 = "\u20ac";
String str1 = null;
str1 = CharsetUtil.decode(HexUtil.toByteArray("1B65"), CharsetUtil.CHARSET_GSM);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("9B32"), CharsetUtil.CHARSET_PACKED_GSM);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("20AC"), CharsetUtil.CHARSET_UCS_2);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("E282AC"), CharsetUtil.CHARSET_UTF_8);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("1B65"), CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertEquals(str0, str1);
// latin-1 doesn't contain the euro symbol - replace with '?'
// str1 = CharsetUtil.decode(HexUtil.toByteArray("3F"), CharsetUtil.CHARSET_ISO_8859_1);
// Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("A4"), CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("1B65"), CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("1B65"), CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertEquals(str0, str1);
// longer string with @ symbol in-between
str0 = "Hello @ World";
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F200020576F726C64"), CharsetUtil.CHARSET_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("C8329BFD060140D7B79C4D06"), CharsetUtil.CHARSET_PACKED_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("00480065006C006C006F0020004000200057006F0072006C0064"),
CharsetUtil.CHARSET_UCS_2);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_UTF_8);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("48656C6C6F204020576F726C64"), CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertEquals(str0, str1);
// longer string with @ symbol in-between
str0 = "JoeyBlue";
str1 = CharsetUtil.decode(HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("CA77392F64D7CB"), CharsetUtil.CHARSET_PACKED_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("004A006F006500790042006C00750065"), CharsetUtil.CHARSET_UCS_2);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_UTF_8);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("4A6F6579426C7565"), CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertEquals(str0, str1);
// longer string with @ symbol in-between
str0 = "{}[]$";
str1 = CharsetUtil.decode(HexUtil.toByteArray("1B281B291B3C1B3E02"), CharsetUtil.CHARSET_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("1BD426B5E16D7C02"), CharsetUtil.CHARSET_PACKED_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("007B007D005B005D0024"), CharsetUtil.CHARSET_UCS_2);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("7B7D5B5D24"), CharsetUtil.CHARSET_UTF_8);
Assert.assertEquals(str0, str1);
// airwide is close to GSM, $ is 0x24 rather than 0x02 though
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("1B281B291B3C1B3E24"), CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("7B7D5B5D24"), CharsetUtil.CHARSET_ISO_8859_1);
Assert.assertEquals(str0, str1);
str1 = CharsetUtil.decode(HexUtil.toByteArray("7B7D5B5D24"), CharsetUtil.CHARSET_ISO_8859_15);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("1B281B291B3C1B3E24"), CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertEquals(str0, str1);
str1 =
CharsetUtil.decode(HexUtil.toByteArray("1B281B291B3C1B3E24"), CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertEquals(str0, str1);
// had problem passing these tests on linux vs. mac os x -- issue with
// byte encoding on differnet platforms, replaced tests with source strings
// that use Java unicode escapes
// helpful URL: http://www.greywyvern.com/code/php/utf8_html
// decode a string with every char in VFD2-GSM
// str0 = "@$ߤ¡Ñܧñü_";
str0 = "@$\u00df\u00a4\u00a1\u00d1\u00dc\u00a7\u00f1\u00fc_";
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("40247E02A15F5D5E1E7D11"), CharsetUtil.CHARSET_VFD2_GSM);
Assert.assertEquals(str0, str1);
// str0 = "@$ß$@ÑÜ_ñü_";
str0 = "@$\u00df$@\u00d1\u00dc_\u00f1\u00fc_";
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("40241E24405D5E5F7D7E5F"), CharsetUtil.CHARSET_AIRWIDE_IA5);
Assert.assertEquals(str0, str1);
// chars specifically to vodafone-turkey
// str0 = "$@£¤¥§ÄÅßñΓΔΘΩ€";
str0 = "$@\u00a3\u00a4\u00a5\u00a7\u00c4\u00c5\u00df\u00f1\u0393\u0394\u0398\u03a9\u20ac";
str1 =
CharsetUtil.decode(
HexUtil.toByteArray("2440A3A4A5A7C4C5DFF1137F19151B65"), CharsetUtil.CHARSET_VFTR_GSM);
Assert.assertEquals(str0, str1);
}
@Test
public void testCharsetLookupFailure() {
Charset c1 = CharsetUtil.lookup("whatever");
Assert.assertNull(c1);
}
@Test
public void testCharsetLookupNullInput() {
Charset c1 = CharsetUtil.lookup(null);
Assert.assertNull(c1);
}
@Test
public void testNonASCII() {
Assert.assertFalse(CharsetUtil.isASCII(SWISS_GERMAN_HELLO));
Assert.assertFalse(CharsetUtil.isASCII(RUSSIAN_HELLO));
}
@Test
public void testAllASCII() {
String s = "Like hello and stuff";
Assert.assertTrue(CharsetUtil.isASCII(s));
}