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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/* @test
@summary General tests of String constructors and methods that convert
between character encodings. This should really be in
java/lang/String, but it shares code with the I/O charStream
tests.
*/
import java.io.*;
public class StringConvert {
static String enc = "UTF8";
static int limit = 500;
static int max = 0xffff;
static void fail(String s) {
throw new RuntimeException(s);
}
public static void main(String[] args) throws Exception {
PrintStream log = System.err;
IntGenerator ig = new IntGenerator();
CharGenerator cg;
StringGenerator sg;
String s;
int i = 0;
/* String(byte[] bytes, String enc)
getBytes(String enc)
*/
log.println("-- String(byte[], String), getBytes(String)");
i = 0;
cg = new CharGenerator(ig, 0, max);
sg = new StringGenerator(ig, cg, limit);
while ((s = sg.next()) != null) {
byte[] b = s.getBytes(enc);
String t = new String(b, enc);
if (!s.equals(t)) {
int n = Math.min(s.length(), t.length());
for (int j = 0; j < n; j++) {
if (s.charAt(j) != t.charAt(j)) {
log.println("Mismatch: " + j + " "
+ Integer.toHexString(s.charAt(j))
+ " != "
+ Integer.toHexString(t.charAt(j)));
}
}
fail("Conversion failure");
}
log.println("[" + i + "] " + s.length());
i++;
}
/* String(byte[] bytes)
getBytes()
*/
log.println("-- String(byte[]), getBytes()");
i = 0;
cg = new CharGenerator(ig, 0x20, 0x7e);
sg = new StringGenerator(ig, cg, limit);
while ((s = sg.next()) != null) {
log.println("[" + i + "] \"" + s + "\"");
byte[] b = s.getBytes();
String t = new String(b);
if (! s.equals(t))
fail("Conversion failure");
i++;
}
/* String(byte[] bytes, int offset, int length)
getBytes()
*/
log.println("-- String(byte[], int, int), getBytes()");
i = 0;
cg = new CharGenerator(ig, 0x20, 0x7e);
sg = new StringGenerator(ig, cg, limit);
while ((s = sg.next()) != null) {
log.println("[" + i + "] \"" + s + "\"");
byte[] b = s.getBytes();
int o = ig.next(s.length() - 1);
int n = ig.next(s.length() - o);
String t = new String(b, o, n);
if (! s.substring(o, o + n).equals(t))
fail("Conversion failure");
i++;
}
/* String(byte[] bytes, int offset, int length, String enc)
getBytes(String enc)
*/
log.println("-- String(byte[], int, int, String), getBytes(String)");
i = 0;
cg = new CharGenerator(ig);
sg = new StringGenerator(ig, cg, limit);
while ((s = sg.next()) != null) {
log.println("[" + i + "] " + s.length());
byte[] b = s.getBytes(enc);
int o = ig.next(100);
byte[] b2 = new byte[b.length + o];
System.arraycopy(b, 0, b2, o, b.length);
String t = new String(b2, o, b.length, enc);
if (! s.equals(t))
fail("Conversion failure");
i++;
}
/* Substrings */
log.println("-- Substrings");
i = 0;
cg = new CharGenerator(ig, 0x20, 0x7e);
sg = new StringGenerator(ig, cg, limit);
while ((s = sg.next()) != null) {
log.println("[" + i + "] \"" + s + "\"");
int o = ig.next(s.length() - 1);
int n = ig.next(s.length() - o);
String s2 = s.substring(o, o + n);
byte[] b = s2.getBytes();
String t = new String(b);
if (! s2.equals(t))
fail("Conversion failure");
i++;
}
}
}