96 lines
2.9 KiB
Java
96 lines
2.9 KiB
Java
/*
|
|
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* 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).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/* @test
|
|
* @bug 4821213
|
|
* @summary Unit test for CharsetEncoder.canEncode methods
|
|
*/
|
|
|
|
import java.io.*;
|
|
import java.nio.*;
|
|
import java.nio.charset.*;
|
|
|
|
|
|
public class CanEncode {
|
|
|
|
private static int errors = 0;
|
|
private static PrintStream out = System.err;
|
|
|
|
private static void wrong(CharsetEncoder ce, boolean can, String what) {
|
|
out.println(ce.charset().name()
|
|
+ ": Wrong answer for " + what
|
|
+ ": " + !can);
|
|
errors++;
|
|
}
|
|
|
|
private static void ck(CharsetEncoder ce, char c, boolean can)
|
|
throws Exception
|
|
{
|
|
if (ce.canEncode(c) != can)
|
|
wrong(ce, can,
|
|
("'" + c + "' (0x"
|
|
+ Integer.toHexString(c & 0xffff) + ")"));
|
|
}
|
|
|
|
private static void ck(CharsetEncoder ce, String s, boolean can)
|
|
throws Exception
|
|
{
|
|
if (ce.canEncode(CharBuffer.wrap(s.toCharArray())) != can)
|
|
wrong(ce, can, "array \"" + s + "\"");
|
|
if (ce.canEncode(CharBuffer.wrap(s)) != can)
|
|
wrong(ce, can, "buffer \"" + s + "\"");
|
|
}
|
|
|
|
private static void test(String csn) throws Exception {
|
|
|
|
Charset cs = Charset.forName(csn);
|
|
CharsetEncoder ce = cs.newEncoder();
|
|
|
|
if (cs.name().equals("US-ASCII")) {
|
|
ck(ce, 'x', true);
|
|
ck(ce, '\u00B6', false);
|
|
ck(ce, "x", true);
|
|
ck(ce, "\u00B6", false);
|
|
ck(ce, "xyzzy", true);
|
|
ck(ce, "xy\u00B6", false);
|
|
}
|
|
|
|
// Unpaired surrogates should never be encodable
|
|
ck(ce, '\ud800', false);
|
|
ck(ce, '\ud801', false);
|
|
ck(ce, '\udffe', false);
|
|
ck(ce, '\udfff', false);
|
|
ck(ce, "\ud800", false);
|
|
ck(ce, "\ud801", false);
|
|
ck(ce, "\udffe", false);
|
|
ck(ce, "\udfff", false);
|
|
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
test("US-ASCII");
|
|
test("UTF-8");
|
|
}
|
|
|
|
}
|