Quelle EUCJPUnderflowDecodeTest.java
Sprache: JAVA
/* * Copyright (c) 2008, 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 4867457 @summary Check for correct byte buffer underflow handling in EUC-JP
*/
for (int i = 0 ; i < charsetNames.length; i++) {
Charset cs = Charset.forName(charsetNames[i]);
CharsetDecoder decoder = cs.newDecoder();
bb.clear();
cc.clear();
// Fakes a partial 3 byte EUC_JP (JIS-X-0212 range) // encoded character/byte sequence
bb.put((byte)0x8f);
bb.put((byte)0xa2);
bb.flip(); // Now decode with endOfInput method param set to // indicate to decoder that there is more encoded // data to follow in a subsequent invocation
CoderResult result = decoder.decode(bb, cc, false);
// java.nio.charset.CharsetDecoder spec specifies // that the coder ought to return CoderResult.UNDERFLOW // when insufficient bytes have been supplied to complete // the decoding operation
if (result != CoderResult.UNDERFLOW) { thrownew Exception("test failed - UNDERFLOW not returned");
}
// Repeat the test with the lead byte (minus its pursuing // trail byte) for the EUC-JP 2 byte (JIS208) range
decoder.reset();
bb.clear();
cc.clear();
bb.put((byte)0xa1);
bb.flip();
result = decoder.decode(bb, cc, false); if (result != CoderResult.UNDERFLOW) { thrownew Exception("test failed");
}
// finally ensure that a valid JIS208 range EUC-JP // 2 byte value is correctly decoded when it is presented // at the trailing bounds of a ByteBuffer in the case where // charset decoder expects (endOfInput ==false) more //input to follow
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