| /* |
| * Copyright (c) 2005, 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 4997655 7000913 |
| * @summary (bf) CharBuffer.slice() on wrapped CharSequence results in wrong position |
| */ |
| |
| import java.nio.*; |
| |
| public class StringCharBufferSliceTest { |
| public static void main( String[] args) throws Exception { |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing the slice method..."); |
| |
| final String in = "for testing"; |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing with the position 0."); |
| |
| CharBuffer buff = CharBuffer.wrap(in); |
| test(buff, buff.slice()); |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing with new position."); |
| |
| buff.position(2); |
| test(buff, buff.slice()); |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing with non zero initial position."); |
| |
| buff = CharBuffer.wrap(in, 3, in.length()); |
| test(buff, buff.slice()); |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing slice result with get()"); |
| buff.position(4); |
| buff.limit(7); |
| CharBuffer slice = buff.slice(); |
| for (int i = 0; i < 3; i++) { |
| if (slice.get() != buff.get()) { |
| throw new RuntimeException("Wrong characters in slice result."); |
| } |
| } |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing slice result with get(int)"); |
| buff.position(4); |
| buff.limit(7); |
| slice = buff.slice(); |
| for (int i = 0; i < 3; i++) { |
| if (slice.get(i) != buff.get(4 + i)) { |
| throw new RuntimeException("Wrong characters in slice result."); |
| } |
| } |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing slice with result of slice"); |
| buff.position(0); |
| buff.limit(buff.capacity()); |
| slice = buff.slice(); |
| for (int i=0; i<4; i++) { |
| slice.position(i); |
| CharBuffer nextSlice = slice.slice(); |
| if (nextSlice.position() != 0) |
| throw new RuntimeException("New buffer's position should be zero"); |
| if (!nextSlice.equals(slice)) |
| throw new RuntimeException("New buffer should be equal"); |
| slice = nextSlice; |
| } |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing toString."); |
| buff.position(4); |
| buff.limit(7); |
| slice = buff.slice(); |
| if (!slice.toString().equals("tes")) { |
| throw new RuntimeException("bad toString() after slice(): " + slice.toString()); |
| } |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing subSequence."); |
| buff.position(4); |
| buff.limit(8); |
| slice = buff.slice(); |
| CharSequence subSeq = slice.subSequence(1, 3); |
| if (subSeq.charAt(0) != 'e' || subSeq.charAt(1) != 's') { |
| throw new RuntimeException("bad subSequence() after slice(): '" + subSeq + "'"); |
| } |
| |
| System.out.println( |
| ">>> StringCharBufferSliceTest-main: testing duplicate."); |
| buff.position(4); |
| buff.limit(8); |
| slice = buff.slice(); |
| CharBuffer dupe = slice.duplicate(); |
| if (dupe.charAt(0) != 't' || dupe.charAt(1) != 'e' |
| || dupe.charAt(2) != 's' || dupe.charAt(3) != 't') { |
| throw new RuntimeException("bad duplicate() after slice(): '" + dupe + "'"); |
| } |
| |
| System.out.println(">>> StringCharBufferSliceTest-main: done!"); |
| } |
| |
| public static void test(CharBuffer buff, CharBuffer slice) throws RuntimeException { |
| boolean marked = false; |
| |
| try { |
| slice.reset(); |
| |
| marked = true; |
| } catch (InvalidMarkException ime) { |
| // expected |
| } |
| |
| if (marked || |
| slice.position() != 0 || |
| buff.remaining() != slice.limit() || |
| buff.remaining() != slice.capacity()) { |
| |
| throw new RuntimeException( |
| "Calling the CharBuffer.slice method failed."); |
| } |
| } |
| } |