/* * Copyright (c) 2000, 2016, 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. */ /* Type-specific source code for unit test * * Regenerate the BasicX classes via genBasic.sh whenever this file changes. * We check in the generated source files so that the test tree can be used * independently of the rest of the source tree. */ // -- This file was mechanically generated: Do not edit! -- // import java.nio.*; public class BasicChar extends Basic { private static final char[] VALUES = { Character.MIN_VALUE, (char) -1, (char) 0, (char) 1, Character.MAX_VALUE, }; private static void relGet(CharBuffer b) { int n = b.capacity(); for (int i = 0; i < n; i++) { ck(b, (long)b.get(), (long)((char)ic(i))); } b.rewind(); } private static void relGet(CharBuffer b, int start) { int n = b.remaining(); for (int i = start; i < n; i++) { ck(b, (long)b.get(), (long)((char)ic(i))); } b.rewind(); } private static void absGet(CharBuffer b) { int n = b.capacity(); for (int i = 0; i < n; i++) { ck(b, (long)b.get(), (long)((char)ic(i))); } b.rewind(); } private static void bulkGet(CharBuffer b) { int n = b.capacity(); char[] a = new char[n + 7]; b.get(a, 7, n); for (int i = 0; i < n; i++) { ck(b, (long)a[i + 7], (long)((char)ic(i))); } } private static void relPut(CharBuffer b) { int n = b.capacity(); b.clear(); for (int i = 0; i < n; i++) { b.put((char)ic(i)); } b.flip(); } private static void absPut(CharBuffer b) { int n = b.capacity(); b.clear(); for (int i = 0; i < n; i++) { b.put(i, (char)ic(i)); } b.limit(n); b.position(0); } private static void bulkPutArray(CharBuffer b) { int n = b.capacity(); b.clear(); char[] a = new char[n + 7]; for (int i = 0; i < n; i++) { a[i + 7] = (char)ic(i); } b.put(a, 7, n); b.flip(); } private static void bulkPutBuffer(CharBuffer b) { int n = b.capacity(); b.clear(); CharBuffer c = CharBuffer.allocate(n + 7); c.position(7); for (int i = 0; i < n; i++) { c.put((char)ic(i)); } c.flip(); c.position(7); b.put(c); b.flip(); try { b.put(b); fail("IllegalArgumentException expected for put into same buffer"); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected from" + " put into same buffer"); } } } //6231529 private static void callReset(CharBuffer b) { b.position(0); b.mark(); b.duplicate().reset(); b.asReadOnlyBuffer().reset(); } // 6221101-6234263 private static void putBuffer() { final int cap = 10; CharBuffer direct1 = ByteBuffer.allocateDirect(cap).asCharBuffer(); CharBuffer nondirect1 = ByteBuffer.allocate(cap).asCharBuffer(); direct1.put(nondirect1); CharBuffer direct2 = ByteBuffer.allocateDirect(cap).asCharBuffer(); CharBuffer nondirect2 = ByteBuffer.allocate(cap).asCharBuffer(); nondirect2.put(direct2); CharBuffer direct3 = ByteBuffer.allocateDirect(cap).asCharBuffer(); CharBuffer direct4 = ByteBuffer.allocateDirect(cap).asCharBuffer(); direct3.put(direct4); CharBuffer nondirect3 = ByteBuffer.allocate(cap).asCharBuffer(); CharBuffer nondirect4 = ByteBuffer.allocate(cap).asCharBuffer(); nondirect3.put(nondirect4); } private static void bulkPutString(CharBuffer b) { int n = b.capacity(); b.clear(); StringBuilder sb = new StringBuilder(n + 7); sb.append("1234567"); for (int i = 0; i < n; i++) { sb.append((char)ic(i)); } b.put(sb.toString(), 7, 7 + n); b.flip(); } private static void checkSlice(CharBuffer b, CharBuffer slice) { ck(slice, 0, slice.position()); ck(slice, b.remaining(), slice.limit()); ck(slice, b.remaining(), slice.capacity()); if (b.isDirect() != slice.isDirect()) { fail("Lost direction", slice); } if (b.isReadOnly() != slice.isReadOnly()) { fail("Lost read-only", slice); } } private static void fail(String problem, CharBuffer xb, CharBuffer yb, char x, char y) { fail(problem + String.format(": x=%s y=%s", x, y), xb, yb); } private static void tryCatch(Buffer b, Class ex, Runnable thunk) { boolean caught = false; try { thunk.run(); } catch (Throwable x) { if (ex.isAssignableFrom(x.getClass())) { caught = true; } else { fail(x.getMessage() + " not expected"); } } if (!caught) { fail(ex.getName() + " not thrown", b); } } private static void tryCatch(char [] t, Class ex, Runnable thunk) { tryCatch(CharBuffer.wrap(t), ex, thunk); } public static void test(int level, final CharBuffer b, boolean direct) { show(level, b); if (direct != b.isDirect()) { fail("Wrong direction", b); } // Gets and puts relPut(b); relGet(b); absGet(b); bulkGet(b); absPut(b); relGet(b); absGet(b); bulkGet(b); bulkPutArray(b); relGet(b); bulkPutBuffer(b); relGet(b); bulkPutString(b); relGet(b); b.position(1); b.limit(7); ck(b, b.toString().equals("bcdefg")); // CharSequence ops b.position(2); ck(b, b.charAt(1), 'd'); CharBuffer c = b.subSequence(1, 4); ck(c, c.capacity(), b.capacity()); ck(c, c.position(), b.position()+1); ck(c, c.limit(), b.position()+4); ck(c, b.subSequence(1, 4).toString().equals("def")); // 4938424 b.position(4); ck(b, b.charAt(1), 'f'); ck(b, b.subSequence(1, 3).toString().equals("fg")); // String ops // 7190219 b.clear(); int pos = b.position(); tryCatch(b, BufferOverflowException.class, () -> b.put(String.valueOf(new char[b.capacity() + 1]), 0, b.capacity() + 1) ); ck(b, b.position(), pos); relGet(b); // Compact relPut(b); b.position(13); b.compact(); b.flip(); relGet(b, 13); // Exceptions relPut(b); b.limit(b.capacity() / 2); b.position(b.limit()); tryCatch(b, BufferUnderflowException.class, () -> b.get()); tryCatch(b, BufferOverflowException.class, () -> b.put((char)42)); // The index must be non-negative and less than the buffer's limit. tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(b.limit())); tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(-1)); tryCatch(b, IndexOutOfBoundsException.class, () -> b.put(b.limit(), (char)42)); tryCatch(b, InvalidMarkException.class, () -> b.position(0).mark().compact().reset()); try { b.position(b.limit() + 1); fail("IllegalArgumentException expected for position beyond limit"); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected for" + " position beyond limit"); } } try { b.position(-1); fail("IllegalArgumentException expected for negative position"); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected for" + " negative position"); } } try { b.limit(b.capacity() + 1); fail("IllegalArgumentException expected for limit beyond capacity"); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected for" + " limit beyond capacity"); } } try { b.limit(-1); fail("IllegalArgumentException expected for negative limit"); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected for" + " negative limit"); } } // Values b.clear(); b.put((char)0); b.put((char)-1); b.put((char)1); b.put(Character.MAX_VALUE); b.put(Character.MIN_VALUE); b.flip(); ck(b, b.get(), 0); ck(b, b.get(), (char)-1); ck(b, b.get(), 1); ck(b, b.get(), Character.MAX_VALUE); ck(b, b.get(), Character.MIN_VALUE); // Comparison b.rewind(); CharBuffer b2 = CharBuffer.allocate(b.capacity()); b2.put(b); b2.flip(); b.position(2); b2.position(2); if (!b.equals(b2)) { for (int i = 2; i < b.limit(); i++) { char x = b.get(i); char y = b2.get(i); if (x != y ) { out.println("[" + i + "] " + x + " != " + y); } } fail("Identical buffers not equal", b, b2); } if (b.compareTo(b2) != 0) { fail("Comparison to identical buffer != 0", b, b2); } b.limit(b.limit() + 1); b.position(b.limit() - 1); b.put((char)99); b.rewind(); b2.rewind(); if (b.equals(b2)) { fail("Non-identical buffers equal", b, b2); } if (b.compareTo(b2) <= 0) { fail("Comparison to shorter buffer <= 0", b, b2); } b.limit(b.limit() - 1); b.put(2, (char)42); if (b.equals(b2)) { fail("Non-identical buffers equal", b, b2); } if (b.compareTo(b2) <= 0) { fail("Comparison to lesser buffer <= 0", b, b2); } // Check equals and compareTo with interesting values for (char x : VALUES) { CharBuffer xb = CharBuffer.wrap(new char[] { x }); if (xb.compareTo(xb) != 0) { fail("compareTo not reflexive", xb, xb, x, x); } if (!xb.equals(xb)) { fail("equals not reflexive", xb, xb, x, x); } for (char y : VALUES) { CharBuffer yb = CharBuffer.wrap(new char[] { y }); if (xb.compareTo(yb) != - yb.compareTo(xb)) { fail("compareTo not anti-symmetric", xb, yb, x, y); } if ((xb.compareTo(yb) == 0) != xb.equals(yb)) { fail("compareTo inconsistent with equals", xb, yb, x, y); } if (xb.compareTo(yb) != Character.compare(x, y)) { fail("Incorrect results for CharBuffer.compareTo", xb, yb, x, y); } if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) { fail("Incorrect results for CharBuffer.equals", xb, yb, x, y); } } } // Sub, dup relPut(b); relGet(b.duplicate()); b.position(13); relGet(b.duplicate(), 13); relGet(b.duplicate().slice(), 13); relGet(b.slice(), 13); relGet(b.slice().duplicate(), 13); // Slice b.position(5); CharBuffer sb = b.slice(); checkSlice(b, sb); b.position(0); CharBuffer sb2 = sb.slice(); checkSlice(sb, sb2); if (!sb.equals(sb2)) { fail("Sliced slices do not match", sb, sb2); } if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) { fail("Array offsets do not match: " + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2); } // Read-only views b.rewind(); final CharBuffer rb = b.asReadOnlyBuffer(); if (!b.equals(rb)) { fail("Buffer not equal to read-only view", b, rb); } show(level + 1, rb); tryCatch(b, ReadOnlyBufferException.class, () -> relPut(rb)); tryCatch(b, ReadOnlyBufferException.class, () -> absPut(rb)); tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutArray(rb)); tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutBuffer(rb)); // put(CharBuffer) should not change source position final CharBuffer src = CharBuffer.allocate(1); tryCatch(b, ReadOnlyBufferException.class, () -> rb.put(src)); ck(src, src.position(), 0); tryCatch(b, ReadOnlyBufferException.class, () -> rb.compact()); // 7199551 tryCatch(b, ReadOnlyBufferException.class, new Runnable() { public void run() { String s = new String(new char[rb.remaining() + 1]); rb.put(s); }}); tryCatch(b, ReadOnlyBufferException.class, new Runnable() { public void run() { String s = new String(new char[rb.remaining() + 1]); rb.append(s); }}); if (rb.getClass().getName().startsWith("java.nio.Heap")) { tryCatch(b, ReadOnlyBufferException.class, () -> rb.array()); tryCatch(b, ReadOnlyBufferException.class, () -> rb.arrayOffset()); if (rb.hasArray()) { fail("Read-only heap buffer's backing array is accessible", rb); } } // Bulk puts from read-only buffers b.clear(); rb.rewind(); b.put(rb); relPut(b); // Required by testViews } private static void testStr() { final String s = "abcdefghijklm"; int start = 3; int end = 9; final CharBuffer b = CharBuffer.wrap(s, start, end); show(0, b); ck(b, b.toString().equals(s.substring(start, end))); ck(b, b.toString().equals("defghi")); ck(b, b.isReadOnly()); tryCatch(b, ReadOnlyBufferException.class, new Runnable() { public void run() { b.put('x'); }}); ck(b, start, b.position()); ck(b, end, b.limit()); ck(b, s.length(), b.capacity()); b.position(6); ck(b, b.subSequence(0,3).toString().equals("ghi")); // The index, relative to the position, must be non-negative and // smaller than remaining(). tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.charAt(-1); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.charAt(b.remaining()); }}); // The index must be non-negative and less than the buffer's limit. tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.get(b.limit()); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.get(-1); }}); // The start must be non-negative and no larger than remaining(). tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.subSequence(-1, b.remaining()); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.subSequence(b.remaining() + 1, b.remaining()); }}); // The end must be no smaller than start and no larger than // remaining(). tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.subSequence(2, 1); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { b.subSequence(0, b.remaining() + 1); }}); // The offset must be non-negative and no larger than . tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { CharBuffer.wrap(s, -1, s.length()); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { CharBuffer.wrap(s, s.length() + 1, s.length()); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { CharBuffer.wrap(s, 1, 0); }}); tryCatch(b, IndexOutOfBoundsException.class, new Runnable() { public void run() { CharBuffer.wrap(s, 0, s.length() + 1); }}); } public static void test(final char [] ba) { int offset = 47; int length = 900; final CharBuffer b = CharBuffer.wrap(ba, offset, length); show(0, b); ck(b, b.capacity(), ba.length); ck(b, b.position(), offset); ck(b, b.limit(), offset + length); // The offset must be non-negative and no larger than . tryCatch(ba, IndexOutOfBoundsException.class, () -> CharBuffer.wrap(ba, -1, ba.length)); tryCatch(ba, IndexOutOfBoundsException.class, () -> CharBuffer.wrap(ba, ba.length + 1, ba.length)); tryCatch(ba, IndexOutOfBoundsException.class, () -> CharBuffer.wrap(ba, 0, -1)); tryCatch(ba, IndexOutOfBoundsException.class, () -> CharBuffer.wrap(ba, 0, ba.length + 1)); // A NullPointerException will be thrown if the array is null. tryCatch(ba, NullPointerException.class, () -> CharBuffer.wrap((char []) null, 0, 5)); tryCatch(ba, NullPointerException.class, () -> CharBuffer.wrap((char []) null)); } private static void testAllocate() { // An IllegalArgumentException will be thrown for negative capacities. tryCatch((Buffer) null, IllegalArgumentException.class, () -> CharBuffer.allocate(-1)); try { CharBuffer.allocate(-1); } catch (IllegalArgumentException e) { if (e.getMessage() == null) { fail("Non-null IllegalArgumentException message expected for" + " attempt to allocate negative capacity buffer"); } } } public static void test() { testAllocate(); test(0, CharBuffer.allocate(7 * 1024), false); test(0, CharBuffer.wrap(new char[7 * 1024], 0, 7 * 1024), false); test(new char[1024]); testStr(); callReset(CharBuffer.allocate(10)); putBuffer(); } }