/* * Copyright (c) 2000, 2020, 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! -- //
privatestaticvoid 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();
}
privatestaticvoid 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();
}
privatestaticvoid 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();
}
privatestaticvoid bulkGet(CharBuffer b) { int n = b.capacity(); char[] a = newchar[n + 7];
b.get(a, 7, n); for (int i = 0; i < n; i++) {
ck(b, (long)a[i + 7], (long)((char)ic(i)));
}
}
privatestaticvoid absBulkGet(CharBuffer b) { int n = b.capacity(); int len = n - 7*2; char[] a = newchar[n + 7];
b.position(42);
b.get(7, a, 7, len);
ck(b, b.position() == 42); for (int i = 0; i < len; i++) {
ck(b, (long)a[i + 7], (long)((char)ic(i)));
}
}
privatestaticvoid relPut(CharBuffer b) { int n = b.capacity();
b.clear(); for (int i = 0; i < n; i++)
b.put((char)ic(i));
b.flip();
}
privatestaticvoid 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);
}
privatestaticvoid bulkPutArray(CharBuffer b) { int n = b.capacity();
b.clear(); char[] a = newchar[n + 7]; for (int i = 0; i < n; i++)
a[i + 7] = (char)ic(i);
b.put(a, 7, n);
b.flip();
}
privatestaticvoid 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");
}
}
}
privatestaticvoid absBulkPutArray(CharBuffer b) { int n = b.capacity();
b.clear(); int lim = n - 7; int len = lim - 7;
b.limit(lim); char[] a = newchar[len + 7]; for (int i = 0; i < len; i++)
a[i + 7] = (char)ic(i);
b.position(42);
b.put(7, a, 7, len);
ck(b, b.position() == 42);
}
//6231529 privatestaticvoid callReset(CharBuffer b) {
b.position(0);
b.mark();
privatestaticvoid 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();
}
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.
catchIndexOutOfBounds(b, () -> b.get(b.limit()));
catchIndexOutOfBounds(b, () -> b.get(-1));
catchIndexOutOfBounds(b, () -> 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");
}
}
// 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(newchar[] { 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(newchar[] { 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)) {
// put(CharBuffer) should not change source position final CharBuffer src = CharBuffer.allocate(1);
catchReadOnlyBuffer(b, () -> rb.put(src));
ck(src, src.position(), 0);
if (rb.getClass().getName().startsWith("java.nio.Heap")) {
catchReadOnlyBuffer(b, () -> rb.array());
catchReadOnlyBuffer(b, () -> 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
}
privatestaticvoid 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());
catchReadOnlyBuffer(b, () -> 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"));
// absolute bulk get char[] c = newchar[end + 1 - (start - 1) + 1]; // [start - 1, end + 1]
b.limit(end + 2);
b.get(start - 1, c, 0, c.length); for (int i = 0; i < c.length; i++)
ck(b, c[i], s.charAt(start - 1 + i));
// The index, relative to the position, must be non-negative and // smaller than remaining().
catchIndexOutOfBounds(b, () -> b.charAt(-1));
catchIndexOutOfBounds(b, () -> b.charAt(b.remaining())); // The index must be non-negative and less than the buffer's limit.
catchIndexOutOfBounds(b, () -> b.get(b.limit()));
catchIndexOutOfBounds(b, () -> b.get(-1)); // The start must be non-negative and no larger than remaining().
catchIndexOutOfBounds(b, () -> b.subSequence(-1, b.remaining()));
catchIndexOutOfBounds(b, () -> b.subSequence(b.remaining() + 1, b.remaining()));
// The end must be no smaller than start and no larger than // remaining().
catchIndexOutOfBounds(b, () -> b.subSequence(2, 1));
catchIndexOutOfBounds(b, () -> b.subSequence(0, b.remaining() + 1));
// The offset must be non-negative and no larger than <array.length>.
catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, -1, s.length()));
catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, s.length() + 1, s.length()));
catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, 1, 0));
catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, 0, s.length() + 1));
}
publicstaticvoid test(finalchar [] 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 <array.length>.
catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, -1, ba.length));
catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, ba.length + 1, ba.length));
catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, 0, -1));
catchIndexOutOfBounds(ba, () -> 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));
}
privatestaticvoid testAllocate() { // An IllegalArgumentException will be thrown for negative capacities.
catchIllegalArgument((Buffer) null, () -> 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");
}
}
}
publicstaticvoid testToString() { finalint cap = 10;
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.