1001 lines
17 KiB
Java
1001 lines
17 KiB
Java
/*
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* Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* Type-specific source code for unit test
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*
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* Regenerate the BasicX classes via genBasic.sh whenever this file changes.
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* We check in the generated source files so that the test tree can be used
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* independently of the rest of the source tree.
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*/
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// -- This file was mechanically generated: Do not edit! -- //
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import java.nio.*;
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public class BasicFloat
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extends Basic
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{
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private static final float[] VALUES = {
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Float.MIN_VALUE,
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(float) -1,
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(float) 0,
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(float) 1,
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Float.MAX_VALUE,
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Float.NEGATIVE_INFINITY,
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Float.POSITIVE_INFINITY,
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Float.NaN,
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(float) -0.0,
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};
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private static void relGet(FloatBuffer b) {
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int n = b.capacity();
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for (int i = 0; i < n; i++)
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ck(b, (long)b.get(), (long)((float)ic(i)));
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b.rewind();
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}
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private static void relGet(FloatBuffer b, int start) {
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int n = b.remaining();
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for (int i = start; i < n; i++)
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ck(b, (long)b.get(), (long)((float)ic(i)));
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b.rewind();
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}
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private static void absGet(FloatBuffer b) {
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int n = b.capacity();
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for (int i = 0; i < n; i++)
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ck(b, (long)b.get(), (long)((float)ic(i)));
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b.rewind();
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}
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private static void bulkGet(FloatBuffer b) {
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int n = b.capacity();
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float[] a = new float[n + 7];
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b.get(a, 7, n);
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for (int i = 0; i < n; i++) {
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ck(b, (long)a[i + 7], (long)((float)ic(i)));
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}
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}
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private static void relPut(FloatBuffer b) {
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int n = b.capacity();
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b.clear();
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for (int i = 0; i < n; i++)
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b.put((float)ic(i));
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b.flip();
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}
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private static void absPut(FloatBuffer b) {
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int n = b.capacity();
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b.clear();
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for (int i = 0; i < n; i++)
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b.put(i, (float)ic(i));
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b.limit(n);
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b.position(0);
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}
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private static void bulkPutArray(FloatBuffer b) {
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int n = b.capacity();
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b.clear();
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float[] a = new float[n + 7];
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for (int i = 0; i < n; i++)
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a[i + 7] = (float)ic(i);
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b.put(a, 7, n);
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b.flip();
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}
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private static void bulkPutBuffer(FloatBuffer b) {
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int n = b.capacity();
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b.clear();
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FloatBuffer c = FloatBuffer.allocate(n + 7);
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c.position(7);
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for (int i = 0; i < n; i++)
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c.put((float)ic(i));
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c.flip();
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c.position(7);
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b.put(c);
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b.flip();
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try {
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b.put(b);
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fail("IllegalArgumentException expected for put into same buffer");
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} catch (IllegalArgumentException e) {
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if (e.getMessage() == null) {
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fail("Non-null IllegalArgumentException message expected from"
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+ " put into same buffer");
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}
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}
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}
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//6231529
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private static void callReset(FloatBuffer b) {
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b.position(0);
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b.mark();
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b.duplicate().reset();
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b.asReadOnlyBuffer().reset();
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}
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// 6221101-6234263
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private static void putBuffer() {
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final int cap = 10;
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FloatBuffer direct1 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
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FloatBuffer nondirect1 = ByteBuffer.allocate(cap).asFloatBuffer();
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direct1.put(nondirect1);
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FloatBuffer direct2 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
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FloatBuffer nondirect2 = ByteBuffer.allocate(cap).asFloatBuffer();
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nondirect2.put(direct2);
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FloatBuffer direct3 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
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FloatBuffer direct4 = ByteBuffer.allocateDirect(cap).asFloatBuffer();
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direct3.put(direct4);
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FloatBuffer nondirect3 = ByteBuffer.allocate(cap).asFloatBuffer();
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FloatBuffer nondirect4 = ByteBuffer.allocate(cap).asFloatBuffer();
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nondirect3.put(nondirect4);
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}
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private static void checkSlice(FloatBuffer b, FloatBuffer slice) {
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ck(slice, 0, slice.position());
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ck(slice, b.remaining(), slice.limit());
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ck(slice, b.remaining(), slice.capacity());
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if (b.isDirect() != slice.isDirect())
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fail("Lost direction", slice);
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if (b.isReadOnly() != slice.isReadOnly())
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fail("Lost read-only", slice);
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}
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private static void fail(String problem,
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FloatBuffer xb, FloatBuffer yb,
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float x, float y) {
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fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
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}
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private static void catchIllegalArgument(Buffer b, Runnable thunk) {
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tryCatch(b, IllegalArgumentException.class, thunk);
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}
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private static void catchReadOnlyBuffer(Buffer b, Runnable thunk) {
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tryCatch(b, ReadOnlyBufferException.class, thunk);
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}
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private static void catchIndexOutOfBounds(Buffer b, Runnable thunk) {
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tryCatch(b, IndexOutOfBoundsException.class, thunk);
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}
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private static void catchIndexOutOfBounds(float[] t, Runnable thunk) {
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tryCatch(t, IndexOutOfBoundsException.class, thunk);
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}
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private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
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boolean caught = false;
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try {
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thunk.run();
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} catch (Throwable x) {
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if (ex.isAssignableFrom(x.getClass())) {
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caught = true;
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} else {
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fail(x.getMessage() + " not expected");
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}
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}
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if (!caught) {
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fail(ex.getName() + " not thrown", b);
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}
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}
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private static void tryCatch(float[] t, Class<?> ex, Runnable thunk) {
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tryCatch(FloatBuffer.wrap(t), ex, thunk);
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}
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public static void test(int level, final FloatBuffer b, boolean direct) {
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show(level, b);
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if (direct != b.isDirect())
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fail("Wrong direction", b);
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// Gets and puts
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relPut(b);
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relGet(b);
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absGet(b);
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bulkGet(b);
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absPut(b);
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relGet(b);
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absGet(b);
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bulkGet(b);
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bulkPutArray(b);
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relGet(b);
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bulkPutBuffer(b);
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relGet(b);
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// Compact
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relPut(b);
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b.position(13);
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b.compact();
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b.flip();
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relGet(b, 13);
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// Exceptions
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relPut(b);
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b.limit(b.capacity() / 2);
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b.position(b.limit());
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tryCatch(b, BufferUnderflowException.class, () -> b.get());
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tryCatch(b, BufferOverflowException.class, () -> b.put((float)42));
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// The index must be non-negative and less than the buffer's limit.
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catchIndexOutOfBounds(b, () -> b.get(b.limit()));
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catchIndexOutOfBounds(b, () -> b.get(-1));
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catchIndexOutOfBounds(b, () -> b.put(b.limit(), (float)42));
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tryCatch(b, InvalidMarkException.class,
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() -> b.position(0).mark().compact().reset());
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try {
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b.position(b.limit() + 1);
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fail("IllegalArgumentException expected for position beyond limit");
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} catch (IllegalArgumentException e) {
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if (e.getMessage() == null) {
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fail("Non-null IllegalArgumentException message expected for"
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+ " position beyond limit");
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}
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}
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try {
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b.position(-1);
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fail("IllegalArgumentException expected for negative position");
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} catch (IllegalArgumentException e) {
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if (e.getMessage() == null) {
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fail("Non-null IllegalArgumentException message expected for"
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+ " negative position");
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}
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}
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try {
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b.limit(b.capacity() + 1);
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fail("IllegalArgumentException expected for limit beyond capacity");
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} catch (IllegalArgumentException e) {
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if (e.getMessage() == null) {
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fail("Non-null IllegalArgumentException message expected for"
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+ " limit beyond capacity");
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}
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}
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try {
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b.limit(-1);
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fail("IllegalArgumentException expected for negative limit");
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} catch (IllegalArgumentException e) {
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if (e.getMessage() == null) {
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fail("Non-null IllegalArgumentException message expected for"
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+ " negative limit");
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}
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}
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// Values
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b.clear();
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b.put((float)0);
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b.put((float)-1);
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b.put((float)1);
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b.put(Float.MAX_VALUE);
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b.put(Float.MIN_VALUE);
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b.put(-Float.MAX_VALUE);
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b.put(-Float.MIN_VALUE);
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b.put(Float.NEGATIVE_INFINITY);
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b.put(Float.POSITIVE_INFINITY);
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b.put(Float.NaN);
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b.put(0.91697687f); // Changes value if incorrectly swapped
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b.flip();
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ck(b, b.get(), 0);
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ck(b, b.get(), (float)-1);
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ck(b, b.get(), 1);
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ck(b, b.get(), Float.MAX_VALUE);
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ck(b, b.get(), Float.MIN_VALUE);
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float v;
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ck(b, b.get(), -Float.MAX_VALUE);
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ck(b, b.get(), -Float.MIN_VALUE);
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ck(b, b.get(), Float.NEGATIVE_INFINITY);
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ck(b, b.get(), Float.POSITIVE_INFINITY);
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if (Float.floatToRawIntBits(v = b.get()) !=
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Float.floatToRawIntBits(Float.NaN)) {
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fail(b, (long)Float.NaN, (long)v);
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}
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ck(b, b.get(), 0.91697687f);
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// Comparison
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b.rewind();
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FloatBuffer b2 = FloatBuffer.allocate(b.capacity());
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b2.put(b);
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b2.flip();
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b.position(2);
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b2.position(2);
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if (!b.equals(b2)) {
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for (int i = 2; i < b.limit(); i++) {
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float x = b.get(i);
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float y = b2.get(i);
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if (x != y
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|| Float.compare(x, y) != 0
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) {
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out.println("[" + i + "] " + x + " != " + y);
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}
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}
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fail("Identical buffers not equal", b, b2);
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}
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if (b.compareTo(b2) != 0) {
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fail("Comparison to identical buffer != 0", b, b2);
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}
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b.limit(b.limit() + 1);
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b.position(b.limit() - 1);
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b.put((float)99);
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b.rewind();
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b2.rewind();
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if (b.equals(b2))
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fail("Non-identical buffers equal", b, b2);
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if (b.compareTo(b2) <= 0)
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fail("Comparison to shorter buffer <= 0", b, b2);
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b.limit(b.limit() - 1);
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b.put(2, (float)42);
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if (b.equals(b2))
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fail("Non-identical buffers equal", b, b2);
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if (b.compareTo(b2) <= 0)
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fail("Comparison to lesser buffer <= 0", b, b2);
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// Check equals and compareTo with interesting values
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for (float x : VALUES) {
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FloatBuffer xb = FloatBuffer.wrap(new float[] { x });
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if (xb.compareTo(xb) != 0) {
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fail("compareTo not reflexive", xb, xb, x, x);
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}
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if (!xb.equals(xb)) {
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fail("equals not reflexive", xb, xb, x, x);
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}
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for (float y : VALUES) {
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FloatBuffer yb = FloatBuffer.wrap(new float[] { y });
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if (xb.compareTo(yb) != - yb.compareTo(xb)) {
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fail("compareTo not anti-symmetric",
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xb, yb, x, y);
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}
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if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
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fail("compareTo inconsistent with equals",
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xb, yb, x, y);
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}
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if (xb.compareTo(yb) != Float.compare(x, y)) {
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if (x == 0.0 && y == 0.0) continue;
|
|
|
|
|
|
|
|
|
|
fail("Incorrect results for FloatBuffer.compareTo",
|
|
xb, yb, x, y);
|
|
}
|
|
if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
|
|
fail("Incorrect results for FloatBuffer.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);
|
|
FloatBuffer sb = b.slice();
|
|
checkSlice(b, sb);
|
|
b.position(0);
|
|
FloatBuffer 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);
|
|
}
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
// Read-only views
|
|
|
|
b.rewind();
|
|
final FloatBuffer rb = b.asReadOnlyBuffer();
|
|
if (!b.equals(rb))
|
|
fail("Buffer not equal to read-only view", b, rb);
|
|
show(level + 1, rb);
|
|
|
|
catchReadOnlyBuffer(b, () -> relPut(rb));
|
|
catchReadOnlyBuffer(b, () -> absPut(rb));
|
|
catchReadOnlyBuffer(b, () -> bulkPutArray(rb));
|
|
catchReadOnlyBuffer(b, () -> bulkPutBuffer(rb));
|
|
|
|
// put(FloatBuffer) should not change source position
|
|
final FloatBuffer src = FloatBuffer.allocate(1);
|
|
catchReadOnlyBuffer(b, () -> rb.put(src));
|
|
ck(src, src.position(), 0);
|
|
|
|
catchReadOnlyBuffer(b, () -> rb.compact());
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public static void test(final float [] ba) {
|
|
int offset = 47;
|
|
int length = 900;
|
|
final FloatBuffer b = FloatBuffer.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, () -> FloatBuffer.wrap(ba, -1, ba.length));
|
|
catchIndexOutOfBounds(ba, () -> FloatBuffer.wrap(ba, ba.length + 1, ba.length));
|
|
catchIndexOutOfBounds(ba, () -> FloatBuffer.wrap(ba, 0, -1));
|
|
catchIndexOutOfBounds(ba, () -> FloatBuffer.wrap(ba, 0, ba.length + 1));
|
|
|
|
// A NullPointerException will be thrown if the array is null.
|
|
tryCatch(ba, NullPointerException.class,
|
|
() -> FloatBuffer.wrap((float []) null, 0, 5));
|
|
tryCatch(ba, NullPointerException.class,
|
|
() -> FloatBuffer.wrap((float []) null));
|
|
}
|
|
|
|
private static void testAllocate() {
|
|
// An IllegalArgumentException will be thrown for negative capacities.
|
|
catchIllegalArgument((Buffer) null, () -> FloatBuffer.allocate(-1));
|
|
try {
|
|
FloatBuffer.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, FloatBuffer.allocate(7 * 1024), false);
|
|
test(0, FloatBuffer.wrap(new float[7 * 1024], 0, 7 * 1024), false);
|
|
test(new float[1024]);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
callReset(FloatBuffer.allocate(10));
|
|
|
|
|
|
|
|
putBuffer();
|
|
|
|
}
|
|
|
|
}
|