365 lines
20 KiB
Java
365 lines
20 KiB
Java
/*
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* Copyright (c) 2020, 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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/*
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* @test
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* @run testng TestMemoryAccessStatics
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*/
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import jdk.incubator.foreign.MemoryAccess;
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import jdk.incubator.foreign.MemoryAddress;
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import jdk.incubator.foreign.MemoryLayouts;
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import jdk.incubator.foreign.MemorySegment;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import org.testng.annotations.*;
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import static org.testng.Assert.*;
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public class TestMemoryAccessStatics {
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static class Accessor<X> {
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interface SegmentGetter<X> {
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X get(MemorySegment segment);
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}
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interface SegmentSetter<X> {
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void set(MemorySegment segment, X o);
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}
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interface BufferGetter<X> {
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X get(ByteBuffer segment);
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}
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interface BufferSetter<X> {
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void set(ByteBuffer buffer, X o);
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}
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final X value;
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final SegmentGetter<X> segmentGetter;
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final SegmentSetter<X> segmentSetter;
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final BufferGetter<X> bufferGetter;
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final BufferSetter<X> bufferSetter;
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Accessor(X value,
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SegmentGetter<X> segmentGetter, SegmentSetter<X> segmentSetter,
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BufferGetter<X> bufferGetter, BufferSetter<X> bufferSetter) {
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this.value = value;
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this.segmentGetter = segmentGetter;
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this.segmentSetter = segmentSetter;
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this.bufferGetter = bufferGetter;
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this.bufferSetter = bufferSetter;
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}
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void test() {
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MemorySegment segment = MemorySegment.ofArray(new byte[32]);
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ByteBuffer buffer = segment.asByteBuffer();
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segmentSetter.set(segment, value);
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assertEquals(bufferGetter.get(buffer), value);
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bufferSetter.set(buffer, value);
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assertEquals(value, segmentGetter.get(segment));
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}
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<Z> Accessor<Z> of(Z value,
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SegmentGetter<Z> segmentGetter, SegmentSetter<Z> segmentSetter,
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BufferGetter<Z> bufferGetter, BufferSetter<Z> bufferSetter) {
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return new Accessor<>(value, segmentGetter, segmentSetter, bufferGetter, bufferSetter);
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}
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}
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@Test(dataProvider = "accessors")
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public void testMemoryAccess(String testName, Accessor<?> accessor) {
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accessor.test();
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}
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static final ByteOrder BE = ByteOrder.BIG_ENDIAN;
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static final ByteOrder LE = ByteOrder.LITTLE_ENDIAN;
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static final ByteOrder NE = ByteOrder.nativeOrder();
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@DataProvider(name = "accessors")
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static Object[][] accessors() {
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return new Object[][]{
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{"byte", new Accessor<>((byte) 42,
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MemoryAccess::getByte, MemoryAccess::setByte,
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(bb) -> bb.get(0), (bb, v) -> bb.put(0, v))
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},
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{"char", new Accessor<>((char) 42,
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MemoryAccess::getChar, MemoryAccess::setChar,
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(bb) -> bb.order(NE).getChar(0), (bb, v) -> bb.order(NE).putChar(0, v))
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},
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{"char/LE", new Accessor<>((char) 42,
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s -> MemoryAccess.getChar(s, LE), (s, x) -> MemoryAccess.setChar(s, LE, x),
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(bb) -> bb.order(LE).getChar(0), (bb, v) -> bb.order(LE).putChar(0, v))
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},
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{"char/BE", new Accessor<>((char) 42,
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s -> MemoryAccess.getChar(s, BE), (s, x) -> MemoryAccess.setChar(s, BE, x),
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(bb) -> bb.order(BE).getChar(0), (bb, v) -> bb.order(BE).putChar(0, v))
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},
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{"short", new Accessor<>((short) 42,
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MemoryAccess::getShort, MemoryAccess::setShort,
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(bb) -> bb.order(NE).getShort(0), (bb, v) -> bb.order(NE).putShort(0, v))
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},
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{"short/LE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShort(s, LE), (s, x) -> MemoryAccess.setShort(s, LE, x),
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(bb) -> bb.order(LE).getShort(0), (bb, v) -> bb.order(LE).putShort(0, v))
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},
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{"short/BE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShort(s, BE), (s, x) -> MemoryAccess.setShort(s, BE, x),
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(bb) -> bb.order(BE).getShort(0), (bb, v) -> bb.order(BE).putShort(0, v))
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},
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{"int", new Accessor<>(42,
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MemoryAccess::getInt, MemoryAccess::setInt,
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(bb) -> bb.order(NE).getInt(0), (bb, v) -> bb.order(NE).putInt(0, v))
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},
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{"int/LE", new Accessor<>(42,
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s -> MemoryAccess.getInt(s, LE), (s, x) -> MemoryAccess.setInt(s, LE, x),
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(bb) -> bb.order(LE).getInt(0), (bb, v) -> bb.order(LE).putInt(0, v))
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},
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{"int/BE", new Accessor<>(42,
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s -> MemoryAccess.getInt(s, BE), (s, x) -> MemoryAccess.setInt(s, BE, x),
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(bb) -> bb.order(BE).getInt(0), (bb, v) -> bb.order(BE).putInt(0, v))
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},
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// float, no offset
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{"float", new Accessor<>(42f,
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MemoryAccess::getFloat, MemoryAccess::setFloat,
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(bb) -> bb.order(NE).getFloat(0), (bb, v) -> bb.order(NE).putFloat(0, v))
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},
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{"float/LE", new Accessor<>(42f,
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s -> MemoryAccess.getFloat(s, LE), (s, x) -> MemoryAccess.setFloat(s, LE, x),
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(bb) -> bb.order(LE).getFloat(0), (bb, v) -> bb.order(LE).putFloat(0, v))
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},
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{"float/BE", new Accessor<>(42f,
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s -> MemoryAccess.getFloat(s, BE), (s, x) -> MemoryAccess.setFloat(s, BE, x),
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(bb) -> bb.order(BE).getFloat(0), (bb, v) -> bb.order(BE).putFloat(0, v))
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},
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// double, no offset
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{"double", new Accessor<>(42d,
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MemoryAccess::getDouble, MemoryAccess::setDouble,
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(bb) -> bb.order(NE).getDouble(0), (bb, v) -> bb.order(NE).putDouble(0, v))
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},
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{"double/LE", new Accessor<>(42d,
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s -> MemoryAccess.getDouble(s, LE), (s, x) -> MemoryAccess.setDouble(s, LE, x),
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(bb) -> bb.order(LE).getDouble(0), (bb, v) -> bb.order(LE).putDouble(0, v))
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},
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{"double/BE", new Accessor<>(42d,
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s -> MemoryAccess.getDouble(s, BE), (s, x) -> MemoryAccess.setDouble(s, BE, x),
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(bb) -> bb.order(BE).getDouble(0), (bb, v) -> bb.order(BE).putDouble(0, v))
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},
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// byte, offset
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{"byte/offset", new Accessor<>((byte) 42,
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s -> MemoryAccess.getByteAtOffset(s, 4), (s, x) -> MemoryAccess.setByteAtOffset(s, 4, x),
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(bb) -> bb.get(4), (bb, v) -> bb.put(4, v))
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},
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// char, offset
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{"char/offset", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtOffset(s, 4), (s, x) -> MemoryAccess.setCharAtOffset(s, 4, x),
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(bb) -> bb.order(NE).getChar(4), (bb, v) -> bb.order(NE).putChar(4, v))
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},
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{"char/offset/LE", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtOffset(s, 4, LE), (s, x) -> MemoryAccess.setCharAtOffset(s, 4, LE, x),
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(bb) -> bb.order(LE).getChar(4), (bb, v) -> bb.order(LE).putChar(4, v))
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},
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{"char/offset/BE", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtOffset(s, 4, BE), (s, x) -> MemoryAccess.setCharAtOffset(s, 4, BE, x),
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(bb) -> bb.order(BE).getChar(4), (bb, v) -> bb.order(BE).putChar(4, v))
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},
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// short, offset
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{"short/offset", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtOffset(s, 4), (s, x) -> MemoryAccess.setShortAtOffset(s, 4, x),
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(bb) -> bb.order(NE).getShort(4), (bb, v) -> bb.order(NE).putShort(4, v))
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},
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{"short/offset/LE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtOffset(s, 4, LE), (s, x) -> MemoryAccess.setShortAtOffset(s, 4, LE, x),
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(bb) -> bb.order(LE).getShort(4), (bb, v) -> bb.order(LE).putShort(4, v))
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},
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{"short/offset/BE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtOffset(s, 4, BE), (s, x) -> MemoryAccess.setShortAtOffset(s, 4, BE, x),
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(bb) -> bb.order(BE).getShort(4), (bb, v) -> bb.order(BE).putShort(4, v))
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},
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// int, offset
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{"int/offset", new Accessor<>(42,
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s -> MemoryAccess.getIntAtOffset(s, 4), (s, x) -> MemoryAccess.setIntAtOffset(s, 4, x),
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(bb) -> bb.order(NE).getInt(4), (bb, v) -> bb.order(NE).putInt(4, v))
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},
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{"int/offset/LE", new Accessor<>(42,
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s -> MemoryAccess.getIntAtOffset(s, 4, LE), (s, x) -> MemoryAccess.setIntAtOffset(s, 4, LE, x),
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(bb) -> bb.order(LE).getInt(4), (bb, v) -> bb.order(LE).putInt(4, v))
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},
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{"int/offset/BE", new Accessor<>(42,
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s -> MemoryAccess.getIntAtOffset(s, 4, BE), (s, x) -> MemoryAccess.setIntAtOffset(s, 4, BE, x),
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(bb) -> bb.order(BE).getInt(4), (bb, v) -> bb.order(BE).putInt(4, v))
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},
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// float, offset
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{"float/offset", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtOffset(s, 4), (s, x) -> MemoryAccess.setFloatAtOffset(s, 4, x),
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(bb) -> bb.order(NE).getFloat(4), (bb, v) -> bb.order(NE).putFloat(4, v))
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},
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{"float/offset/LE", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtOffset(s, 4, LE), (s, x) -> MemoryAccess.setFloatAtOffset(s, 4, LE, x),
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(bb) -> bb.order(LE).getFloat(4), (bb, v) -> bb.order(LE).putFloat(4, v))
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},
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{"float/offset/BE", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtOffset(s, 4, BE), (s, x) -> MemoryAccess.setFloatAtOffset(s, 4, BE, x),
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(bb) -> bb.order(BE).getFloat(4), (bb, v) -> bb.order(BE).putFloat(4, v))
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},
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// double, offset
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{"double/offset", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtOffset(s, 4), (s, x) -> MemoryAccess.setDoubleAtOffset(s, 4, x),
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(bb) -> bb.order(NE).getDouble(4), (bb, v) -> bb.order(NE).putDouble(4, v))
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},
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{"double/offset/LE", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtOffset(s, 4, LE), (s, x) -> MemoryAccess.setDoubleAtOffset(s, 4, LE, x),
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(bb) -> bb.order(LE).getDouble(4), (bb, v) -> bb.order(LE).putDouble(4, v))
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},
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{"double/offset/BE", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtOffset(s, 4, BE), (s, x) -> MemoryAccess.setDoubleAtOffset(s, 4, BE, x),
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(bb) -> bb.order(BE).getDouble(4), (bb, v) -> bb.order(BE).putDouble(4, v))
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},
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// char, index
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{"char/index", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtIndex(s, 2), (s, x) -> MemoryAccess.setCharAtIndex(s, 2, x),
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(bb) -> bb.order(NE).asCharBuffer().get(2), (bb, v) -> bb.order(NE).asCharBuffer().put(2, v))
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},
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{"char/index/LE", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtIndex(s, 2, LE), (s, x) -> MemoryAccess.setCharAtIndex(s, 2, LE, x),
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(bb) -> bb.order(LE).asCharBuffer().get(2), (bb, v) -> bb.order(LE).asCharBuffer().put(2, v))
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},
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{"char/index/BE", new Accessor<>((char) 42,
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s -> MemoryAccess.getCharAtIndex(s, 2, BE), (s, x) -> MemoryAccess.setCharAtIndex(s, 2, BE, x),
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(bb) -> bb.order(BE).asCharBuffer().get(2), (bb, v) -> bb.order(BE).asCharBuffer().put(2, v))
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},
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// short, index
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{"short/index", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtIndex(s, 2), (s, x) -> MemoryAccess.setShortAtIndex(s, 2, x),
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(bb) -> bb.order(NE).asShortBuffer().get(2), (bb, v) -> bb.order(NE).asShortBuffer().put(2, v))
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},
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{"short/index/LE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtIndex(s, 2, LE), (s, x) -> MemoryAccess.setShortAtIndex(s, 2, LE, x),
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(bb) -> bb.order(LE).asShortBuffer().get(2), (bb, v) -> bb.order(LE).asShortBuffer().put(2, v))
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},
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{"short/index/BE", new Accessor<>((short) 42,
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s -> MemoryAccess.getShortAtIndex(s, 2, BE), (s, x) -> MemoryAccess.setShortAtIndex(s, 2, BE, x),
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(bb) -> bb.order(BE).asShortBuffer().get(2), (bb, v) -> bb.order(BE).asShortBuffer().put(2, v))
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},
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{"int/index", new Accessor<>(42,
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s -> MemoryAccess.getIntAtIndex(s, 2), (s, x) -> MemoryAccess.setIntAtIndex(s, 2, x),
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(bb) -> bb.order(NE).asIntBuffer().get(2), (bb, v) -> bb.order(NE).asIntBuffer().put(2, v))
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},
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{"int/index/LE", new Accessor<>(42,
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s -> MemoryAccess.getIntAtIndex(s, 2, LE), (s, x) -> MemoryAccess.setIntAtIndex(s, 2, LE, x),
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(bb) -> bb.order(LE).asIntBuffer().get(2), (bb, v) -> bb.order(LE).asIntBuffer().put(2, v))
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},
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{"int/index/BE", new Accessor<>(42,
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s -> MemoryAccess.getIntAtIndex(s, 2, BE), (s, x) -> MemoryAccess.setIntAtIndex(s, 2, BE, x),
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(bb) -> bb.order(BE).asIntBuffer().get(2), (bb, v) -> bb.order(BE).asIntBuffer().put(2, v))
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},
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{"float/index", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtIndex(s, 2), (s, x) -> MemoryAccess.setFloatAtIndex(s, 2, x),
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(bb) -> bb.order(NE).asFloatBuffer().get(2), (bb, v) -> bb.order(NE).asFloatBuffer().put(2, v))
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},
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{"float/index/LE", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtIndex(s, 2, LE), (s, x) -> MemoryAccess.setFloatAtIndex(s, 2, LE, x),
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(bb) -> bb.order(LE).asFloatBuffer().get(2), (bb, v) -> bb.order(LE).asFloatBuffer().put(2, v))
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},
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{"float/index/BE", new Accessor<>(42f,
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s -> MemoryAccess.getFloatAtIndex(s, 2, BE), (s, x) -> MemoryAccess.setFloatAtIndex(s, 2, BE, x),
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(bb) -> bb.order(BE).asFloatBuffer().get(2), (bb, v) -> bb.order(BE).asFloatBuffer().put(2, v))
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},
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{"double/index", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtIndex(s, 2), (s, x) -> MemoryAccess.setDoubleAtIndex(s, 2, x),
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(bb) -> bb.order(NE).asDoubleBuffer().get(2), (bb, v) -> bb.order(NE).asDoubleBuffer().put(2, v))
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},
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{"double/index/LE", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtIndex(s, 2, LE), (s, x) -> MemoryAccess.setDoubleAtIndex(s, 2, LE, x),
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(bb) -> bb.order(LE).asDoubleBuffer().get(2), (bb, v) -> bb.order(LE).asDoubleBuffer().put(2, v))
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},
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{"double/index/BE", new Accessor<>(42d,
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s -> MemoryAccess.getDoubleAtIndex(s, 2, BE), (s, x) -> MemoryAccess.setDoubleAtIndex(s, 2, BE, x),
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(bb) -> bb.order(BE).asDoubleBuffer().get(2), (bb, v) -> bb.order(BE).asDoubleBuffer().put(2, v))
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},
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{ "address", new Accessor<>(MemoryAddress.ofLong(42),
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MemoryAccess::getAddress, MemoryAccess::setAddress,
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(bb) -> {
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ByteBuffer nb = bb.order(NE);
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long addr = MemoryLayouts.ADDRESS.byteSize() == 8 ?
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nb.getLong(0) : nb.getInt(0);
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return MemoryAddress.ofLong(addr);
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},
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(bb, v) -> {
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ByteBuffer nb = bb.order(NE);
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if (MemoryLayouts.ADDRESS.byteSize() == 8) {
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nb.putLong(0, v.toRawLongValue());
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} else {
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nb.putInt(0, (int)v.toRawLongValue());
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}
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})
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},
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{ "address/offset", new Accessor<>(MemoryAddress.ofLong(42),
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s -> MemoryAccess.getAddressAtOffset(s, 4), (s, x) -> MemoryAccess.setAddressAtOffset(s, 4, x),
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(bb) -> {
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ByteBuffer nb = bb.order(NE);
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long addr = MemoryLayouts.ADDRESS.byteSize() == 8 ?
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nb.getLong(4) : nb.getInt(4);
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return MemoryAddress.ofLong(addr);
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},
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(bb, v) -> {
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ByteBuffer nb = bb.order(NE);
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if (MemoryLayouts.ADDRESS.byteSize() == 8) {
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nb.putLong(4, v.toRawLongValue());
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} else {
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nb.putInt(4, (int)v.toRawLongValue());
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}
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})
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},
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{ "address/index", new Accessor<>(MemoryAddress.ofLong(42),
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s -> MemoryAccess.getAddressAtIndex(s, 2), (s, x) -> MemoryAccess.setAddressAtIndex(s, 2, x),
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(bb) -> {
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ByteBuffer nb = bb.order(NE);
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long addr = MemoryLayouts.ADDRESS.byteSize() == 8 ?
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nb.asLongBuffer().get(2) : nb.asIntBuffer().get(2);
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return MemoryAddress.ofLong(addr);
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},
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(bb, v) -> {
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ByteBuffer nb = bb.order(NE);
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if (MemoryLayouts.ADDRESS.byteSize() == 8) {
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nb.asLongBuffer().put(2, v.toRawLongValue());
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} else {
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nb.asIntBuffer().put(2, (int)v.toRawLongValue());
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}
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})
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},
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};
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}
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}
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