--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/intrinsics/unsafe/ByteBufferTest.java Fri Jul 15 12:40:47 2016 +0000
@@ -0,0 +1,750 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, Red Hat Inc. 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.
+ */
+
+import jdk.test.lib.Utils;
+
+import java.nio.Buffer;
+import java.nio.BufferOverflowException;
+import java.nio.BufferUnderflowException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+import java.util.Arrays;
+import java.util.Random;
+
+import static java.nio.ByteOrder.BIG_ENDIAN;
+import static java.nio.ByteOrder.LITTLE_ENDIAN;
+
+// A wrapper for a ByteBuffer which maintains a backing array and a
+// position. Whenever this wrapper is written the backing array and
+// the wrapped byte buffer are updated together, and whenever it is
+// read we check that the ByteBuffer and the backing array are identical.
+
+class MyByteBuffer {
+ final ByteBuffer buf;
+ final byte[] bytes;
+ int pos;
+ ByteOrder byteOrder = BIG_ENDIAN;
+
+ MyByteBuffer(ByteBuffer buf) {
+ this.buf = buf;
+ this.bytes = new byte[buf.capacity()];
+ pos = 0;
+ }
+
+ public final MyByteBuffer order(ByteOrder bo) {
+ byteOrder = bo;
+ buf.order(bo);
+ return this;
+ }
+
+ static MyByteBuffer allocate(int capacity) {
+ return new MyByteBuffer(ByteBuffer.allocate(capacity));
+ }
+
+ static MyByteBuffer allocateDirect(int capacity) {
+ return new MyByteBuffer(ByteBuffer.allocateDirect(capacity));
+ }
+
+ int capacity() { return bytes.length; }
+ int position() {
+ if (buf.position() != pos)
+ throw new RuntimeException();
+ return buf.position();
+ }
+
+ byte[] actualArray() {
+ buf.rewind();
+ byte[] actual = new byte[bytes.length];
+ buf.get(actual, 0, actual.length);
+ buf.rewind();
+
+ return actual;
+ }
+ byte[] expectedArray() { return bytes; }
+
+ private static byte long7(long x) { return (byte)(x >> 56); }
+ private static byte long6(long x) { return (byte)(x >> 48); }
+ private static byte long5(long x) { return (byte)(x >> 40); }
+ private static byte long4(long x) { return (byte)(x >> 32); }
+ private static byte long3(long x) { return (byte)(x >> 24); }
+ private static byte long2(long x) { return (byte)(x >> 16); }
+ private static byte long1(long x) { return (byte)(x >> 8); }
+ private static byte long0(long x) { return (byte)(x ); }
+
+ private static byte int3(int x) { return (byte)(x >> 24); }
+ private static byte int2(int x) { return (byte)(x >> 16); }
+ private static byte int1(int x) { return (byte)(x >> 8); }
+ private static byte int0(int x) { return (byte)(x ); }
+
+ private static byte short1(short x) { return (byte)(x >> 8); }
+ private static byte short0(short x) { return (byte)(x ); }
+
+ byte _get(long i) { return bytes[(int)i]; }
+ void _put(long i, byte x) { bytes[(int)i] = x; }
+
+ private void putLongX(long a, long x) {
+ if (byteOrder == BIG_ENDIAN) {
+ x = Long.reverseBytes(x);
+ }
+ _put(a + 7, long7(x));
+ _put(a + 6, long6(x));
+ _put(a + 5, long5(x));
+ _put(a + 4, long4(x));
+ _put(a + 3, long3(x));
+ _put(a + 2, long2(x));
+ _put(a + 1, long1(x));
+ _put(a , long0(x));
+ }
+
+ private void putIntX(long a, int x) {
+ if (byteOrder == BIG_ENDIAN) {
+ x = Integer.reverseBytes(x);
+ }
+ _put(a + 3, int3(x));
+ _put(a + 2, int2(x));
+ _put(a + 1, int1(x));
+ _put(a , int0(x));
+ }
+
+ private void putShortX(int bi, short x) {
+ if (byteOrder == BIG_ENDIAN) {
+ x = Short.reverseBytes(x);
+ }
+ _put(bi , short0(x));
+ _put(bi + 1, short1(x));
+ }
+
+ static private int makeInt(byte b3, byte b2, byte b1, byte b0) {
+ return (((b3 ) << 24) |
+ ((b2 & 0xff) << 16) |
+ ((b1 & 0xff) << 8) |
+ ((b0 & 0xff) ));
+ }
+ int getIntX(long a) {
+ int x = makeInt(_get(a + 3),
+ _get(a + 2),
+ _get(a + 1),
+ _get(a));
+ if (byteOrder == BIG_ENDIAN) {
+ x = Integer.reverseBytes(x);
+ }
+ return x;
+ }
+
+ static private long makeLong(byte b7, byte b6, byte b5, byte b4,
+ byte b3, byte b2, byte b1, byte b0)
+ {
+ return ((((long)b7 ) << 56) |
+ (((long)b6 & 0xff) << 48) |
+ (((long)b5 & 0xff) << 40) |
+ (((long)b4 & 0xff) << 32) |
+ (((long)b3 & 0xff) << 24) |
+ (((long)b2 & 0xff) << 16) |
+ (((long)b1 & 0xff) << 8) |
+ (((long)b0 & 0xff) ));
+ }
+
+ long getLongX(long a) {
+ long x = makeLong(_get(a + 7),
+ _get(a + 6),
+ _get(a + 5),
+ _get(a + 4),
+ _get(a + 3),
+ _get(a + 2),
+ _get(a + 1),
+ _get(a));
+ if (byteOrder == BIG_ENDIAN) {
+ x = Long.reverseBytes(x);
+ }
+ return x;
+ }
+
+ static private short makeShort(byte b1, byte b0) {
+ return (short)((b1 << 8) | (b0 & 0xff));
+ }
+
+ short getShortX(long a) {
+ short x = makeShort(_get(a + 1),
+ _get(a ));
+ if (byteOrder == BIG_ENDIAN) {
+ x = Short.reverseBytes(x);
+ }
+ return x;
+ }
+
+ double getDoubleX(long a) {
+ long x = getLongX(a);
+ return Double.longBitsToDouble(x);
+ }
+
+ double getFloatX(long a) {
+ int x = getIntX(a);
+ return Float.intBitsToFloat(x);
+ }
+
+ void ck(long x, long y) {
+ if (x != y) {
+ throw new RuntimeException(" x = " + Long.toHexString(x) + ", y = " + Long.toHexString(y));
+ }
+ }
+
+ void ck(double x, double y) {
+ if (x == x && y == y && x != y) {
+ ck(x, y);
+ }
+ }
+
+ // Method accessors
+
+ long getLong(int i) { ck(buf.getLong(i), getLongX(i)); return buf.getLong(i); }
+ int getInt(int i) { ck(buf.getInt(i), getIntX(i)); return buf.getInt(i); }
+ short getShort(int i) { ck(buf.getShort(i), getShortX(i)); return buf.getShort(i); }
+ char getChar(int i) { ck(buf.getChar(i), (char)getShortX(i)); return buf.getChar(i); }
+ double getDouble(int i) { ck(buf.getDouble(i), getDoubleX(i)); return buf.getDouble(i); }
+ float getFloat(int i) { ck(buf.getFloat(i), getFloatX(i)); return buf.getFloat(i); }
+
+ void putLong(int i, long x) { buf.putLong(i, x); putLongX(i, x); }
+ void putInt(int i, int x) { buf.putInt(i, x); putIntX(i, x); }
+ void putShort(int i, short x) { buf.putShort(i, x); putShortX(i, x); }
+ void putChar(int i, char x) { buf.putChar(i, x); putShortX(i, (short)x); }
+ void putDouble(int i, double x) { buf.putDouble(i, x); putLongX(i, Double.doubleToRawLongBits(x)); }
+ void putFloat(int i, float x) { buf.putFloat(i, x); putIntX(i, Float.floatToRawIntBits(x)); }
+
+ long getLong() { ck(buf.getLong(buf.position()), getLongX(pos)); long x = buf.getLong(); pos += 8; return x; }
+ int getInt() { ck(buf.getInt(buf.position()), getIntX(pos)); int x = buf.getInt(); pos += 4; return x; }
+ short getShort() { ck(buf.getShort(buf.position()), getShortX(pos)); short x = buf.getShort(); pos += 2; return x; }
+ char getChar() { ck(buf.getChar(buf.position()), (char)getShortX(pos)); char x = buf.getChar(); pos += 2; return x; }
+ double getDouble() { ck(buf.getDouble(buf.position()), getDoubleX(pos)); double x = buf.getDouble(); pos += 8; return x; }
+ float getFloat() { ck(buf.getFloat(buf.position()), getFloatX(pos)); float x = buf.getFloat(); pos += 4; return x; }
+
+ void putLong(long x) { putLongX(pos, x); pos += 8; buf.putLong(x); }
+ void putInt(int x) { putIntX(pos, x); pos += 4; buf.putInt(x); }
+ void putShort(short x) { putShortX(pos, x); pos += 2; buf.putShort(x); }
+ void putChar(char x) { putShortX(pos, (short)x); pos += 2; buf.putChar(x); }
+ void putDouble(double x) { putLongX(pos, Double.doubleToRawLongBits(x)); pos += 8; buf.putDouble(x); }
+ void putFloat(float x) { putIntX(pos, Float.floatToRawIntBits(x)); pos += 4; buf.putFloat(x); }
+
+ // View accessors
+
+ long getLong(LongBuffer vb, int i) { ck(vb.get(i / 8), getLongX(i)); return vb.get(i / 8); }
+ int getInt(IntBuffer vb, int i) { ck(vb.get(i / 4), getIntX(i)); return vb.get(i / 4); }
+ short getShort(ShortBuffer vb, int i) { ck(vb.get(i / 2), getShortX(i)); return vb.get(i / 2); }
+ char getChar(CharBuffer vb, int i) { ck(vb.get(i / 2), (char)getShortX(i)); return vb.get(i / 2); }
+ double getDouble(DoubleBuffer vb, int i) { ck(vb.get(i / 8), getDoubleX(i)); return vb.get(i / 8); }
+ float getFloat(FloatBuffer vb, int i) { ck(vb.get(i / 4), getFloatX(i)); return vb.get(i / 4); }
+
+ void putLong(LongBuffer vb, int i, long x) { vb.put(i / 8, x); putLongX(i, x); }
+ void putInt(IntBuffer vb, int i, int x) { vb.put(i / 4, x); putIntX(i, x); }
+ void putShort(ShortBuffer vb, int i, short x) { vb.put(i / 2, x); putShortX(i, x); }
+ void putChar(CharBuffer vb, int i, char x) { vb.put(i / 2, x); putShortX(i, (short)x); }
+ void putDouble(DoubleBuffer vb, int i, double x) { vb.put(i / 8, x); putLongX(i, Double.doubleToRawLongBits(x)); }
+ void putFloat(FloatBuffer vb, int i, float x) { vb.put(i / 4, x); putIntX(i, Float.floatToRawIntBits(x)); }
+
+ long getLong(LongBuffer v) { ck(v.get(v.position()), getLongX(pos)); long x = v.get(); pos += 8; return x; }
+ int getInt(IntBuffer v) { ck(v.get(v.position()), getIntX(pos)); int x = v.get(); pos += 4; return x; }
+ short getShort(ShortBuffer v) { ck(v.get(v.position()), getShortX(pos)); short x = v.get(); pos += 2; return x; }
+ char getChar(CharBuffer v) { ck(v.get(v.position()), (char)getShortX(pos)); char x = v.get(); pos += 2; return x; }
+ double getDouble(DoubleBuffer v) { ck(v.get(v.position()), getDoubleX(pos)); double x = v.get(); pos += 8; return x; }
+ float getFloat(FloatBuffer v) { ck(v.get(v.position()), getFloatX(pos)); float x = v.get(); pos += 4; return x; }
+
+ void putLong(LongBuffer v, long x) { putLongX(pos, x); pos += 8; v.put(x); }
+ void putInt(IntBuffer v, int x) { putIntX(pos, x); pos += 4; v.put(x); }
+ void putShort(ShortBuffer v, short x) { putShortX(pos, x); pos += 2; v.put(x); }
+ void putChar(CharBuffer v, char x) { putShortX(pos, (short)x); pos += 2; v.put(x); }
+ void putDouble(DoubleBuffer v, double x) { putLongX(pos, Double.doubleToRawLongBits(x)); pos += 8; v.put(x); }
+ void putFloat(FloatBuffer v, float x) { putIntX(pos, Float.floatToRawIntBits(x)); pos += 4; v.put(x); }
+
+ void rewind() { pos = 0; buf.rewind(); }
+}
+
+public abstract class ByteBufferTest implements Runnable {
+
+ Random random = Utils.getRandomInstance();
+ MyByteBuffer data;
+
+ static int randomOffset(Random r, MyByteBuffer buf, int size) {
+ return r.nextInt(buf.capacity() - size);
+ }
+
+ static int randomAlignedOffset(Random r, MyByteBuffer buf, int unitSize) {
+ return r.nextInt(buf.capacity() / unitSize) * unitSize;
+ }
+
+ long iterations;
+
+ ByteBufferTest(long iterations, boolean direct) {
+ this.iterations = iterations;
+ data = direct
+ ? MyByteBuffer.allocateDirect(1024)
+ : MyByteBuffer.allocate(1024);
+ }
+
+ // The core of the test. Walk over the buffer reading and writing
+ // random data, XORing it as we go. We can detect writes in the
+ // wrong place, writes which are too long or too short, and reads
+ // or writes of the wrong data,
+ void step(Random r) {
+ stepUsingAccessors(r);
+ stepUsingViews(r);
+ }
+
+ void stepUsingAccessors(Random r) {
+ data.order((r.nextInt() & 1) != 0 ? BIG_ENDIAN : LITTLE_ENDIAN);
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putLong(data.getLong() ^ random.nextLong());
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putInt(data.getInt() ^ random.nextInt());
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putShort((short)(data.getShort() ^ random.nextInt()));
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putChar((char)(data.getChar() ^ random.nextInt()));
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putDouble(combine(data.getDouble(), random.nextLong()));
+
+ data.rewind();
+ while (data.position() < data.capacity())
+ data.putFloat(combine(data.getFloat(), random.nextInt()));
+
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Long.BYTES);
+ data.putLong(offset, data.getLong(offset) ^ random.nextLong());
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Integer.BYTES);
+ data.putInt(offset, data.getInt(offset) ^ random.nextInt());
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Short.BYTES);
+ data.putShort(offset, (short)(data.getShort(offset) ^ random.nextInt()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Character.BYTES);
+ data.putChar(offset, (char)(data.getChar(offset) ^ random.nextInt()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Double.BYTES);
+ data.putDouble(offset, combine(data.getDouble(offset), random.nextLong()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomOffset(r, data, Float.BYTES);
+ data.putFloat(offset, combine(data.getFloat(offset), random.nextInt()));
+ }
+ }
+
+ void stepUsingViews(Random r) {
+ data.order((r.nextInt() & 1) != 0 ? BIG_ENDIAN : LITTLE_ENDIAN);
+
+ data.rewind();
+ LongBuffer lbuf = data.buf.asLongBuffer();
+ while (lbuf.position() < data.capacity() / Long.BYTES)
+ data.putLong(lbuf, data.getLong(lbuf) ^ random.nextLong());
+
+ data.rewind();
+ IntBuffer ibuf = data.buf.asIntBuffer();
+ while (ibuf.position() < data.capacity() / Integer.BYTES)
+ data.putInt(ibuf, data.getInt(ibuf) ^ random.nextInt());
+
+ data.rewind();
+ ShortBuffer sbuf = data.buf.asShortBuffer();
+ while (sbuf.position() < data.capacity() / Short.BYTES)
+ data.putShort(sbuf, (short)(data.getShort(sbuf) ^ random.nextInt()));
+
+ data.rewind();
+ CharBuffer cbuf = data.buf.asCharBuffer();
+ while (cbuf.position() < data.capacity() / Character.BYTES)
+ data.putChar(cbuf, (char)(data.getChar(cbuf) ^ random.nextInt()));
+
+ data.rewind();
+ DoubleBuffer dbuf = data.buf.asDoubleBuffer();
+ while (dbuf.position() < data.capacity() / Double.BYTES)
+ data.putDouble(dbuf, combine(data.getDouble(dbuf), random.nextLong()));
+
+ data.rewind();
+ FloatBuffer fbuf = data.buf.asFloatBuffer();
+ while (fbuf.position() < data.capacity() / Float.BYTES)
+ data.putFloat(fbuf, combine(data.getFloat(fbuf), random.nextInt()));
+
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Long.BYTES);
+ data.putLong(lbuf, offset, data.getLong(lbuf, offset) ^ random.nextLong());
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Integer.BYTES);
+ data.putInt(ibuf, offset, data.getInt(ibuf, offset) ^ random.nextInt());
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Short.BYTES);
+ data.putShort(sbuf, offset, (short)(data.getShort(sbuf, offset) ^ random.nextInt()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Character.BYTES);
+ data.putChar(cbuf, offset, (char)(data.getChar(cbuf, offset) ^ random.nextInt()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Double.BYTES);
+ data.putDouble(dbuf, offset, combine(data.getDouble(dbuf, offset), random.nextLong()));
+ }
+ for (int i = 0; i < 100; i++) {
+ int offset = randomAlignedOffset(r, data, Float.BYTES);
+ data.putFloat(fbuf, offset, combine(data.getFloat(fbuf, offset), random.nextInt()));
+ }
+ }
+
+ // XOR the bit pattern of a double and a long, returning the
+ // result as a double.
+ //
+ // We convert signalling NaNs to quiet NaNs. We need to do this
+ // because some platforms (in particular legacy 80x87) do not
+ // provide transparent conversions between integer and
+ // floating-point types even when using raw conversions but
+ // quietly convert sNaN to qNaN. This causes spurious test
+ // failures when the template interpreter uses 80x87 and the JITs
+ // use XMM registers.
+ //
+ public double combine(double prev, long bits) {
+ bits ^= Double.doubleToRawLongBits(prev);
+ double result = Double.longBitsToDouble(bits);
+ if (Double.isNaN(result)) {
+ result = Double.longBitsToDouble(bits | 0x8000000000000l);
+ }
+ return result;
+ }
+
+ // XOR the bit pattern of a float and an int, returning the result
+ // as a float. Convert sNaNs to qNaNs.
+ public Float combine(float prev, int bits) {
+ bits ^= Float.floatToRawIntBits(prev);
+ Float result = Float.intBitsToFloat(bits);
+ if (Float.isNaN(result)) {
+ result = Float.intBitsToFloat(bits | 0x400000);
+ }
+ return result;
+ }
+
+ enum PrimitiveType {
+ BYTE(1), CHAR(2), SHORT(2), INT(4), LONG(8), FLOAT(4), DOUBLE(8);
+
+ public final int size;
+ PrimitiveType(int size) {
+ this.size = size;
+ }
+ }
+
+ Buffer asView(ByteBuffer b, PrimitiveType t) {
+ switch (t) {
+ case BYTE: return b;
+ case CHAR: return b.asCharBuffer();
+ case SHORT: return b.asShortBuffer();
+ case INT: return b.asIntBuffer();
+ case LONG: return b.asLongBuffer();
+ case FLOAT: return b.asFloatBuffer();
+ case DOUBLE: return b.asDoubleBuffer();
+ }
+ throw new InternalError("Should not reach here");
+ }
+
+ void getOne(ByteBuffer b, PrimitiveType t) {
+ switch (t) {
+ case BYTE: b.get(); break;
+ case CHAR: b.getChar(); break;
+ case SHORT: b.getShort(); break;
+ case INT: b.getInt(); break;
+ case LONG: b.getLong(); break;
+ case FLOAT: b.getFloat(); break;
+ case DOUBLE: b.getDouble(); break;
+ }
+ }
+
+ void putOne(ByteBuffer b, PrimitiveType t) {
+ switch (t) {
+ case BYTE: b.put((byte)0); break;
+ case CHAR: b.putChar('0'); break;
+ case SHORT: b.putShort((short)0); break;
+ case INT: b.putInt(0); break;
+ case LONG: b.putLong(0); break;
+ case FLOAT: b.putFloat(0); break;
+ case DOUBLE: b.putDouble(0); break;
+ }
+ }
+
+ void asViewGetOne(ByteBuffer b, PrimitiveType t) {
+ switch (t) {
+ case BYTE: b.get(); break;
+ case CHAR: b.asCharBuffer().get(); break;
+ case SHORT: b.asShortBuffer().get(); break;
+ case INT: b.asIntBuffer().get(); break;
+ case LONG: b.asLongBuffer().get(); break;
+ case FLOAT: b.asFloatBuffer().get(); break;
+ case DOUBLE: b.asDoubleBuffer().get(); break;
+ }
+ }
+
+ void asViewPutOne(ByteBuffer b, PrimitiveType t) {
+ switch (t) {
+ case BYTE: b.put((byte)0); break;
+ case CHAR: b.asCharBuffer().put('0'); break;
+ case SHORT: b.asShortBuffer().put((short)0); break;
+ case INT: b.asIntBuffer().put(0); break;
+ case LONG: b.asLongBuffer().put(0); break;
+ case FLOAT: b.asFloatBuffer().put(0); break;
+ case DOUBLE: b.asDoubleBuffer().put(0); break;
+ }
+ }
+
+ void getOne(ByteBuffer b, PrimitiveType t, int index) {
+ switch (t) {
+ case BYTE: b.get(index); break;
+ case CHAR: b.getChar(index); break;
+ case SHORT: b.getShort(index); break;
+ case INT: b.getInt(index); break;
+ case LONG: b.getLong(index); break;
+ case FLOAT: b.getFloat(index); break;
+ case DOUBLE: b.getDouble(index); break;
+ }
+ }
+
+ void putOne(ByteBuffer b, PrimitiveType t, int index) {
+ switch (t) {
+ case BYTE: b.put(index, (byte)0); break;
+ case CHAR: b.putChar(index, '0'); break;
+ case SHORT: b.putShort(index, (short)0); break;
+ case INT: b.putInt(index, 0); break;
+ case LONG: b.putLong(index, 0); break;
+ case FLOAT: b.putFloat(index, 0); break;
+ case DOUBLE: b.putDouble(index, 0); break;
+ }
+ }
+
+ void asViewGetOne(Buffer v, PrimitiveType t, int index) {
+ switch (t) {
+ case BYTE: ((ByteBuffer) v).get(index); break;
+ case CHAR: ((CharBuffer) v).get(index); break;
+ case SHORT: ((ShortBuffer) v).get(index); break;
+ case INT: ((IntBuffer) v).get(index); break;
+ case LONG: ((LongBuffer) v).get(index); break;
+ case FLOAT: ((FloatBuffer) v).get(index); break;
+ case DOUBLE: ((DoubleBuffer) v).get(index); break;
+ }
+ }
+
+ void asViewPutOne(Buffer v, PrimitiveType t, int index) {
+ switch (t) {
+ case BYTE: ((ByteBuffer) v).put(index, (byte)0); break;
+ case CHAR: ((CharBuffer) v).put(index, '0'); break;
+ case SHORT: ((ShortBuffer) v).put(index, (short)0); break;
+ case INT: ((IntBuffer) v).put(index, 0); break;
+ case LONG: ((LongBuffer) v).put(index, 0); break;
+ case FLOAT: ((FloatBuffer) v).put(index, 0); break;
+ case DOUBLE: ((DoubleBuffer) v).put(index, 0); break;
+ }
+ }
+
+ void checkBoundaryConditions() {
+ for (int i = 0; i < 100; i++) {
+ int bufSize = random.nextInt(16);
+ ByteBuffer buf = data.buf.isDirect()
+ ? ByteBuffer.allocateDirect(bufSize)
+ : ByteBuffer.allocate(bufSize);
+ for (PrimitiveType t : PrimitiveType.values()) {
+ buf.rewind();
+ Buffer viewBuf = asView(buf, t);
+ for (int j = 0; j < 100; j++) {
+ int offset = random.nextInt(32) - 8;
+ int threw = 0;
+ int checks = 6;
+ try {
+ try {
+ buf.position(offset);
+ getOne(buf, t);
+ }
+ catch (BufferUnderflowException e) {
+ if (offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+ catch (IllegalArgumentException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ buf.position(offset);
+ asViewGetOne(buf, t);
+ }
+ catch (BufferUnderflowException e) {
+ if (offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+ catch (IllegalArgumentException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ buf.position(offset);
+ putOne(buf, t);
+ }
+ catch (BufferOverflowException e) {
+ if (offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+ catch (IllegalArgumentException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ buf.position(offset);
+ asViewPutOne(buf, t);
+ }
+ catch (BufferOverflowException e) {
+ if (offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+ catch (IllegalArgumentException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ putOne(buf, t, offset);
+ }
+ catch (IndexOutOfBoundsException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ getOne(buf, t, offset);
+ }
+ catch (IndexOutOfBoundsException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ // If offset is aligned access using the view
+ if (offset % t.size == 0) {
+ checks = 8;
+ int viewOffset = offset / t.size;
+
+
+ try {
+ asViewPutOne(viewBuf, t, viewOffset);
+ }
+ catch (IndexOutOfBoundsException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+
+ try {
+ asViewGetOne(viewBuf, t, viewOffset);
+ }
+ catch (IndexOutOfBoundsException e) {
+ if (offset >= 0 && offset + t.size < bufSize)
+ throw new RuntimeException
+ ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
+ threw++;
+ }
+ }
+
+ if (threw == 0) {
+ // Make sure that we should not have thrown.
+ if (offset < 0 || offset + t.size > bufSize) {
+ throw new RuntimeException
+ ("should have thrown but did not, type = " + t
+ + ", offset = " + offset + ", bufSize = " + bufSize);
+ }
+ }
+ else if (threw != checks) {
+ // If one of the {get,put} operations threw
+ // due to an invalid offset then all four of
+ // them should have thrown.
+ throw new RuntimeException
+ ("should have thrown but at least one did not, type = " + t
+ + ", offset = " + offset + ", bufSize = " + bufSize);
+ }
+ }
+ catch (Throwable th) {
+ throw new RuntimeException
+ ("unexpected throw: type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, th);
+
+ }
+ }
+ }
+ }
+ }
+
+ public void run() {
+ checkBoundaryConditions();
+
+ for (int i = 0; i < data.capacity(); i += 8) {
+ data.putLong(i, random.nextLong());
+ }
+
+ for (int i = 0; i < iterations; i++) {
+ step(random);
+ }
+
+ if (!Arrays.equals(data.actualArray(), data.expectedArray())) {
+ throw new RuntimeException();
+ }
+ }
+}
--- a/hotspot/test/compiler/intrinsics/unsafe/HeapByteBufferTest.java Fri Jul 15 13:33:44 2016 +0200
+++ b/hotspot/test/compiler/intrinsics/unsafe/HeapByteBufferTest.java Fri Jul 15 12:40:47 2016 +0000
@@ -1,506 +1,41 @@
-//
-// Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
-// Copyright (c) 2015, Red Hat Inc. 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.
-//
-//
-
-import java.nio.BufferOverflowException;
-import java.nio.BufferUnderflowException;
-import java.nio.ByteBuffer;
-import static java.nio.ByteOrder.BIG_ENDIAN;
-import static java.nio.ByteOrder.LITTLE_ENDIAN;
-import java.nio.ByteOrder;
-import java.util.Arrays;
-import java.util.Random;
-import jdk.test.lib.Utils;
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, Red Hat Inc. 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 8026049
+ * @bug 8026049 8151163
* @modules java.base/jdk.internal.misc
* @library /testlibrary
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-UseUnalignedAccesses -Djdk.test.lib.random.seed=0 HeapByteBufferTest
* @run main/othervm -Djdk.test.lib.random.seed=0 HeapByteBufferTest
- * @summary Verify that byte buffers are correctly accessed.
+ * @summary Verify that heap byte buffers are correctly accessed.
*/
-// A wrapper for a ByteBuffer which maintains a backing array and a
-// position. Whenever this wrapper is written the backing array and
-// the wrapped byte buffer are updated together, and whenever it is
-// read we check that the ByteBuffer and the backing array are identical.
-
-class MyByteBuffer {
- final ByteBuffer buf;
- final byte[] bytes;
- int pos;
- ByteOrder byteOrder = BIG_ENDIAN;
-
- MyByteBuffer(ByteBuffer buf, byte[] bytes) {
- this.buf = buf;
- this.bytes = Arrays.copyOf(bytes, bytes.length);
- pos = 0;
- }
-
- public final MyByteBuffer order(ByteOrder bo) {
- byteOrder = bo;
- buf.order(bo);
- return this;
- }
-
- static MyByteBuffer wrap(byte[] bytes) {
- return new MyByteBuffer(ByteBuffer.wrap(bytes), bytes);
- }
-
- int capacity() { return bytes.length; }
- int position() {
- if (buf.position() != pos)
- throw new RuntimeException();
- return buf.position();
- }
-
- byte[] array() { return buf.array(); }
- byte[] backingArray() { return bytes; }
-
- private static byte long7(long x) { return (byte)(x >> 56); }
- private static byte long6(long x) { return (byte)(x >> 48); }
- private static byte long5(long x) { return (byte)(x >> 40); }
- private static byte long4(long x) { return (byte)(x >> 32); }
- private static byte long3(long x) { return (byte)(x >> 24); }
- private static byte long2(long x) { return (byte)(x >> 16); }
- private static byte long1(long x) { return (byte)(x >> 8); }
- private static byte long0(long x) { return (byte)(x ); }
-
- private static byte int3(int x) { return (byte)(x >> 24); }
- private static byte int2(int x) { return (byte)(x >> 16); }
- private static byte int1(int x) { return (byte)(x >> 8); }
- private static byte int0(int x) { return (byte)(x ); }
-
- private static byte short1(short x) { return (byte)(x >> 8); }
- private static byte short0(short x) { return (byte)(x ); }
-
- byte _get(long i) { return bytes[(int)i]; }
- void _put(long i, byte x) { bytes[(int)i] = x; }
-
- private void putLongX(long a, long x) {
- if (byteOrder == BIG_ENDIAN) {
- x = Long.reverseBytes(x);
- }
- _put(a + 7, long7(x));
- _put(a + 6, long6(x));
- _put(a + 5, long5(x));
- _put(a + 4, long4(x));
- _put(a + 3, long3(x));
- _put(a + 2, long2(x));
- _put(a + 1, long1(x));
- _put(a , long0(x));
- }
-
- private void putIntX(long a, int x) {
- if (byteOrder == BIG_ENDIAN) {
- x = Integer.reverseBytes(x);
- }
- _put(a + 3, int3(x));
- _put(a + 2, int2(x));
- _put(a + 1, int1(x));
- _put(a , int0(x));
- }
-
- private void putShortX(int bi, short x) {
- if (byteOrder == BIG_ENDIAN) {
- x = Short.reverseBytes(x);
- }
- _put(bi , short0(x));
- _put(bi + 1, short1(x));
- }
-
- static private int makeInt(byte b3, byte b2, byte b1, byte b0) {
- return (((b3 ) << 24) |
- ((b2 & 0xff) << 16) |
- ((b1 & 0xff) << 8) |
- ((b0 & 0xff) ));
- }
- int getIntX(long a) {
- int x = makeInt(_get(a + 3),
- _get(a + 2),
- _get(a + 1),
- _get(a));
- if (byteOrder == BIG_ENDIAN) {
- x = Integer.reverseBytes(x);
- }
- return x;
- }
-
- static private long makeLong(byte b7, byte b6, byte b5, byte b4,
- byte b3, byte b2, byte b1, byte b0)
- {
- return ((((long)b7 ) << 56) |
- (((long)b6 & 0xff) << 48) |
- (((long)b5 & 0xff) << 40) |
- (((long)b4 & 0xff) << 32) |
- (((long)b3 & 0xff) << 24) |
- (((long)b2 & 0xff) << 16) |
- (((long)b1 & 0xff) << 8) |
- (((long)b0 & 0xff) ));
- }
-
- long getLongX(long a) {
- long x = makeLong(_get(a + 7),
- _get(a + 6),
- _get(a + 5),
- _get(a + 4),
- _get(a + 3),
- _get(a + 2),
- _get(a + 1),
- _get(a));
- if (byteOrder == BIG_ENDIAN) {
- x = Long.reverseBytes(x);
- }
- return x;
- }
-
- static private short makeShort(byte b1, byte b0) {
- return (short)((b1 << 8) | (b0 & 0xff));
- }
-
- short getShortX(long a) {
- short x = makeShort(_get(a + 1),
- _get(a ));
- if (byteOrder == BIG_ENDIAN) {
- x = Short.reverseBytes(x);
- }
- return x;
- }
-
- double getDoubleX(long a) {
- long x = getLongX(a);
- return Double.longBitsToDouble(x);
- }
-
- double getFloatX(long a) {
- int x = getIntX(a);
- return Float.intBitsToFloat(x);
- }
-
- void ck(long x, long y) {
- if (x != y) {
- throw new RuntimeException(" x = " + Long.toHexString(x) + ", y = " + Long.toHexString(y));
- }
- }
-
- void ck(double x, double y) {
- if (x == x && y == y && x != y) {
- ck(x, y);
- }
- }
-
- long getLong(int i) { ck(buf.getLong(i), getLongX(i)); return buf.getLong(i); }
- int getInt(int i) { ck(buf.getInt(i), getIntX(i)); return buf.getInt(i); }
- short getShort(int i) { ck(buf.getShort(i), getShortX(i)); return buf.getShort(i); }
- char getChar(int i) { ck(buf.getChar(i), (char)getShortX(i)); return buf.getChar(i); }
- double getDouble(int i) { ck(buf.getDouble(i), getDoubleX(i)); return buf.getDouble(i); }
- float getFloat(int i) { ck(buf.getFloat(i), getFloatX(i)); return buf.getFloat(i); }
-
- void putLong(int i, long x) { buf.putLong(i, x); putLongX(i, x); }
- void putInt(int i, int x) { buf.putInt(i, x); putIntX(i, x); }
- void putShort(int i, short x) { buf.putShort(i, x); putShortX(i, x); }
- void putChar(int i, char x) { buf.putChar(i, x); putShortX(i, (short)x); }
- void putDouble(int i, double x) { buf.putDouble(i, x); putLongX(i, Double.doubleToRawLongBits(x)); }
- void putFloat(int i, float x) { buf.putFloat(i, x); putIntX(i, Float.floatToRawIntBits(x)); }
-
- long getLong() { ck(buf.getLong(buf.position()), getLongX(pos)); long x = buf.getLong(); pos += 8; return x; }
- int getInt() { ck(buf.getInt(buf.position()), getIntX(pos)); int x = buf.getInt(); pos += 4; return x; }
- short getShort() { ck(buf.getShort(buf.position()), getShortX(pos)); short x = buf.getShort(); pos += 2; return x; }
- char getChar() { ck(buf.getChar(buf.position()), (char)getShortX(pos)); char x = buf.getChar(); pos += 2; return x; }
- double getDouble() { ck(buf.getDouble(buf.position()), getDoubleX(pos)); double x = buf.getDouble(); pos += 8; return x; }
- float getFloat() { ck(buf.getFloat(buf.position()), getFloatX(pos)); float x = buf.getFloat(); pos += 4; return x; }
-
- void putLong(long x) { putLongX(pos, x); pos += 8; buf.putLong(x); }
- void putInt(int x) { putIntX(pos, x); pos += 4; buf.putInt(x); }
- void putShort(short x) { putShortX(pos, x); pos += 2; buf.putShort(x); }
- void putChar(char x) { putShortX(pos, (short)x); pos += 2; buf.putChar(x); }
- void putDouble(double x) { putLongX(pos, Double.doubleToRawLongBits(x)); pos += 8; buf.putDouble(x); }
- void putFloat(float x) { putIntX(pos, Float.floatToRawIntBits(x)); pos += 4; buf.putFloat(x); }
-
- void rewind() { pos = 0; buf.rewind(); }
-}
-
-public class HeapByteBufferTest implements Runnable {
-
- Random random = Utils.getRandomInstance();
- MyByteBuffer data = MyByteBuffer.wrap(new byte[1024]);
-
- int randomOffset(Random r, MyByteBuffer buf, int size) {
- return r.nextInt(buf.capacity() - size);
- }
-
- long iterations;
-
- HeapByteBufferTest(long iterations) {
- this.iterations = iterations;
- }
-
- // The core of the test. Walk over the buffer reading and writing
- // random data, XORing it as we go. We can detect writes in the
- // wrong place, writes which are too long or too short, and reads
- // or writes of the wrong data,
- void step(Random r) {
- data.order((r.nextInt() & 1) != 0 ? BIG_ENDIAN : LITTLE_ENDIAN);
-
- data.rewind();
- while (data.position() < data.capacity())
- data.putLong(data.getLong() ^ random.nextLong());
+public class HeapByteBufferTest extends ByteBufferTest {
- data.rewind();
- while (data.position() < data.capacity())
- data.putInt(data.getInt() ^ random.nextInt());
-
- data.rewind();
- while (data.position() < data.capacity())
- data.putShort((short)(data.getShort() ^ random.nextInt()));
-
- data.rewind();
- while (data.position() < data.capacity())
- data.putChar((char)(data.getChar() ^ random.nextInt()));
-
- data.rewind();
- while (data.position() < data.capacity()) {
- data.putDouble(combine(data.getDouble(), random.nextLong()));
- }
-
- data.rewind();
- while (data.position() < data.capacity())
- data.putFloat(combine(data.getFloat(), random.nextInt()));
-
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 8);
- data.putLong(offset, data.getLong(offset) ^ random.nextLong());
- }
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 4);
- data.putInt(offset, data.getInt(offset) ^ random.nextInt());
- }
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 2);
- data.putShort(offset, (short)(data.getShort(offset) ^ random.nextInt()));
- }
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 2);
- data.putChar(offset, (char)(data.getChar(offset) ^ random.nextInt()));
- }
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 8);
- data.putDouble(offset, combine(data.getDouble(offset), random.nextLong()));
- }
- for (int i = 0; i < 100; i++) {
- int offset = randomOffset(r, data, 4);
- data.putFloat(offset, combine(data.getFloat(offset), random.nextInt()));
- }
- }
-
- // XOR the bit pattern of a double and a long, returning the
- // result as a double.
- //
- // We convert signalling NaNs to quiet NaNs. We need to do this
- // because some platforms (in particular legacy 80x87) do not
- // provide transparent conversions between integer and
- // floating-point types even when using raw conversions but
- // quietly convert sNaN to qNaN. This causes spurious test
- // failures when the template interpreter uses 80x87 and the JITs
- // use XMM registers.
- //
- public double combine(double prev, long bits) {
- bits ^= Double.doubleToRawLongBits(prev);
- double result = Double.longBitsToDouble(bits);
- if (Double.isNaN(result)) {
- result = Double.longBitsToDouble(bits | 0x8000000000000l);
- }
- return result;
- }
-
- // XOR the bit pattern of a float and an int, returning the result
- // as a float. Convert sNaNs to qNaNs.
- public Float combine(float prev, int bits) {
- bits ^= Float.floatToRawIntBits(prev);
- Float result = Float.intBitsToFloat(bits);
- if (Float.isNaN(result)) {
- result = Float.intBitsToFloat(bits | 0x400000);
- }
- return result;
- }
-
- enum PrimitiveType {
- BYTE(1), CHAR(2), SHORT(2), INT(4), LONG(8), FLOAT(4), DOUBLE(8);
-
- public final int size;
- PrimitiveType(int size) {
- this.size = size;
- }
- }
-
- void getOne(ByteBuffer b, PrimitiveType t) {
- switch (t) {
- case BYTE: b.get(); break;
- case CHAR: b.getChar(); break;
- case SHORT: b.getShort(); break;
- case INT: b.getInt(); break;
- case LONG: b.getLong(); break;
- case FLOAT: b.getFloat(); break;
- case DOUBLE: b.getDouble(); break;
- }
- }
-
- void putOne(ByteBuffer b, PrimitiveType t) {
- switch (t) {
- case BYTE: b.put((byte)0); break;
- case CHAR: b.putChar('0'); break;
- case SHORT: b.putShort((short)0); break;
- case INT: b.putInt(0); break;
- case LONG: b.putLong(0); break;
- case FLOAT: b.putFloat(0); break;
- case DOUBLE: b.putDouble(0); break;
- }
- }
-
- void getOne(ByteBuffer b, PrimitiveType t, int index) {
- switch (t) {
- case BYTE: b.get(index); break;
- case CHAR: b.getChar(index); break;
- case SHORT: b.getShort(index); break;
- case INT: b.getInt(index); break;
- case LONG: b.getLong(index); break;
- case FLOAT: b.getFloat(index); break;
- case DOUBLE: b.getDouble(index); break;
- }
- }
-
- void putOne(ByteBuffer b, PrimitiveType t, int index) {
- switch (t) {
- case BYTE: b.put(index, (byte)0); break;
- case CHAR: b.putChar(index, '0'); break;
- case SHORT: b.putShort(index, (short)0); break;
- case INT: b.putInt(index, 0); break;
- case LONG: b.putLong(index, 0); break;
- case FLOAT: b.putFloat(index, 0); break;
- case DOUBLE: b.putDouble(index, 0); break;
- }
- }
-
- void checkBoundaryConditions() {
- for (int i = 0; i < 100; i++) {
- int bufSize = random.nextInt(16);
- byte[] bytes = new byte[bufSize];
- ByteBuffer buf = ByteBuffer.wrap(bytes);
- for (int j = 0; j < 100; j++) {
- int offset = random.nextInt(32) - 8;
- for (PrimitiveType t : PrimitiveType.values()) {
- int threw = 0;
- try {
- try {
- buf.position(offset);
- getOne(buf, t);
- } catch (BufferUnderflowException e) {
- if (offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- } catch (IllegalArgumentException e) {
- if (offset >= 0 && offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- }
-
- try {
- buf.position(offset);
- putOne(buf, t);
- } catch (BufferOverflowException e) {
- if (offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- } catch (IllegalArgumentException e) {
- if (offset >= 0 && offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- }
-
- try {
- putOne(buf, t, offset);
- } catch (IndexOutOfBoundsException e) {
- if (offset >= 0 && offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- }
-
- try {
- getOne(buf, t, offset);
- } catch (IndexOutOfBoundsException e) {
- if (offset >= 0 && offset + t.size < bufSize)
- throw new RuntimeException
- ("type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, e);
- threw++;
- }
-
- if (threw == 0) {
- // Make sure that we should not have thrown.
- if (offset < 0 || offset + t.size > bufSize) {
- throw new RuntimeException
- ("should have thrown but did not, type = " + t
- + ", offset = " + offset + ", bufSize = " + bufSize);
- }
- } else if (threw != 4) {
- // If one of the {get,put} operations threw
- // due to an invalid offset then all four of
- // them should have thrown.
- throw new RuntimeException
- ("should have thrown but at least one did not, type = " + t
- + ", offset = " + offset + ", bufSize = " + bufSize);
- }
- } catch (Throwable th) {
- throw new RuntimeException
- ("unexpected throw: type = " + t + ", offset = " + offset + ", bufSize = " + bufSize, th);
-
- }
- }
- }
- }
- }
-
- public void run() {
- checkBoundaryConditions();
-
- for (int i = 0; i < data.capacity(); i += 8) {
- data.putLong(i, random.nextLong());
- }
-
- for (int i = 0; i < iterations; i++) {
- step(random);
- }
-
- if (!Arrays.equals(data.array(), data.backingArray())) {
- throw new RuntimeException();
- }
+ public HeapByteBufferTest(long iterations, boolean direct) {
+ super(iterations, direct);
}
public static void main(String[] args) {
@@ -510,6 +45,6 @@
if (args.length > 0)
iterations = Long.parseLong(args[0]);
- new HeapByteBufferTest(iterations).run();
+ new HeapByteBufferTest(iterations, false).run();
}
-}
+}
\ No newline at end of file