/*
* 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();
}
}
}