/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ignite.internal.binary.streams;
import java.util.Random;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Assert;
import static org.apache.ignite.GridTestIoUtils.getCharByByteLE;
import static org.apache.ignite.GridTestIoUtils.getDoubleByByteLE;
import static org.apache.ignite.GridTestIoUtils.getFloatByByteLE;
import static org.apache.ignite.GridTestIoUtils.getIntByByteLE;
import static org.apache.ignite.GridTestIoUtils.getLongByByteLE;
import static org.apache.ignite.GridTestIoUtils.getShortByByteLE;
/**
* Binary input/output streams byte order sanity tests.
*/
public abstract class AbstractBinaryStreamByteOrderSelfTest extends GridCommonAbstractTest {
/** Array length. */
protected static final int ARR_LEN = 16;
/** Rnd. */
private static final Random RND = new Random();
/** Out. */
protected BinaryAbstractOutputStream out;
/** In. */
protected BinaryAbstractInputStream in;
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
super.beforeTest();
init();
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
out.close();
}
/**
* Initializes streams.
*/
protected abstract void init();
/**
* @throws Exception If failed.
*/
public void testShort() throws Exception {
short val = (short)RND.nextLong();
reset();
out.unsafeWriteShort(val);
checkValueLittleEndian(val);
assertEquals(val, in.readShort());
reset();
out.unsafeWriteShort(0, val);
out.shift(2);
checkValueLittleEndian(val);
assertEquals(val, in.readShortFast());
reset();
out.writeShortFast(val);
out.shift(2);
checkValueLittleEndian(val);
assertEquals(val, in.readShortPositioned(0));
reset();
out.writeShort(val);
checkValueLittleEndian(val);
assertEquals(val, in.readShortPositioned(0));
reset();
out.writeShort(0, val);
out.shift(2);
checkValueLittleEndian(val);
assertEquals(val, in.readShortPositioned(0));
}
/**
* @throws Exception If failed.
*/
public void testShortArray() throws Exception {
short[] arr = new short[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = (short)RND.nextLong();
out.writeShortArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getShortByByteLE(outArr, i * 2));
Assert.assertArrayEquals(arr, in.readShortArray(ARR_LEN));
}
/**
* @throws Exception If failed.
*/
public void testChar() throws Exception {
char val = (char)RND.nextLong();
reset();
out.unsafeWriteChar(val);
checkValueLittleEndian(val);
assertEquals(val, in.readChar());
reset();
out.writeCharFast(val);
out.shift(2);
checkValueLittleEndian(val);
assertEquals(val, in.readCharFast());
reset();
out.writeChar(val);
checkValueLittleEndian(val);
assertEquals(val, in.readChar());
}
/**
* @throws Exception If failed.
*/
public void testCharArray() throws Exception {
char[] arr = new char[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = (char)RND.nextLong();
out.writeCharArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getCharByByteLE(outArr, i * 2));
Assert.assertArrayEquals(arr, in.readCharArray(ARR_LEN));
}
/**
* @throws Exception If failed.
*/
public void testInt() throws Exception {
int val = RND.nextInt();
reset();
out.unsafeWriteInt(val);
checkValueLittleEndian(val);
assertEquals(val, in.readInt());
reset();
out.unsafeWriteInt(0, val);
out.shift(4);
checkValueLittleEndian(val);
assertEquals(val, in.readIntFast());
reset();
out.writeIntFast(val);
out.shift(4);
checkValueLittleEndian(val);
assertEquals(val, in.readIntPositioned(0));
reset();
out.writeInt(val);
checkValueLittleEndian(val);
assertEquals(val, in.readIntPositioned(0));
reset();
out.writeInt(0, val);
out.shift(4);
checkValueLittleEndian(val);
assertEquals(val, in.readIntPositioned(0));
reset();
out.writeIntArray(new int[] {val});
checkValueLittleEndian(val);
assertEquals(val, in.readIntArray(1)[0]);
}
/**
* @throws Exception If failed.
*/
public void testIntArray() throws Exception {
int[] arr = new int[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = RND.nextInt();
out.writeIntArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getIntByByteLE(outArr, i * 4));
Assert.assertArrayEquals(arr, in.readIntArray(ARR_LEN));
}
/**
* @throws Exception If failed.
*/
public void testLong() throws Exception {
long val = RND.nextLong();
reset();
out.unsafeWriteLong(val);
checkValueLittleEndian(val);
assertEquals(val, in.readLong());
reset();
out.writeLongFast(val);
out.shift(8);
checkValueLittleEndian(val);
assertEquals(val, in.readLongFast());
reset();
out.writeLong(val);
checkValueLittleEndian(val);
assertEquals(val, in.readLong());
reset();
out.writeLongArray(new long[] {val});
checkValueLittleEndian(val);
assertEquals(val, in.readLongArray(1)[0]);
}
/**
* @throws Exception If failed.
*/
public void testLongArray() throws Exception {
long[] arr = new long[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = RND.nextLong();
out.writeLongArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getLongByByteLE(outArr, i * 8));
Assert.assertArrayEquals(arr, in.readLongArray(ARR_LEN));
}
/**
* @throws Exception If failed.
*/
public void testFloat() throws Exception {
float val = RND.nextFloat();
reset();
out.unsafeWriteFloat(val);
checkValueLittleEndian(val);
assertEquals(val, in.readFloat(), 0);
reset();
out.writeFloat(val);
checkValueLittleEndian(val);
assertEquals(val, in.readFloat(), 0);
reset();
out.writeFloatArray(new float[] {val});
checkValueLittleEndian(val);
assertEquals(val, in.readFloatArray(1)[0], 0);
}
/**
* @throws Exception If failed.
*/
public void testFloatArray() throws Exception {
float[] arr = new float[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = RND.nextFloat();
out.writeFloatArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getFloatByByteLE(outArr, i * 4), 0);
Assert.assertArrayEquals(arr, in.readFloatArray(ARR_LEN), 0);
}
/**
* @throws Exception If failed.
*/
public void testDouble() throws Exception {
double val = RND.nextDouble();
reset();
out.unsafeWriteDouble(val);
checkValueLittleEndian(val);
assertEquals(val, in.readDouble(), 0);
reset();
out.writeDouble(val);
checkValueLittleEndian(val);
assertEquals(val, in.readDouble(), 0);
reset();
out.writeDoubleArray(new double[] {val});
checkValueLittleEndian(val);
assertEquals(val, in.readDoubleArray(1)[0], 0);
}
/**
* @throws Exception If failed.
*/
public void testDoubleArray() throws Exception {
double[] arr = new double[ARR_LEN];
for (int i = 0; i < ARR_LEN; i++)
arr[i] = RND.nextDouble();
out.writeDoubleArray(arr);
byte[] outArr = array();
for (int i = 0; i < ARR_LEN; i++)
assertEquals(arr[i], getDoubleByByteLE(outArr, i * 8), 0);
Assert.assertArrayEquals(arr, in.readDoubleArray(ARR_LEN), 0);
}
/**
*
*/
private void reset() {
in.position(0);
out.position(0);
}
/**
*
*/
private byte[] array() {
return out.array();
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(short exp) {
byte[] arr = array();
assertEquals(exp, getShortByByteLE(arr));
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(char exp) {
byte[] arr = array();
assertEquals(exp, getCharByByteLE(arr));
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(int exp) {
byte[] arr = array();
assertEquals(exp, getIntByByteLE(arr));
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(long exp) {
byte[] arr = array();
assertEquals(exp, getLongByByteLE(arr));
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(float exp) {
byte[] arr = array();
assertEquals(exp, getFloatByByteLE(arr), 0);
}
/**
* @param exp Expected.
*/
private void checkValueLittleEndian(double exp) {
byte[] arr = array();
assertEquals(exp, getDoubleByByteLE(arr), 0);
}
}