/**
* 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.tajo.util;
import org.apache.commons.lang.StringUtils;
import org.junit.Test;
import static org.junit.Assert.*;
public class TestBytes {
@Test
public void testAsciiBytes() {
String asciiText = "abcde 12345 ABCDE";
assertArrayEquals(asciiText.getBytes(), Bytes.toASCIIBytes(asciiText.toCharArray()));
}
@Test
public void testSplitBytes() {
String text = "abcde|12345|ABCDE";
char separatorChar = '|';
String[] textArray = StringUtils.splitPreserveAllTokens(text, separatorChar);
byte[][] bytesArray = Bytes.splitPreserveAllTokens(text.getBytes(), separatorChar);
assertEquals(textArray.length, bytesArray.length);
for (int i = 0; i < textArray.length; i++){
assertArrayEquals(textArray[i].getBytes(), bytesArray[i]);
}
}
@Test
public void testSplitProjectionBytes() {
String text = "abcde|12345|ABCDE";
int[] target = new int[]{ 1 };
char separatorChar = '|';
String[] textArray = StringUtils.splitPreserveAllTokens(text, separatorChar);
byte[][] bytesArray = Bytes.splitPreserveAllTokens(text.getBytes(), separatorChar, target);
assertEquals(textArray.length, bytesArray.length);
assertNull(bytesArray[0]);
assertNotNull(bytesArray[1]);
assertArrayEquals(textArray[1].getBytes(), bytesArray[1]);
assertNull(bytesArray[2]);
}
@Test
public void testParseInt() {
int int1 = 0;
byte[] bytes1 = Double.toString(int1).getBytes();
assertEquals(int1, Bytes.parseInt(bytes1, 0, bytes1.length));
int int2 = -7;
byte[] bytes2 = Double.toString(int2).getBytes();
assertEquals(int2, Bytes.parseInt(bytes2, 0, bytes2.length));
int int3 = +128;
byte[] bytes3 = Double.toString(int3).getBytes();
assertEquals(int3, Bytes.parseInt(bytes3, 0, bytes3.length));
int int4 = 4;
byte[] bytes4 = Double.toString(int4).getBytes();
assertEquals(int4, Bytes.parseInt(bytes4, 0, bytes4.length));
byte[] bytes5 = "0123-456789".getBytes();
assertEquals(-456, Bytes.parseInt(bytes5, 4, 4));
}
@Test
public void testParseDouble() {
double double1 = 2.0015E7;
byte[] bytes1 = Double.toString(double1).getBytes();
assertEquals(double1, Bytes.parseDouble(bytes1, 0, bytes1.length), 0.0);
double double2 = 1.345E-7;
byte[] bytes2 = Double.toString(double2).getBytes();
assertEquals(double2, Bytes.parseDouble(bytes2, 0, bytes2.length), 0.0);
double double3 = -1.345E-7;
byte[] bytes3 = Double.toString(double3).getBytes();
assertEquals(double3, Bytes.parseDouble(bytes3, 0, bytes3.length), 0.0);
double double4 = 4;
byte[] bytes4 = Double.toString(double4).getBytes();
assertEquals(double4, Bytes.parseDouble(bytes4, 0, bytes4.length), 0.0);
byte[] bytes5 = "0123456789.012345E012345".getBytes();
assertEquals(6789.012345E01, Bytes.parseDouble(bytes5, 6, 14), 0.0);
}
}