Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/277#discussion_r87527053
--- Diff:
core/src/test/java/org/apache/carbondata/core/util/ValueCompressionUtilTest.java
---
@@ -0,0 +1,546 @@
+/*
+ * 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.carbondata.core.util;
+
+import
org.apache.carbondata.core.datastorage.store.compression.ValueCompressonHolder;
+import org.apache.carbondata.core.datastorage.store.compression.type.*;
+import org.junit.Test;
+
+import java.nio.ByteBuffer;
+
+import static junit.framework.TestCase.*;
+import static
org.apache.carbondata.core.util.ValueCompressionUtil.DataType;
+
+public class ValueCompressionUtilTest {
+
+ @Test
+ public void testGetSize() {
+ DataType[] dataTypes =
{DataType.DATA_BIGINT,DataType.DATA_INT,DataType.DATA_BYTE,DataType.DATA_SHORT,DataType.DATA_FLOAT};
+ int[] expectedSizes = {8,4,1,2,4};
+ for(int i =0; i < dataTypes.length; i++) {
+
assertEquals(expectedSizes[i],ValueCompressionUtil.getSize(dataTypes[i]));
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataInt() {
+ double[] values = {20.121,21.223,22.345};
+ int[] result = (int[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_INT,22.3,3);
+ int[] expectedResult = {2,1,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataByte() {
+ double[] values = {20.121,21.223,22.345};
+ byte[] result = (byte[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_BYTE,22.345,3);
+ byte[] expectedResult = {2,1,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataShort() {
+ double[] values = {200.121,21.223,22.345};
+ short[] result = (short[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_SHORT,22.345,3);
+ short[] expectedResult = {-177,1,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataLong() {
+ double[] values = {20.121,21.223,22.345};
+ long[] result = (long[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_LONG,22.345,3);
+ long[] expectedResult = {2,1,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataFloat() {
+ double[] values = {20.121,21.223,22.345};
+ float[] result = (float[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_FLOAT,22.345,3);
+ float[] expectedResult = {2.224f,1.122f,0f};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMin_MaxForDataDouble() {
+ double[] values = {20.121,21.223,22.345};
+ double[] result = (double[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN,values,DataType.DATA_DOUBLE,102.345,3);
+ double[] expectedResult = {82.224,81.122,80.0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForBigInt(){
+ double[] values = {20.121,21.223,22.345};
+ long[] result = (long[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_BIGINT,22,3);
+ long[] expectedResult = {20,21,22};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataByte(){
+ double[] values = {20.121,21.223,22.345};
+ byte[] result = (byte[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_BYTE,22,3);
+ byte[] expectedResult = {20,21,22};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataShort(){
+ double[] values = {200000.166,21.287,22.387};
+ short[] result = (short[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_SHORT,22,3);
+ short[] expectedResult = {3392,21,22};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataInt(){
+ double[] values = {20.121,21.223,22.345};
+ int[] result = (int[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_INT,22,3);
+ int[] expectedResult = {20,21,22};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataLong(){
+ double[] values = {20.121,21.223,22.345};
+ long[] result = (long[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_LONG,22,3);
+ long[] expectedResult = {20,21,22};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataFloat(){
+ double[] values = {20.121,21.223,22.345};
+ float[] result = (float[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_FLOAT,22,3);
+ float[] expectedResult = {20.121f,21.223f,22.345f};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNoneForDataDouble(){
+ double[] values = {20.121,21.223,22.345};
+ double[] result = (double[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NONE,values,DataType.DATA_DOUBLE,22,3);
+ double[] expectedResult = {20.121,21.223,22.345};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForFloat(){
+ double[] values = {20.1,21.2,22.3};
+ float[] result = (float[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_FLOAT,22,1);
+ float[] expectedResult = {201f,212f,223f};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForByte(){
+ double[] values = {20.1,21.2,22.3};
+ byte[] result = (byte[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_BYTE,22,1);
+ byte[] expectedResult = {-55,-44,-33};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForShort(){
+ double[] values = {20.1,21.2,22.3};
+ short[] result = (short[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_SHORT,22,1);
+ short[] expectedResult = {201,212,223};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForInt(){
+ double[] values = {20.1,21.2,22.3};
+ int[] result = (int[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_INT,22,1);
+ int[] expectedResult = {201,212,223};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForLong(){
+ double[] values = {20.1,21.2,22.3};
+ long[] result = (long[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_LONG,22,1);
+ long[] expectedResult = {201,212,223};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeNon_DecimalForDouble(){
+ double[] values = {20.1,21.2,22.3};
+ double[] result = (double[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.NON_DECIMAL_CONVERT,values,DataType.DATA_DOUBLE,22,1);
+ double[] expectedResult = {201,212,223};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForByte(){
+ double[] values = {20.1,21.2,22.3};
+ byte[] result = (byte[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_BYTE,22,1);
+ byte[] expectedResult = {19,8,-3};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForInt(){
+ double[] values = {20.1,21.2,22.3};
+ int[] result = (int[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_INT,22.3,1);
+ int[] expectedResult = {22,11,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForDouble(){
+ double[] values = {20.1,21.2,22.3};
+ double[] result = (double[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_DOUBLE,22.3,1);
+ double[] expectedResult = {22,11,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForShort(){
+ double[] values = {20000.1,21.2,22.3};
+ short[] result = (short[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_SHORT,22.3,1);
+ short[] expectedResult = {-3170,11,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForLong(){
+ double[] values = {20.1,21.2,22.3};
+ long[] result = (long[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_LONG,22.3,1);
+ long[] expectedResult = {22,11,0};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void
testToGetCompressedValuesWithCompressionTypeMax_Min_NDCForFloat(){
+ double[] values = {20.1,21.2,22.3};
+ float[] result = (float[])
ValueCompressionUtil.getCompressedValues(ValueCompressionUtil.COMPRESSION_TYPE.MAX_MIN_NDC,values,DataType.DATA_FLOAT,22.3,1);
+ float[] expectedResult = {22f,11f,0f};
+ for(int i=0; i < values.length; i++) {
+ assertEquals(result[i], expectedResult[i]);
+ }
+ }
+
+ @Test
+ public void testToUnCompressNone(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_BIGINT,DataType.DATA_BIGINT);
+ assertEquals(result.getClass(), UnCompressDefaultLong.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForByte(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_BYTE,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneByte.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForLong(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_LONG,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneLong.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForShort(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_SHORT,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneShort.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForFloat(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_FLOAT,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneFloat.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForInt(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_INT,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneInt.class);
+ }
+
+ @Test
+ public void testToUnCompressNoneForDouble(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNone(DataType.DATA_DOUBLE,DataType.DATA_FLOAT);
+ assertEquals(result.getClass(), UnCompressNoneDefault.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForDouble(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_DOUBLE,null);
+ assertEquals(result.getClass(), UnCompressMaxMinDefault.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForInt(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_INT,null);
+ assertEquals(result.getClass(), UnCompressMaxMinInt.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForFloat(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_FLOAT,null);
+ assertEquals(result.getClass(), UnCompressMaxMinFloat.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForLong(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_LONG,null);
+ assertEquals(result.getClass(), UnCompressMaxMinLong.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForByte(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_BYTE,null);
+ assertEquals(result.getClass(), UnCompressMaxMinByte.class);
+ }
+
+ @Test
+ public void testToUnCompressMaxMinForShort(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressMaxMin(DataType.DATA_SHORT,null);
+ assertEquals(result.getClass(), UnCompressMaxMinShort.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForDouble(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_DOUBLE,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalDefault.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForInt(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_INT,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalInt.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForFloat(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_FLOAT,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalFloat.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForLong(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_LONG,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalLong.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForByte(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_BYTE,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalByte.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalForShort(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimal(DataType.DATA_SHORT,null);
+ assertEquals(result.getClass(), UnCompressNonDecimalShort.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForDouble(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_DOUBLE,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinDefault.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForInt(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_INT,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinInt.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForFloat(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_FLOAT,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinFloat.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForLong(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_LONG,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinLong.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForByte(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_BYTE,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinByte.class);
+ }
+
+ @Test
+ public void testToUnCompressNonDecimalMaxMinForShort(){
+ ValueCompressonHolder.UnCompressValue result =
ValueCompressionUtil.unCompressNonDecimalMaxMin(DataType.DATA_SHORT,null);
+ assertEquals(result.getClass(),
UnCompressNonDecimalMaxMinShort.class);
+ }
+
+ @Test
+ public void testToConvertToBytesForInt() {
+ int[] input = {120000,200000,300000};
+ byte[] result = ValueCompressionUtil.convertToBytes(input);
+ byte[] expectedResult = {0,1,-44};
+ for(int i = 0; i < input.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToInt() {
+ ByteBuffer byteBuffer = ByteBuffer.allocate(4);
+ byteBuffer.putInt(123);
+ int[] result =
ValueCompressionUtil.convertToIntArray(byteBuffer,4);
+ int[] expectedResult = {123};
+ for(int i = 0; i < result.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToBytesForFloat() {
+ float[] input = {120.001f,200.012f,300.123f};
+ byte[] result = ValueCompressionUtil.convertToBytes(input);
+ byte[] expectedResult = {66,-16,0};
+ for(int i = 0; i < input.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToFloat() {
+ ByteBuffer byteBuffer = ByteBuffer.allocate(4);
+ byteBuffer.putFloat(123.23f);
+ float[] result =
ValueCompressionUtil.convertToFloatArray(byteBuffer,4);
+ float[] expectedResult = {123.23f};
+ for(int i = 0; i < result.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToBytesForShort() {
+ short[] input = {20000,30000,23};
+ byte[] result = ValueCompressionUtil.convertToBytes(input);
+ byte[] expectedResult = {78,32,117};
+ for(int i = 0; i < input.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToShort() {
+ ByteBuffer byteBuffer = ByteBuffer.allocate(2);
+ byteBuffer.putShort((short) 3);
+ short[] result =
ValueCompressionUtil.convertToShortArray(byteBuffer,2);
+ short[] expectedResult = {3};
+ for(int i = 0; i < result.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToBytesForLong() {
+ long[] input = {2000000,300654,236544};
+ byte[] result = ValueCompressionUtil.convertToBytes(input);
+ byte[] expectedResult = {0,0,0};
+ for(int i = 0; i < input.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToLong() {
+ ByteBuffer byteBuffer = ByteBuffer.allocate(8);
+ byteBuffer.putLong(321654987);
+ long[] result =
ValueCompressionUtil.convertToLongArray(byteBuffer,8);
+ long[] expectedResult = {321654987};
+ for(int i = 0; i < result.length; i++) {
+ assertEquals(expectedResult[i], result[i]);
+ }
+ }
+
+ @Test
+ public void testToConvertToBytesForDouble() {
+ double[] input = {20.236,300.001,23.558};
+ byte[] result = ValueCompressionUtil.convertToBytes(input);
+ byte[] expectedResult = {64,52,60};
--- End diff --
It seems comparison is not proper
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