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* ownership. Elasticsearch 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
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package org.elasticsearch.common.unit;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.is;
public class SizeValueTests extends ESTestCase {
public void testThatConversionWorks() {
SizeValue sizeValue = new SizeValue(1000);
assertThat(sizeValue.kilo(), is(1L));
assertThat(sizeValue.toString(), is("1k"));
sizeValue = new SizeValue(1000, SizeUnit.KILO);
assertThat(sizeValue.singles(), is(1000000L));
assertThat(sizeValue.toString(), is("1m"));
sizeValue = new SizeValue(1000, SizeUnit.MEGA);
assertThat(sizeValue.singles(), is(1000000000L));
assertThat(sizeValue.toString(), is("1g"));
sizeValue = new SizeValue(1000, SizeUnit.GIGA);
assertThat(sizeValue.singles(), is(1000000000000L));
assertThat(sizeValue.toString(), is("1t"));
sizeValue = new SizeValue(1000, SizeUnit.TERA);
assertThat(sizeValue.singles(), is(1000000000000000L));
assertThat(sizeValue.toString(), is("1p"));
sizeValue = new SizeValue(1000, SizeUnit.PETA);
assertThat(sizeValue.singles(), is(1000000000000000000L));
assertThat(sizeValue.toString(), is("1000p"));
}
public void testThatParsingWorks() {
assertThat(SizeValue.parseSizeValue("1k").toString(), is(new SizeValue(1000).toString()));
assertThat(SizeValue.parseSizeValue("1p").toString(), is(new SizeValue(1, SizeUnit.PETA).toString()));
assertThat(SizeValue.parseSizeValue("1G").toString(), is(new SizeValue(1, SizeUnit.GIGA).toString()));
}
public void testThatNegativeValuesThrowException() {
try {
new SizeValue(-1);
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage(), containsString("may not be negative"));
}
}
public void testCompareEquality() {
long randomValue = randomNonNegativeLong();
SizeUnit randomUnit = randomFrom(SizeUnit.values());
SizeValue firstValue = new SizeValue(randomValue, randomUnit);
SizeValue secondValue = new SizeValue(randomValue, randomUnit);
assertEquals(0, firstValue.compareTo(secondValue));
}
public void testCompareValue() {
long firstRandom = randomNonNegativeLong();
long secondRandom = randomValueOtherThan(firstRandom, ESTestCase::randomNonNegativeLong);
SizeUnit unit = randomFrom(SizeUnit.values());
SizeValue firstSizeValue = new SizeValue(firstRandom, unit);
SizeValue secondSizeValue = new SizeValue(secondRandom, unit);
assertEquals(firstRandom > secondRandom, firstSizeValue.compareTo(secondSizeValue) > 0);
assertEquals(secondRandom > firstRandom, secondSizeValue.compareTo(firstSizeValue) > 0);
}
public void testCompareUnits() {
long number = randomNonNegativeLong();
SizeUnit randomUnit = randomValueOtherThan(SizeUnit.PETA, ()->randomFrom(SizeUnit.values()));
SizeValue firstValue = new SizeValue(number, randomUnit);
SizeValue secondValue = new SizeValue(number, SizeUnit.PETA);
assertTrue(firstValue.compareTo(secondValue) < 0);
assertTrue(secondValue.compareTo(firstValue) > 0);
}
public void testConversionHashCode() {
SizeValue firstValue = new SizeValue(randomIntBetween(0, Integer.MAX_VALUE), SizeUnit.GIGA);
SizeValue secondValue = new SizeValue(firstValue.getSingles(), SizeUnit.SINGLE);
assertEquals(firstValue.hashCode(), secondValue.hashCode());
}
}