ByteSizeValueTests.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright 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
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.test.unit.common.unit;

import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.hamcrest.MatcherAssert;
import org.testng.annotations.Test;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;

/**
 *
 */
public class ByteSizeValueTests {

    @Test
    public void testActual() {
        MatcherAssert.assertThat(new ByteSizeValue(4, ByteSizeUnit.GB).bytes(), equalTo(4294967296l));
    }

    @Test
    public void testSimple() {
        assertThat(ByteSizeUnit.BYTES.toBytes(10), is(new ByteSizeValue(10, ByteSizeUnit.BYTES).bytes()));
        assertThat(ByteSizeUnit.KB.toKB(10), is(new ByteSizeValue(10, ByteSizeUnit.KB).kb()));
        assertThat(ByteSizeUnit.MB.toMB(10), is(new ByteSizeValue(10, ByteSizeUnit.MB).mb()));
        assertThat(ByteSizeUnit.GB.toGB(10), is(new ByteSizeValue(10, ByteSizeUnit.GB).gb()));
    }

    @Test
    public void testToString() {
        assertThat("10b", is(new ByteSizeValue(10, ByteSizeUnit.BYTES).toString()));
        assertThat("1.5kb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.BYTES).toString()));
        assertThat("1.5mb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.KB).toString()));
        assertThat("1.5gb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.MB).toString()));
        assertThat("1536gb", is(new ByteSizeValue((long) (1024 * 1.5), ByteSizeUnit.GB).toString()));
    }
}