// 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

// 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 com.cloud.utils;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

public class NumbersUtilTest {

@Test

public void toReadableSize() {

assertEquals("1.0000 TB", NumbersUtil.toReadableSize((1024l * 1024l * 1024l * 1024l)));

assertEquals("1.00 GB", NumbersUtil.toReadableSize(1024 * 1024 * 1024));

assertEquals("1.00 MB", NumbersUtil.toReadableSize(1024 * 1024));

assertEquals("1.00 KB", NumbersUtil.toReadableSize((1024)));

assertEquals("1023 bytes", NumbersUtil.toReadableSize((1023)));

}

@Test

public void bytesToLong() {

assertEquals(0, NumbersUtil.bytesToLong(new byte[] {0, 0, 0, 0, 0, 0, 0, 0}));

assertEquals(1, NumbersUtil.bytesToLong(new byte[] {0, 0, 0, 0, 0, 0, 0, 1}));

assertEquals(257, NumbersUtil.bytesToLong(new byte[] {0, 0, 0, 0, 0, 0, 1, 1}));

}

}