cloudstack/utils/test/com/cloud/utils/NumbersUtilTest.java

48 lines
1.8 KiB
Java

// 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((long) (1024 * 1024 * 1024)));
assertEquals("1.00 MB",
NumbersUtil.toReadableSize((long) (1024 * 1024)));
assertEquals("1.00 KB", NumbersUtil.toReadableSize((long) (1024)));
assertEquals("1023 bytes", NumbersUtil.toReadableSize((long) (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 }));
}
}