| /* |
| * 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.iotdb.tsfile.utils; |
| |
| import org.apache.iotdb.tsfile.constant.TestConstant; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class FileUtilsTest { |
| |
| @Test |
| public void testConvertUnit() { |
| long kb = 3 * 1024; |
| long mb = kb * 1024; |
| long gb = mb * 1024; |
| Assert.assertEquals( |
| 3.0 * 1024, FileUtils.transformUnit(kb, FileUtils.Unit.B), TestConstant.double_min_delta); |
| assertEquals(3, FileUtils.transformUnit(kb, FileUtils.Unit.KB), TestConstant.double_min_delta); |
| |
| assertEquals(3, FileUtils.transformUnit(mb, FileUtils.Unit.MB), TestConstant.double_min_delta); |
| assertEquals(3, FileUtils.transformUnit(gb, FileUtils.Unit.GB), TestConstant.double_min_delta); |
| } |
| |
| @Test |
| public void testConvertToByte() { |
| assertEquals(3l, (long) FileUtils.transformUnitToByte(3, FileUtils.Unit.B)); |
| assertEquals(3l * 1024, (long) FileUtils.transformUnitToByte(3, FileUtils.Unit.KB)); |
| assertEquals(3l * 1024 * 1024, (long) FileUtils.transformUnitToByte(3, FileUtils.Unit.MB)); |
| assertEquals( |
| 3l * 1024 * 1024 * 1024, (long) FileUtils.transformUnitToByte(3, FileUtils.Unit.GB)); |
| } |
| } |