src/test/java/de/xn__ho_hia/utils/storage_unit/StorageUnitsFormattingTest.java

   1 /*
   2  * This file is part of storage-units. It is subject to the license terms in the LICENSE file found in the top-level
   3  * directory of this distribution and at http://creativecommons.org/publicdomain/zero/1.0/. No part of storage-units,
   4  * including this file, may be copied, modified, propagated, or distributed except according to the terms contained
   5  * in the LICENSE file.
   6  */
   7 package de.xn__ho_hia.utils.storage_unit;
   8
   9 import org.eclipse.jdt.annotation.NonNull;
  10 import org.junit.Assert;
  11 import org.junit.Test;
  12
  13 import de.xn__ho_hia.quality.null_analysis.Nullsafe;
  14 import de.xn__ho_hia.quality.suppression.CompilerWarnings;
  15
  16 /**
  17  * Formatting test cases for the {@link StorageUnits} class.
  18  */
  19 @SuppressWarnings({ CompilerWarnings.NLS, CompilerWarnings.STATIC_METHOD })
  20 public class StorageUnitsFormattingTest {
  21
  22     /**
  23      * Tests the README example
  24      */
  25     @Test
  26     public void shouldFormatReadmeExample() {
  27         // given
  28         final long numberOfBytes = 1_000_000_000_000_000L;
  29
  30         // when
  31         final String formatted = StorageUnits.formatAsTerabyte(numberOfBytes, "#0.#####");
  32
  33         // then
  34         Assert.assertEquals("1000 TB", formatted);
  35     }
  36
  37     /**
  38      * Tests formatting a {@link Long} formatted as Byte.
  39      */
  40     @Test
  41     public void shouldFormatNumberAsBytes() {
  42         // given
  43         @NonNull
  44         final Long numberOfBytes = Nullsafe.asLong(123456L);
  45
  46         // when
  47         final String formatted = StorageUnits.formatAsByte(numberOfBytes);
  48
  49         // then
  50         Assert.assertEquals("123456 B", formatted);
  51     }
  52
  53     /**
  54      * Tests formatting a primitive long formatted as Byte.
  55      */
  56     @Test
  57     public void shouldFormatPrimitiveLongAsBytes() {
  58         // given
  59         final long numberOfBytes = 123456L;
  60
  61         // when
  62         final String formatted = StorageUnits.formatAsByte(numberOfBytes);
  63
  64         // then
  65         Assert.assertEquals("123456 B", formatted);
  66     }
  67
  68 }