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-rw-r--r--OpenSim/Data/Tests/DataTestUtil.cs62
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1using System;
2using System.Collections.Generic;
3using System.Text;
4using OpenMetaverse;
5using NUnit.Framework;
6
7namespace OpenSim.Data.Tests
8{
9
10 /// <summary>
11 /// Shared constants and methods for database unit tests.
12 /// </summary>
13 public class DataTestUtil
14 {
15
16 public const uint UNSIGNED_INTEGER_MIN = uint.MinValue;
17 public const uint UNSIGNED_INTEGER_MAX = uint.MaxValue / 2; // NHibernate does not support unsigned integer range.
18
19 public const int INTEGER_MIN = int.MinValue + 1; // Postgresql requires +1 to .NET int.MinValue
20 public const int INTEGER_MAX = int.MaxValue;
21
22 public const float FLOAT_MIN = float.MinValue * (1 - FLOAT_PRECISSION);
23 public const float FLOAT_MAX = float.MaxValue * (1 - FLOAT_PRECISSION);
24 public const float FLOAT_ACCURATE = 1.234567890123456789012f;
25 public const float FLOAT_PRECISSION = 1E-5f; // Native MySQL is severly limited with floating accuracy
26
27 public const double DOUBLE_MIN = -1E52 * (1 - DOUBLE_PRECISSION);
28 public const double DOUBLE_MAX = 1E52 * (1 - DOUBLE_PRECISSION);
29 public const double DOUBLE_ACCURATE = 1.2345678901234567890123456789012345678901234567890123f;
30 public const double DOUBLE_PRECISSION = 1E-14; // Native MySQL is severly limited with double accuracy
31
32 public const string STRING_MIN = "";
33 public static string STRING_MAX(int length)
34 {
35 StringBuilder stringBuilder = new StringBuilder();
36 for (int i = 0; i < length; i++)
37 {
38 stringBuilder.Append(i % 10);
39 }
40 return stringBuilder.ToString();
41 }
42
43 public static UUID UUID_MIN = new UUID("00000000-0000-0000-0000-000000000000");
44 public static UUID UUID_MAX = new UUID("ffffffff-ffff-ffff-ffff-ffffffffffff");
45
46 public const bool BOOLEAN_MIN = false;
47 public const bool BOOLEAN_MAX = true;
48
49 public static void AssertFloatEqualsWithTolerance(float expectedValue, float actualValue)
50 {
51 Assert.GreaterOrEqual(actualValue, expectedValue - Math.Abs(expectedValue) * FLOAT_PRECISSION);
52 Assert.LessOrEqual(actualValue, expectedValue + Math.Abs(expectedValue) * FLOAT_PRECISSION);
53 }
54
55 public static void AssertDoubleEqualsWithTolerance(double expectedValue, double actualValue)
56 {
57 Assert.GreaterOrEqual(actualValue, expectedValue - Math.Abs(expectedValue) * DOUBLE_PRECISSION);
58 Assert.LessOrEqual(actualValue, expectedValue + Math.Abs(expectedValue) * DOUBLE_PRECISSION);
59 }
60
61 }
62}