/
Utils.cs
164 lines (133 loc) · 3.21 KB
/
Utils.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
using NUnit.Framework;
using System;
using System.IO;
using System.Text;
namespace ICSharpCode.SharpZipLib.Tests.TestSupport
{
/// <summary>
/// Miscellaneous test utilities.
/// </summary>
public static class Utils
{
public static int DummyContentLength = 16;
private static Random random = new Random();
/// <summary>
/// Returns the system root for the current platform (usually c:\ for windows and / for others)
/// </summary>
public static string SystemRoot { get; } =
Path.GetPathRoot(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData));
private static void Compare(byte[] a, byte[] b)
{
if (a == null)
{
throw new ArgumentNullException(nameof(a));
}
if (b == null)
{
throw new ArgumentNullException(nameof(b));
}
Assert.AreEqual(a.Length, b.Length);
for (int i = 0; i < a.Length; ++i)
{
Assert.AreEqual(a[i], b[i]);
}
}
public static void WriteDummyData(string fileName, int size = -1)
{
using(var fs = File.OpenWrite(fileName))
{
WriteDummyData(fs, size);
}
}
public static void WriteDummyData(Stream stream, int size = -1)
{
var bytes = (size < 0)
? Encoding.ASCII.GetBytes(DateTime.UtcNow.Ticks.ToString("x16"))
: new byte[size];
if(size > 0)
{
random.NextBytes(bytes);
}
stream.Write(bytes, 0, bytes.Length);
}
public static TempFile GetDummyFile(int size = -1)
{
var tempFile = new TempFile();
WriteDummyData(tempFile.Filename, size);
return tempFile;
}
public static string GetDummyFileName()
=> $"{random.Next():x8}{random.Next():x8}{random.Next():x8}";
public class TempFile : IDisposable
{
public string Filename { get; internal set; }
public TempFile()
{
Filename = Path.GetTempFileName();
}
#region IDisposable Support
private bool disposed = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing && File.Exists(Filename))
{
try
{
File.Delete(Filename);
}
catch { }
}
disposed = true;
}
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion IDisposable Support
}
public class TempDir : IDisposable
{
public string Fullpath { get; internal set; }
public TempDir()
{
Fullpath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
Directory.CreateDirectory(Fullpath);
}
#region IDisposable Support
private bool disposed = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing && Directory.Exists(Fullpath))
{
try
{
Directory.Delete(Fullpath, true);
}
catch { }
}
disposed = true;
}
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
internal string CreateDummyFile(int size = -1)
=> CreateDummyFile(GetDummyFileName(), size);
internal string CreateDummyFile(string name, int size = -1)
{
var fileName = Path.Combine(Fullpath, name);
WriteDummyData(fileName, size);
return fileName;
}
#endregion IDisposable Support
}
}
}