blob: 6b49b177c19ff6236c4efce26361c469100292c1 (
plain)
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
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using System;
using System.Threading;
public class ThreadData
{
public AutoResetEvent autoEvent;
public int initialAllocation;
public int result;
public unsafe void Run()
{
autoEvent.WaitOne();
int* buffer = stackalloc int[initialAllocation];
int last = initialAllocation - 1;
buffer[0] = 100;
buffer[last] = 200;
for (int i = 2; i < 1026; i++)
{
result += AllocateMore(i);
}
result += buffer[last] - buffer[0];
}
public unsafe int AllocateMore(int n)
{
int* buffer = stackalloc int[n];
int last = n - 1;
buffer[0] = n + 1;
buffer[last] = n - 1;
return buffer[last] - buffer[0] + 2;
}
}
public class BringUpTest
{
const int Pass = 100;
const int Fail = -1;
public static bool RunTest(int n)
{
ThreadData data = new ThreadData();
data.autoEvent = new AutoResetEvent(false);
data.initialAllocation = n;
Thread t = new Thread(data.Run);
t.Start();
if (!t.IsAlive)
{
return false;
}
data.autoEvent.Set();
t.Join();
bool ok = data.result == 100;
return ok;
}
public static int Main()
{
for (int j = 2; j < 1024 * 100; j += 331)
{
bool b = RunTest(j);
if (!b) return Fail;
}
return Pass;
}
}
|