← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to unittests/pthread_atomics_test.cc

Merged Drizzle's Trunk.

Show diffs side-by-side

added added

removed removed

Lines of Context:
unittests/pthread_atomics_test.cc
 
1
/* -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
2
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
3
 *
 
4
 *  Copyright (C) 2010 Stewart Smith
 
5
 *
 
6
 *  This program is free software; you can redistribute it and/or modify
 
7
 *  it under the terms of the GNU General Public License as published by
 
8
 *  the Free Software Foundation; either version 2 of the License, or
 
9
 *  (at your option) any later version.
 
10
 *
 
11
 *  This program is distributed in the hope that it will be useful,
 
12
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
13
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
14
 *  GNU General Public License for more details.
 
15
 *
 
16
 *  You should have received a copy of the GNU General Public License
 
17
 *  along with this program; if not, write to the Free Software
 
18
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
19
 */
 
20
 
 
21
#include "config.h"
 
22
 
 
23
#include <gtest/gtest.h>
 
24
 
 
25
# if defined(__SUNPRO_CC)
 
26
#  include <drizzled/atomic/sun_studio.h>
 
27
# endif
 
28
 
 
29
# if !defined(__ICC) && (defined(HAVE_GCC_ATOMIC_BUILTINS) || defined(__SUNPRO_CC))
 
30
#  include <drizzled/atomic/gcc_traits.h>
 
31
#  define ATOMIC_TRAITS internal::gcc_traits
 
32
# else  /* use pthread impl */
 
33
#  define ATOMIC_TRAITS internal::pthread_traits
 
34
# endif
 
35
 
 
36
#include <pthread.h>
 
37
#include <drizzled/atomic/pthread_traits.h>
 
38
 
 
39
#include <drizzled/atomics.h>
 
40
 
 
41
using namespace drizzled;
 
42
 
 
43
template<typename T>
 
44
struct atomic_pthread {
 
45
};
 
46
 
 
47
#   define __DRIZZLE_DECL_ATOMIC_PTHREAD(T)                              \
 
48
  template<> struct atomic_pthread<T>                                   \
 
49
  : internal::atomic_impl<T,T, internal::pthread_traits<T,T> > {         \
 
50
    atomic_pthread<T>()                                                 \
 
51
      : internal::atomic_impl<T,T, internal::pthread_traits<T,T> >() {}  \
 
52
    T operator=( T rhs ) { return store_with_release(rhs); }            \
 
53
  };
 
54
 
 
55
__DRIZZLE_DECL_ATOMIC_PTHREAD(unsigned int)
 
56
 
 
57
TEST(pthread_atomic_operations, fetch_and_store)
 
58
{
 
59
  atomic_pthread<uint32_t> u235;
 
60
 
 
61
  EXPECT_EQ(0, u235.fetch_and_store(1));
 
62
 
 
63
  u235.fetch_and_store(15);
 
64
 
 
65
  EXPECT_EQ(15, u235.fetch_and_store(100));
 
66
  EXPECT_EQ(100, u235);
 
67
}
 
68
 
 
69
TEST(pthread_atomic_operations, fetch_and_increment)
 
70
{
 
71
  atomic_pthread<uint32_t> u235;
 
72
 
 
73
  EXPECT_EQ(0, u235.fetch_and_increment());
 
74
  EXPECT_EQ(1, u235);
 
75
}
 
76
 
 
77
TEST(pthread_atomic_operations, fetch_and_add)
 
78
{
 
79
  atomic_pthread<uint32_t> u235;
 
80
 
 
81
  EXPECT_EQ(0, u235.fetch_and_add(2));
 
82
  EXPECT_EQ(2, u235);
 
83
}
 
84
 
 
85
TEST(pthread_atomic_operations, add_and_fetch)
 
86
{
 
87
  atomic_pthread<uint32_t> u235;
 
88
 
 
89
  EXPECT_EQ(10, u235.add_and_fetch(10));
 
90
  EXPECT_EQ(10, u235);
 
91
}
 
92
 
 
93
TEST(pthread_atomic_operations, fetch_and_decrement)
 
94
{
 
95
  atomic_pthread<uint32_t> u235;
 
96
 
 
97
  u235.fetch_and_store(15);
 
98
 
 
99
  EXPECT_EQ(15, u235.fetch_and_decrement());
 
100
  EXPECT_EQ(14, u235);
 
101
}
 
102
 
 
103
TEST(pthread_atomic_operations, compare_and_swap)
 
104
{
 
105
  atomic_pthread<uint32_t> u235;
 
106
 
 
107
  u235.fetch_and_store(100);
 
108
 
 
109
  EXPECT_EQ(false, u235.compare_and_swap(42, 200));
 
110
  EXPECT_EQ(true, u235.compare_and_swap(200, 100));
 
111
  EXPECT_EQ(200, u235);
 
112
}
 
113
 
 
114
TEST(pthread_atomic_operations, increment)
 
115
{
 
116
  atomic_pthread<uint32_t> u235;
 
117
  u235.fetch_and_store(200);
 
118
  EXPECT_EQ(201, u235.increment());
 
119
}
 
120
 
 
121
TEST(pthread_atomic_operations, decrement)
 
122
{
 
123
  atomic_pthread<uint32_t> u235;
 
124
  u235.fetch_and_store(200);
 
125
 
 
126
  EXPECT_EQ(199, u235.decrement());
 
127
}
 
128
 
 
129
// these don't build for whatever reason
 
130
//  EXPECT_EQ(242, u235+=42);
 
131
//  EXPECT_EQ(200, u235-=42);
 
132
 
 
133
 
 
134