summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/test/mask_compare.c
blob: 738b0082dd7738faf755512f1c9368f33e2dcdfe (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
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
/* SPDX-License-Identifier: Apache-2.0
 * Copyright(c) 2021 Cisco Systems, Inc.
 */

#include <vppinfra/format.h>
#include <vppinfra/test/test.h>
#include <vppinfra/vector/mask_compare.h>

__test_funct_fn void
clib_mask_compare_u16_wrapper (u16 v, u16 *a, u64 *mask, u32 n_elts)
{
  clib_mask_compare_u16 (v, a, mask, n_elts);
}

__test_funct_fn void
clib_mask_compare_u32_wrapper (u32 v, u32 *a, u64 *mask, u32 n_elts)
{
  clib_mask_compare_u32 (v, a, mask, n_elts);
}

__test_funct_fn void
clib_mask_compare_u64_wrapper (u64 v, u64 *a, u64 *mask, u64 n_elts)
{
  clib_mask_compare_u64 (v, a, mask, n_elts);
}

static clib_error_t *
test_clib_mask_compare_u16 (clib_error_t *err)
{
  u16 array[513];
  u64 mask[10];
  u32 i, j;

  for (i = 0; i < ARRAY_LEN (array); i++)
    array[i] = i;

  for (i = 0; i < ARRAY_LEN (array); i++)
    {
      for (j = 0; j < ARRAY_LEN (mask); j++)
	mask[j] = 0xa5a5a5a5a5a5a5a5;

      clib_mask_compare_u16_wrapper (i, array, mask, i + 1);

      for (j = 0; j < (i >> 6); j++)
	{
	  if (mask[j])
	    return clib_error_return (err, "mask at position %u not zero", j);
	}
      if (mask[j] != 1ULL << (i & 0x3f))
	return clib_error_return (err,
				  "mask at position %u is %lx, expected %lx",
				  j, mask[j], 1ULL << (i % 64));

      if (mask[j + 1] != 0xa5a5a5a5a5a5a5a5)
	return clib_error_return (err, "mask overrun at position %u", j + 1);
    }
  return err;
}

REGISTER_TEST (clib_mask_compare_u16) = {
  .name = "clib_mask_compare_u16",
  .fn = test_clib_mask_compare_u16,
};

static clib_error_t *
test_clib_mask_compare_u32 (clib_error_t *err)
{
  u32 array[513];
  u64 mask[10];
  u32 i, j;

  for (i = 0; i < ARRAY_LEN (array); i++)
    array[i] = i;

  for (i = 0; i < ARRAY_LEN (array); i++)
    {
      for (j = 0; j < ARRAY_LEN (mask); j++)
	mask[j] = 0xa5a5a5a5a5a5a5a5;

      clib_mask_compare_u32_wrapper (i, array, mask, i + 1);

      for (j = 0; j < (i >> 6); j++)
	{
	  if (mask[j])
	    return clib_error_return (err, "mask at position %u not zero", j);
	}
      if (mask[j] != 1ULL << (i & 0x3f))
	return clib_error_return (err,
				  "mask at position %u is %lx, expected %lx",
				  j, mask[j], 1ULL << (i % 64));

      if (mask[j + 1] != 0xa5a5a5a5a5a5a5a5)
	return clib_error_return (err, "mask overrun at position %u", j + 1);
    }
  return err;
}

REGISTER_TEST (clib_mask_compare_u32) = {
  .name = "clib_mask_compare_u32",
  .fn = test_clib_mask_compare_u32,
};

static clib_error_t *
test_clib_mask_compare_u64 (clib_error_t *err)
{
  u64 array[513];
  u64 mask[10];
  u32 i, j;

  for (i = 0; i < ARRAY_LEN (array); i++)
    array[i] = i;

  for (i = 0; i < ARRAY_LEN (array); i++)
    {
      for (j = 0; j < ARRAY_LEN (mask); j++)
	mask[j] = 0xa5a5a5a5a5a5a5a5;

      clib_mask_compare_u64_wrapper (i, array, mask, i + 1);

      for (j = 0; j < (i >> 6); j++)
	{
	  if (mask[j])
	    return clib_error_return (err, "mask at position %u not zero", j);
	}
      if (mask[j] != 1ULL << (i & 0x3f))
	return clib_error_return (err,
				  "mask at position %u is %lx, expected %lx",
				  j, mask[j], 1ULL << (i % 64));

      if (mask[j + 1] != 0xa5a5a5a5a5a5a5a5)
	return clib_error_return (err, "mask overrun at position %u", j + 1);
    }
  return err;
}

REGISTER_TEST (clib_mask_compare_u64) = {
  .name = "clib_mask_compare_u64",
  .fn = test_clib_mask_compare_u64,
};