aboutsummaryrefslogtreecommitdiffstats
path: root/src/vppinfra/test/array_mask.c
blob: 4d8fc7c59e22d16cc20d2c90c9d595b4f446386c (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
140
141
142
143
144
145
/* SPDX-License-Identifier: Apache-2.0
 * Copyright(c) 2021 Cisco Systems, Inc.
 */

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

__test_funct_fn void
clib_array_mask_u32_wrapper (u32 *src, u32 mask, u32 n_elts)
{
  clib_array_mask_u32 (src, mask, n_elts);
}

typedef struct
{
  u32 mask;
  u32 expected[256];
} array_mask_test_t;

static array_mask_test_t tests[] = {
  /* mask values 0x1, output array of alternating 0 1 0 1 .. */
  { .mask = 1,
    .expected = { 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
		  0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 } },
  /* mask values 0xFFFFFFFF, output array of 0, 1, 2, .., 255 */
  { .mask = ~0U,
    .expected = { 0,   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, 165, 166, 167,
		  168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
		  180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
		  192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203,
		  204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215,
		  216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
		  228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
		  240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251,
		  252, 253, 254, 255 } },
  /* mask values 0xF, output array of 0, .., 15, 0, .., 15, 0, .., 15 */
  { .mask = 15,
    .expected = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
		  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } },
  /* mask values 0x1, output array of 1, 0, 1, 0,.. */
  { .mask = 1, .expected = { 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 } },
};

static clib_error_t *
test_clib_array_mask_u32 (clib_error_t *err)
{
  u32 i, j, len;
  for (i = 0; i < ARRAY_LEN (tests) - 1; i++)
    {
      u32 src[256];
      for (j = 0; j < ARRAY_LEN (src); j++)
	src[j] = j;

      array_mask_test_t *t = tests + i;
      clib_array_mask_u32_wrapper (src, t->mask, ARRAY_LEN (src));
      for (j = 0; j < ARRAY_LEN (src); j++)
	{
	  if (src[j] != t->expected[j])
	    return clib_error_return (err,
				      "testcase %u failed at "
				      "(src[%u] = 0x%x, expected 0x%x)",
				      i, j, src[j], t->expected[j]);
	}
    }

  for (i = 0; i < ARRAY_LEN (tests) - 1; i++)
    {
      for (len = 1; len <= 256; len++)
	{
	  u32 src[len];
	  for (j = 0; j < ARRAY_LEN (src); j++)
	    src[j] = j;

	  array_mask_test_t *t = tests + i;
	  clib_array_mask_u32_wrapper (src, t->mask, ARRAY_LEN (src));
	  for (j = 0; j < ARRAY_LEN (src); j++)
	    {
	      if (src[j] != t->expected[j])
		return clib_error_return (err,
					  "testcase %u failed at "
					  "(src[%u] = 0x%x, expected 0x%x)",
					  i, j, src[j], t->expected[j]);
	    }
	}
    }

  u32 src[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
  array_mask_test_t *t = tests + i;

  clib_array_mask_u32_wrapper (src, t->mask, ARRAY_LEN (src));
  for (j = 0; j < ARRAY_LEN (src); j++)
    {
      if (src[j] != t->expected[j])
	return clib_error_return (err,
				  "testcase %u failed at "
				  "(src[%u] = 0x%x, expected 0x%x)",
				  i, j, src[j], t->expected[j]);
    }

  return err;
}

REGISTER_TEST (clib_array_mask_u32) = {
  .name = "clib_array_mask_u32",
  .fn = test_clib_array_mask_u32,
};