Mercurial > dovecot > core-2.2

annotate src/lib/test-array.c @ 23007:36e01285b5b8

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lib: buffer - Improve header comment for buffer_insert() and buffer_delete().
author Stephan Bosch <stephan.bosch@dovecot.fi>
date Mon, 18 Mar 2019 00:52:37 +0100
parents cb108f786fb4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cb108f786fb4 Updated copyright notices to include the year 2018.
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1 /* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */
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2
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3 #include "test-lib.h"
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4 #include "array.h"
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5
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6
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7 struct foo {
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8 unsigned int a, b, c;
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9 };
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10
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11 static void test_array_count(void)
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12 {
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13 ARRAY(struct foo) foos;
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14 struct foo nfoo;
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15
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16 test_begin("array count/empty");
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17 t_array_init(&foos, 32);
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18
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19 test_assert(array_count(&foos) == 0);
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20 test_assert(array_is_empty(&foos));
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21 test_assert(!array_not_empty(&foos));
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22 nfoo.a = nfoo.b = nfoo.c = 9;
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23 array_append(&foos, &nfoo, 1);
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24 test_assert(array_count(&foos) == 1);
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25 test_assert(!array_is_empty(&foos));
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26 test_assert(array_not_empty(&foos));
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27
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28 test_end();
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29 }
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30 static void test_array_foreach(void)
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31 {
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32 ARRAY(struct foo) foos;
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33 const struct foo *foo;
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34 struct foo nfoo;
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35 unsigned int i;
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36
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37 test_begin("array foreach");
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38 t_array_init(&foos, 32);
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39 for (i = 0; i < 10; i++) {
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40 nfoo.a = nfoo.b = nfoo.c = i;
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41 array_append(&foos, &nfoo, 1);
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42 }
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43
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44 array_foreach(&foos, foo) {
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45 i = array_foreach_idx(&foos, foo);
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46 test_assert(foo->a == i);
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47 test_assert(foo->b == i);
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48 test_assert(foo->c == i);
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49 }
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50 test_end();
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51 }
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52
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53 static void test_array_swap(void)
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54 {
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55 ARRAY(struct foo) foos[3];
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56 struct foo nfoo;
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57 int i, j;
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58
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59 test_begin("array swap");
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60 for (i = 1; i <= 3; i++) {
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61 t_array_init(&foos[i-1], i);
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62 for (j = 1; j <= 2*i+1; j++) {
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63 nfoo.a = nfoo.b = nfoo.c = j;
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64 array_append(&foos[i-1], &nfoo, 1);
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65 }
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66 }
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67 for (i = 0; i < 1000; i++)
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68 array_swap(&foos[rand()%3], &foos[rand()%3]);
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69 /* Just want size 3, 5, and 7 in any order */
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70 test_assert(array_count(&foos[0]) * array_count(&foos[1]) * array_count(&foos[2]) == 3*5*7);
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71 test_assert(array_count(&foos[0]) + array_count(&foos[1]) + array_count(&foos[2]) == 3+5+7);
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72 test_end();
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73 }
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74
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75 static int test_int_compare(const int *key, const int *elem)
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76 {
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77 return (*key < *elem) ? -1 :
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78 (*key > *elem) ? 1 :
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79 0;
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80 }
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81 static void test_array_reverse(void)
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82 {
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83 ARRAY(int) intarr;
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84 int input[] = { -1234567890, -272585721, 272485922, 824725652 };
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85 const int tmpi = 999, *output;
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86 unsigned int i, j;
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87
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88 test_begin("array reverse");
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89 t_array_init(&intarr, 5);
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90 for (i = 0; i <= N_ELEMENTS(input); i++) {
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91 array_clear(&intarr);
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92 array_append(&intarr, input, i);
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93 array_reverse(&intarr);
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94
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95 output = i == 0 ? NULL : array_idx(&intarr, 0);
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96 for (j = 0; j < i; j++)
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97 test_assert(input[i-j-1] == output[j]);
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98 }
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99 test_end();
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100
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101 test_begin("array_lsearch");
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102 for (i = 0; i < N_ELEMENTS(input); i++) {
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103 output = array_lsearch(&intarr, &input[i], test_int_compare);
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104 test_assert(output != NULL);
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105 j = array_ptr_to_idx(&intarr, output);
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106 test_assert_idx(j == N_ELEMENTS(input) - 1 - i, i);
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107 }
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108 output = array_lsearch(&intarr, &tmpi, test_int_compare);
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109 test_assert(output == NULL);
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110 test_end();
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111 }
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112 static int test_compare_ushort(const unsigned short *c1, const unsigned short *c2)
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113 {
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114 return *c1 > *c2 ? 1
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115 : *c1 < *c2 ? -1
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116 : 0;
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117 }
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118 static int test_compare_ushort_fuzz(const unsigned short *c1, const unsigned short *c2, const int *pfuzz)
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119 {
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120 int d = (int)*c1 - (int)*c2;
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121 if (d <= *pfuzz && -d <= *pfuzz)
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122 return 0;
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123 return d;
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124 }
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125 static void test_array_cmp(void)
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126 {
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127 static const unsigned short deltas[] = {
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128 0x8000, 0xc000, 0xfe00, 0xff00, 0xff80, 0xffc0, 0xfffe, 0xffff,
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129 0, 1, 2, 64, 128, 256, 512, 16384, 32768
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130 };
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131
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132 #define NELEMS 5u
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133 ARRAY(unsigned short) arr1, arr2;
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134 unsigned short elems[NELEMS+1];
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135 unsigned int i;
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136 int fuzz;
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137
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138 test_begin("array compare (ushort)");
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diff changeset
139 t_array_init(&arr1, NELEMS);
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
140 t_array_init(&arr2, NELEMS);
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
141 for (i = 0; i < NELEMS; i++) {
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
142 elems[i] = rand();
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
143 array_append(&arr2, &elems[i], 1);
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
144 }
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
145 array_append(&arr1, elems, NELEMS);
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
146 test_assert(array_cmp(&arr1, &arr2) == 1);
18112
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diff changeset
147 test_assert(array_equal_fn(&arr1, &arr2, test_compare_ushort) == 1);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
148 fuzz = 0;
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
149 test_assert(array_equal_fn_ctx(&arr1, &arr2, test_compare_ushort_fuzz, &fuzz) == 1);
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diff changeset
150
18110
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diff changeset
151 for (i = 0; i < 256; i++) {
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
152 unsigned int j = rand() % NELEMS;
18405
7c90285a72a6 lib: test-array build warnings on Solaris 10
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diff changeset
153 const unsigned short *ptmp = array_idx(&arr2, j);
7c90285a72a6 lib: test-array build warnings on Solaris 10
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diff changeset
154 unsigned short tmp = *ptmp;
18110
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diff changeset
155 unsigned short repl = tmp + deltas[rand() % N_ELEMENTS(deltas)];
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
156
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
157 array_idx_set(&arr2, j, &repl);
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diff changeset
158 test_assert_idx(array_cmp(&arr1, &arr2) == (tmp == repl), i);
18112
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diff changeset
159 test_assert_idx(array_equal_fn(&arr1, &arr2, test_compare_ushort) == (tmp == repl), i);
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diff changeset
160 fuzz = (int)tmp - (int)repl;
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diff changeset
161 if (fuzz < 0)
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diff changeset
162 fuzz = -fuzz;
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diff changeset
163 test_assert_idx(array_equal_fn_ctx(&arr1, &arr2, test_compare_ushort_fuzz, &fuzz) == 1, i);
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diff changeset
164 if (fuzz > 0) {
5522d5ce87a5 lib: test-array - new equality testers
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165 fuzz--;
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diff changeset
166 test_assert_idx(array_equal_fn_ctx(&arr1, &arr2, test_compare_ushort_fuzz, &fuzz) == 0, i);
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diff changeset
167 }
18110
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diff changeset
168 array_idx_set(&arr2, j, &tmp);
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
169 test_assert_idx(array_cmp(&arr1, &arr2) == TRUE, i);
18112
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diff changeset
170 test_assert_idx(array_equal_fn(&arr1, &arr2, test_compare_ushort) == 1, i);
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diff changeset
171 fuzz = 0;
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diff changeset
172 test_assert_idx(array_equal_fn_ctx(&arr1, &arr2, test_compare_ushort_fuzz, &fuzz) == 1, i);
18110
a45ee7e221b0 lib: test-array - test array_cmp()
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diff changeset
173 }
18112
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
174 elems[NELEMS] = 0;
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diff changeset
175 array_append(&arr2, &elems[NELEMS], 1);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
176 test_assert(array_cmp(&arr1, &arr2) == 0);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
177 test_assert(array_equal_fn(&arr1, &arr2, test_compare_ushort) == 0);
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diff changeset
178 test_assert_idx(array_equal_fn_ctx(&arr1, &arr2, test_compare_ushort_fuzz, &fuzz) == 0, i);
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diff changeset
179
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
180 test_end();
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diff changeset
181 }
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
182
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diff changeset
183 static int test_compare_string(const char *const *c1, const char *const *c2)
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
184 {
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
185 return strcmp(*c1, *c2);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
186 }
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
187 static void test_array_cmp_str(void)
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
188 {
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
189 #define NELEMS 5u
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
190 ARRAY(const char *) arr1, arr2;
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
191 const char *elemstrs[NELEMS+1];
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
192 unsigned int i;
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
193
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
194 test_begin("array compare (char*)");
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
195 t_array_init(&arr1, NELEMS);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
196 t_array_init(&arr2, NELEMS);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
197 for (i = 0; i < NELEMS; i++) {
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
198 elemstrs[i] = t_strdup_printf("%x", rand()); /* never 0-length */
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
199 array_append(&arr2, &elemstrs[i], 1);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
200 }
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
201 array_append(&arr1, elemstrs, NELEMS);
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
202 test_assert(array_cmp(&arr1, &arr2) == 1); /* pointers shared, so identical */
5522d5ce87a5 lib: test-array - new equality testers
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parents: 18110
diff changeset
203 test_assert(array_equal_fn(&arr1, &arr2, test_compare_string) == 1); /* therefore value same */
5522d5ce87a5 lib: test-array - new equality testers
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parents: 18110
diff changeset
204 for (i = 0; i < 2560; i++) {
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
205 unsigned int j = rand() % NELEMS;
18405
7c90285a72a6 lib: test-array build warnings on Solaris 10
Phil Carmody <phil@dovecot.fi>
parents: 18212
diff changeset
206 const char *const *ostr_p = array_idx(&arr2, j);
7c90285a72a6 lib: test-array build warnings on Solaris 10
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parents: 18212
diff changeset
207 const char *ostr = *ostr_p;
18112
5522d5ce87a5 lib: test-array - new equality testers
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diff changeset
208 unsigned int olen = strlen(ostr);
5522d5ce87a5 lib: test-array - new equality testers
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parents: 18110
diff changeset
209 unsigned int rc = rand() % (olen + 1);
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
210 char ochar = ostr[rc];
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
211 char buf[12];
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
212 const char *bufp = buf;
5522d5ce87a5 lib: test-array - new equality testers
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parents: 18110
diff changeset
213 memcpy(buf, ostr, olen+1);
5522d5ce87a5 lib: test-array - new equality testers
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parents: 18110
diff changeset
214 buf[rc] = rand() % (CHAR_MAX + 1 - CHAR_MIN) + CHAR_MIN;
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
215 if(rc == olen)
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
216 buf[rc+1] = '\0';
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
217 array_idx_set(&arr2, j, &bufp);
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
218 test_assert(array_cmp(&arr1, &arr2) == 0); /* pointers now differ */
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
219 test_assert_idx(array_equal_fn(&arr1, &arr2, test_compare_string)
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
220 == (strcmp(ostr, buf) == 0), i); /* sometimes still the same */
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
221 test_assert_idx(array_equal_fn(&arr1, &arr2, test_compare_string)
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
222 == (ochar == buf[rc]), i); /* ditto */
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
223 array_idx_set(&arr2, j, &ostr);
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
224 test_assert(array_cmp(&arr1, &arr2) == 1); /* pointers now same again */
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
225 test_assert_idx(array_equal_fn(&arr1, &arr2, test_compare_string) == 1, i); /* duh! */
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
226 }
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
227 /* length differences being detected are tested in other tests */
18110
a45ee7e221b0 lib: test-array - test array_cmp()
Phil Carmody <phil@dovecot.fi>
parents: 17130
diff changeset
228 test_end();
a45ee7e221b0 lib: test-array - test array_cmp()
Phil Carmody <phil@dovecot.fi>
parents: 17130
diff changeset
229 }
a45ee7e221b0 lib: test-array - test array_cmp()
Phil Carmody <phil@dovecot.fi>
parents: 17130
diff changeset
230
9425
810e36796e3d liblib unit tests are now split to separate files.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
231 void test_array(void)
810e36796e3d liblib unit tests are now split to separate files.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
232 {
18212
90e1829ba80e lib: array - test count/isempty/nonepty
Phil Carmody <phil@dovecot.fi>
parents: 18200
diff changeset
233 test_array_count();
10405
cc4e9d1fef7e Added array_foreach_idx()
Timo Sirainen <tss@iki.fi>
parents: 9425
diff changeset
234 test_array_foreach();
9425
810e36796e3d liblib unit tests are now split to separate files.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
235 test_array_reverse();
18110
a45ee7e221b0 lib: test-array - test array_cmp()
Phil Carmody <phil@dovecot.fi>
parents: 17130
diff changeset
236 test_array_cmp();
18112
5522d5ce87a5 lib: test-array - new equality testers
Phil Carmody <phil@dovecot.fi>
parents: 18110
diff changeset
237 test_array_cmp_str();
18200
7557234ac0f4 lib: array - helper to swap array buffer ownership
Phil Carmody <phil@dovecot.fi>
parents: 18137
diff changeset
238 test_array_swap();
9425
810e36796e3d liblib unit tests are now split to separate files.
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
239 }
18113
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
240
21299
5be9ee567034 lib-test: Change test_fatal_func_t to take unsigned int stage as parameter.
Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 19552
diff changeset
241 enum fatal_test_state fatal_array(unsigned int stage)
18113
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
242 {
18117
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
243 double tmpd[2] = { 42., -42. };
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
244 short tmps[8] = {1,2,3,4,5,6,7,8};
18120
096d233acb7d lib: test-array - really really really stop gcc optimising away fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18117
diff changeset
245 static const void *useless_ptr; /* persuade gcc to not optimise the tests */
18117
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
246
18113
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
247 switch(stage) {
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
248 case 0: {
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
249 ARRAY(double) ad;
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
250 test_begin("fatal_array");
9141a16aff4e lib: test-array - fatal tests
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parents: 18112
diff changeset
251 t_array_init(&ad, 3);
18117
8a4b536705ad lib: test-array - remove possibility to optimise out tests
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parents: 18114
diff changeset
252 /* allocation big enough, but memory not initialised */
18120
096d233acb7d lib: test-array - really really really stop gcc optimising away fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18117
diff changeset
253 useless_ptr = array_idx(&ad, 0);
18113
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
254 return FATAL_TEST_FAILURE;
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
255 } break;
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
256
9141a16aff4e lib: test-array - fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18112
diff changeset
257 case 1: {
9141a16aff4e lib: test-array - fatal tests
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parents: 18112
diff changeset
258 ARRAY(double) ad;
18117
8a4b536705ad lib: test-array - remove possibility to optimise out tests
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parents: 18114
diff changeset
259 t_array_init(&ad, 2);
8a4b536705ad lib: test-array - remove possibility to optimise out tests
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parents: 18114
diff changeset
260 array_append(&ad, tmpd, 2);
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
261 /* actual out of range address requested */
18120
096d233acb7d lib: test-array - really really really stop gcc optimising away fatal tests
Phil Carmody <phil@dovecot.fi>
parents: 18117
diff changeset
262 useless_ptr = array_idx(&ad, 2);
18117
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
263 return FATAL_TEST_FAILURE;
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
264 } break;
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
265
8a4b536705ad lib: test-array - remove possibility to optimise out tests
Phil Carmody <phil@dovecot.fi>
parents: 18114
diff changeset
266 case 2: {
8a4b536705ad lib: test-array - remove possibility to optimise out tests
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parents: 18114
diff changeset
267 ARRAY(double) ad;
18113
9141a16aff4e lib: test-array - fatal tests
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parents: 18112
diff changeset
268 ARRAY(short) as;
9141a16aff4e lib: test-array - fatal tests
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parents: 18112
diff changeset
269 t_array_init(&ad, 2);
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270 t_array_init(&as, 8);
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271 array_append(&as, tmps, 2);
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272 array_copy(&ad.arr, 1, &as.arr, 0, 4);
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273 return FATAL_TEST_FAILURE;
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274 } break;
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275 }
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276 test_end();
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277 /* Forces the compiler to check the value of useless_ptr, so that it
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278 must call array_idx (which is marked as pure, and gcc was desperate
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Timo Sirainen <timo.sirainen@dovecot.fi>
parents: 19552
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279 to optimise out. Of course, gcc is unaware stage is never UINT_MAX.*/
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Timo Sirainen <timo.sirainen@dovecot.fi>
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280 return (useless_ptr != NULL && stage == UINT_MAX)
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281 ? FATAL_TEST_FAILURE : FATAL_TEST_FINISHED;
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282 }