Mercurial > dovecot > core-2.2

annotate src/lib/test-mempool.c @ 22664:fea53c2725c0

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director: Fix director_max_parallel_moves/kicks type Should be uint, not time.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 09 Nov 2017 12:24:16 +0200
parents df6a5fba9405
children cb108f786fb4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
22139
df6a5fba9405 lib: Add test-mempool unit test.
Timo Sirainen <timo.sirainen@dovecot.fi>
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1 /* Copyright (c) 2017 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
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5 #if SIZEOF_VOID_P == 8
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6 typedef char uint32max_array_t[4294967295];
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7 #else
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8 typedef char uint32max_array_t[65535];
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9 #endif
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10
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11 extern struct pool test_pool;
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12
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13 static void test_mempool_overflow(void)
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14 {
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15 test_begin("mempool overflow");
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16 #if SIZEOF_VOID_P == 8
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17 uint32max_array_t *m1 = p_new(&test_pool, uint32max_array_t, 4294967297ULL);
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18 test_assert(m1 == POINTER_CAST(18446744073709551615ULL));
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19 char *m2 = p_new(&test_pool, char, 18446744073709551615ULL);
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20 test_assert(m2 == POINTER_CAST(18446744073709551615ULL));
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21 uint32_t *m3 = p_new(&test_pool, uint32_t, 4611686018427387903ULL);
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22 test_assert(m3 == POINTER_CAST(18446744073709551612ULL));
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23
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24 /* grow */
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25 test_assert(p_realloc_type(&test_pool, m1, uint32max_array_t, 4294967296ULL, 4294967297ULL) == POINTER_CAST(18446744073709551615ULL));
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26 test_assert(p_realloc_type(&test_pool, m2, char, 18446744073709551614ULL, 18446744073709551615ULL) == POINTER_CAST(18446744073709551615ULL));
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27 test_assert(p_realloc_type(&test_pool, m3, uint32_t, 4611686018427387902ULL, 4611686018427387903ULL) == POINTER_CAST(18446744073709551612ULL));
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28
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29 /* shrink */
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30 test_assert(p_realloc_type(&test_pool, m1, uint32max_array_t, 4294967297ULL, 4294967296ULL) == POINTER_CAST(18446744069414584320ULL));
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31 test_assert(p_realloc_type(&test_pool, m2, char, 18446744073709551615ULL, 18446744073709551614ULL) == POINTER_CAST(18446744073709551614ULL));
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32 test_assert(p_realloc_type(&test_pool, m3, uint32_t, 4611686018427387903ULL, 4611686018427387902ULL) == POINTER_CAST(18446744073709551608ULL));
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33 #elif SIZEOF_VOID_P == 4
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34 uint32max_array_t *m1 = p_new(&test_pool, uint32max_array_t, 65537);
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35 test_assert(m1 == POINTER_CAST(4294967295U));
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36 char *m2 = p_new(&test_pool, char, 4294967295U);
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37 test_assert(m2 == POINTER_CAST(4294967295U));
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38 uint32_t *m3 = p_new(&test_pool, uint32_t, 1073741823U);
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39 test_assert(m3 == POINTER_CAST(4294967292U));
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40
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41 /* grow */
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42 test_assert(p_realloc_type(&test_pool, m1, uint32max_array_t, 65536, 65537) == POINTER_CAST(4294967295U));
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43 test_assert(p_realloc_type(&test_pool, m2, char, 4294967294U, 4294967295U) == POINTER_CAST(4294967295U));
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44 test_assert(p_realloc_type(&test_pool, m3, uint32_t, 1073741822U, 1073741823U) == POINTER_CAST(4294967292U));
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45
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46 /* shrink */
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47 test_assert(p_realloc_type(&test_pool, m1, uint32max_array_t, 65537, 65536) == POINTER_CAST(4294901760U));
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48 test_assert(p_realloc_type(&test_pool, m2, char, 4294967295U, 4294967294U) == POINTER_CAST(4294967294U));
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49 test_assert(p_realloc_type(&test_pool, m3, uint32_t, 1073741823U, 1073741822U) == POINTER_CAST(4294967288U));
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50 #else
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51 # error unsupported pointer size
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52 #endif
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53 test_end();
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54 }
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55
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56 enum fatal_test_state fatal_mempool(unsigned int stage)
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57 {
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58 static uint32max_array_t *m1;
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59 static uint32_t *m2;
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60
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61 #if SIZEOF_VOID_P == 8
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62 switch(stage) {
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63 case 0:
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64 test_begin("fatal mempool overflow");
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65 m1 = p_new(&test_pool, uint32max_array_t, 4294967298ULL);
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66 return FATAL_TEST_FAILURE;
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67 case 1:
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68 m2 = p_new(&test_pool, uint32_t, 4611686018427387904ULL);
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69 return FATAL_TEST_FAILURE;
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70 case 2: /* grow */
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71 m1 = p_realloc_type(&test_pool, m1, uint32max_array_t, 4294967297ULL, 4294967298ULL);
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72 return FATAL_TEST_FAILURE;
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73 case 3:
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74 m2 = p_realloc_type(&test_pool, m2, uint32_t, 4611686018427387903ULL, 4611686018427387904ULL);
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75 return FATAL_TEST_FAILURE;
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76 case 4: /* shrink */
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77 m1 = p_realloc_type(&test_pool, m1, uint32max_array_t, 4294967298ULL, 4294967297ULL);
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78 return FATAL_TEST_FAILURE;
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79 case 5:
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80 m2 = p_realloc_type(&test_pool, m2, uint32_t, 4611686018427387904ULL, 4611686018427387903ULL);
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81 return FATAL_TEST_FAILURE;
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82 }
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83 #elif SIZEOF_VOID_P == 4
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84 switch(stage) {
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85 case 0:
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86 test_begin("fatal mempool overflow");
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87 m1 = p_new(&test_pool, uint32max_array_t, 65538);
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88 return FATAL_TEST_FAILURE;
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89 case 1:
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90 m2 = p_new(&test_pool, uint32_t, 1073741824U);
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91 return FATAL_TEST_FAILURE;
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92 case 2: /* grow */
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93 m1 = p_realloc_type(&test_pool, m1, uint32max_array_t, 65537, 65538);
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94 return FATAL_TEST_FAILURE;
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95 case 3:
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96 m2 = p_realloc_type(&test_pool, m2, uint32_t, 1073741823U, 1073741824U);
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97 return FATAL_TEST_FAILURE;
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98 case 4: /* shrink */
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99 m1 = p_realloc_type(&test_pool, m1, uint32max_array_t, 65538, 65537);
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100 return FATAL_TEST_FAILURE;
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101 case 5:
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102 m2 = p_realloc_type(&test_pool, m2, uint32_t, 1073741824U, 1073741823U);
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103 return FATAL_TEST_FAILURE;
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104 }
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105 #else
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106 # error unsupported pointer size
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107 #endif
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108 test_end();
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109 return FATAL_TEST_FINISHED;
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110 }
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111
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112 static const char *pool_test_get_name(pool_t pool ATTR_UNUSED) { return "test"; }
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113 static void pool_test_ref(pool_t pool ATTR_UNUSED) { }
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114 static void pool_test_unref(pool_t *pool) { *pool = NULL; }
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115 static void *pool_test_malloc(pool_t pool ATTR_UNUSED, size_t size) { return POINTER_CAST(size); }
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116 static void pool_test_free(pool_t pool ATTR_UNUSED, void *mem ATTR_UNUSED) { }
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117 static void *pool_test_realloc(pool_t pool ATTR_UNUSED, void *mem ATTR_UNUSED,
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118 size_t old_size ATTR_UNUSED, size_t new_size) {
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119 return POINTER_CAST(new_size);
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120 }
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121 static void pool_test_clear(pool_t pool ATTR_UNUSED) { }
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122 static size_t pool_test_get_max_easy_alloc_size(pool_t pool ATTR_UNUSED) { return 12345; }
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123 static const struct pool_vfuncs test_pool_vfuncs = {
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124 pool_test_get_name,
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125 pool_test_ref,
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126 pool_test_unref,
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127 pool_test_malloc,
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128 pool_test_free,
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129 pool_test_realloc,
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130 pool_test_clear,
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131 pool_test_get_max_easy_alloc_size
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132 };
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133
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134 struct pool test_pool = {
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135 .v = &test_pool_vfuncs,
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136
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137 .alloconly_pool = TRUE,
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138 .datastack_pool = FALSE,
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139 };
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140
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141 void test_mempool(void)
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142 {
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143 test_mempool_overflow();
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144 }