forked from bartvdbraak/blender
913d8ec608
- Each allocation can be a different size (but should be smaller than the chunk size). - Result can be looped over in order of allocation. - Allocations are aligned to pointer size to avoid unaligned reads.
207 lines
6.3 KiB
C++
207 lines
6.3 KiB
C++
/* Apache License, Version 2.0 */
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#include "testing/testing.h"
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extern "C" {
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#include "BLI_array_utils.h"
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#include "BLI_memiter.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_string.h"
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#include "BLI_ressource_strings.h"
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}
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TEST(memiter, Nop)
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{
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BLI_memiter *mi = BLI_memiter_create(64);
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BLI_memiter_destroy(mi);
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}
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void memiter_empty_test(int num_elems, const int chunk_size)
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{
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BLI_memiter *mi = BLI_memiter_create(chunk_size);
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void *data;
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for (int index = 0; index < num_elems; index++) {
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data = BLI_memiter_alloc(mi, 0);
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}
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int index = 0, total_size = 0;
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BLI_memiter_handle it;
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BLI_memiter_iter_init(mi, &it);
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uint elem_size;
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while ((data = BLI_memiter_iter_step_size(&it, &elem_size))) {
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index += 1;
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total_size += elem_size;
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}
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EXPECT_EQ(0, total_size);
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EXPECT_EQ(num_elems, index);
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BLI_memiter_destroy(mi);
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}
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#define MEMITER_NUMBER_TEST_FN(fn, number_type) \
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void fn(int num_elems, const int chunk_size) \
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{ \
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BLI_memiter *mi = BLI_memiter_create(chunk_size); \
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number_type *data; \
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for (int index = 0; index < num_elems; index++) { \
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data = (number_type *)BLI_memiter_alloc(mi, sizeof(number_type)); \
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*data = index; \
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} \
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BLI_memiter_handle it; \
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BLI_memiter_iter_init(mi, &it); \
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uint elem_size; \
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int index = 0; \
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while ((data = (number_type *)BLI_memiter_iter_step_size(&it, &elem_size))) { \
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EXPECT_EQ(sizeof(number_type), elem_size); \
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EXPECT_EQ(index, *data); \
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index += 1; \
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} \
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BLI_memiter_destroy(mi); \
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}
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/* generate number functions */
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MEMITER_NUMBER_TEST_FN(memiter_char_test, char)
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MEMITER_NUMBER_TEST_FN(memiter_short_test, short)
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MEMITER_NUMBER_TEST_FN(memiter_int_test, int)
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MEMITER_NUMBER_TEST_FN(memiter_long_test, int64_t)
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void memiter_string_test(const char *strings[], const int chunk_size)
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{
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BLI_memiter *mi = BLI_memiter_create(chunk_size);
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char *data;
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int index = 0;
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int total_size_expect = 0;
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while (strings[index]) {
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const int size = strlen(strings[index]) + 1;
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BLI_memiter_alloc_from(mi, size, strings[index]);
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total_size_expect += size;
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index += 1;
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}
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const int strings_len = index;
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int total_size = 0;
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BLI_memiter_handle it;
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BLI_memiter_iter_init(mi, &it);
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uint elem_size;
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index = 0;
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while ((data = (char *)BLI_memiter_iter_step_size(&it, &elem_size))) {
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EXPECT_EQ(strlen(strings[index]) + 1, elem_size);
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EXPECT_STREQ(strings[index], data);
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total_size += elem_size;
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index += 1;
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}
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EXPECT_EQ(total_size_expect, total_size);
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EXPECT_EQ(strings_len, index);
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BLI_memiter_destroy(mi);
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}
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void memiter_words10k_test(const char split_char, const int chunk_size)
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{
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const int words_len = sizeof(words10k) - 1;
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char *words = BLI_strdupn(words10k, words_len);
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BLI_str_replace_char(words, split_char, '\0');
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BLI_memiter *mi = BLI_memiter_create(chunk_size);
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char *data;
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int index;
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char *c_end, *c;
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c_end = words + words_len;
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c = words;
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index = 0;
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while (c < c_end) {
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int elem_size = strlen(c) + 1;
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data = (char *)BLI_memiter_alloc(mi, elem_size);
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memcpy(data, c, elem_size);
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c += elem_size;
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index += 1;
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}
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const int len_expect = index;
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c = words;
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uint size;
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BLI_memiter_handle it;
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BLI_memiter_iter_init(mi, &it);
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index = 0;
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while ((data = (char *)BLI_memiter_iter_step_size(&it, &size))) {
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int size_expect = strlen(c) + 1;
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EXPECT_EQ(size_expect, size);
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EXPECT_STREQ(c, data);
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c += size;
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index += 1;
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}
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EXPECT_EQ(len_expect, index);
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BLI_memiter_destroy(mi);
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MEM_freeN(words);
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}
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#define TEST_EMPTY_AT_CHUNK_SIZE(chunk_size) \
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TEST(memiter, Empty0_##chunk_size) { memiter_empty_test(0, chunk_size); } \
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TEST(memiter, Empty1_##chunk_size) { memiter_empty_test(1, chunk_size); } \
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TEST(memiter, Empty2_##chunk_size) { memiter_empty_test(2, chunk_size); } \
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TEST(memiter, Empty3_##chunk_size) { memiter_empty_test(3, chunk_size); } \
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TEST(memiter, Empty13_##chunk_size) { memiter_empty_test(13, chunk_size); } \
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TEST(memiter, Empty256_##chunk_size) { memiter_empty_test(256, chunk_size); } \
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TEST_EMPTY_AT_CHUNK_SIZE(1)
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TEST_EMPTY_AT_CHUNK_SIZE(2)
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TEST_EMPTY_AT_CHUNK_SIZE(3)
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TEST_EMPTY_AT_CHUNK_SIZE(13)
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TEST_EMPTY_AT_CHUNK_SIZE(256)
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#define TEST_NUMBER_AT_CHUNK_SIZE(chunk_size) \
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TEST(memiter, Char1_##chunk_size) { memiter_char_test(1, chunk_size); } \
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TEST(memiter, Short1_##chunk_size) { memiter_short_test(1, chunk_size); } \
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TEST(memiter, Int1_##chunk_size) { memiter_int_test(1, chunk_size); } \
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TEST(memiter, Long1_##chunk_size) { memiter_long_test(1, chunk_size); } \
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\
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TEST(memiter, Char2_##chunk_size) { memiter_char_test(2, chunk_size); } \
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TEST(memiter, Short2_##chunk_size) { memiter_short_test(2, chunk_size); } \
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TEST(memiter, Int2_##chunk_size) { memiter_int_test(2, chunk_size); } \
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TEST(memiter, Long2_##chunk_size) { memiter_long_test(2, chunk_size); } \
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\
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TEST(memiter, Char3_##chunk_size) { memiter_char_test(3, chunk_size); } \
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TEST(memiter, Short3_##chunk_size) { memiter_short_test(3, chunk_size); } \
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TEST(memiter, Int3_##chunk_size) { memiter_int_test(3, chunk_size); } \
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TEST(memiter, Long3_##chunk_size) { memiter_long_test(3, chunk_size); } \
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\
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TEST(memiter, Char256_##chunk_size) { memiter_char_test(256, chunk_size); } \
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TEST(memiter, Short256_##chunk_size) { memiter_short_test(256, chunk_size); } \
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TEST(memiter, Int256_##chunk_size) { memiter_int_test(256, chunk_size); } \
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TEST(memiter, Long256_##chunk_size) { memiter_long_test(256, chunk_size); } \
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TEST_NUMBER_AT_CHUNK_SIZE(1)
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TEST_NUMBER_AT_CHUNK_SIZE(2)
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TEST_NUMBER_AT_CHUNK_SIZE(3)
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TEST_NUMBER_AT_CHUNK_SIZE(13)
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TEST_NUMBER_AT_CHUNK_SIZE(256)
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#define STRINGS_TEST(chunk_size, ...) { \
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const char *data[] = {__VA_ARGS__, NULL}; \
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memiter_string_test(data, chunk_size); \
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}
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#define TEST_STRINGS_AT_CHUNK_SIZE(chunk_size) \
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TEST(memiter, Strings_##chunk_size) { \
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STRINGS_TEST(chunk_size, ""); \
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STRINGS_TEST(chunk_size, "test", "me"); \
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STRINGS_TEST(chunk_size, "more", "test", "data", "to", "follow"); \
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}
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TEST_STRINGS_AT_CHUNK_SIZE(1)
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TEST_STRINGS_AT_CHUNK_SIZE(2)
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TEST_STRINGS_AT_CHUNK_SIZE(3)
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TEST_STRINGS_AT_CHUNK_SIZE(13)
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TEST_STRINGS_AT_CHUNK_SIZE(256)
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#define TEST_WORDS10K_AT_CHUNK_SIZE(chunk_size) \
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TEST(memiter, Words10kSentence_##chunk_size) { memiter_words10k_test('.', chunk_size); } \
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TEST(memiter, Words10kWords_##chunk_size) { memiter_words10k_test(' ', chunk_size); } \
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TEST_WORDS10K_AT_CHUNK_SIZE(1)
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TEST_WORDS10K_AT_CHUNK_SIZE(2)
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TEST_WORDS10K_AT_CHUNK_SIZE(3)
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TEST_WORDS10K_AT_CHUNK_SIZE(13)
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TEST_WORDS10K_AT_CHUNK_SIZE(256)
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