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test-mc-text-search-str-encode.c
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/*
* Copyright 2024-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongocrypt.h"
#include "test-mongocrypt-assert.h"
#include "test-mongocrypt.h"
#include "mc-fle2-encryption-placeholder-private.h"
#include "mc-str-encode-string-sets-private.h"
#include "mc-text-search-str-encode-private.h"
#include "unicode/fold.h"
#include <stdint.h>
#include <string.h>
static uint32_t get_utf8_codepoint_length(const char *buf, uint32_t len) {
const char *cur = buf;
const char *end = buf + len;
uint32_t codepoint_len = 0;
while (cur < end) {
cur = bson_utf8_next_char(cur);
codepoint_len++;
}
return codepoint_len;
}
static void test_nofold_suffix_prefix_case(_mongocrypt_tester_t *tester,
const char *str,
uint32_t lb,
uint32_t ub,
bool casef,
bool diacf,
int foldable_codepoints) {
TEST_PRINTF("Testing nofold suffix/prefix case: str=\"%s\", lb=%u, ub=%u, casef=%d, diacf=%d\n",
str,
lb,
ub,
casef,
diacf);
uint32_t byte_len = (uint32_t)strlen(str);
uint32_t unfolded_codepoint_len = byte_len == 0 ? 1 : get_utf8_codepoint_length(str, byte_len);
uint32_t folded_codepoint_len = byte_len == 0 ? 0 : unfolded_codepoint_len - foldable_codepoints;
uint32_t padded_len = 16 * (uint32_t)((byte_len + 5 + 15) / 16) - 5;
uint32_t max_affix_len = BSON_MIN(ub, folded_codepoint_len);
uint32_t n_real_affixes = max_affix_len >= lb ? max_affix_len - lb + 1 : 0;
uint32_t n_affixes = BSON_MIN(ub, padded_len) - lb + 1;
uint32_t n_padding = n_affixes - n_real_affixes;
mc_str_encode_sets_t *sets;
mongocrypt_status_t *status = mongocrypt_status_new();
for (int suffix = 0; suffix <= 1; suffix++) {
if (suffix) {
mc_FLE2TextSearchInsertSpec_t spec = {.v = str,
.len = byte_len,
.suffix = {{lb, ub}, true},
.casef = casef,
.diacf = diacf};
sets = mc_text_search_str_encode(&spec, status);
} else {
mc_FLE2TextSearchInsertSpec_t spec = {.v = str,
.len = byte_len,
.prefix = {{lb, ub}, true},
.casef = casef,
.diacf = diacf};
sets = mc_text_search_str_encode(&spec, status);
}
ASSERT_OR_PRINT(sets, status);
ASSERT_CMPUINT32(sets->base_string->codepoint_len, ==, folded_codepoint_len + 1);
if (!casef && !diacf) {
ASSERT_CMPUINT32(sets->base_string->buf.len, ==, byte_len + 1);
ASSERT_CMPINT(0, ==, memcmp(sets->base_string->buf.data, str, byte_len));
}
ASSERT_CMPUINT8(sets->base_string->buf.data[sets->base_string->buf.len - 1], ==, (uint8_t)0xFF);
ASSERT(sets->substring_set == NULL);
ASSERT_CMPUINT32(sets->exact.len, ==, sets->base_string->buf.len - 1);
ASSERT_CMPINT(0, ==, memcmp(sets->exact.data, sets->base_string->buf.data, sets->exact.len));
if (lb > padded_len) {
ASSERT(sets->suffix_set == NULL);
ASSERT(sets->prefix_set == NULL);
goto CONTINUE;
}
TEST_PRINTF("Expecting: n_real_affixes: %u, n_affixes: %u, n_padding: %u\n",
n_real_affixes,
n_affixes,
n_padding);
mc_affix_set_t *set;
if (suffix) {
ASSERT(sets->prefix_set == NULL);
set = sets->suffix_set;
} else {
ASSERT(sets->suffix_set == NULL);
set = sets->prefix_set;
}
ASSERT(set != NULL);
mc_affix_set_iter_t it;
mc_affix_set_iter_init(&it, set);
const char *affix;
uint32_t idx = 0;
uint32_t affix_len = 0;
uint32_t affix_count = 0;
uint32_t total_real_affix_count = 0;
while (mc_affix_set_iter_next(&it, &affix, &affix_len, &affix_count)) {
// Since all substrings are just views on the base string, we can use pointer math to find our start and
// end indices.
TEST_PRINTF("Affix starting %lld, ending %lld, count %u\n",
(long long)((uint8_t *)affix - sets->base_string->buf.data),
(long long)((uint8_t *)affix - sets->base_string->buf.data + affix_len),
affix_count);
if (affix_len == sets->base_string->buf.len) {
// This is padding, so there should be no more entries due to how we ordered them
ASSERT(!mc_affix_set_iter_next(&it, NULL, NULL, NULL));
break;
}
ASSERT_CMPUINT32(affix_len, <=, sets->base_string->buf.len - 1);
ASSERT_CMPUINT32(0, <, affix_len);
// We happen to always order from smallest to largest in the suffix/prefix algorithm, which makes our
// life slightly easier when testing.
if (suffix) {
uint32_t start_offset = sets->base_string->codepoint_offsets[folded_codepoint_len - (lb + idx)];
ASSERT_CMPPTR((uint8_t *)affix, ==, sets->base_string->buf.data + start_offset);
ASSERT_CMPUINT32(affix_len,
==,
sets->base_string->codepoint_offsets[folded_codepoint_len] - start_offset);
} else {
uint32_t end_offset = sets->base_string->codepoint_offsets[lb + idx];
ASSERT_CMPPTR((uint8_t *)affix, ==, sets->base_string->buf.data);
ASSERT_CMPUINT32(affix_len, ==, end_offset);
}
// The count should always be 1, except for padding.
ASSERT_CMPUINT32(1, ==, affix_count);
total_real_affix_count++;
idx++;
}
ASSERT_CMPUINT32(total_real_affix_count, ==, n_real_affixes);
if (affix_len == sets->base_string->buf.len) {
// Padding
ASSERT_CMPPTR((uint8_t *)affix, ==, sets->base_string->buf.data);
ASSERT_CMPUINT32(affix_count, ==, n_padding);
} else {
// No padding found
ASSERT_CMPUINT32(n_padding, ==, 0);
}
CONTINUE:
mc_str_encode_sets_destroy(sets);
}
mongocrypt_status_destroy(status);
}
static uint32_t calc_number_of_substrings(uint32_t len, uint32_t lb, uint32_t ub) {
uint32_t ret = 0;
// Calculate the long way to make sure our math in calc_number_of_substrings is correct
for (uint32_t i = 0; i < len; i++) {
uint32_t max_sublen = BSON_MIN(ub, len - i);
uint32_t n_substrings = max_sublen < lb ? 0 : max_sublen - lb + 1;
ret += n_substrings;
}
return ret;
}
static uint32_t calc_unique_substrings(const mc_utf8_string_with_bad_char_t *str, uint32_t lb, uint32_t ub) {
uint32_t len = str->codepoint_len - 1; // eliminate last 0xff CP
if (len < lb) {
return 0;
}
// Bruteforce to make sure our hashset is working as expected.
uint8_t *idx_is_dupe = bson_malloc0(len);
uint32_t dupes = 0;
for (uint32_t ss_len = lb; ss_len <= BSON_MIN(len, ub); ss_len++) {
for (uint32_t i = 0; i < len - ss_len; i++) {
// Already checked
if (idx_is_dupe[i]) {
continue;
}
for (uint32_t j = i + 1; j <= len - ss_len; j++) {
// Already counted
if (idx_is_dupe[j]) {
continue;
}
uint32_t i_start_byte = str->codepoint_offsets[i];
uint32_t i_end_byte = str->codepoint_offsets[i + ss_len];
uint32_t j_start_byte = str->codepoint_offsets[j];
uint32_t j_end_byte = str->codepoint_offsets[j + ss_len];
if (i_end_byte - i_start_byte == j_end_byte - j_start_byte
&& memcmp(&str->buf.data[i_start_byte], &str->buf.data[j_start_byte], i_end_byte - i_start_byte)
== 0) {
idx_is_dupe[j] = 1;
dupes++;
}
}
}
memset(idx_is_dupe, 0, len);
}
bson_free(idx_is_dupe);
return calc_number_of_substrings(len, lb, ub) - dupes;
}
static void test_nofold_substring_case(_mongocrypt_tester_t *tester,
const char *str,
uint32_t lb,
uint32_t ub,
uint32_t mlen,
bool casef,
bool diacf,
int foldable_codepoints) {
TEST_PRINTF("Testing nofold substring case: str=\"%s\", lb=%u, ub=%u, mlen=%u, casef=%d, diacf=%d\n",
str,
lb,
ub,
mlen,
casef,
diacf);
uint32_t byte_len = (uint32_t)strlen(str);
uint32_t unfolded_codepoint_len = byte_len == 0 ? 1 : get_utf8_codepoint_length(str, byte_len);
uint32_t folded_codepoint_len = byte_len == 0 ? 0 : unfolded_codepoint_len - foldable_codepoints;
uint32_t padded_len = 16 * (uint32_t)((byte_len + 5 + 15) / 16) - 5;
uint32_t n_substrings = calc_number_of_substrings(BSON_MIN(padded_len, mlen), lb, ub);
mongocrypt_status_t *status = mongocrypt_status_new();
mc_str_encode_sets_t *sets;
mc_FLE2TextSearchInsertSpec_t spec = {.v = str,
.len = byte_len,
.substr = {{mlen, lb, ub}, true},
.casef = casef,
.diacf = diacf};
sets = mc_text_search_str_encode(&spec, status);
if (unfolded_codepoint_len > mlen) {
ASSERT_FAILS_STATUS(sets, status, "longer than the maximum length");
mongocrypt_status_destroy(status);
return;
}
ASSERT_OR_PRINT(sets, status);
mongocrypt_status_destroy(status);
ASSERT_CMPUINT32(sets->base_string->codepoint_len, ==, folded_codepoint_len + 1);
if (!casef && !diacf) {
ASSERT_CMPUINT32(sets->base_string->buf.len, ==, byte_len + 1);
ASSERT_CMPINT(0, ==, memcmp(sets->base_string->buf.data, str, byte_len));
}
ASSERT_CMPUINT8(sets->base_string->buf.data[sets->base_string->buf.len - 1], ==, (uint8_t)0xFF);
ASSERT(sets->suffix_set == NULL);
ASSERT(sets->prefix_set == NULL);
ASSERT_CMPUINT32(sets->exact.len, ==, sets->base_string->buf.len - 1);
ASSERT_CMPINT(0, ==, memcmp(sets->exact.data, sets->base_string->buf.data, sets->base_string->buf.len - 1));
if (lb > padded_len) {
ASSERT(sets->substring_set == NULL);
goto cleanup;
} else {
ASSERT(sets->substring_set != NULL);
}
uint32_t n_real_substrings = calc_unique_substrings(sets->base_string, lb, ub);
uint32_t n_padding = n_substrings - n_real_substrings;
TEST_PRINTF("Expecting: n_real_substrings: %u, n_substrings: %u, n_padding: %u\n",
n_real_substrings,
n_substrings,
n_padding);
mc_substring_set_t *set = sets->substring_set;
mc_substring_set_iter_t it;
mc_substring_set_iter_init(&it, set);
const char *substring;
uint32_t substring_len = 0;
uint32_t substring_count = 0;
uint32_t total_real_substring_count = 0;
while (mc_substring_set_iter_next(&it, &substring, &substring_len, &substring_count)) {
TEST_PRINTF("Substring starting %lld, ending %lld, count %u: \"%.*s\"\n",
(long long)((uint8_t *)substring - sets->base_string->buf.data),
(long long)((uint8_t *)substring - sets->base_string->buf.data + substring_len),
substring_count,
substring_len,
substring);
if (substring_len == sets->base_string->buf.len) {
// This is padding, so there should be no more entries due to how we ordered them
ASSERT(!mc_substring_set_iter_next(&it, NULL, NULL, NULL));
break;
}
ASSERT_CMPPTR((uint8_t *)substring + substring_len,
<=,
sets->base_string->buf.data + sets->base_string->buf.len);
ASSERT_CMPUINT32(substring_len, <=, sets->base_string->buf.len - 1);
ASSERT_CMPUINT32(0, <, substring_len);
ASSERT_CMPUINT32(1, ==, substring_count);
total_real_substring_count++;
}
ASSERT_CMPUINT32(total_real_substring_count, ==, n_real_substrings);
if (substring_len == sets->base_string->buf.len) {
// Padding
ASSERT_CMPPTR((uint8_t *)substring, ==, sets->base_string->buf.data);
ASSERT_CMPUINT32(substring_count, ==, n_padding);
} else {
// No padding found
ASSERT_CMPUINT32(n_padding, ==, 0);
}
cleanup:
mc_str_encode_sets_destroy(sets);
}
static void test_nofold_substring_case_multiple_mlen(_mongocrypt_tester_t *tester,
const char *str,
uint32_t lb,
uint32_t ub,
uint32_t unfolded_codepoint_len,
bool casef,
bool diacf,
int foldable_codepoints) {
if (unfolded_codepoint_len > 1) {
// mlen < unfolded_codepoint_len
test_nofold_substring_case(tester, str, lb, ub, unfolded_codepoint_len - 1, casef, diacf, foldable_codepoints);
}
// mlen = unfolded_codepoint_len
test_nofold_substring_case(tester, str, lb, ub, unfolded_codepoint_len, casef, diacf, foldable_codepoints);
// mlen > unfolded_codepoint_len
test_nofold_substring_case(tester, str, lb, ub, unfolded_codepoint_len + 1, casef, diacf, foldable_codepoints);
// mlen >> unfolded_codepoint_len
test_nofold_substring_case(tester, str, lb, ub, unfolded_codepoint_len + 64, casef, diacf, foldable_codepoints);
uint32_t byte_len = (uint32_t)strlen(str);
if (byte_len > 1) {
// mlen < byte_len
test_nofold_substring_case(tester, str, lb, ub, byte_len - 1, casef, diacf, foldable_codepoints);
}
if (byte_len > 0) {
// mlen = byte_len
test_nofold_substring_case(tester, str, lb, ub, byte_len, casef, diacf, foldable_codepoints);
}
// mlen > byte_len
test_nofold_substring_case(tester, str, lb, ub, byte_len + 1, casef, diacf, foldable_codepoints);
// mlen = padded_len
test_nofold_substring_case(tester,
str,
lb,
ub,
16 * (uint32_t)((byte_len + 5 + 15) / 16) - 5,
casef,
diacf,
foldable_codepoints);
// mlen >> byte_len
test_nofold_substring_case(tester, str, lb, ub, byte_len + 64, casef, diacf, foldable_codepoints);
}
static const char *normal_ascii_strings[] = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
"l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F",
"G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"};
static const char *ascii_diacritics[] = {"^", "`"};
static const char *normal_unicode_strings[] = {"ぁ", "あ", "ぃ", "い", "ぅ", "う", "ぇ", "え", "ぉ", "お", "か", "が",
"き", "ぎ", "く", "け", "Ѐ", "Ё", "Ђ", "Ѓ", "Є", "Ѕ", "І", "Ї",
"Ј", "Љ", "Њ", "Ћ", "Ќ", "Ѝ", "Ў", "Џ", "𓀀", "𓀁", "𓀂", "𓀃",
"𓀄", "𓀅", "𓀆", "𓀇", "𓀈", "𓀉", "𓀊", "𓀋", "𓀌", "𓀍", "𓀎", "𓀏"};
static const char *unicode_diacritics[] = {"̀", "́", "̂", "̃", "̄", "̅", "̆", "̇", "̈", "̉", "̊", "̋", "̌", "̍", "̎",
"̏", "᷄", "᷅", "᷆", "᷇", "᷈", "᷉", "᷊", "᷋", "᷌", "᷍", "᷎", "᷏", "︠", "︡",
"︢", "︣", "︤", "︥", "︦", "︧", "︨", "︩", "︪", "︫", "︬", "︭", "︮", "︯"};
// Build a random string which has unfolded_len codepoints, but folds to folded_len codepoints after diacritic folding.
static char *build_random_string_to_fold(uint32_t folded_len, uint32_t unfolded_len) {
// 1/3 to generate all unicode, 1/3 to be half and half, 1/3 to be all ascii.
int ascii_ratio = rand() % 3;
ASSERT_CMPUINT32(unfolded_len, >=, folded_len);
// Max size in bytes is # unicode characters * 4 bytes for each character + 1 null terminator.
char *str = malloc(unfolded_len * 4 + 1);
char *ptr = str;
uint32_t folded_size = 0;
uint32_t diacritics = unfolded_len - folded_len;
int dia_prob = (diacritics * 1000) / unfolded_len;
for (uint32_t n_codepoints = 0; n_codepoints < unfolded_len; n_codepoints++) {
const char *src_ptr;
bool must_add_diacritic = folded_size == folded_len;
bool must_add_normal = n_codepoints - folded_size == diacritics;
if (must_add_diacritic || (!must_add_normal && (rand() % 1000 < dia_prob))) {
// Add diacritic.
if (rand() % 2 < ascii_ratio) {
int i = rand() % (sizeof(ascii_diacritics) / sizeof(char *));
src_ptr = ascii_diacritics[i];
} else {
int i = rand() % (sizeof(unicode_diacritics) / sizeof(char *));
src_ptr = unicode_diacritics[i];
}
} else {
// Add normal character.
if (rand() % 2 < ascii_ratio) {
int i = rand() % (sizeof(normal_ascii_strings) / sizeof(char *));
src_ptr = normal_ascii_strings[i];
} else {
int i = rand() % (sizeof(normal_unicode_strings) / sizeof(char *));
src_ptr = normal_unicode_strings[i];
}
folded_size++;
}
strcpy(ptr, src_ptr);
ptr += strlen(src_ptr);
}
uint32_t len = (uint32_t)(ptr - str);
// ptr points to the final null character, include that in the final string.
str = realloc(str, len + 1);
// Make sure we did everything right.
ASSERT_CMPUINT32(unfolded_len, ==, get_utf8_codepoint_length(str, len));
mongocrypt_status_t *status = mongocrypt_status_new();
char *out_str;
size_t out_len;
ASSERT_OK_STATUS(unicode_fold(str, len, kUnicodeFoldRemoveDiacritics, &out_str, &out_len, status), status);
ASSERT_CMPUINT32(folded_len, ==, get_utf8_codepoint_length(out_str, (uint32_t)out_len));
bson_free(out_str);
mongocrypt_status_destroy(status);
return str;
}
static void suffix_prefix_run_folding_case(_mongocrypt_tester_t *tester,
const char *short_s,
const char *medium_s,
const char *long_s,
bool casef,
bool diacf,
int foldable_codepoints) {
// LB > 16
test_nofold_suffix_prefix_case(tester, short_s, 17, 19, casef, diacf, foldable_codepoints);
// Simple cases
test_nofold_suffix_prefix_case(tester, short_s, 2, 4, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 3, 6, casef, diacf, foldable_codepoints);
// LB = UB
test_nofold_suffix_prefix_case(tester, short_s, 2, 2, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 9, 9, casef, diacf, foldable_codepoints);
// UB = len
test_nofold_suffix_prefix_case(tester, short_s, 2, 9, casef, diacf, foldable_codepoints);
// 16 > UB > len
test_nofold_suffix_prefix_case(tester, short_s, 2, 14, casef, diacf, foldable_codepoints);
// UB = 16
test_nofold_suffix_prefix_case(tester, short_s, 2, 16, casef, diacf, foldable_codepoints);
// UB > 16
test_nofold_suffix_prefix_case(tester, short_s, 2, 19, casef, diacf, foldable_codepoints);
// UB > 32
test_nofold_suffix_prefix_case(tester, short_s, 2, 35, casef, diacf, foldable_codepoints);
// 16 >= LB > len
test_nofold_suffix_prefix_case(tester, short_s, 12, 19, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 12, 16, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 16, 19, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 12, 35, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, short_s, 16, 35, casef, diacf, foldable_codepoints);
// len = 16 cases
// LB > 16
test_nofold_suffix_prefix_case(tester, medium_s, 17, 19, casef, diacf, foldable_codepoints);
// Simple cases
test_nofold_suffix_prefix_case(tester, medium_s, 2, 4, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, medium_s, 3, 6, casef, diacf, foldable_codepoints);
// LB = UB
test_nofold_suffix_prefix_case(tester, medium_s, 2, 2, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, medium_s, 16, 16, casef, diacf, foldable_codepoints);
// UB = len
test_nofold_suffix_prefix_case(tester, medium_s, 2, 16, casef, diacf, foldable_codepoints);
// UB > len
test_nofold_suffix_prefix_case(tester, medium_s, 2, 19, casef, diacf, foldable_codepoints);
// UB = 32
test_nofold_suffix_prefix_case(tester, medium_s, 2, 32, casef, diacf, foldable_codepoints);
// UB > 32
test_nofold_suffix_prefix_case(tester, medium_s, 2, 35, casef, diacf, foldable_codepoints);
// LB = len
test_nofold_suffix_prefix_case(tester, medium_s, 16, 19, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, medium_s, 16, 35, casef, diacf, foldable_codepoints);
// len > 16 cases
// LB > 32
test_nofold_suffix_prefix_case(tester, long_s, 33, 38, casef, diacf, foldable_codepoints);
// Simple cases
test_nofold_suffix_prefix_case(tester, long_s, 2, 4, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 3, 6, casef, diacf, foldable_codepoints);
// LB < 16 <= UB <= len
test_nofold_suffix_prefix_case(tester, long_s, 3, 18, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 3, 16, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 3, 27, casef, diacf, foldable_codepoints);
// 16 <= LB < UB <= len
test_nofold_suffix_prefix_case(tester, long_s, 18, 24, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 16, 24, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 18, 27, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 16, 27, casef, diacf, foldable_codepoints);
// LB = UB
test_nofold_suffix_prefix_case(tester, long_s, 3, 3, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 16, 16, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 27, 27, casef, diacf, foldable_codepoints);
// 32 > UB > len
test_nofold_suffix_prefix_case(tester, long_s, 3, 29, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 18, 29, casef, diacf, foldable_codepoints);
// UB = 32
test_nofold_suffix_prefix_case(tester, long_s, 3, 32, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 18, 32, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 27, 32, casef, diacf, foldable_codepoints);
// UB > 32
test_nofold_suffix_prefix_case(tester, long_s, 3, 35, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 18, 35, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 27, 32, casef, diacf, foldable_codepoints);
// UB > 48
test_nofold_suffix_prefix_case(tester, long_s, 3, 49, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 18, 49, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 27, 32, casef, diacf, foldable_codepoints);
// 32 >= LB > len
test_nofold_suffix_prefix_case(tester, long_s, 28, 30, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 28, 28, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 28, 32, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 28, 34, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 28, 49, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 32, 32, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 32, 34, casef, diacf, foldable_codepoints);
test_nofold_suffix_prefix_case(tester, long_s, 32, 49, casef, diacf, foldable_codepoints);
}
static const uint32_t UNFOLDED_CASES[] = {0, 1, 3, 16};
// Predefined lengths to test a variety of cases
static const uint32_t SHORT_LEN = 9;
static const uint32_t MEDIUM_LEN = 16;
static const uint32_t LONG_LEN = 27;
static void _test_text_search_str_encode_suffix_prefix(_mongocrypt_tester_t *tester) {
unsigned int seed = (unsigned int)time(0);
TEST_PRINTF("Testing with seed: %u", seed);
srand(seed);
// Run diacritic folding and case+diacritic folding for a variety of folded/unfolded sizes.
for (uint32_t i = 0; i < sizeof(UNFOLDED_CASES) / sizeof(UNFOLDED_CASES[0]); i++) {
char *short_s = build_random_string_to_fold(SHORT_LEN, SHORT_LEN + UNFOLDED_CASES[i]);
char *medium_s = build_random_string_to_fold(MEDIUM_LEN, MEDIUM_LEN + UNFOLDED_CASES[i]);
char *long_s = build_random_string_to_fold(LONG_LEN, LONG_LEN + UNFOLDED_CASES[i]);
for (int casef = 0; casef <= 1; casef++) {
suffix_prefix_run_folding_case(tester,
short_s,
medium_s,
long_s,
casef,
true /* diacf */,
UNFOLDED_CASES[i]);
}
bson_free(short_s);
bson_free(medium_s);
bson_free(long_s);
}
// Run case folding and no folding for different sizes. Only unfolded size matters.
char *short_s = build_random_string_to_fold(SHORT_LEN, SHORT_LEN);
char *medium_s = build_random_string_to_fold(MEDIUM_LEN, MEDIUM_LEN);
char *long_s = build_random_string_to_fold(LONG_LEN, LONG_LEN);
for (int casef = 0; casef <= 1; casef++) {
suffix_prefix_run_folding_case(tester, short_s, medium_s, long_s, casef, false /* diacf*/, 0);
}
bson_free(short_s);
bson_free(medium_s);
bson_free(long_s);
}
static void substring_run_folding_case(_mongocrypt_tester_t *tester,
const char *short_s,
uint32_t short_unfolded_codepoint_len,
const char *medium_s,
uint32_t medium_unfolded_codepoint_len,
const char *long_s,
uint32_t long_unfolded_codepoint_len,
bool casef,
bool diacf,
int foldable_codepoints) {
// LB > 16
test_nofold_substring_case_multiple_mlen(tester,
short_s,
17,
19,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// Simple cases
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
4,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
3,
6,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// LB = UB
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
2,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
9,
9,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB = len
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
9,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// 16 > UB > len
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
14,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB = 16
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
16,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > 16
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
19,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > 32
test_nofold_substring_case_multiple_mlen(tester,
short_s,
2,
35,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// 16 >= LB > len
test_nofold_substring_case_multiple_mlen(tester,
short_s,
12,
19,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
12,
16,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
16,
19,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
12,
35,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
short_s,
16,
35,
short_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// len = 16 cases
// LB > 16
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
17,
19,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// Simple cases
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
4,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
3,
6,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// LB = UB
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
2,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
16,
16,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB = len
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
16,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > len
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
19,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB = 32
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
32,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > 32
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
2,
35,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// LB = len
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
16,
19,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
medium_s,
16,
35,
medium_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// len > 16 cases
// LB > 32
test_nofold_substring_case_multiple_mlen(tester,
long_s,
33,
38,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// Simple cases
test_nofold_substring_case_multiple_mlen(tester,
long_s,
2,
4,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
6,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// LB < 16 <= UB <= len
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
18,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
16,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
27,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// 16 <= LB < UB <= len
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
24,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
16,
24,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
27,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
16,
27,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// LB = UB
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
3,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
16,
16,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
27,
27,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// 32 > UB > len
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
29,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
29,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB = 32
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
32,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
32,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
27,
32,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > 32
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
35,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
35,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
27,
32,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
// UB > 48
test_nofold_substring_case_multiple_mlen(tester,
long_s,
3,
49,
long_unfolded_codepoint_len,
casef,
diacf,
foldable_codepoints);
test_nofold_substring_case_multiple_mlen(tester,
long_s,
18,
49,
long_unfolded_codepoint_len,
casef,
diacf,