AryaWu/sqlite

1#include "sqliteInt.h"2#include "unity.h"3#include <stdlib.h>4#include <string.h>5#include <stdint.h>6 7/* Forward declaration of the opaque struct type from the SQLite module. */8struct compareInfo;9 10/* Prototype of the provided test wrapper for the static function. */11int test_patternCompare(const u8 *zPattern, const u8 *zString,12                        const struct compareInfo *pInfo, u32 matchOther);13 14/* Helpers to construct compareInfo blobs without redefining the struct. */15static void fillCompareInfo(u8 info[4], u8 matchAll, u8 matchOne, u8 matchSet, u8 noCase){16  info[0] = matchAll;17  info[1] = matchOne;18  info[2] = matchSet;19  info[3] = noCase;20}21 22/* Callers for GLOB and LIKE */23static int globCmp(const char *pattern, const char *z, int noCase){24  u8 info[4];25  /* GLOB: matchAll='*', matchOne='?', matchSet='[', noCase as given */26  fillCompareInfo(info, (u8)'*', (u8)'?', (u8)'[', (u8)(noCase?1:0));27  return test_patternCompare((const u8*)pattern, (const u8*)z,28                             (const struct compareInfo*)info, (u32)'[');29}30static int likeCmp(const char *pattern, const char *z, int noCase, int esc){31  u8 info[4];32  /* LIKE: matchAll='%', matchOne='_', matchSet=0, noCase as given */33  fillCompareInfo(info, (u8)'%', (u8)'_', (u8)0, (u8)(noCase?1:0));34  return test_patternCompare((const u8*)pattern, (const u8*)z,35                             (const struct compareInfo*)info, (u32)(esc & 0xFF));36}37 38/* Unity fixtures */39void setUp(void) {}40void tearDown(void) {}41 42/* Tests */43 44void test_patternCompare_glob_exact_match_and_mismatch(void){45  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("abc", "abc", 0));46  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("abc", "abd", 0));47  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("abc", "abcd", 0));48  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("abcd", "abc", 0));49}50 51void test_patternCompare_glob_star_and_question(void){52  /* '*' matches any sequence; '?' matches exactly one char */53  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("a*bc", "axyzbc", 0));54  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("*", "", 0));55  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("*", "anything", 0));56  /* "*?" requires at least one character */57  TEST_ASSERT_EQUAL_INT(SQLITE_NOWILDCARDMATCH, globCmp("*?", "", 0));58  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("*?", "x", 0));59  /* Multiple '?' each consumes exactly one character */60  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("ab??d", "abXYd", 0));61  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("ab??d", "abXd", 0));62}63 64void test_patternCompare_glob_sets_basic_and_negated(void){65  /* Basic set [a-c] */66  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[a-c]x", "bx", 0));67  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("[a-c]x", "dx", 0));68  /* Negated set [^a-c] */69  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[^a-c]x", "dx", 0));70  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("[^a-c]x", "bx", 0));71}72 73void test_patternCompare_glob_sets_including_bracket_and_dash(void){74  /* ']' as a member when first in set */75  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[]]x", "]x", 0));76  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("[]]x", "ax", 0));77  /* Include ']' and 'a' in the set */78  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[]a]x", "]x", 0));79  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[]a]x", "ax", 0));80  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("[]a]x", "bx", 0));81  /* '-' literal at end of set */82  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[abc-]", "b", 0));83  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("[abc-]", "-", 0));84  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("[abc-]", "d", 0));85}86 87void test_patternCompare_glob_recursive_star_followed_by_set(void){88  /* Pattern "*[0-9]" requires a digit somewhere; recursive search path */89  TEST_ASSERT_EQUAL_INT(SQLITE_NOWILDCARDMATCH, globCmp("*[0-9]", "abc", 0));90  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("*[0-9]", "ab3", 0));91  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("*[0-9]xyz", "zzz5xyz", 0));92}93 94void test_patternCompare_like_percent_and_underscore(void){95  /* Basic LIKE: % and _ */96  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, likeCmp("a%bc", "axyzbc", 0, 0));97  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, likeCmp("_b_", "abc", 0, 0));98  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, likeCmp("_b_", "ab", 0, 0));99  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, likeCmp("_b_", "abbc", 0, 0));100}101 102void test_patternCompare_like_escape_of_underscore(void){103  /* Escape '_' so it is matched literally */104  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, likeCmp("a\\_c", "a_c", 0, '\\'));105  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, likeCmp("a\\_c", "abc", 0, '\\'));106}107 108void test_patternCompare_like_case_insensitive(void){109  /* Case-insensitive LIKE (noCase=1) */110  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, likeCmp("a%Z", "aBcZ", 1, 0));111  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, likeCmp("A%z", "abcz", 1, 0));112  /* Case-sensitive should not match different case at fixed positions */113  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, likeCmp("a%Z", "aBcz", 0, 0));114}115 116void test_patternCompare_like_nowildcardmatch_scenarios(void){117  /* "%a" cannot match "bbb" -> NOWILDCARDMATCH */118  TEST_ASSERT_EQUAL_INT(SQLITE_NOWILDCARDMATCH, likeCmp("%a", "bbb", 0, 0));119  /* After '%' then escape at end -> NOWILDCARDMATCH */120  TEST_ASSERT_EQUAL_INT(SQLITE_NOWILDCARDMATCH, likeCmp("%\\", "anything", 0, '\\'));121}122 123void test_patternCompare_utf8_matchOne(void){124  /* Single UTF-8 character should be matched by single '?' in GLOB */125  const char *euro = "\xE2\x82\xAC"; /* U+20AC */126  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("?", euro, 0));127  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("??", euro, 0));128}129 130void test_patternCompare_glob_case_insensitive_basic(void){131  /* Case-insensitive GLOB (non-standard, but supported via noCase flag) */132  TEST_ASSERT_EQUAL_INT(SQLITE_MATCH, globCmp("Ab*", "abacus", 1));133  TEST_ASSERT_EQUAL_INT(SQLITE_NOMATCH, globCmp("Ab*", "abacus", 0));134}135 136int main(void){137  UNITY_BEGIN();138  RUN_TEST(test_patternCompare_glob_exact_match_and_mismatch);139  RUN_TEST(test_patternCompare_glob_star_and_question);140  RUN_TEST(test_patternCompare_glob_sets_basic_and_negated);141  RUN_TEST(test_patternCompare_glob_sets_including_bracket_and_dash);142  RUN_TEST(test_patternCompare_glob_recursive_star_followed_by_set);143  RUN_TEST(test_patternCompare_like_percent_and_underscore);144  RUN_TEST(test_patternCompare_like_escape_of_underscore);145  RUN_TEST(test_patternCompare_like_case_insensitive);146  RUN_TEST(test_patternCompare_like_nowildcardmatch_scenarios);147  RUN_TEST(test_patternCompare_utf8_matchOne);148  RUN_TEST(test_patternCompare_glob_case_insensitive_basic);149  return UNITY_END();150}