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#include "sqliteInt.h"
#include "unity.h"
#include <stdlib.h>
#include <string.h>
/* Wrapper for the static function getWhitespace() provided by the build. */
extern int test_getWhitespace(const u8 *z);
void setUp(void) {
/* Setup code here, or leave empty */
}
void tearDown(void) {
/* Cleanup code here, or leave empty */
}
/* Helper macro to cast string literals to u8* safely */
#define U8STR(z) ((const u8*)(z))
void test_getWhitespace_empty_string(void) {
const char *z = "";
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(0, n);
}
void test_getWhitespace_no_leading_whitespace(void) {
const char *z = "SELECT";
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(0, n);
}
void test_getWhitespace_simple_spaces_tabs_newlines(void) {
const char *z = " \t\nabc";
/* Leading whitespace is 3 bytes: space, tab, newline */
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(3, n);
}
void test_getWhitespace_c_style_comment_only_then_token(void) {
const char *z = "/*hello*/world";
/* "/*hello*/" is 9 bytes long */
int expected = 9;
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_c_style_comment_then_whitespace_then_token(void) {
const char *z = "/*x*/ \tY";
/* "/*x*/" = 5, ' ' = 1, '\t' = 1, total = 7 */
int expected = 7;
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_multiple_comments_and_whitespace(void) {
const char *z = " /*a*/\t/*bcd*/ X";
/* ' ' = 1, "/*a*/" = 5, '\t' = 1, "/*bcd*/" = 7, ' ' = 2 => total 16 */
int expected = 16;
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_sql_line_comment_to_eof(void) {
const char *z = "-- hello";
/* Entire string is a line comment to EOF. */
int expected = (int)strlen(z);
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_mixed_leading_ws_and_sql_line_comment_to_eof(void) {
const char *z = " \t--abc";
/* Leading space+tab (2) then line comment "--abc" (5) => total 7; entire string */
int expected = (int)strlen(z);
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_stops_before_non_ws_or_comment_after_comment(void) {
const char *z = "/*a*/X";
/* Should count only the comment (5), then stop before 'X' */
int expected = 5;
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
void test_getWhitespace_all_ws_and_comments_entire_string(void) {
const char *z = " \t/*c*/--d";
/* space(1) + tab(1) + "/*c*/"(5) + "--d"(3) = 10; entire string */
int expected = (int)strlen(z);
int n = test_getWhitespace(U8STR(z));
TEST_ASSERT_EQUAL_INT(expected, n);
}
int main(void) {
UNITY_BEGIN();
RUN_TEST(test_getWhitespace_empty_string);
RUN_TEST(test_getWhitespace_no_leading_whitespace);
RUN_TEST(test_getWhitespace_simple_spaces_tabs_newlines);
RUN_TEST(test_getWhitespace_c_style_comment_only_then_token);
RUN_TEST(test_getWhitespace_c_style_comment_then_whitespace_then_token);
RUN_TEST(test_getWhitespace_multiple_comments_and_whitespace);
RUN_TEST(test_getWhitespace_sql_line_comment_to_eof);
RUN_TEST(test_getWhitespace_mixed_leading_ws_and_sql_line_comment_to_eof);
RUN_TEST(test_getWhitespace_stops_before_non_ws_or_comment_after_comment);
RUN_TEST(test_getWhitespace_all_ws_and_comments_entire_string);
return UNITY_END();
} |