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#include "test_framework.h"
#include <string.h>
#include <stdio.h>
static int escape_wifi_field(const char *src, char *dst, int dst_size) {
int si = 0, di = 0;
while (src[si] && di < dst_size - 2) {
char c = src[si];
if (c == '\\' || c == ';' || c == ':' || c == ',' || c == '"') {
if (di + 2 >= dst_size) break;
dst[di++] = '\\';
dst[di++] = c;
} else {
dst[di++] = c;
}
si++;
}
dst[di] = '\0';
return di;
}
static int test_escape_no_special(void) {
char dst[64];
int len = escape_wifi_field("HelloWorld", dst, sizeof(dst));
ASSERT(strcmp(dst, "HelloWorld") == 0, "no special chars unchanged");
ASSERT(len == 10, "no special chars length correct");
return 0;
}
static int test_escape_semicolon(void) {
char dst[64];
int len = escape_wifi_field("Hello;World", dst, sizeof(dst));
ASSERT(strcmp(dst, "Hello\\;World") == 0, "semicolon escaped");
ASSERT(len == 12, "semicolon escaped length correct");
return 0;
}
static int test_escape_colon(void) {
char dst[64];
int len = escape_wifi_field("Hello:World", dst, sizeof(dst));
ASSERT(strcmp(dst, "Hello\\:World") == 0, "colon escaped");
ASSERT(len == 12, "colon escaped length correct");
return 0;
}
static int test_escape_backslash(void) {
char dst[64];
int len = escape_wifi_field("Hello\\World", dst, sizeof(dst));
ASSERT(strcmp(dst, "Hello\\\\World") == 0, "backslash escaped");
ASSERT(len == 12, "backslash escaped length correct");
return 0;
}
static int test_escape_comma(void) {
char dst[64];
int len = escape_wifi_field("Hello,World", dst, sizeof(dst));
ASSERT(strcmp(dst, "Hello\\,World") == 0, "comma escaped");
ASSERT(len == 12, "comma escaped length correct");
return 0;
}
static int test_escape_quote(void) {
char dst[64];
int len = escape_wifi_field("Hello\"World", dst, sizeof(dst));
ASSERT(strcmp(dst, "Hello\\\"World") == 0, "quote escaped");
ASSERT(len == 12, "quote escaped length correct");
return 0;
}
static int test_escape_multiple(void) {
char dst[64];
int len = escape_wifi_field("a;b:c\\d", dst, sizeof(dst));
ASSERT(strcmp(dst, "a\\;b\\:c\\\\d") == 0, "multiple special chars escaped");
ASSERT(len == 10, "multiple special chars length correct");
return 0;
}
static int test_escape_empty(void) {
char dst[64];
int len = escape_wifi_field("", dst, sizeof(dst));
ASSERT(strcmp(dst, "") == 0, "empty string stays empty");
ASSERT(len == 0, "empty string length is 0");
return 0;
}
static int test_escape_overflow(void) {
char dst[5];
int len = escape_wifi_field("Hello;World", dst, sizeof(dst));
ASSERT(len < (int)sizeof(dst), "output truncated on overflow");
ASSERT(dst[len] == '\0', "still null-terminated after truncation");
return 0;
}
static int test_escape_ssid_like(void) {
char dst[64];
int len = escape_wifi_field("TollGate-C0E9CA", dst, sizeof(dst));
ASSERT(strcmp(dst, "TollGate-C0E9CA") == 0, "TollGate SSID no escaping needed");
ASSERT(len == 15, "TollGate SSID length correct");
return 0;
}
static int test_escape_all_special_in_one(void) {
char dst[64];
int len = escape_wifi_field("\\;:,\"", dst, sizeof(dst));
ASSERT(strcmp(dst, "\\\\\\;\\:\\,\\\"") == 0, "all special chars in sequence");
ASSERT(len == 10, "all special chars length correct");
return 0;
}
int main(void) {
int failed = 0;
failed += test_escape_no_special();
failed += test_escape_semicolon();
failed += test_escape_colon();
failed += test_escape_backslash();
failed += test_escape_comma();
failed += test_escape_quote();
failed += test_escape_multiple();
failed += test_escape_empty();
failed += test_escape_overflow();
failed += test_escape_ssid_like();
failed += test_escape_all_special_in_one();
if (failed == 0) {
printf("\n=== ALL DISPLAY TESTS PASSED ===\n");
}
return failed;
}
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