static void TestFwdBack(){
static const uint8_t input[]={0x61, 0xF0, 0x90, 0x90, 0x81, 0xff, 0x62, 0xc0, 0x80, 0x7f, 0x8f, 0xc0, 0x63, 0x81, 0x90, 0x90, 0xF0, 0x00};
static const uint16_t fwd_unsafe[] ={1, 5, 6, 7, 9, 10, 11, 13, 14, 15, 16, 20, };
static const uint16_t fwd_safe[] ={1, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18};
static const uint16_t back_unsafe[]={17, 16, 12, 11, 9, 7, 6, 5, 1, 0};
static const uint16_t back_safe[] ={17, 16, 15, 14, 13, 12, 11, 10, 9, 7, 6, 5, 1, 0};
static const uint16_t Nvalue[]= {0, 1, 2, 3, 1, 2, 1, 5};
static const uint16_t fwd_N_unsafe[] ={0, 1, 6, 10, 11, 14, 15};
static const uint16_t fwd_N_safe[] ={0, 1, 6, 10, 11, 13, 14, 18}; /*safe macro keeps it at the end of the string */
static const uint16_t back_N_unsafe[]={18, 17, 12, 7, 6, 1, 0};
static const uint16_t back_N_safe[] ={18, 17, 15, 12, 11, 9, 7, 0};
uint32_t offunsafe=0, offsafe=0;
uint32_t i=0;
while(offunsafe < sizeof(input)){
UTF8_FWD_1_UNSAFE(input, offunsafe);
if(offunsafe != fwd_unsafe[i]){
log_err("ERROR: Forward_unsafe offset expected:%d, Got:%d\n", fwd_unsafe[i], offunsafe);
}
i++;
}
i=0;
while(offunsafe < sizeof(input)){
U8_FWD_1_UNSAFE(input, offunsafe);
if(offunsafe != fwd_unsafe[i]){
log_err("ERROR: U8_FWD_1_UNSAFE offset expected:%d, Got:%d\n", fwd_unsafe[i], offunsafe);
}
i++;
}
i=0;
while(offsafe < sizeof(input)){
UTF8_FWD_1_SAFE(input, offsafe, sizeof(input));
if(offsafe != fwd_safe[i]){
log_err("ERROR: Forward_safe offset expected:%d, Got:%d\n", fwd_safe[i], offsafe);
}
i++;
}
i=0;
while(offsafe < sizeof(input)){
U8_FWD_1(input, offsafe, sizeof(input));
if(offsafe != fwd_safe[i]){
log_err("ERROR: U8_FWD_1 offset expected:%d, Got:%d\n", fwd_safe[i], offsafe);
}
i++;
}
offunsafe=sizeof(input);
i=0;
while(offunsafe > 0){
UTF8_BACK_1_UNSAFE(input, offunsafe);
if(offunsafe != back_unsafe[i]){
log_err("ERROR: Backward_unsafe offset expected:%d, Got:%d\n", back_unsafe[i], offunsafe);
}
i++;
}
offunsafe=sizeof(input);
i=0;
while(offunsafe > 0){
U8_BACK_1_UNSAFE(input, offunsafe);
if(offunsafe != back_unsafe[i]){
log_err("ERROR: U8_BACK_1_UNSAFE offset expected:%d, Got:%d\n", back_unsafe[i], offunsafe);
}
i++;
}
i=0;
offsafe=sizeof(input);
while(offsafe > 0){
UTF8_BACK_1_SAFE(input, 0, offsafe);
if(offsafe != back_safe[i]){
log_err("ERROR: Backward_safe offset expected:%d, Got:%d\n", back_unsafe[i], offsafe);
}
i++;
}
i=0;
offsafe=sizeof(input);
while(offsafe > 0){
U8_BACK_1(input, 0, offsafe);
if(offsafe != back_safe[i]){
log_err("ERROR: U8_BACK_1 offset expected:%d, Got:%d\n", back_unsafe[i], offsafe);
}
i++;
}
offunsafe=0;
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0])-2; i++){
UTF8_FWD_N_UNSAFE(input, offunsafe, Nvalue[i]);
if(offunsafe != fwd_N_unsafe[i]){
log_err("ERROR: Forward_N_unsafe offset=%d expected:%d, Got:%d\n", i, fwd_N_unsafe[i], offunsafe);
}
}
offunsafe=0;
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0])-2; i++){
U8_FWD_N_UNSAFE(input, offunsafe, Nvalue[i]);
if(offunsafe != fwd_N_unsafe[i]){
log_err("ERROR: U8_FWD_N_UNSAFE offset=%d expected:%d, Got:%d\n", i, fwd_N_unsafe[i], offunsafe);
}
}
offsafe=0;
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0]); i++){
UTF8_FWD_N_SAFE(input, offsafe, sizeof(input), Nvalue[i]);
if(offsafe != fwd_N_safe[i]){
log_err("ERROR: Forward_N_safe offset=%d expected:%d, Got:%d\n", i, fwd_N_safe[i], offsafe);
}
}
offsafe=0;
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0]); i++){
U8_FWD_N(input, offsafe, sizeof(input), Nvalue[i]);
if(offsafe != fwd_N_safe[i]){
log_err("ERROR: U8_FWD_N offset=%d expected:%d, Got:%d\n", i, fwd_N_safe[i], offsafe);
}
}
offunsafe=sizeof(input);
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0])-2; i++){
UTF8_BACK_N_UNSAFE(input, offunsafe, Nvalue[i]);
if(offunsafe != back_N_unsafe[i]){
log_err("ERROR: backward_N_unsafe offset=%d expected:%d, Got:%d\n", i, back_N_unsafe[i], offunsafe);
}
}
offunsafe=sizeof(input);
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0])-2; i++){
U8_BACK_N_UNSAFE(input, offunsafe, Nvalue[i]);
if(offunsafe != back_N_unsafe[i]){
log_err("ERROR: U8_BACK_N_UNSAFE offset=%d expected:%d, Got:%d\n", i, back_N_unsafe[i], offunsafe);
}
}
offsafe=sizeof(input);
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0]); i++){
UTF8_BACK_N_SAFE(input, 0, offsafe, Nvalue[i]);
if(offsafe != back_N_safe[i]){
log_err("ERROR: backward_N_safe offset=%d expected:%d, Got:%ld\n", i, back_N_safe[i], offsafe);
}
}
offsafe=sizeof(input);
for(i=0; i<sizeof(Nvalue)/sizeof(Nvalue[0]); i++){
U8_BACK_N(input, 0, offsafe, Nvalue[i]);
if(offsafe != back_N_safe[i]){
log_err("ERROR: U8_BACK_N offset=%d expected:%d, Got:%ld\n", i, back_N_safe[i], offsafe);
}
}
}
static void TestFwdBackUnsafe() {
/*
* Use a (mostly) well-formed UTF-8 string and test at code point boundaries.
* The behavior of _UNSAFE macros for ill-formed strings is undefined.
*/
static const uint8_t input[]={
0x61,
0xf0, 0x90, 0x90, 0x81,
0xc0, 0x80, /* non-shortest form */
0xe2, 0x82, 0xac,
0xc2, 0xa1,
0xf4, 0x8f, 0xbf, 0xbf,
0x00
};
static const int8_t boundaries[]={ 0, 1, 5, 7, 10, 12, 16, 17 };
int32_t offset;
int32_t i;
for(i=1, offset=0; offset<LENGTHOF(input); ++i) {
UTF8_FWD_1_UNSAFE(input, offset);
if(offset != boundaries[i]){
log_err("ERROR: UTF8_FWD_1_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=1, offset=0; offset<LENGTHOF(input); ++i) {
U8_FWD_1_UNSAFE(input, offset);
if(offset != boundaries[i]){
log_err("ERROR: U8_FWD_1_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=LENGTHOF(boundaries)-2, offset=LENGTHOF(input); offset>0; --i) {
UTF8_BACK_1_UNSAFE(input, offset);
if(offset != boundaries[i]){
log_err("ERROR: UTF8_BACK_1_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=LENGTHOF(boundaries)-2, offset=LENGTHOF(input); offset>0; --i) {
U8_BACK_1_UNSAFE(input, offset);
if(offset != boundaries[i]){
log_err("ERROR: U8_BACK_1_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=0; i<LENGTHOF(boundaries); ++i) {
offset=0;
UTF8_FWD_N_UNSAFE(input, offset, i);
if(offset != boundaries[i]) {
log_err("ERROR: UTF8_FWD_N_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=0; i<LENGTHOF(boundaries); ++i) {
offset=0;
U8_FWD_N_UNSAFE(input, offset, i);
if(offset != boundaries[i]) {
log_err("ERROR: U8_FWD_N_UNSAFE offset expected:%d, Got:%d\n", boundaries[i], offset);
}
}
for(i=0; i<LENGTHOF(boundaries); ++i) {
int32_t j=LENGTHOF(boundaries)-1-i;
offset=LENGTHOF(input);
UTF8_BACK_N_UNSAFE(input, offset, i);
if(offset != boundaries[j]) {
log_err("ERROR: UTF8_BACK_N_UNSAFE offset expected:%d, Got:%d\n", boundaries[j], offset);
}
}
for(i=0; i<LENGTHOF(boundaries); ++i) {
int32_t j=LENGTHOF(boundaries)-1-i;
offset=LENGTHOF(input);
U8_BACK_N_UNSAFE(input, offset, i);
if(offset != boundaries[j]) {
log_err("ERROR: U8_BACK_N_UNSAFE offset expected:%d, Got:%d\n", boundaries[j], offset);
}
}
}