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#include <stdio.h>
#include <string.h>
#include "common.h"
#include "../qrencode_inner.h"
#include "../qrspec.h"
#include "../mqrspec.h"
#include "../qrinput.h"
#include "../rsecc.h"
#include "decoder.h"
#include "rsecc_decoder.h"
#include "rscode.h"
/* See pp. 73 of JIS X0510:2004 */
void test_rscodeexample(void)
{
QRinput *stream;
QRRawCode *code;
static const char str[9] = "01234567";
static unsigned char correct[26] = {
0x10, 0x20, 0x0c, 0x56, 0x61, 0x80, 0xec, 0x11, 0xec, 0x11, 0xec, 0x11,
0xec, 0x11, 0xec, 0x11, 0xa5, 0x24, 0xd4, 0xc1, 0xed, 0x36, 0xc7, 0x87,
0x2c, 0x55};
testStart("RS ecc test");
stream = QRinput_new();
QRinput_append(stream, QR_MODE_NUM, 8, (unsigned char *)str);
QRinput_setErrorCorrectionLevel(stream, QR_ECLEVEL_M);
code = QRraw_new(stream);
testEnd(memcmp(correct + 16, code->rsblock[0].ecc, 10));
QRinput_free(stream);
QRraw_free(code);
}
static void compareRS(unsigned char data[])
{
int i, j;
RS *rs;
int spec[5];
int dl, el;
unsigned char ecc_expected[256], ecc_rscodec[256];
for(i = 1; i <= QRSPEC_VERSION_MAX; i++) {
for(j = QR_ECLEVEL_L; j <= QR_ECLEVEL_H; j++) {
QRspec_getEccSpec(i, (QRecLevel)j, spec);
dl = QRspec_rsDataCodes1(spec);
el = QRspec_rsEccCodes1(spec);
rs = init_rs(8, 0x11d, 0, 1, el, 255 - dl - el);
RSECC_encode(dl, el, data, ecc_rscodec);
encode_rs_char(rs, data, ecc_expected);
assert_zero(memcmp(ecc_expected, ecc_rscodec, el), "Invalid ECC found: length %d.\n", el);
assert_zero(RSECC_decoder_checkSyndrome(dl, data, el, ecc_rscodec), "ECC error found.");
free_rs_char(rs);
dl = QRspec_rsDataCodes2(spec);
el = QRspec_rsEccCodes2(spec);
if(dl != 0) {
rs = init_rs(8, 0x11d, 0, 1, el, 255 - dl - el);
RSECC_encode(dl, el, data, ecc_rscodec);
encode_rs_char(rs, data, ecc_expected);
assert_zero(memcmp(ecc_expected, ecc_rscodec, el), "Invalid ECC found: length %d.\n", el);
assert_zero(RSECC_decoder_checkSyndrome(dl, data, el, ecc_rscodec), "ECC error found.");
free_rs_char(rs);
}
}
}
}
static void compareRSMQR(unsigned char data[])
{
int i, j;
RS *rs;
int dl, el;
unsigned char ecc_expected[256], ecc_rscodec[256];
for(i = 1; i <= MQRSPEC_VERSION_MAX; i++) {
for(j = QR_ECLEVEL_L; j <= QR_ECLEVEL_Q; j++) {
dl = MQRspec_getDataLength(i, (QRecLevel)j);
el = MQRspec_getECCLength(i, (QRecLevel)j);
if(dl != 0) {
rs = init_rs(8, 0x11d, 0, 1, el, 255 - dl - el);
RSECC_encode(dl, el, data, ecc_rscodec);
encode_rs_char(rs, data, ecc_expected);
assert_zero(memcmp(ecc_expected, ecc_rscodec, el), "Invalid ECC found: length %d.\n", el);
assert_zero(RSECC_decoder_checkSyndrome(dl, data, el, ecc_rscodec), "ECC error found.");
free_rs_char(rs);
}
}
}
}
void test_allQRSizeAndECCLevel(void)
{
int i;
unsigned char data[256];
testStart("Comparing with KA9Q's code: all QR Code sizes and ECC levels");
memset(data, 0, 256);
compareRS(data);
compareRSMQR(data);
memset(data, 0xaa, 256);
compareRS(data);
compareRSMQR(data);
memset(data, 0xff, 256);
compareRS(data);
compareRSMQR(data);
for(i=0; i<256; i++) {
data[i] = i;
}
compareRS(data);
compareRSMQR(data);
testFinish();
}
int main()
{
RSECC_decoder_init();
int tests = 2;
testInit(tests);
test_rscodeexample();
test_allQRSizeAndECCLevel();
testReport(tests);
return 0;
}
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