kc3-lang/libqrencode/tests/test_rs.c

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• Hash : f8ceb0d2
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  Date : 2020-08-28T18:38:00
  

  All test programs are now TAP-ready.
  

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• tests/test_rs.c

• #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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