kc3-lang/libqrencode/tests/test_bitstream.c

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• Hash : e16d2882
  Author :
  Date : 2020-08-29T12:06:03
  

  A minor memory leak bug in testing program has been fixed.
  

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• tests/test_bitstream.c

• #include <stdio.h>
  #include <string.h>
  #include "common.h"
  #include "../bitstream.h"
  
  static void test_null(void)
  {
  	BitStream *bstream;
  
  	testStart("Empty stream");
  	bstream = BitStream_new();
  	assert_zero(BitStream_size(bstream), "Size of empty BitStream is not 0.\n");
  	assert_null(BitStream_toByte(bstream), "BitStream_toByte returned non-NULL.\n");
  	assert_nothing(BitStream_free(NULL), "Checking BitStream_free(NULL).\n");
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  static void test_num(void)
  {
  	BitStream *bstream;
  	unsigned int data = 0x13579bdf;
  	char correct[] = "0010011010101111001101111011111";
  
  	testStart("New from num");
  	bstream = BitStream_new();
  	BitStream_appendNum(bstream, 31, data);
  	testEnd(cmpBin(correct, bstream));
  
  	BitStream_free(bstream);
  }
  
  static void test_bytes(void)
  {
  	BitStream *bstream;
  	unsigned char data[1] = {0x3a};
  	char correct[] = "00111010";
  
  	testStart("New from bytes");
  	bstream = BitStream_new();
  	BitStream_appendBytes(bstream, 1, data);
  	testEnd(cmpBin(correct, bstream));
  	BitStream_free(bstream);
  }
  
  static void test_appendNum(void)
  {
  	BitStream *bstream;
  	char correct[] = "10001010 11111111 11111111 00010010001101000101011001111000";
  
  	testStart("Append Num");
  	bstream = BitStream_new();
  
  	BitStream_appendNum(bstream,  8, 0x0000008a);
  	assert_zero(ncmpBin(correct, bstream, 8), "Internal data is incorrect.\n");
  
  	BitStream_appendNum(bstream, 16, 0x0000ffff);
  	assert_zero(ncmpBin(correct, bstream, 24), "Internal data is incorrect.\n");
  
  	BitStream_appendNum(bstream, 32, 0x12345678);
  
  	assert_zero(cmpBin(correct, bstream), "Internal data is incorrect.\n");
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  static void test_appendBytes(void)
  {
  	BitStream *bstream;
  	unsigned char data[8];
  	char correct[] = "10001010111111111111111100010010001101000101011001111000";
  
  	testStart("Append Bytes");
  	bstream = BitStream_new();
  
  	data[0] = 0x8a;
  	BitStream_appendBytes(bstream,  1, data);
  	assert_zero(ncmpBin(correct, bstream, 8), "Internal data is incorrect.");
  
  	data[0] = 0xff;
  	data[1] = 0xff;
  	BitStream_appendBytes(bstream, 2, data);
  	assert_zero(ncmpBin(correct, bstream, 24), "Internal data is incorrect.\n");
  
  	data[0] = 0x12;
  	data[1] = 0x34;
  	data[2] = 0x56;
  	data[3] = 0x78;
  	BitStream_appendBytes(bstream, 4, data);
  
  	assert_zero(cmpBin(correct, bstream), "Internal data is incorrect.\n");
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  static void test_toByte(void)
  {
  	BitStream *bstream;
  	unsigned char correct[] = {
  		0x8a, 0xff, 0xff, 0x12, 0x34, 0x56, 0x78
  	};
  	unsigned char *result;
  
  	testStart("Convert to a byte array");
  	bstream = BitStream_new();
  
  	BitStream_appendBytes(bstream, 1, &correct[0]);
  	BitStream_appendBytes(bstream, 2, &correct[1]);
  	BitStream_appendBytes(bstream, 4, &correct[3]);
  
  	result = BitStream_toByte(bstream);
  	testEnd(memcmp(correct, result, 7));
  
  	BitStream_free(bstream);
  	free(result);
  }
  
  static void test_toByte_4bitpadding(void)
  {
  	BitStream *bstream;
  	unsigned char *result;
  
  	testStart("Convert to a byte array");
  
  	bstream = BitStream_new();
  	BitStream_appendNum(bstream, 4, 0xb);
  	result = BitStream_toByte(bstream);
  	assert_equal(result[0], 0xb0, "incorrect paddings\n");
  	BitStream_free(bstream);
  	free(result);
  
  	bstream = BitStream_new();
  	BitStream_appendNum(bstream, 12, 0x335);
  	result = BitStream_toByte(bstream);
  	assert_equal(result[0], 0x33, "incorrect paddings\n");
  	assert_equal(result[1], 0x50, "incorrect paddings\n");
  	BitStream_free(bstream);
  	free(result);
  
  	testFinish();
  
  }
  
  static void test_size(void)
  {
  	BitStream *bstream;
  
  	testStart("size check");
  	bstream = BitStream_new();
  	assert_equal(BitStream_size(bstream), 0, "Initialized BitStream is not 0 length");
  	BitStream_appendNum(bstream, 1, 0);
  	assert_equal(BitStream_size(bstream), 1, "Size incorrect. (first append)");
  	BitStream_appendNum(bstream, 2, 0);
  	assert_equal(BitStream_size(bstream), 3, "Size incorrect. (second append)");
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  static void test_append(void)
  {
  	BitStream *bs1, *bs2;
  	char c1[] = "00";
  	char c2[] = "0011";
  	char c3[] = "01111111111111111";
  	char c4[] = "001101111111111111111";
  	char c5[] = "0011011111111111111111111111111111";
  	int ret;
  
  	testStart("Append two BitStreams");
  
  	bs1 = BitStream_new();
  	bs2 = BitStream_new();
  	ret = BitStream_appendNum(bs1, 1, 0);
  	ret = BitStream_appendNum(bs2, 1, 0);
  
  	ret = BitStream_append(bs1, bs2);
  	assert_zero(ret, "Failed to append.");
  	assert_zero(cmpBin(c1, bs1), "Internal data is incorrect.");
  
  	ret = BitStream_appendNum(bs1, 2, 3);
  	assert_zero(ret, "Failed to append.");
  	assert_zero(cmpBin(c2, bs1), "Internal data is incorrect.");
  
  	ret = BitStream_appendNum(bs2, 16, 65535);
  	assert_zero(ret, "Failed to append.");
  	assert_zero(cmpBin(c3, bs2), "Internal data is incorrect.");
  
  	ret = BitStream_append(bs1, bs2);
  	assert_zero(ret, "Failed to append.");
  	assert_zero(cmpBin(c4, bs1), "Internal data is incorrect.");
  
  	ret = BitStream_appendNum(bs1, 13, 16383);
  	assert_zero(ret, "Failed to append.");
  	assert_zero(cmpBin(c5, bs1), "Internal data is incorrect.");
  
  	testFinish();
  
  	BitStream_free(bs1);
  	BitStream_free(bs2);
  }
  
  static void test_newWithBits(void)
  {
  	BitStream *bstream;
  	unsigned char data[4] = {0, 1, 0, 1};
  
  	testStart("New with bits");
  
  	bstream = BitStream_newWithBits(4, data);
  	assert_equal(bstream->length, 4, "Internal bit length is incorrect.\n");
  	assert_equal(bstream->datasize, 4, "Internal buffer size is incorrect.\n");
  	assert_zero(cmpBin("0101", bstream), "Internal data is incorrect.\n");
  
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  static void test_newWithBits_size0(void)
  {
  	BitStream *bstream;
  
  	testStart("New with bits (size = 0)");
  
  	bstream = BitStream_newWithBits(0, NULL);
  	assert_equal(bstream->length, 0, "Internal bit length is incorrect.\n");
  	assert_nonzero(bstream->datasize, "Internal buffer size is incorrect.\n");
  	assert_nonnull(bstream->data, "Internal buffer not allocated.\n");
  
  	testFinish();
  
  	BitStream_free(bstream);
  }
  
  int main()
  {
  	int tests = 11;
  	testInit(tests);
  	test_null();
  	test_num();
  	test_bytes();
  	test_appendNum();
  	test_appendBytes();
  	test_toByte();
  	test_toByte_4bitpadding();
  	test_size();
  	test_append();
  	test_newWithBits();
  	test_newWithBits_size0();
  	testReport(tests);
  
  	return 0;
  }
  

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