void test_LZ78_Compression_Variable_mode_given_input_file_sampleText_forCompresssion_2()
{
InStream *in = initInStream();
OutStream *out = initOutStream();
Dictionary *dictionary = initDictionary(100);
in = openInStream("test/support/Source/sampleText_forCompresssion_2.txt", "rb" , in);
out = openOutStream("test/support/Compressed/Variable/sampleText_forCompresssion_Compressed_Variable_2.txt", "wb" , out);
LZ78_Compressor(dictionary,in,out,Variable);
TEST_ASSERT_EQUAL_STRING("A",dictionary->Entry[0].data);
TEST_ASSERT_EQUAL_STRING("AA",dictionary->Entry[1].data);
TEST_ASSERT_EQUAL_STRING("AAA",dictionary->Entry[2].data);
TEST_ASSERT_EQUAL_STRING("AAA ",dictionary->Entry[3].data);
TEST_ASSERT_EQUAL_STRING("B",dictionary->Entry[4].data);
TEST_ASSERT_EQUAL_STRING("BB",dictionary->Entry[5].data);
TEST_ASSERT_EQUAL_STRING("BBB",dictionary->Entry[6].data);
TEST_ASSERT_EQUAL_STRING("BBBB",dictionary->Entry[7].data);
TEST_ASSERT_EQUAL_STRING("C",dictionary->Entry[8].data);
TEST_ASSERT_EQUAL_STRING("",dictionary->Entry[9].data);
closeInStream(in);
closeOutStream(out);
freeInStream(in);
freeOutStream(out);
destroyDictionary(dictionary,100);
}
void test_lzwEncoder_encode_ban(){
CEXCEPTION_T e;
OutStream *out;
InStream *in;
Dictionary *dictionary = dictionaryNew(4000);
currentByte = 0;
in = openInStream("test/Data/LZWDecodeOutput_3.txt", "rb");
out = openOutStream("test/Data/LZWDecodeOutput_3_enc.txt", "wb");
lzwEncoder(in, dictionary, out);
}
void test_openOutStream_should_open_file_successfully(void)
{
OutStream *out = initOutStream();
out = openOutStream("test/support/zzz.txt", "rb" , out);
TEST_ASSERT_NOT_NULL(out);
TEST_ASSERT_NOT_NULL(out->file);
TEST_ASSERT_EQUAL("test/support/zzz.txt", out->filename);
closeOutStream(out);
freeOutStream(out);
}
void test_lzwEncoder_encode_246(){
CEXCEPTION_T e;
OutStream *out;
InStream *in;
Dictionary *dictionary = dictionaryNew(4000);
currentByte = 0;
Try{
in = openInStream("test/Data/LZW_encode_246.txt", "rb");
}Catch(e){
TEST_ASSERT_EQUAL(ERR_CANNOT_OPEN_FILE, e);
}
out = openOutStream("test/Data/LZW_encode_246_enc.txt", "wb");
lzwEncoder(in, dictionary, out);
}
void test_LZ78_Compression_Variable_mode_given_input_file_libjansson_4_dll_()
{
InStream *in = initInStream();
OutStream *out = initOutStream();
Dictionary *dictionary = initDictionary(4096);
in = openInStream("test/support/Source/libjansson-4.dll", "rb" , in);
out = openOutStream("test/support/Compressed/Variable/libjansson-4_Compressed_Variable.dll", "wb" , out);
LZ78_Compressor(dictionary,in,out,Variable);
closeInStream(in);
closeOutStream(out);
freeInStream(in);
freeOutStream(out);
destroyDictionary(dictionary,4096);
}
void test_streamWriteBits_given_A_bitSize_8_should_flush_A_during_closeOutStream()
{
OutStream *out = initOutStream();
out = openOutStream("test/support/test_streamWriteBits.txt", "wb" , out);
streamWriteBits(out,'A',8);
TEST_ASSERT_EQUAL('A',out->byteToWrite);
TEST_ASSERT_EQUAL(8,out->bitIndex);
closeOutStream(out);
TEST_ASSERT_EQUAL(0,out->byteToWrite);
TEST_ASSERT_EQUAL(0,out->bitIndex);
freeOutStream(out);
}
void test_streamWriteBits_given_ABCDEFGH_bitSize_64_should_flush_ABCDEFGH()
{
char *string = "ABCDEFGH" ;
int i ;
OutStream *out = initOutStream();
out = openOutStream("test/support/test_streamWriteBits_1.txt", "wb" , out);
for( i = 0 ; i < strlen(string) ; i ++ )
streamWriteBits(out,string[i],8);
closeOutStream(out);
TEST_ASSERT_EQUAL(0,out->byteToWrite);
TEST_ASSERT_EQUAL(0,out->bitIndex);
freeOutStream(out);
}
