#include <stdio.h>#include <string.h> #include <parserutils/parserutils.h>#include <parserutils/input/inputstream.h> #include "utils/utils.h" #include "testutils.h" int main(int argc, char **argv){	parserutils_inputstream *stream; 	/* This is specially calculated so that the inputstream is forced to 	 * reallocate (it assumes that the inputstream's buffer chunk size 	 * is 4k) */#define BUFFER_SIZE (4096 + 4)	uint8_t input_buffer[BUFFER_SIZE];//	uint8_t *buffer;//	size_t buflen;	const uint8_t *c;	size_t clen; 	UNUSED(argc);	UNUSED(argv); 	/* Populate the buffer with something sane */	memset(input_buffer, 'a', BUFFER_SIZE);	/* Now, set up our test data */	input_buffer[BUFFER_SIZE - 1] = '5';	input_buffer[BUFFER_SIZE - 2] = '4';	input_buffer[BUFFER_SIZE - 3] = '\xbd';	input_buffer[BUFFER_SIZE - 4] = '\xbf';	/* This byte will occupy the 4095th byte in the buffer and	 * thus cause the entirety of U+FFFD to be buffered until after	 * the buffer has been enlarged */	input_buffer[BUFFER_SIZE - 5] = '\xef';	input_buffer[BUFFER_SIZE - 6] = '3';	input_buffer[BUFFER_SIZE - 7] = '2';	input_buffer[BUFFER_SIZE - 8] = '1'; 	assert(parserutils_inputstream_create("UTF-8", 0, 			NULL, &stream) == PARSERUTILS_OK); 	assert(parserutils_inputstream_append(stream, 			input_buffer, BUFFER_SIZE) == PARSERUTILS_OK); 	assert(parserutils_inputstream_append(stream, NULL, 0) == 			PARSERUTILS_OK); 	while (parserutils_inputstream_peek(stream, 0, &c, &clen) != 			PARSERUTILS_EOF)		parserutils_inputstream_advance(stream, clen); /*	assert(css_inputstream_claim_buffer(stream, &buffer, &buflen) == 			CSS_OK); 	assert(buflen == BUFFER_SIZE); 	printf("Buffer: '%.*s'\n", 8, buffer + (BUFFER_SIZE - 8)); 	assert( buffer[BUFFER_SIZE - 6] == '3' && 		buffer[BUFFER_SIZE - 5] == (uint8_t) '\xef' && 		buffer[BUFFER_SIZE - 4] == (uint8_t) '\xbf' && 		buffer[BUFFER_SIZE - 3] == (uint8_t) '\xbd' && 		buffer[BUFFER_SIZE - 2] == '4'); 	free(buffer);*/ 	parserutils_inputstream_destroy(stream); 	printf("PASS\n"); 	return 0;}