src/test_libFLAC/bitwriter.c - platform/external/flac - Git at Google

 /* test_libFLAC - Unit tester for libFLAC
  * Copyright (C) 2000-2009  Josh Coalson
  * Copyright (C) 2011-2018  Xiph.Org Foundation
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */

 #ifdef HAVE_CONFIG_H
 #  include <config.h>
 #endif

 #include "FLAC/assert.h"
 #include "share/compat.h"
 #include "private/bitwriter.h" /* from the libFLAC private include area */
 #include "bitwriter.h"
 #include <stdio.h>
 #include <string.h> /* for memcmp() */

 /*
  * WATCHOUT!  Since FLAC__BitWriter is a private structure, we use a copy of
  * the definition here to get at the internals.  Make sure this is kept up
  * to date with what is in ../libFLAC/bitwriter.c
  */
 #if (ENABLE_64_BIT_WORDS == 0)

 typedef FLAC__uint32 bwword;
 #define FLAC__BYTES_PER_WORD 4
 #define FLAC__BITS_PER_WORD 32
 #define PRI_BWWORD "08x"

 #else

 typedef FLAC__uint64 bwword;
 #define FLAC__BYTES_PER_WORD 8
 #define FLAC__BITS_PER_WORD 64
 #define PRI_BWWORD "016" PRIx64

 #endif

 struct FLAC__BitWriter {
 	bwword *buffer;
 	bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */
 	uint32_t capacity; /* capacity of buffer in words */
 	uint32_t words; /* # of complete words in buffer */
 	uint32_t bits; /* # of used bits in accum */
 };

 #define WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD)
 #define TOTAL_BITS(bw) (WORDS_TO_BITS((bw)->words) + (bw)->bits)


 FLAC__bool test_bitwriter(void)
 {
 	FLAC__BitWriter *bw;
 	FLAC__bool ok;
 	uint32_t i, j;
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	static bwword test_pattern1[5] = { 0xaaf0aabe, 0xaaaaaaa8, 0x300aaaaa, 0xaaadeadb, 0x00eeface };
 #else
 	static bwword test_pattern1[5] = { 0xbeaaf0aa, 0xa8aaaaaa, 0xaaaa0a30, 0xdbeaadaa, 0x00eeface };
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 #if WORDS_BIGENDIAN
 	static bwword test_pattern1[3] = { FLAC__U64L(0xaaf0aabeaaaaaaa8), FLAC__U64L(0x300aaaaaaaadeadb), FLAC__U64L(0x0000000000eeface) };
 #else
 	static bwword test_pattern1[3] = { FLAC__U64L(0xa8aaaaaabeaaf0aa), FLAC__U64L(0xdbeaadaaaaaa0a30), FLAC__U64L(0x0000000000eeface) };
 #endif
 #else
 #error FLAC__BYTES_PER_WORD is neither 4 nor 8 -- not implemented
 #endif
 	uint32_t words, bits; /* what we think bw->words and bw->bits should be */

 	printf("\n+++ libFLAC unit test: bitwriter\n\n");

 	/*
 	 * test new -> delete
 	 */
 	printf("testing new... ");
 	bw = FLAC__bitwriter_new();
 	if(0 == bw) {
 		printf("FAILED, returned NULL\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing delete... ");
 	FLAC__bitwriter_delete(bw);
 	printf("OK\n");

 	/*
 	 * test new -> init -> delete
 	 */
 	printf("testing new... ");
 	bw = FLAC__bitwriter_new();
 	if(0 == bw) {
 		printf("FAILED, returned NULL\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing init... ");
 	if(!FLAC__bitwriter_init(bw)) {
 		printf("FAILED, returned false\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing delete... ");
 	FLAC__bitwriter_delete(bw);
 	printf("OK\n");

 	/*
 	 * test new -> init -> clear -> delete
 	 */
 	printf("testing new... ");
 	bw = FLAC__bitwriter_new();
 	if(0 == bw) {
 		printf("FAILED, returned NULL\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing init... ");
 	if(!FLAC__bitwriter_init(bw)) {
 		printf("FAILED, returned false\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing clear... ");
 	FLAC__bitwriter_clear(bw);
 	printf("OK\n");

 	printf("testing delete... ");
 	FLAC__bitwriter_delete(bw);
 	printf("OK\n");

 	/*
 	 * test normal usage
 	 */
 	printf("testing new... ");
 	bw = FLAC__bitwriter_new();
 	if(0 == bw) {
 		printf("FAILED, returned NULL\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing init... ");
 	if(!FLAC__bitwriter_init(bw)) {
 		printf("FAILED, returned false\n");
 		return false;
 	}
 	printf("OK\n");

 	printf("testing clear... ");
 	FLAC__bitwriter_clear(bw);
 	printf("OK\n");

 	words = bits = 0;

 	printf("capacity = %u\n", bw->capacity);

 	printf("testing zeroes, raw_uint32*... ");
 	ok =
 		FLAC__bitwriter_write_raw_uint32(bw, 0x1, 1) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0x1, 2) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0xa, 5) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0xf0, 8) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0x2aa, 10) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0xf, 4) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32) &&
 		FLAC__bitwriter_write_zeroes(bw, 4) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0x3, 2) &&
 		FLAC__bitwriter_write_zeroes(bw, 8) &&
 		FLAC__bitwriter_write_raw_uint64(bw, FLAC__U64L(0xaaaaaaaadeadbeef), 64) &&
 		FLAC__bitwriter_write_raw_uint32(bw, 0xace, 12)
 	;
 	if(!ok) {
 		printf("FAILED\n");
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	/* we wrote 152 bits (=19 bytes) to the bitwriter */
 	words = 152 / FLAC__BITS_PER_WORD;
 	bits = 152 - words*FLAC__BITS_PER_WORD;

 	if(bw->words != words) {
 		printf("FAILED word count %u != %u\n", bw->words, words);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if(bw->bits != bits) {
 		printf("FAILED bit count %u != %u\n", bw->bits, bits);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
 		printf("FAILED pattern match (buffer)\n");
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if((bw->accum & 0x00ffffff) != test_pattern1[words]) {
 		printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x00ffffff, test_pattern1[words]);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	printf("OK\n");
 	FLAC__bitwriter_dump(bw, stdout);

 	printf("testing raw_uint32 some more... ");
 	ok = FLAC__bitwriter_write_raw_uint32(bw, 0x3d, 6);
 	if(!ok) {
 		printf("FAILED\n");
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	bits += 6;
 	test_pattern1[words] <<= 6;
 	test_pattern1[words] |= 0x3d;
 	if(bw->words != words) {
 		printf("FAILED word count %u != %u\n", bw->words, words);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if(bw->bits != bits) {
 		printf("FAILED bit count %u != %u\n", bw->bits, bits);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
 		printf("FAILED pattern match (buffer)\n");
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	if((bw->accum & 0x3fffffff) != test_pattern1[words]) {
 		printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x3fffffff, test_pattern1[words]);
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	printf("OK\n");
 	FLAC__bitwriter_dump(bw, stdout);

 	printf("testing utf8_uint32(0x00000000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000000);
 	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x0000007F)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x0000007F);
 	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x00000080)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000080);
 	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x000007FF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x000007FF);
 	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x00000800)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000800);
 	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x0000FFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x0000FFFF);
 	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x00010000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x00010000);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
 #else
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080;
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x001FFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x001FFFFF);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
 #else
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF;
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x00200000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x00200000);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
 #else
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x03FFFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x03FFFFFF);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
 #else
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x04000000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x04000000);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
 #else
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint32(0x7FFFFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint32(bw, 0x7FFFFFFF);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
 #else
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000000000000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000000));
 	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x000000000000007F)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000007F));
 	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000000000080)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000080));
 	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x00000000000007FF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000000007FF));
 	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000000000800)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000800));
 	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x000000000000FFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000FFFF));
 	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000000010000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000010000));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
 #else
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080;
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x00000000001FFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000001FFFFF));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
 #else
 	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF;
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000000200000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000200000));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
 #else
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000003FFFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000003FFFFFF));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
 #else
 	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000004000000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000004000000));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
 #else
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x000000007FFFFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000007FFFFFFF));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
 #else
 	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000080000000)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000080000000));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFE828080 && (bw->accum & 0xffffff) == 0x808080;
 #else
 	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0x808082FE && (bw->accum & 0xffffff) == 0x808080;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFE828080808080);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing utf8_uint64(0x0000000FFFFFFFFF)... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000FFFFFFFFF));
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFEBFBFBF && (bw->accum & 0xffffff) == 0xBFBFBF;
 #else
 	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xBFBFBFFE && (bw->accum & 0xffffff) == 0xBFBFBF;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 	ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFEBFBFBFBFBFBF);
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}

 	printf("testing grow... ");
 	FLAC__bitwriter_clear(bw);
 	FLAC__bitwriter_write_raw_uint32(bw, 0x5, 4);
 	j = bw->capacity;
 	for(i = 0; i < j; i++)
 		FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32);
 #if FLAC__BYTES_PER_WORD == 4
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0x5aaaaaaa && (bw->accum & 0xf) == 0xa;
 #else
 	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0xaaaaaa5a && (bw->accum & 0xf) == 0xa;
 #endif
 #elif FLAC__BYTES_PER_WORD == 8
 #if WORDS_BIGENDIAN
 	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0x5aaaaaaaaaaaaaaa) && (bw->accum & 0xf) == 0xa;
 #else
 	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0xaaaaaaaaaaaaaa5a) && (bw->accum & 0xf) == 0xa;
 #endif
 #endif
 	printf("%s\n", ok?"OK":"FAILED");
 	if(!ok) {
 		FLAC__bitwriter_dump(bw, stdout);
 		return false;
 	}
 	printf("capacity = %u\n", bw->capacity);

 	printf("testing free... ");
 	FLAC__bitwriter_free(bw);
 	printf("OK\n");

 	printf("testing delete... ");
 	FLAC__bitwriter_delete(bw);
 	printf("OK\n");

 	printf("\nPASSED!\n");
 	return true;
 }
	/* test_libFLAC - Unit tester for libFLAC
	* Copyright (C) 2000-2009 Josh Coalson
	* Copyright (C) 2011-2018 Xiph.Org Foundation
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License along
	* with this program; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	*/

	#ifdef HAVE_CONFIG_H
	# include <config.h>
	#endif

	#include "FLAC/assert.h"
	#include "share/compat.h"
	#include "private/bitwriter.h" /* from the libFLAC private include area */
	#include "bitwriter.h"
	#include <stdio.h>
	#include <string.h> /* for memcmp() */

	/*
	* WATCHOUT! Since FLAC__BitWriter is a private structure, we use a copy of
	* the definition here to get at the internals. Make sure this is kept up
	* to date with what is in ../libFLAC/bitwriter.c
	*/
	#if (ENABLE_64_BIT_WORDS == 0)

	typedef FLAC__uint32 bwword;
	#define FLAC__BYTES_PER_WORD 4
	#define FLAC__BITS_PER_WORD 32
	#define PRI_BWWORD "08x"

	#else

	typedef FLAC__uint64 bwword;
	#define FLAC__BYTES_PER_WORD 8
	#define FLAC__BITS_PER_WORD 64
	#define PRI_BWWORD "016" PRIx64

	#endif

	struct FLAC__BitWriter {
	bwword *buffer;
	bwword accum; /* accumulator; bits are right-justified; when full, accum is appended to buffer */
	uint32_t capacity; /* capacity of buffer in words */
	uint32_t words; /* # of complete words in buffer */
	uint32_t bits; /* # of used bits in accum */
	};

	#define WORDS_TO_BITS(words) ((words) * FLAC__BITS_PER_WORD)
	#define TOTAL_BITS(bw) (WORDS_TO_BITS((bw)->words) + (bw)->bits)


	FLAC__bool test_bitwriter(void)
	{
	FLAC__BitWriter *bw;
	FLAC__bool ok;
	uint32_t i, j;
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	static bwword test_pattern1[5] = { 0xaaf0aabe, 0xaaaaaaa8, 0x300aaaaa, 0xaaadeadb, 0x00eeface };
	#else
	static bwword test_pattern1[5] = { 0xbeaaf0aa, 0xa8aaaaaa, 0xaaaa0a30, 0xdbeaadaa, 0x00eeface };
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	#if WORDS_BIGENDIAN
	static bwword test_pattern1[3] = { FLAC__U64L(0xaaf0aabeaaaaaaa8), FLAC__U64L(0x300aaaaaaaadeadb), FLAC__U64L(0x0000000000eeface) };
	#else
	static bwword test_pattern1[3] = { FLAC__U64L(0xa8aaaaaabeaaf0aa), FLAC__U64L(0xdbeaadaaaaaa0a30), FLAC__U64L(0x0000000000eeface) };
	#endif
	#else
	#error FLAC__BYTES_PER_WORD is neither 4 nor 8 -- not implemented
	#endif
	uint32_t words, bits; /* what we think bw->words and bw->bits should be */

	printf("\n+++ libFLAC unit test: bitwriter\n\n");

	/*
	* test new -> delete
	*/
	printf("testing new... ");
	bw = FLAC__bitwriter_new();
	if(0 == bw) {
	printf("FAILED, returned NULL\n");
	return false;
	}
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitwriter_delete(bw);
	printf("OK\n");

	/*
	* test new -> init -> delete
	*/
	printf("testing new... ");
	bw = FLAC__bitwriter_new();
	if(0 == bw) {
	printf("FAILED, returned NULL\n");
	return false;
	}
	printf("OK\n");

	printf("testing init... ");
	if(!FLAC__bitwriter_init(bw)) {
	printf("FAILED, returned false\n");
	return false;
	}
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitwriter_delete(bw);
	printf("OK\n");

	/*
	* test new -> init -> clear -> delete
	*/
	printf("testing new... ");
	bw = FLAC__bitwriter_new();
	if(0 == bw) {
	printf("FAILED, returned NULL\n");
	return false;
	}
	printf("OK\n");

	printf("testing init... ");
	if(!FLAC__bitwriter_init(bw)) {
	printf("FAILED, returned false\n");
	return false;
	}
	printf("OK\n");

	printf("testing clear... ");
	FLAC__bitwriter_clear(bw);
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitwriter_delete(bw);
	printf("OK\n");

	/*
	* test normal usage
	*/
	printf("testing new... ");
	bw = FLAC__bitwriter_new();
	if(0 == bw) {
	printf("FAILED, returned NULL\n");
	return false;
	}
	printf("OK\n");

	printf("testing init... ");
	if(!FLAC__bitwriter_init(bw)) {
	printf("FAILED, returned false\n");
	return false;
	}
	printf("OK\n");

	printf("testing clear... ");
	FLAC__bitwriter_clear(bw);
	printf("OK\n");

	words = bits = 0;

	printf("capacity = %u\n", bw->capacity);

	printf("testing zeroes, raw_uint32*... ");
	ok =
	FLAC__bitwriter_write_raw_uint32(bw, 0x1, 1) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0x1, 2) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0xa, 5) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0xf0, 8) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0x2aa, 10) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0xf, 4) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32) &&
	FLAC__bitwriter_write_zeroes(bw, 4) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0x3, 2) &&
	FLAC__bitwriter_write_zeroes(bw, 8) &&
	FLAC__bitwriter_write_raw_uint64(bw, FLAC__U64L(0xaaaaaaaadeadbeef), 64) &&
	FLAC__bitwriter_write_raw_uint32(bw, 0xace, 12)
	;
	if(!ok) {
	printf("FAILED\n");
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	/* we wrote 152 bits (=19 bytes) to the bitwriter */
	words = 152 / FLAC__BITS_PER_WORD;
	bits = 152 - words*FLAC__BITS_PER_WORD;

	if(bw->words != words) {
	printf("FAILED word count %u != %u\n", bw->words, words);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if(bw->bits != bits) {
	printf("FAILED bit count %u != %u\n", bw->bits, bits);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
	printf("FAILED pattern match (buffer)\n");
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if((bw->accum & 0x00ffffff) != test_pattern1[words]) {
	printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x00ffffff, test_pattern1[words]);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	printf("OK\n");
	FLAC__bitwriter_dump(bw, stdout);

	printf("testing raw_uint32 some more... ");
	ok = FLAC__bitwriter_write_raw_uint32(bw, 0x3d, 6);
	if(!ok) {
	printf("FAILED\n");
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	bits += 6;
	test_pattern1[words] <<= 6;
	test_pattern1[words] \|= 0x3d;
	if(bw->words != words) {
	printf("FAILED word count %u != %u\n", bw->words, words);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if(bw->bits != bits) {
	printf("FAILED bit count %u != %u\n", bw->bits, bits);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
	printf("FAILED pattern match (buffer)\n");
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	if((bw->accum & 0x3fffffff) != test_pattern1[words]) {
	printf("FAILED pattern match (bw->accum=%" PRI_BWWORD " != %" PRI_BWWORD ")\n", bw->accum&0x3fffffff, test_pattern1[words]);
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	printf("OK\n");
	FLAC__bitwriter_dump(bw, stdout);

	printf("testing utf8_uint32(0x00000000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000000);
	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x0000007F)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x0000007F);
	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x00000080)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000080);
	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x000007FF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x000007FF);
	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x00000800)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x00000800);
	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x0000FFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x0000FFFF);
	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x00010000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x00010000);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
	#else
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080;
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x001FFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x001FFFFF);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
	#else
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF;
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x00200000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x00200000);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
	#else
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x03FFFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x03FFFFFF);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
	#else
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x04000000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x04000000);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
	#else
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint32(0x7FFFFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint32(bw, 0x7FFFFFFF);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
	#else
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000000000000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000000));
	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x000000000000007F)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000007F));
	ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000000000080)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000080));
	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x00000000000007FF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000000007FF));
	ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000000000800)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000000800));
	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x000000000000FFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000000000FFFF));
	ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000000010000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000010000));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
	#else
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF0908080;
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x00000000001FFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x00000000001FFFFF));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
	#else
	ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 32 && (bw->accum & 0xffffffff) == 0xF7BFBFBF;
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000000200000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000000200000));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
	#else
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xF888808080);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000003FFFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000003FFFFFF));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
	#else
	ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 40 && (bw->accum & FLAC__U64L(0xffffffffff)) == FLAC__U64L(0xFBBFBFBFBF);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000004000000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000004000000));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
	#else
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFC8480808080);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x000000007FFFFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x000000007FFFFFFF));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
	#else
	ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 48 && (bw->accum & FLAC__U64L(0xffffffffffff)) == FLAC__U64L(0xFDBFBFBFBFBF);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000080000000)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000080000000));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFE828080 && (bw->accum & 0xffffff) == 0x808080;
	#else
	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0x808082FE && (bw->accum & 0xffffff) == 0x808080;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFE828080808080);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing utf8_uint64(0x0000000FFFFFFFFF)... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000FFFFFFFFF));
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFEBFBFBF && (bw->accum & 0xffffff) == 0xBFBFBF;
	#else
	ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xBFBFBFFE && (bw->accum & 0xffffff) == 0xBFBFBF;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	ok = TOTAL_BITS(bw) == 56 && (bw->accum & FLAC__U64L(0xffffffffffffff)) == FLAC__U64L(0xFEBFBFBFBFBFBF);
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}

	printf("testing grow... ");
	FLAC__bitwriter_clear(bw);
	FLAC__bitwriter_write_raw_uint32(bw, 0x5, 4);
	j = bw->capacity;
	for(i = 0; i < j; i++)
	FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32);
	#if FLAC__BYTES_PER_WORD == 4
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0x5aaaaaaa && (bw->accum & 0xf) == 0xa;
	#else
	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0xaaaaaa5a && (bw->accum & 0xf) == 0xa;
	#endif
	#elif FLAC__BYTES_PER_WORD == 8
	#if WORDS_BIGENDIAN
	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0x5aaaaaaaaaaaaaaa) && (bw->accum & 0xf) == 0xa;
	#else
	ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == FLAC__U64L(0xaaaaaaaaaaaaaa5a) && (bw->accum & 0xf) == 0xa;
	#endif
	#endif
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
	FLAC__bitwriter_dump(bw, stdout);
	return false;
	}
	printf("capacity = %u\n", bw->capacity);

	printf("testing free... ");
	FLAC__bitwriter_free(bw);
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitwriter_delete(bw);
	printf("OK\n");

	printf("\nPASSED!\n");
	return true;
	}