Beispiel #1
0
FLAC__bool test_bitbuffer()
{
	FLAC__BitBuffer *bb, *bb_zero, *bb_one, *bbcopy;
	FLAC__bool ok;
	unsigned i, j;
	static FLAC__byte test_pattern1[19] = { 0xaa, 0xf0, 0xaa, 0xbe, 0xaa, 0xaa, 0xaa, 0xa8, 0x30, 0x0a, 0xaa, 0xaa, 0xaa, 0xad, 0xea, 0xdb, 0xee, 0xfa, 0xce };

	FLAC__ASSERT(FLAC__BITS_PER_BLURB == 8);

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

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

	printf("testing delete... ");
	FLAC__bitbuffer_delete(bb);
	printf("OK\n");

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

	printf("testing init... ");
	FLAC__bitbuffer_init(bb);
	if(0 == bb) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitbuffer_delete(bb);
	printf("OK\n");

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

	printf("testing init... ");
	FLAC__bitbuffer_init(bb);
	if(0 == bb) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing clear... ");
	FLAC__bitbuffer_clear(bb);
	if(0 == bb) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitbuffer_delete(bb);
	printf("OK\n");

	/*
	 * test normal usage
	 */
	printf("testing new... ");
	bb = FLAC__bitbuffer_new();
	bb_zero = FLAC__bitbuffer_new();
	bb_one = FLAC__bitbuffer_new();
	bbcopy = FLAC__bitbuffer_new();
	if(0 == bb || 0 == bb_zero || 0 == bb_one || 0 == bbcopy) {
		printf("FAILED, returned NULL\n");
		return false;
	}
	printf("OK\n");

	printf("testing init... ");
	ok = FLAC__bitbuffer_init(bb) && FLAC__bitbuffer_init(bb_zero) && FLAC__bitbuffer_init(bb_one) && FLAC__bitbuffer_init(bbcopy);
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok)
		return false;

	printf("testing clear... ");
	ok = FLAC__bitbuffer_clear(bb) && FLAC__bitbuffer_clear(bb_zero) && FLAC__bitbuffer_clear(bb_one) && FLAC__bitbuffer_clear(bbcopy);
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok)
		return false;

	printf("setting up bb_one... ");
	ok = FLAC__bitbuffer_write_raw_uint32(bb_one, 1, 7) && FLAC__bitbuffer_read_raw_uint32(bb_one, &i, 6, dummy_read_callback, 0);
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok)
		return false;
	FLAC__bitbuffer_dump(bb_one, stdout);

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

	printf("testing zeroes, raw_uint32*... ");
	ok =
		FLAC__bitbuffer_write_raw_uint32(bb, 0x1, 1) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0x1, 2) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0xa, 5) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0xf0, 8) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0x2aa, 10) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0xf, 4) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0xaaaaaaaa, 32) &&
		FLAC__bitbuffer_write_zeroes(bb, 4) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0x3, 2) &&
		FLAC__bitbuffer_write_zeroes(bb, 8) &&
		FLAC__bitbuffer_write_raw_uint64(bb, 0xaaaaaaaadeadbeef, 64) &&
		FLAC__bitbuffer_write_raw_uint32(bb, 0xace, 12)
	;
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1));
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 0) {
		printf("FAILED bit count %u != 0\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing raw_uint32 some more... ");
	ok = FLAC__bitbuffer_write_raw_uint32(bb, 0x3d, 6);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1));
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 6) {
		printf("FAILED bit count %u != 6\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs] != 0x3d) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_zero)... ");
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_zero);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1));
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 6) {
		printf("FAILED bit count %u != 6\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs] != 0x3d) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_one)... ");
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1));
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 7) {
		printf("FAILED bit count %u != 7\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs] != 0x7b) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_one again)... ");
	(void)FLAC__bitbuffer_write_raw_uint32(bb_one, 1, 1);
	(void)FLAC__bitbuffer_read_raw_uint32(bb_one, &i, 1, dummy_read_callback, 0);
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)+1) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+1);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 0) {
		printf("FAILED bit count %u != 0\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs-1] != 0xf7) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_four)... ");
	(void)FLAC__bitbuffer_clear(bb_one);
	(void)FLAC__bitbuffer_write_raw_uint32(bb_one, 8, 4);
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)+1) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+1);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 4) {
		printf("FAILED bit count %u != 4\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs] != 0x08) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_eight)... ");
	(void)FLAC__bitbuffer_read_raw_uint32(bb_one, &i, 4, dummy_read_callback, 0);
	(void)FLAC__bitbuffer_write_raw_uint32(bb_one, 0xaa, 8);
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)+2) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+2);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 4) {
		printf("FAILED bit count %u != 4\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs-1] != 0x8a || bb->buffer[bb->blurbs] != 0x0a) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing concatenate_aligned (bb_seventeen)... ");
	(void)FLAC__bitbuffer_write_raw_uint32(bb_one, 0x155, 9);
	ok = FLAC__bitbuffer_concatenate_aligned(bb, bb_one);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->blurbs != sizeof(test_pattern1)+4) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, (unsigned)sizeof(test_pattern1)+4);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->bits != 5) {
		printf("FAILED bit count %u != 5\n", bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(bb->total_bits != 8*bb->blurbs+bb->bits) {
		printf("FAILED total_bits count %u != %u (%u:%u)\n", bb->total_bits, 8*bb->blurbs+bb->bits, bb->blurbs, bb->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	if(memcmp(bb->buffer, test_pattern1, sizeof(FLAC__byte)*sizeof(test_pattern1)) != 0 || bb->buffer[bb->blurbs-3] != 0x8a || bb->buffer[bb->blurbs-2] != 0xaa || bb->buffer[bb->blurbs-1] != 0xaa || bb->buffer[bb->blurbs] != 0x15) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("OK\n");
	FLAC__bitbuffer_dump(bb, stdout);

	printf("testing utf8_uint32(0x00000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000000);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x0000007F)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x0000007F);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00000080)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000080);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xC2 && bb->buffer[1] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x000007FF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x000007FF);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xDF && bb->buffer[1] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00000800)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00000800);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xE0 && bb->buffer[1] == 0xA0 && bb->buffer[2] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x0000FFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x0000FFFF);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xEF && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00010000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00010000);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF0 && bb->buffer[1] == 0x90 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x001FFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x001FFFFF);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF7 && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x00200000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x00200000);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xF8 && bb->buffer[1] == 0x88 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x03FFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x03FFFFFF);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xFB && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x04000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x04000000);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFC && bb->buffer[1] == 0x84 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint32(0x7FFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint32(bb, 0x7FFFFFFF);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFD && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000000);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000000000007F)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000000000007F);
	ok = bb->total_bits == 8 && bb->buffer[0] == 0x7F;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000080)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000080);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xC2 && bb->buffer[1] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x00000000000007FF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x00000000000007FF);
	ok = bb->total_bits == 16 && bb->buffer[0] == 0xDF && bb->buffer[1] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000000800)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000000800);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xE0 && bb->buffer[1] == 0xA0 && bb->buffer[2] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000000000FFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000000000FFFF);
	ok = bb->total_bits == 24 && bb->buffer[0] == 0xEF && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000010000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000010000);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF0 && bb->buffer[1] == 0x90 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x00000000001FFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x00000000001FFFFF);
	ok = bb->total_bits == 32 && bb->buffer[0] == 0xF7 && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000000200000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000000200000);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xF8 && bb->buffer[1] == 0x88 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000003FFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000003FFFFFF);
	ok = bb->total_bits == 40 && bb->buffer[0] == 0xFB && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000004000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000004000000);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFC && bb->buffer[1] == 0x84 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x000000007FFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x000000007FFFFFFF);
	ok = bb->total_bits == 48 && bb->buffer[0] == 0xFD && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000080000000)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000080000000);
	ok = bb->total_bits == 56 && bb->buffer[0] == 0xFE && bb->buffer[1] == 0x82 && bb->buffer[2] == 0x80 && bb->buffer[3] == 0x80 && bb->buffer[4] == 0x80 && bb->buffer[5] == 0x80 && bb->buffer[6] == 0x80;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing utf8_uint64(0x0000000FFFFFFFFF)... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_utf8_uint64(bb, 0x0000000FFFFFFFFF);
	ok = bb->total_bits == 56 && bb->buffer[0] == 0xFE && bb->buffer[1] == 0xBF && bb->buffer[2] == 0xBF && bb->buffer[3] == 0xBF && bb->buffer[4] == 0xBF && bb->buffer[5] == 0xBF && bb->buffer[6] == 0xBF;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}

	printf("testing grow... ");
	FLAC__bitbuffer_clear(bb);
	FLAC__bitbuffer_write_raw_uint32(bb, 0xa, 4);
	j = bb->capacity;
	for(i = 0; i < j; i++)
		FLAC__bitbuffer_write_raw_uint32(bb, 0xaa, 8);
	ok = bb->total_bits = i*8+4 && bb->buffer[0] == 0xaa && bb->buffer[i] == 0xa;
	printf("%s\n", ok?"OK":"FAILED");
	if(!ok) {
		FLAC__bitbuffer_dump(bb, stdout);
		return false;
	}
	printf("capacity = %u\n", bb->capacity);

	printf("testing clone... ");
	ok = FLAC__bitbuffer_clone(bbcopy, bb);
	if(!ok) {
		printf("FAILED\n");
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->blurbs != bbcopy->blurbs) {
		printf("FAILED byte count %u != %u\n", bb->blurbs, bbcopy->blurbs);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->bits != bbcopy->bits) {
		printf("FAILED bit count %u != %u\n", bb->bits, bbcopy->bits);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(bb->total_bits != bbcopy->total_bits) {
		printf("FAILED total_bits count %u != %u\n", bb->total_bits, bbcopy->total_bits);
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	if(memcmp(bb->buffer, bbcopy->buffer, sizeof(FLAC__byte)*bb->capacity) != 0) {
		printf("FAILED pattern match\n");
		FLAC__bitbuffer_dump(bb, stdout);
		FLAC__bitbuffer_dump(bbcopy, stdout);
		return false;
	}
	printf("OK\n");

	printf("testing free... ");
	FLAC__bitbuffer_free(bb);
	FLAC__bitbuffer_free(bbcopy);
	printf("OK\n");

	printf("testing delete... ");
	FLAC__bitbuffer_delete(bb);
	FLAC__bitbuffer_delete(bb_zero);
	FLAC__bitbuffer_delete(bb_one);
	FLAC__bitbuffer_delete(bbcopy);
	printf("OK\n");

	printf("\nPASSED!\n");
	return true;
}
FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__bool streamable_subset, FLAC__BitBuffer *bb)
{
	unsigned u, blocksize_hint, sample_rate_hint;

	FLAC__ASSERT(FLAC__bitbuffer_is_byte_aligned(bb));

	if(!FLAC__bitbuffer_write_raw_uint32(bb, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN))
		return false;

	if(!FLAC__bitbuffer_write_raw_uint32(bb, 0, FLAC__FRAME_HEADER_RESERVED_LEN))
		return false;

	FLAC__ASSERT(header->blocksize > 0 && header->blocksize <= FLAC__MAX_BLOCK_SIZE);
	/* when this assertion holds true, any legal blocksize can be expressed in the frame header */
	FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535u);
	blocksize_hint = 0;
	switch(header->blocksize) {
		case   192: u = 1; break;
		case   576: u = 2; break;
		case  1152: u = 3; break;
		case  2304: u = 4; break;
		case  4608: u = 5; break;
		case   256: u = 8; break;
		case   512: u = 9; break;
		case  1024: u = 10; break;
		case  2048: u = 11; break;
		case  4096: u = 12; break;
		case  8192: u = 13; break;
		case 16384: u = 14; break;
		case 32768: u = 15; break;
		default:
			if(header->blocksize <= 0x100)
				blocksize_hint = u = 6;
			else if(header->blocksize <= 0x10000)
				blocksize_hint = u = 7;
			else {
				FLAC__ASSERT(0);
				return false;
			}
			break;
	}
	if(!FLAC__bitbuffer_write_raw_uint32(bb, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN))
		return false;

	FLAC__ASSERT(FLAC__format_sample_rate_is_valid(header->sample_rate));
	sample_rate_hint = 0;
	switch(header->sample_rate) {
		case  8000: u = 4; break;
		case 16000: u = 5; break;
		case 22050: u = 6; break;
		case 24000: u = 7; break;
		case 32000: u = 8; break;
		case 44100: u = 9; break;
		case 48000: u = 10; break;
		case 96000: u = 11; break;
		default:
			if(header->sample_rate <= 255000 && header->sample_rate % 1000 == 0)
				sample_rate_hint = u = 12;
			else if(header->sample_rate % 10 == 0)
				sample_rate_hint = u = 14;
			else if(header->sample_rate <= 0xffff)
				sample_rate_hint = u = 13;
			else if(streamable_subset) {
				FLAC__ASSERT(0);
				return false;
			}
			else
				u = 0;
			break;
	}
	if(!FLAC__bitbuffer_write_raw_uint32(bb, u, FLAC__FRAME_HEADER_SAMPLE_RATE_LEN))
		return false;

	FLAC__ASSERT(header->channels > 0 && header->channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN) && header->channels <= FLAC__MAX_CHANNELS);
	switch(header->channel_assignment) {
		case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
			u = header->channels - 1;
			break;
		case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
			FLAC__ASSERT(header->channels == 2);
			u = 8;
			break;
		case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
			FLAC__ASSERT(header->channels == 2);
			u = 9;
			break;
		case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
			FLAC__ASSERT(header->channels == 2);
			u = 10;
			break;
		default:
			FLAC__ASSERT(0);
	}
	if(!FLAC__bitbuffer_write_raw_uint32(bb, u, FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN))
		return false;

	FLAC__ASSERT(header->bits_per_sample > 0 && header->bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
	switch(header->bits_per_sample) {
		case 8 : u = 1; break;
		case 12: u = 2; break;
		case 16: u = 4; break;
		case 20: u = 5; break;
		case 24: u = 6; break;
		default: u = 0; break;
	}
	if(!FLAC__bitbuffer_write_raw_uint32(bb, u, FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN))
		return false;

	if(!FLAC__bitbuffer_write_raw_uint32(bb, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN))
		return false;

	FLAC__ASSERT(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER);
	if(!FLAC__bitbuffer_write_utf8_uint32(bb, header->number.frame_number))
		return false;

	if(blocksize_hint)
		if(!FLAC__bitbuffer_write_raw_uint32(bb, header->blocksize-1, (blocksize_hint==6)? 8:16))
			return false;

	switch(sample_rate_hint) {
		case 12:
			if(!FLAC__bitbuffer_write_raw_uint32(bb, header->sample_rate / 1000, 8))
				return false;
			break;
		case 13:
			if(!FLAC__bitbuffer_write_raw_uint32(bb, header->sample_rate, 16))
				return false;
			break;
		case 14:
			if(!FLAC__bitbuffer_write_raw_uint32(bb, header->sample_rate / 10, 16))
				return false;
			break;
	}

	/* write the CRC */
	if(!FLAC__bitbuffer_write_raw_uint32(bb, FLAC__bitbuffer_get_write_crc8(bb), FLAC__FRAME_HEADER_CRC_LEN))
		return false;

	return true;
}