diff options
Diffstat (limited to 'src/test_libFLAC/metadata_manip.c')
| -rw-r--r-- | src/test_libFLAC/metadata_manip.c | 2146 |
1 files changed, 2146 insertions, 0 deletions
diff --git a/src/test_libFLAC/metadata_manip.c b/src/test_libFLAC/metadata_manip.c new file mode 100644 index 0000000..334dc3a --- /dev/null +++ b/src/test_libFLAC/metadata_manip.c @@ -0,0 +1,2146 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 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 <stdio.h> +#include <stdlib.h> /* for malloc() */ +#include <string.h> /* for memcpy()/memset() */ +#if defined _MSC_VER || defined __MINGW32__ +#include <sys/utime.h> /* for utime() */ +#include <io.h> /* for chmod() */ +#else +#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */ +#include <unistd.h> /* for chown(), unlink() */ +#endif +#include <sys/stat.h> /* for stat(), maybe chmod() */ +#include "FLAC/assert.h" +#include "FLAC/stream_decoder.h" +#include "FLAC/metadata.h" +#include "share/grabbag.h" +#include "share/compat.h" +#include "share/macros.h" +#include "share/safe_str.h" +#include "test_libs_common/file_utils_flac.h" +#include "test_libs_common/metadata_utils.h" +#include "metadata.h" + + +/****************************************************************************** + The general strategy of these tests (for interface levels 1 and 2) is + to create a dummy FLAC file with a known set of initial metadata + blocks, then keep a mirror locally of what we expect the metadata to be + after each operation. Then testing becomes a simple matter of running + a FLAC__StreamDecoder over the dummy file after each operation, comparing + the decoded metadata to what's in our local copy. If there are any + differences in the metadata, or the actual audio data is corrupted, we + will catch it while decoding. +******************************************************************************/ + +typedef struct { + FLAC__bool error_occurred; +} decoder_client_struct; + +typedef struct { + FLAC__StreamMetadata *blocks[64]; + uint32_t num_blocks; +} our_metadata_struct; + +/* our copy of the metadata in flacfilename() */ +static our_metadata_struct our_metadata_; + +/* the current block number that corresponds to the position of the iterator we are testing */ +static uint32_t mc_our_block_number_ = 0; + +static const char *flacfilename(FLAC__bool is_ogg) +{ + return is_ogg? "metadata.oga" : "metadata.flac"; +} + +static FLAC__bool die_(const char *msg) +{ + printf("ERROR: %s\n", msg); + return false; +} + +static FLAC__bool die_c_(const char *msg, FLAC__Metadata_ChainStatus status) +{ + printf("ERROR: %s\n", msg); + printf(" status=%s\n", FLAC__Metadata_ChainStatusString[status]); + return false; +} + +static FLAC__bool die_ss_(const char *msg, FLAC__Metadata_SimpleIterator *iterator) +{ + printf("ERROR: %s\n", msg); + printf(" status=%s\n", FLAC__Metadata_SimpleIteratorStatusString[FLAC__metadata_simple_iterator_status(iterator)]); + return false; +} + +static void *malloc_or_die_(size_t size) +{ + void *x = malloc(size); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory allocating %u bytes\n", (uint32_t)size); + exit(1); + } + return x; +} + +static char *strdup_or_die_(const char *s) +{ + char *x = strdup(s); + if(0 == x) { + fprintf(stderr, "ERROR: out of memory copying string \"%s\"\n", s); + exit(1); + } + return x; +} + +/* functions for working with our metadata copy */ + +static FLAC__bool replace_in_our_metadata_(FLAC__StreamMetadata *block, uint32_t position, FLAC__bool copy) +{ + uint32_t i; + FLAC__StreamMetadata *obj = block; + FLAC__ASSERT(position < our_metadata_.num_blocks); + if(copy) { + if(0 == (obj = FLAC__metadata_object_clone(block))) + return die_("during FLAC__metadata_object_clone()"); + } + FLAC__metadata_object_delete(our_metadata_.blocks[position]); + our_metadata_.blocks[position] = obj; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + + return true; +} + +static FLAC__bool insert_to_our_metadata_(FLAC__StreamMetadata *block, uint32_t position, FLAC__bool copy) +{ + uint32_t i; + FLAC__StreamMetadata *obj = block; + if(copy) { + if(0 == (obj = FLAC__metadata_object_clone(block))) + return die_("during FLAC__metadata_object_clone()"); + } + if(position > our_metadata_.num_blocks) { + position = our_metadata_.num_blocks; + } + else { + for(i = our_metadata_.num_blocks; i > position; i--) + our_metadata_.blocks[i] = our_metadata_.blocks[i-1]; + } + our_metadata_.blocks[position] = obj; + our_metadata_.num_blocks++; + + /* set the is_last flags */ + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + + return true; +} + +static void delete_from_our_metadata_(uint32_t position) +{ + uint32_t i; + FLAC__ASSERT(position < our_metadata_.num_blocks); + FLAC__metadata_object_delete(our_metadata_.blocks[position]); + for(i = position; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i] = our_metadata_.blocks[i+1]; + our_metadata_.num_blocks--; + + /* set the is_last flags */ + if(our_metadata_.num_blocks > 0) { + for(i = 0; i < our_metadata_.num_blocks - 1; i++) + our_metadata_.blocks[i]->is_last = false; + our_metadata_.blocks[i]->is_last = true; + } +} + +/* + * This wad of functions supports filename- and callback-based chain reading/writing. + * Everything up to set_file_stats_() is copied from libFLAC/metadata_iterators.c + */ +static FLAC__bool open_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + static const char *tempfile_suffix = ".metadata_edit"; + size_t dest_len = strlen(filename) + strlen(tempfile_suffix) + 1; + + *tempfilename = malloc(dest_len); + if (*tempfilename == NULL) + return false; + safe_strncpy(*tempfilename, filename, dest_len); + safe_strncat(*tempfilename, tempfile_suffix, dest_len); + + *tempfile = flac_fopen(*tempfilename, "wb"); + if (*tempfile == NULL) + return false; + + return true; +} + +static void cleanup_tempfile_(FILE **tempfile, char **tempfilename) +{ + if (*tempfile != NULL) { + (void)fclose(*tempfile); + *tempfile = 0; + } + + if (*tempfilename != NULL) { + (void)flac_unlink(*tempfilename); + free(*tempfilename); + *tempfilename = 0; + } +} + +static FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != tempfile); + FLAC__ASSERT(0 != tempfilename); + FLAC__ASSERT(0 != *tempfilename); + + if(0 != *tempfile) { + (void)fclose(*tempfile); + *tempfile = 0; + } + +#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__ + /* on some flavors of windows, flac_rename() will fail if the destination already exists */ + if(flac_unlink(filename) < 0) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } +#endif + + if(0 != flac_rename(*tempfilename, filename)) { + cleanup_tempfile_(tempfile, tempfilename); + return false; + } + + cleanup_tempfile_(tempfile, tempfilename); + + return true; +} + +static FLAC__bool get_file_stats_(const char *filename, struct flac_stat_s *stats) +{ + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + return (0 == flac_stat(filename, stats)); +} + +static void set_file_stats_(const char *filename, struct flac_stat_s *stats) +{ +#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32) + struct timespec srctime[2] = {}; + srctime[0].tv_sec = stats->st_atime; + srctime[1].tv_sec = stats->st_mtime; +#else + struct utimbuf srctime; + srctime.actime = stats->st_atime; + srctime.modtime = stats->st_mtime; +#endif + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(0 != stats); + + (void)flac_chmod(filename, stats->st_mode); + (void)flac_utime(filename, &srctime); +#if !defined _MSC_VER && !defined __MINGW32__ + FLAC_CHECK_RETURN(chown(filename, stats->st_uid, -1)); + FLAC_CHECK_RETURN(chown(filename, -1, stats->st_gid)); +#endif +} + +#ifdef FLAC__VALGRIND_TESTING +static size_t chain_write_cb_(const void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle) +{ + FILE *stream = (FILE*)handle; + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#endif + +static int chain_seek_cb_(FLAC__IOHandle handle, FLAC__int64 offset, int whence) +{ + FLAC__off_t o = (FLAC__off_t)offset; + FLAC__ASSERT(offset == o); + return fseeko((FILE*)handle, o, whence); +} + +static FLAC__int64 chain_tell_cb_(FLAC__IOHandle handle) +{ + return ftello((FILE*)handle); +} + +static int chain_eof_cb_(FLAC__IOHandle handle) +{ + return feof((FILE*)handle); +} + +static FLAC__bool write_chain_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__bool preserve_file_stats, FLAC__bool filename_based, const char *filename) +{ + if(filename_based) + return FLAC__metadata_chain_write(chain, use_padding, preserve_file_stats); + else { + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.eof = chain_eof_cb_; + + if(FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) { + struct flac_stat_s stats; + FILE *file, *tempfile = 0; + char *tempfilename; + if(preserve_file_stats) { + if(!get_file_stats_(filename, &stats)) + return false; + } + if(0 == (file = flac_fopen(filename, "rb"))) + return false; /*@@@@ chain status still says OK though */ + if(!open_tempfile_(filename, &tempfile, &tempfilename)) { + fclose(file); + cleanup_tempfile_(&tempfile, &tempfilename); + return false; /*@@@@ chain status still says OK though */ + } + if(!FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, use_padding, (FLAC__IOHandle)file, callbacks, (FLAC__IOHandle)tempfile, callbacks)) { + fclose(file); + fclose(tempfile); + return false; + } + fclose(file); + fclose(tempfile); + file = tempfile = 0; + if(!transport_tempfile_(filename, &tempfile, &tempfilename)) + return false; + if(preserve_file_stats) + set_file_stats_(filename, &stats); + } + else { + FILE *file = flac_fopen(filename, "r+b"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + if(!FLAC__metadata_chain_write_with_callbacks(chain, use_padding, (FLAC__IOHandle)file, callbacks)) + return false; + fclose(file); + } + } + + return true; +} + +static FLAC__bool read_chain_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool filename_based, FLAC__bool is_ogg) +{ + if(filename_based) + return is_ogg? + FLAC__metadata_chain_read_ogg(chain, flacfilename(is_ogg)) : + FLAC__metadata_chain_read(chain, flacfilename(is_ogg)) + ; + else { + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + + { + FLAC__bool ret; + FILE *file = flac_fopen(filename, "rb"); + if(0 == file) + return false; /*@@@@ chain status still says OK though */ + ret = is_ogg? + FLAC__metadata_chain_read_ogg_with_callbacks(chain, (FLAC__IOHandle)file, callbacks) : + FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks) + ; + fclose(file); + return ret; + } + } +} + +/* function for comparing our metadata to a FLAC__Metadata_Chain */ + +static FLAC__bool compare_chain_(FLAC__Metadata_Chain *chain, uint32_t current_position, FLAC__StreamMetadata *current_block) +{ + uint32_t i; + FLAC__Metadata_Iterator *iterator; + FLAC__StreamMetadata *block; + FLAC__bool next_ok = true; + + FLAC__ASSERT(0 != chain); + + printf("\tcomparing chain... "); + fflush(stdout); + + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + i = 0; + do { + printf("%u... ", i); + fflush(stdout); + + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) { + FLAC__metadata_iterator_delete(iterator); + return die_("getting block from iterator"); + } + + if(!mutils__compare_block(our_metadata_.blocks[i], block)) { + FLAC__metadata_iterator_delete(iterator); + return die_("metadata block mismatch"); + } + + i++; + next_ok = FLAC__metadata_iterator_next(iterator); + } while(i < our_metadata_.num_blocks && next_ok); + + FLAC__metadata_iterator_delete(iterator); + + if(next_ok) + return die_("chain has more blocks than expected"); + + if(i < our_metadata_.num_blocks) + return die_("short block count in chain"); + + if(0 != current_block) { + printf("CURRENT_POSITION... "); + fflush(stdout); + + if(!mutils__compare_block(our_metadata_.blocks[current_position], current_block)) + return die_("metadata block mismatch"); + } + + printf("PASSED\n"); + + return true; +} + +/* decoder callbacks for checking the file */ + +static FLAC__StreamDecoderWriteStatus decoder_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) +{ + (void)decoder, (void)buffer, (void)client_data; + + if( + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER && frame->header.number.frame_number == 0) || + (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER && frame->header.number.sample_number == 0) + ) { + printf("content... "); + fflush(stdout); + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +/* this version pays no attention to the metadata */ +static void decoder_metadata_callback_null_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + (void)decoder, (void)metadata, (void)client_data; + + printf("%u... ", mc_our_block_number_); + fflush(stdout); + + mc_our_block_number_++; +} + +/* this version is used when we want to compare to our metadata copy */ +static void decoder_metadata_callback_compare_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data) +{ + decoder_client_struct *dcd = (decoder_client_struct*)client_data; + + (void)decoder; + + /* don't bother checking if we've already hit an error */ + if(dcd->error_occurred) + return; + + printf("%u... ", mc_our_block_number_); + fflush(stdout); + + if(mc_our_block_number_ >= our_metadata_.num_blocks) { + (void)die_("got more metadata blocks than expected"); + dcd->error_occurred = true; + } + else { + if(!mutils__compare_block(our_metadata_.blocks[mc_our_block_number_], metadata)) { + (void)die_("metadata block mismatch"); + dcd->error_occurred = true; + } + } + mc_our_block_number_++; +} + +static void decoder_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + decoder_client_struct *dcd = (decoder_client_struct*)client_data; + (void)decoder; + + dcd->error_occurred = true; + printf("ERROR: got error callback, status = %s (%u)\n", FLAC__StreamDecoderErrorStatusString[status], (uint32_t)status); +} + +static FLAC__bool generate_file_(FLAC__bool include_extras, FLAC__bool is_ogg) +{ + FLAC__StreamMetadata streaminfo, vorbiscomment, *cuesheet, picture, padding; + FLAC__StreamMetadata *metadata[4]; + uint32_t i = 0, n = 0; + + printf("generating %sFLAC file for test\n", is_ogg? "Ogg " : ""); + + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + streaminfo.is_last = false; + streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO; + streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + streaminfo.data.stream_info.min_blocksize = 576; + streaminfo.data.stream_info.max_blocksize = 576; + streaminfo.data.stream_info.min_framesize = 0; + streaminfo.data.stream_info.max_framesize = 0; + streaminfo.data.stream_info.sample_rate = 44100; + streaminfo.data.stream_info.channels = 1; + streaminfo.data.stream_info.bits_per_sample = 8; + streaminfo.data.stream_info.total_samples = 0; + memset(streaminfo.data.stream_info.md5sum, 0, 16); + + { + const uint32_t vendor_string_length = (uint32_t)strlen(FLAC__VENDOR_STRING); + vorbiscomment.is_last = false; + vorbiscomment.type = FLAC__METADATA_TYPE_VORBIS_COMMENT; + vorbiscomment.length = (4 + vendor_string_length) + 4; + vorbiscomment.data.vorbis_comment.vendor_string.length = vendor_string_length; + vorbiscomment.data.vorbis_comment.vendor_string.entry = malloc_or_die_(vendor_string_length+1); + memcpy(vorbiscomment.data.vorbis_comment.vendor_string.entry, FLAC__VENDOR_STRING, vendor_string_length+1); + vorbiscomment.data.vorbis_comment.num_comments = 0; + vorbiscomment.data.vorbis_comment.comments = 0; + } + + { + if (0 == (cuesheet = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET))) + return die_("priming our metadata"); + cuesheet->is_last = false; + safe_strncpy(cuesheet->data.cue_sheet.media_catalog_number, "bogo-MCN", sizeof(cuesheet->data.cue_sheet.media_catalog_number)); + cuesheet->data.cue_sheet.lead_in = 123; + cuesheet->data.cue_sheet.is_cd = false; + if (!FLAC__metadata_object_cuesheet_insert_blank_track(cuesheet, 0)) + return die_("priming our metadata"); + cuesheet->data.cue_sheet.tracks[0].number = 1; + if (!FLAC__metadata_object_cuesheet_track_insert_blank_index(cuesheet, 0, 0)) + return die_("priming our metadata"); + } + + { + picture.is_last = false; + picture.type = FLAC__METADATA_TYPE_PICTURE; + picture.length = + ( + FLAC__STREAM_METADATA_PICTURE_TYPE_LEN + + FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* will add the length for the string later */ + FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN + + FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN + + FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN + + FLAC__STREAM_METADATA_PICTURE_COLORS_LEN + + FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN /* will add the length for the data later */ + ) / 8 + ; + picture.data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER; + picture.data.picture.mime_type = strdup_or_die_("image/jpeg"); + picture.length += strlen(picture.data.picture.mime_type); + picture.data.picture.description = (FLAC__byte*)strdup_or_die_("desc"); + picture.length += strlen((const char *)picture.data.picture.description); + picture.data.picture.width = 300; + picture.data.picture.height = 300; + picture.data.picture.depth = 24; + picture.data.picture.colors = 0; + picture.data.picture.data = (FLAC__byte*)strdup_or_die_("SOMEJPEGDATA"); + picture.data.picture.data_length = strlen((const char *)picture.data.picture.data); + picture.length += picture.data.picture.data_length; + } + + padding.is_last = true; + padding.type = FLAC__METADATA_TYPE_PADDING; + padding.length = 1234; + + metadata[n++] = &vorbiscomment; + if(include_extras) { + metadata[n++] = cuesheet; + metadata[n++] = &picture; + } + metadata[n++] = &padding; + + if( + !insert_to_our_metadata_(&streaminfo, i++, /*copy=*/true) || + !insert_to_our_metadata_(&vorbiscomment, i++, /*copy=*/true) || + (include_extras && !insert_to_our_metadata_(cuesheet, i++, /*copy=*/false)) || + (include_extras && !insert_to_our_metadata_(&picture, i++, /*copy=*/true)) || + !insert_to_our_metadata_(&padding, i++, /*copy=*/true) + ) + return die_("priming our metadata"); + + if(!file_utils__generate_flacfile(is_ogg, flacfilename(is_ogg), 0, 512 * 1024, &streaminfo, metadata, n)) + return die_("creating the encoded file"); + + free(vorbiscomment.data.vorbis_comment.vendor_string.entry); + free(picture.data.picture.mime_type); + free(picture.data.picture.description); + free(picture.data.picture.data); + if(!include_extras) + FLAC__metadata_object_delete(cuesheet); + + return true; +} + +static FLAC__bool test_file_(FLAC__bool is_ogg, FLAC__StreamDecoderMetadataCallback metadata_callback) +{ + const char *filename = flacfilename(is_ogg); + FLAC__StreamDecoder *decoder; + decoder_client_struct decoder_client_data; + + FLAC__ASSERT(0 != metadata_callback); + + mc_our_block_number_ = 0; + decoder_client_data.error_occurred = false; + + printf("\ttesting '%s'... ", filename); + fflush(stdout); + + if(0 == (decoder = FLAC__stream_decoder_new())) + return die_("couldn't allocate decoder instance"); + + FLAC__stream_decoder_set_md5_checking(decoder, true); + FLAC__stream_decoder_set_metadata_respond_all(decoder); + if( + (is_ogg? + FLAC__stream_decoder_init_ogg_file(decoder, filename, decoder_write_callback_, metadata_callback, decoder_error_callback_, &decoder_client_data) : + FLAC__stream_decoder_init_file(decoder, filename, decoder_write_callback_, metadata_callback, decoder_error_callback_, &decoder_client_data) + ) != FLAC__STREAM_DECODER_INIT_STATUS_OK + ) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return die_("initializing decoder\n"); + } + if(!FLAC__stream_decoder_process_until_end_of_stream(decoder)) { + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + return die_("decoding file\n"); + } + + (void)FLAC__stream_decoder_finish(decoder); + FLAC__stream_decoder_delete(decoder); + + if(decoder_client_data.error_occurred) + return false; + + if(mc_our_block_number_ != our_metadata_.num_blocks) + return die_("short metadata block count"); + + printf("PASSED\n"); + return true; +} + +static FLAC__bool change_stats_(const char *filename, FLAC__bool read_only) +{ + if(!grabbag__file_change_stats(filename, read_only)) + return die_("during grabbag__file_change_stats()"); + + return true; +} + +static FLAC__bool remove_file_(const char *filename) +{ + while(our_metadata_.num_blocks > 0) + delete_from_our_metadata_(0); + + if(!grabbag__file_remove_file(filename)) + return die_("removing file"); + + return true; +} + +static FLAC__bool test_level_0_(void) +{ + FLAC__StreamMetadata streaminfo; + FLAC__StreamMetadata *tags = 0; + FLAC__StreamMetadata *cuesheet = 0; + FLAC__StreamMetadata *picture = 0; + + printf("\n\n++++++ testing level 0 interface\n"); + + if(!generate_file_(/*include_extras=*/true, /*is_ogg=*/false)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_null_)) + return false; + + printf("testing FLAC__metadata_get_streaminfo()... "); + + if(!FLAC__metadata_get_streaminfo(flacfilename(/*is_ogg=*/false), &streaminfo)) + return die_("during FLAC__metadata_get_streaminfo()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(streaminfo.data.stream_info.channels != 1) + return die_("mismatch in streaminfo.data.stream_info.channels"); + if(streaminfo.data.stream_info.bits_per_sample != 8) + return die_("mismatch in streaminfo.data.stream_info.bits_per_sample"); + if(streaminfo.data.stream_info.sample_rate != 44100) + return die_("mismatch in streaminfo.data.stream_info.sample_rate"); + if(streaminfo.data.stream_info.min_blocksize != 576) + return die_("mismatch in streaminfo.data.stream_info.min_blocksize"); + if(streaminfo.data.stream_info.max_blocksize != 576) + return die_("mismatch in streaminfo.data.stream_info.max_blocksize"); + + printf("OK\n"); + + printf("testing FLAC__metadata_get_tags()... "); + + if(!FLAC__metadata_get_tags(flacfilename(/*is_ogg=*/false), &tags)) + return die_("during FLAC__metadata_get_tags()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(tags->data.vorbis_comment.num_comments != 0) + return die_("mismatch in tags->data.vorbis_comment.num_comments"); + + printf("OK\n"); + + FLAC__metadata_object_delete(tags); + + printf("testing FLAC__metadata_get_cuesheet()... "); + + if(!FLAC__metadata_get_cuesheet(flacfilename(/*is_ogg=*/false), &cuesheet)) + return die_("during FLAC__metadata_get_cuesheet()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(cuesheet->data.cue_sheet.lead_in != 123) + return die_("mismatch in cuesheet->data.cue_sheet.lead_in"); + + printf("OK\n"); + + FLAC__metadata_object_delete(cuesheet); + + printf("testing FLAC__metadata_get_picture()... "); + + if(!FLAC__metadata_get_picture(flacfilename(/*is_ogg=*/false), &picture, /*type=*/(FLAC__StreamMetadata_Picture_Type)(-1), /*mime_type=*/0, /*description=*/0, /*max_width=*/(uint32_t)(-1), /*max_height=*/(uint32_t)(-1), /*max_depth=*/(uint32_t)(-1), /*max_colors=*/(uint32_t)(-1))) + return die_("during FLAC__metadata_get_picture()"); + + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(picture->data.picture.type != FLAC__STREAM_METADATA_PICTURE_TYPE_FRONT_COVER) + return die_("mismatch in picture->data.picture.type"); + + printf("OK\n"); + + FLAC__metadata_object_delete(picture); + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static FLAC__bool test_level_1_(void) +{ + FLAC__Metadata_SimpleIterator *iterator; + FLAC__StreamMetadata *block, *app, *padding; + FLAC__byte data[1000]; + uint32_t our_current_position = 0; + + /* initialize 'data' to avoid Valgrind errors */ + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 1 interface\n"); + + /************************************************************/ + + printf("simple iterator on read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, /*is_ogg=*/false)) + return false; + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read_only=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_null_)) + return false; + + if(0 == (iterator = FLAC__metadata_simple_iterator_new())) + return die_("FLAC__metadata_simple_iterator_new()"); + + if(!FLAC__metadata_simple_iterator_init(iterator, flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) + return die_("FLAC__metadata_simple_iterator_init() returned false"); + + printf("is writable = %u\n", (uint32_t)FLAC__metadata_simple_iterator_is_writable(iterator)); + if(FLAC__metadata_simple_iterator_is_writable(iterator)) + return die_("iterator claims file is writable when tester thinks it should not be; are you running as root?\n"); + + printf("iterate forwards\n"); + + if(FLAC__metadata_simple_iterator_get_block_type(iterator) != FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type from FLAC__metadata_simple_iterator_get_block_type()"); + if(0 == (block = FLAC__metadata_simple_iterator_get_block(iterator))) + return die_("getting block 0"); + if(block->type != FLAC__METADATA_TYPE_STREAMINFO) + return die_("expected STREAMINFO type"); + if(block->is_last) + return die_("expected is_last to be false"); + if(block->length != FLAC__STREAM_METADATA_STREAMINFO_LENGTH) + return die_("bad STREAMINFO length"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(block->data.stream_info.channels != 1) + return die_("mismatch in channels"); + if(block->data.stream_info.bits_per_sample != 8) + return die_("mismatch in bits_per_sample"); + if(block->data.stream_info.sample_rate != 44100) + return die_("mismatch in sample_rate"); + if(block->data.stream_info.min_blocksize != 576) + return die_("mismatch in min_blocksize"); + if(block->data.stream_info.max_blocksize != 576) + return die_("mismatch in max_blocksize"); + FLAC__metadata_object_delete(block); + + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator ended early"); + our_current_position++; + + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator ended early"); + our_current_position++; + + if(FLAC__metadata_simple_iterator_get_block_type(iterator) != FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type from FLAC__metadata_simple_iterator_get_block_type()"); + if(0 == (block = FLAC__metadata_simple_iterator_get_block(iterator))) + return die_("getting block 2"); + if(block->type != FLAC__METADATA_TYPE_PADDING) + return die_("expected PADDING type"); + if(!block->is_last) + return die_("expected is_last to be true"); + /* check to see if some basic data matches (c.f. generate_file_()) */ + if(block->length != 1234) + return die_("bad PADDING length"); + FLAC__metadata_object_delete(block); + + if(FLAC__metadata_simple_iterator_next(iterator)) + return die_("forward iterator returned true but should have returned false"); + + printf("iterate backwards\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator ended early"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator ended early"); + if(FLAC__metadata_simple_iterator_prev(iterator)) + return die_("reverse iterator returned true but should have returned false"); + + printf("testing FLAC__metadata_simple_iterator_set_block() on read-only file...\n"); + + if(!FLAC__metadata_simple_iterator_set_block(iterator, (FLAC__StreamMetadata*)99, false)) + printf("OK: FLAC__metadata_simple_iterator_set_block() returned false like it should\n"); + else + return die_("FLAC__metadata_simple_iterator_set_block() returned true but shouldn't have"); + + FLAC__metadata_simple_iterator_delete(iterator); + + /************************************************************/ + + printf("simple iterator on writable file\n"); + + if(!change_stats_(flacfilename(/*is_ogg=*/false), /*read-only=*/false)) + return false; + + printf("creating APPLICATION block\n"); + + if(0 == (app = FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION)"); + memcpy(app->data.application.id, "duh", (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + + printf("creating PADDING block\n"); + + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)"); + padding->length = 20; + + if(0 == (iterator = FLAC__metadata_simple_iterator_new())) + return die_("FLAC__metadata_simple_iterator_new()"); + + if(!FLAC__metadata_simple_iterator_init(iterator, flacfilename(/*is_ogg=*/false), /*read_only=*/false, /*preserve_file_stats=*/false)) + return die_("FLAC__metadata_simple_iterator_init() returned false"); + our_current_position = 0; + + printf("is writable = %u\n", (uint32_t)FLAC__metadata_simple_iterator_is_writable(iterator)); + + printf("[S]VP\ttry to write over STREAMINFO block...\n"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + printf("\tFLAC__metadata_simple_iterator_set_block() returned false like it should\n"); + else + return die_("FLAC__metadata_simple_iterator_set_block() returned true but shouldn't have"); + + if(FLAC__metadata_simple_iterator_status(iterator) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("FLAC__metadata_simple_iterator_status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tinsert PADDING after, don't expand into padding\n"); + padding->length = 25; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + printf("SVP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PP\tinsert PADDING after, don't expand into padding\n"); + padding->length = 30; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]PP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VPPP\tdelete (STREAMINFO block), must fail\n"); + if(FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false) should have returned false", iterator); + + if(FLAC__metadata_simple_iterator_status(iterator) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT) + return die_("FLAC__metadata_simple_iterator_status() should have been FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT"); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VPPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]PPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, true)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, true)", iterator); + our_current_position--; + + printf("S[V]PPP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, true)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + our_current_position--; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]\tdelete (last block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VP\tset STREAMINFO (change sample rate)\n"); + FLAC__ASSERT(our_current_position == 0); + block = FLAC__metadata_simple_iterator_get_block(iterator); + block->data.stream_info.sample_rate = 32000; + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, block, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, block, false)", iterator); + FLAC__metadata_object_delete(block); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tinsert APPLICATION after, expand into padding of exceeding size\n"); + app->data.application.id[0] = 'e'; /* twiddle the id so that our comparison doesn't miss transposition */ + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return false; + our_metadata_.blocks[our_current_position+1]->length -= (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + app->length; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tset APPLICATION, expand into padding of exceeding size\n"); + app->data.application.id[0] = 'f'; /* twiddle the id */ + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + if(!insert_to_our_metadata_(app, our_current_position, /*copy=*/true)) + return false; + our_metadata_.blocks[our_current_position+1]->length -= (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8) + app->length; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), don't expand into padding\n"); + app->data.application.id[0] = 'g'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), don't fill in with padding\n"); + app->data.application.id[0] = 'h'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, 12, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (grow), expand into padding of exceeding size\n"); + app->data.application.id[0] = 'i'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, sizeof(data), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length -= (sizeof(data) - 12); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tset APPLICATION (shrink), fill in with padding\n"); + app->data.application.id[0] = 'j'; /* twiddle the id */ + if(!FLAC__metadata_object_application_set_data(app, data, 23, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = sizeof(data) - 23 - FLAC__STREAM_METADATA_HEADER_LENGTH; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAA[P]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVAAP[P]\tset PADDING (shrink), don't fill in with padding\n"); + padding->length = 5; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[P]\tset APPLICATION (grow)\n"); + app->data.application.id[0] = 'k'; /* twiddle the id */ + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[A]\tset PADDING (equal)\n"); + padding->length = 27; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, false)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAAP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVAA[P]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVA[A]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVA[P]\tinsert PADDING after\n"); + padding->length = 5; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVAP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVA[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 32, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), try to expand into padding which is 'close' but still too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 60, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which will leave 0-length pad\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 87, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 0; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 91, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tset APPLICATION (grow), expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 100, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + our_metadata_.blocks[our_current_position]->is_last = true; + if(!FLAC__metadata_simple_iterator_set_block(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tset PADDING (equal size)\n"); + padding->length = app->length; + if(!replace_in_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, true)) + return die_ss_("FLAC__metadata_simple_iterator_set_block(iterator, padding, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[P]\tinsert PADDING after\n"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVP[P]\tinsert PADDING after\n"); + padding->length = 5; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, padding, false)", iterator); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return false; + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SVPP[P]\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SVP[P]P\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("SV[P]PP\tprev\n"); + if(!FLAC__metadata_simple_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 101, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, try to expand into padding which is 'close' but still too small\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 97, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PPP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PPP\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 100, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tinsert APPLICATION after, expand into padding which will leave 0-length pad\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 96, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 0; + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]PP\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_simple_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete (middle block), don't replace with padding\n"); + if(!FLAC__metadata_simple_iterator_delete_block(iterator, false)) + return die_ss_("FLAC__metadata_simple_iterator_delete_block(iterator, false)", iterator); + delete_from_our_metadata_(our_current_position--); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("S[V]P\tinsert APPLICATION after, expand into padding which is exactly consumed\n"); + if(!FLAC__metadata_object_application_set_data(app, data, 1, true)) + return die_("setting APPLICATION data"); + if(!insert_to_our_metadata_(app, ++our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)) + return die_ss_("FLAC__metadata_simple_iterator_insert_block_after(iterator, app, true)", iterator); + + if(!test_file_(/*is_ogg=*/false, decoder_metadata_callback_compare_)) + return false; + + printf("delete simple iterator\n"); + + FLAC__metadata_simple_iterator_delete(iterator); + + FLAC__metadata_object_delete(app); + FLAC__metadata_object_delete(padding); + + if(!remove_file_(flacfilename(/*is_ogg=*/false))) + return false; + + return true; +} + +static FLAC__bool test_level_2_(FLAC__bool filename_based, FLAC__bool is_ogg) +{ + FLAC__Metadata_Iterator *iterator; + FLAC__Metadata_Chain *chain; + FLAC__StreamMetadata *block, *app, *padding; + FLAC__byte data[2000]; + uint32_t our_current_position; + + /* initialize 'data' to avoid Valgrind errors */ + memset(data, 0, sizeof(data)); + + printf("\n\n++++++ testing level 2 interface (%s-based, %s FLAC)\n", filename_based? "filename":"callback", is_ogg? "Ogg":"native"); + + printf("generate read-only file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + if(!change_stats_(flacfilename(is_ogg), /*read_only=*/true)) + return false; + + printf("create chain\n"); + + if(0 == (chain = FLAC__metadata_chain_new())) + return die_("allocating chain"); + + printf("read chain\n"); + + if(!read_chain_(chain, flacfilename(is_ogg), filename_based, is_ogg)) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("[S]VP\ttest initial metadata\n"); + + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + if(is_ogg) + goto end; + + printf("switch file to read-write\n"); + + if(!change_stats_(flacfilename(is_ogg), /*read-only=*/false)) + return false; + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + FLAC__metadata_iterator_init(iterator, chain); + + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) + return die_("getting block from iterator"); + + FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO); + + printf("[S]VP\tmodify STREAMINFO, write\n"); + + block->data.stream_info.sample_rate = 32000; + if(!replace_in_our_metadata_(block, our_current_position, /*copy=*/true)) + return die_("copying object"); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/true, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, true)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\treplace PADDING with identical-size APPLICATION\n"); + if(0 == (block = FLAC__metadata_iterator_get_block(iterator))) + return die_("getting block from iterator"); + if(0 == (app = FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION))) + return die_("FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION)"); + memcpy(app->data.application.id, "duh", (FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)); + if(!FLAC__metadata_object_application_set_data(app, data, block->length-(FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8), true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, don't use padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 26, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tgrow APPLICATION, don't use padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 28, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tgrow APPLICATION, use padding, but last block is not padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 36, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, but delta is too small for new PADDING block\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 33, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tshrink APPLICATION, use padding, last block is not padding, delta is enough for new PADDING block\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 29, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + padding->length = 0; + if(!insert_to_our_metadata_(padding, our_current_position+1, /*copy=*/false)) + return die_("internal error"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tshrink APPLICATION, use padding, last block is padding\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 16, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length = 13; + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding, but delta is too small\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 50, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exceeding size\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 56, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + our_metadata_.blocks[our_current_position+1]->length -= (56 - 50); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]P\tgrow APPLICATION, use padding, last block is padding of exact size\n"); + if(0 == (app = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("copying object"); + if(!FLAC__metadata_object_application_set_data(app, data, 67, true)) + return die_("setting APPLICATION data"); + if(!replace_in_our_metadata_(app, our_current_position, /*copy=*/true)) + return die_("copying object"); + delete_from_our_metadata_(our_current_position+1); + if(!FLAC__metadata_iterator_set_block(iterator, app)) + return die_c_("FLAC__metadata_iterator_set_block(iterator, app)", FLAC__metadata_chain_status(chain)); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV[A]\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("S[V]A\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]VA\tinsert PADDING before STREAMINFO (should fail)\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 30; + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + printf("\tFLAC__metadata_iterator_insert_block_before() returned false like it should\n"); + else + return die_("FLAC__metadata_iterator_insert_block_before() should have returned false"); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]A\tinsert PADDING after\n"); + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_after(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]A\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("creating PADDING block"); + padding->length = 17; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]PA\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[our_current_position]))) + return die_("creating PADDING block"); + padding->length = 0; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SV[P]PPA\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVP[P]PA\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPP[P]A\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SVPPP[A]\tinsert PADDING after\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[2]))) + return die_("creating PADDING block"); + padding->length = 57; + if(!insert_to_our_metadata_(padding, ++our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_after(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("SVPPPA[P]\tinsert PADDING before\n"); + if(0 == (padding = FLAC__metadata_object_clone(our_metadata_.blocks[2]))) + return die_("creating PADDING block"); + padding->length = 99; + if(!insert_to_our_metadata_(padding, our_current_position, /*copy=*/true)) + return die_("copying metadata"); + if(!FLAC__metadata_iterator_insert_block_before(iterator, padding)) + return die_("FLAC__metadata_iterator_insert_block_before(iterator, padding)"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("delete iterator\n"); + FLAC__metadata_iterator_delete(iterator); + our_current_position = 0; + + printf("SVPPPAPP\tmerge padding\n"); + FLAC__metadata_chain_merge_padding(chain); + our_metadata_.blocks[2]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[3]->length); + our_metadata_.blocks[2]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[4]->length); + our_metadata_.blocks[6]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[7]->length); + delete_from_our_metadata_(7); + delete_from_our_metadata_(4); + delete_from_our_metadata_(3); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SVPAP\tsort padding\n"); + FLAC__metadata_chain_sort_padding(chain); + our_metadata_.blocks[4]->length += (FLAC__STREAM_METADATA_HEADER_LENGTH + our_metadata_.blocks[2]->length); + delete_from_our_metadata_(2); + + if(!write_chain_(chain, /*use_padding=*/true, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, true, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + our_current_position = 0; + + FLAC__metadata_iterator_init(iterator, chain); + + printf("[S]VAP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("S[V]AP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[A]P\tdelete middle block, replace with padding\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 71; + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/true)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, true)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]PP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]P\tdelete middle block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, false)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, replace with padding\n"); + if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) + return die_("creating PADDING block"); + padding->length = 219; + if(!replace_in_our_metadata_(padding, our_current_position--, /*copy=*/false)) + return die_("copying object"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/true)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, true)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]P\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + our_current_position++; + + printf("SV[P]\tdelete last block, don't replace with padding\n"); + delete_from_our_metadata_(our_current_position--); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("FLAC__metadata_iterator_delete_block(iterator, false)", FLAC__metadata_chain_status(chain)); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("S[V]\tprev\n"); + if(!FLAC__metadata_iterator_prev(iterator)) + return die_("iterator ended early\n"); + our_current_position--; + + printf("[S]V\tdelete STREAMINFO block, should fail\n"); + if(FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_("FLAC__metadata_iterator_delete_block() on STREAMINFO should have failed but didn't"); + + if(!compare_chain_(chain, our_current_position, FLAC__metadata_iterator_get_block(iterator))) + return false; + + printf("delete iterator\n"); + FLAC__metadata_iterator_delete(iterator); + our_current_position = 0; + + printf("SV\tmerge padding\n"); + FLAC__metadata_chain_merge_padding(chain); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + + printf("SV\tsort padding\n"); + FLAC__metadata_chain_sort_padding(chain); + + if(!write_chain_(chain, /*use_padding=*/false, /*preserve_file_stats=*/false, filename_based, flacfilename(is_ogg))) + return die_c_("during FLAC__metadata_chain_write(chain, false, false)", FLAC__metadata_chain_status(chain)); + if(!compare_chain_(chain, 0, 0)) + return false; + if(!test_file_(is_ogg, decoder_metadata_callback_compare_)) + return false; + +end: + printf("delete chain\n"); + + FLAC__metadata_chain_delete(chain); + + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +static FLAC__bool test_level_2_misc_(FLAC__bool is_ogg) +{ + FLAC__Metadata_Iterator *iterator; + FLAC__Metadata_Chain *chain; + FLAC__IOCallbacks callbacks; + + memset(&callbacks, 0, sizeof(callbacks)); + callbacks.read = (FLAC__IOCallback_Read)fread; +#ifdef FLAC__VALGRIND_TESTING + callbacks.write = chain_write_cb_; +#else + callbacks.write = (FLAC__IOCallback_Write)fwrite; +#endif + callbacks.seek = chain_seek_cb_; + callbacks.tell = chain_tell_cb_; + callbacks.eof = chain_eof_cb_; + + printf("\n\n++++++ testing level 2 interface (mismatched read/write protections)\n"); + + printf("generate file\n"); + + if(!generate_file_(/*include_extras=*/false, is_ogg)) + return false; + + printf("create chain\n"); + + if(0 == (chain = FLAC__metadata_chain_new())) + return die_("allocating chain"); + + printf("read chain (filename-based)\n"); + + if(!FLAC__metadata_chain_read(chain, flacfilename(is_ogg))) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks(chain, /*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (filename-based)\n"); + + if(!FLAC__metadata_chain_read(chain, flacfilename(is_ogg))) + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks_and_tempfile()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, /*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks_and_tempfile() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("write chain with wrong method FLAC__metadata_chain_write()\n"); + { + if(FLAC__metadata_chain_write(chain, /*use_padding=*/false, /*preserve_file_stats=*/false)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write() returned false,FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("testing FLAC__metadata_chain_check_if_tempfile_needed()... "); + + if(!FLAC__metadata_chain_check_if_tempfile_needed(chain, /*use_padding=*/false)) + printf("OK: FLAC__metadata_chain_check_if_tempfile_needed() returned false like it should\n"); + else + return die_("FLAC__metadata_chain_check_if_tempfile_needed() returned true but shouldn't have"); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks_and_tempfile()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain, /*use_padding=*/false, 0, callbacks, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks_and_tempfile() returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + printf("read chain (callback-based)\n"); + { + FILE *file = flac_fopen(flacfilename(is_ogg), "rb"); + if(0 == file) + return die_("opening file"); + if(!FLAC__metadata_chain_read_with_callbacks(chain, (FLAC__IOHandle)file, callbacks)) { + fclose(file); + return die_c_("reading chain", FLAC__metadata_chain_status(chain)); + } + fclose(file); + } + + printf("create iterator\n"); + if(0 == (iterator = FLAC__metadata_iterator_new())) + return die_("allocating memory for iterator"); + + FLAC__metadata_iterator_init(iterator, chain); + + printf("[S]VP\tnext\n"); + if(!FLAC__metadata_iterator_next(iterator)) + return die_("iterator ended early\n"); + + printf("S[V]P\tdelete VORBIS_COMMENT, write\n"); + if(!FLAC__metadata_iterator_delete_block(iterator, /*replace_with_padding=*/false)) + return die_c_("block delete failed\n", FLAC__metadata_chain_status(chain)); + + printf("testing FLAC__metadata_chain_check_if_tempfile_needed()... "); + + if(FLAC__metadata_chain_check_if_tempfile_needed(chain, /*use_padding=*/false)) + printf("OK: FLAC__metadata_chain_check_if_tempfile_needed() returned true like it should\n"); + else + return die_("FLAC__metadata_chain_check_if_tempfile_needed() returned false but shouldn't have"); + + printf("write chain with wrong method FLAC__metadata_chain_write_with_callbacks()\n"); + { + if(FLAC__metadata_chain_write_with_callbacks(chain, /*use_padding=*/false, 0, callbacks)) + return die_c_("mismatched write should have failed", FLAC__metadata_chain_status(chain)); + if(FLAC__metadata_chain_status(chain) != FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL) + return die_c_("expected FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL", FLAC__metadata_chain_status(chain)); + printf(" OK: FLAC__metadata_chain_write_with_callbacks() returned false,FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL like it should\n"); + } + + printf("delete iterator\n"); + + FLAC__metadata_iterator_delete(iterator); + + printf("delete chain\n"); + + FLAC__metadata_chain_delete(chain); + + if(!remove_file_(flacfilename(is_ogg))) + return false; + + return true; +} + +FLAC__bool test_metadata_file_manipulation(void) +{ + printf("\n+++ libFLAC unit test: metadata manipulation\n\n"); + + our_metadata_.num_blocks = 0; + + if(!test_level_0_()) + return false; + + if(!test_level_1_()) + return false; + + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/false)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/false)) /* callback-based */ + return false; + if(!test_level_2_misc_(/*is_ogg=*/false)) + return false; + + if(FLAC_API_SUPPORTS_OGG_FLAC) { + if(!test_level_2_(/*filename_based=*/true, /*is_ogg=*/true)) /* filename-based */ + return false; + if(!test_level_2_(/*filename_based=*/false, /*is_ogg=*/true)) /* callback-based */ + return false; +#if 0 + /* when ogg flac write is supported, will have to add this: */ + if(!test_level_2_misc_(/*is_ogg=*/true)) + return false; +#endif + } + + return true; +} |