From 90cc196e4d2c263ee2898162eddc691aac672d7f Mon Sep 17 00:00:00 2001 From: steven-na Date: Fri, 31 Jul 2026 02:30:39 -0700 Subject: Wav funcs and tests --- tests/fixtures/extra_chunk.wav | Bin 0 -> 64 bytes tests/fixtures/missing_data_chunk.wav | Bin 0 -> 36 bytes tests/fixtures/mono8.wav | Bin 0 -> 50 bytes tests/fixtures/odd_chunk.wav | Bin 0 -> 64 bytes tests/fixtures/stereo16.wav | Bin 0 -> 64 bytes tests/wav.c | 137 +++++++++++++++++++++++++++++++++- 6 files changed, 135 insertions(+), 2 deletions(-) create mode 100644 tests/fixtures/extra_chunk.wav create mode 100644 tests/fixtures/missing_data_chunk.wav create mode 100644 tests/fixtures/mono8.wav create mode 100644 tests/fixtures/odd_chunk.wav create mode 100644 tests/fixtures/stereo16.wav (limited to 'tests') diff --git a/tests/fixtures/extra_chunk.wav b/tests/fixtures/extra_chunk.wav new file mode 100644 index 0000000..21e346c Binary files /dev/null and b/tests/fixtures/extra_chunk.wav differ diff --git a/tests/fixtures/missing_data_chunk.wav b/tests/fixtures/missing_data_chunk.wav new file mode 100644 index 0000000..89e1533 Binary files /dev/null and b/tests/fixtures/missing_data_chunk.wav differ diff --git a/tests/fixtures/mono8.wav b/tests/fixtures/mono8.wav new file mode 100644 index 0000000..6c8fe8a Binary files /dev/null and b/tests/fixtures/mono8.wav differ diff --git a/tests/fixtures/odd_chunk.wav b/tests/fixtures/odd_chunk.wav new file mode 100644 index 0000000..a1f1274 Binary files /dev/null and b/tests/fixtures/odd_chunk.wav differ diff --git a/tests/fixtures/stereo16.wav b/tests/fixtures/stereo16.wav new file mode 100644 index 0000000..53795c8 Binary files /dev/null and b/tests/fixtures/stereo16.wav differ diff --git a/tests/wav.c b/tests/wav.c index aac7f9d..81b860e 100644 --- a/tests/wav.c +++ b/tests/wav.c @@ -14,14 +14,147 @@ Test(wav, read_file) { wav_master_chunk_t mchunk; wav_fmt_chunk_t fmtchunk; - wav_data_t *data = load_wav_file(arena, "./tests/fixtures/sine.wav", &mchunk, &fmtchunk); + wav_data_t data = load_wav_file(arena, "./tests/fixtures/sine.wav", &mchunk, &fmtchunk); u8 idcheck[4] = { 'f', 'm', 't', ' ' }; cr_expect(memcmp(fmtchunk.chunk_id, idcheck, 4) == 0); cr_expect(fmtchunk.audio_format == 1); cr_expect(fmtchunk.num_channels == 1); cr_expect(fmtchunk.bits_per_sample == 16); - cr_expect(data->sample_count == 48000); + cr_expect(data.sample_count == 48000); + + smrt_arena_destroy(arena); +} + +Test(wav, sample_data_matches_source) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/sine.wav", &mchunk, &fmtchunk); + + i16 expected[8] = { 0, 2147, 4242, 6291, 8185, 9935, 11580, 12979 }; + i16 *samples = (i16*)((u8*)data.samples + WAV_DATA_BASE_POS); + + for (int i = 0; i < 8; i++) { + cr_expect_eq(samples[i], expected[i]); + } + + smrt_arena_destroy(arena); +} + +Test(wav, missing_file_returns_null) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/does_not_exist.wav", &mchunk, &fmtchunk); + + cr_expect_eq(data.samples, NULL); + + smrt_arena_destroy(arena); +} + +Test(wav, stereo_16bit) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/stereo16.wav", &mchunk, &fmtchunk); + + cr_expect(fmtchunk.num_channels == 2); + cr_expect(fmtchunk.bits_per_sample == 16); + cr_expect(data.sample_count == 5); + + i16 *samples = (i16*)((u8*)data.samples + WAV_DATA_BASE_POS); + cr_expect_eq(samples[0], 0); + cr_expect_eq(samples[1], 0); + cr_expect_eq(samples[2], 100); + cr_expect_eq(samples[3], -100); + + smrt_arena_destroy(arena); +} + +Test(wav, mono_8bit) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/mono8.wav", &mchunk, &fmtchunk); + + cr_expect(fmtchunk.num_channels == 1); + cr_expect(fmtchunk.bits_per_sample == 8); + cr_expect(data.sample_count == 6); + + u8 *samples = (u8*)data.samples + WAV_DATA_BASE_POS; + u8 expected[6] = { 0, 64, 128, 192, 255, 32 }; + for (int i = 0; i < 6; i++) { + cr_expect_eq(samples[i], expected[i]); + } + + smrt_arena_destroy(arena); +} + +Test(wav, skips_unknown_chunk_before_fmt) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/extra_chunk.wav", &mchunk, &fmtchunk); + + u8 idcheck[4] = { 'f', 'm', 't', ' ' }; + cr_expect(memcmp(fmtchunk.chunk_id, idcheck, 4) == 0); + cr_expect(fmtchunk.num_channels == 1); + cr_expect(fmtchunk.sample_rate == 22050); + cr_expect(data.sample_count == 4); + + smrt_arena_destroy(arena); +} + +Test(wav, odd_sized_chunk_before_fmt, .timeout = 2) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/odd_chunk.wav", &mchunk, &fmtchunk); + + u8 idcheck[4] = { 'f', 'm', 't', ' ' }; + cr_expect(memcmp(fmtchunk.chunk_id, idcheck, 4) == 0); + cr_expect(fmtchunk.sample_rate == 16000); + cr_expect(data.sample_count == 4); + + smrt_arena_destroy(arena); +} + +Test(wav, missing_data_chunk, .timeout = 2) { + smrt_arena_t *arena = smrt_arena_create(MiB(4), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/missing_data_chunk.wav", &mchunk, &fmtchunk); + + cr_expect_eq(data.samples, NULL); + + smrt_arena_destroy(arena); +} + +Test(wav, arena_too_small_for_data) { + smrt_arena_t *arena = smrt_arena_create(KiB(1), KiB(4), false); + + wav_master_chunk_t mchunk; + wav_fmt_chunk_t fmtchunk; + + wav_data_t data = load_wav_file(arena, "./tests/fixtures/sine.wav", &mchunk, &fmtchunk); + + cr_expect_eq(data.samples, NULL); + cr_expect_eq(data.sample_count, 0); smrt_arena_destroy(arena); } -- cgit v1.2.3