rename directory test_unit to test_libFLAC

src/test_libFLAC/matrix

@@ -0,0 +1,69 @@
+#if 0
+level 1
+
+4 delete	middle block	nopad
+1 delete	middle block	pad
+1 delete	last block	nopad
+1 delete	last block	pad
+1 insert	middle block	nopad
+1 insert	middle block	equalpad
+1 insert	middle block	smallpad
+1 insert	middle block	smallpad+1
+1 insert	middle block	biggerpad
+1 insert	last block	X
+1 set	middle block	smaller	nopad
+1 set	middle block	smaller	pad
+1 set	last block	smaller	nopad
+1 set	last block	smaller	pad
+1 set	middle block	bigger	nopad
+1 set	middle block	bigger	equalpad
+1 set	middle block	bigger	smallpad
+1 set	middle block	bigger	smallpad+1
+1 set	middle block	bigger	biggerpad
+1 set	last block	bigger	nopad
+1 set	middle block	equal	X
+2 set	last block	equal	X
+
+level 2
+
+FLAC__bool FLAC__metadata_chain_write()
+
+1	newsize==oldsize
+	newsize>oldsize
+b		no use_padding
+c		use_padding, last block is not padding
+g		use_padding, last block is padding of insufficient length
+h		use_padding, last block is padding, but padding header straddles border (can't do it)
+j		use_padding, last block is padding of exact sufficient length (padding totally consumed)
+i		use_padding, last block is padding of abundant length (padding is reduced)
+	newsize<oldsize
+a		no use_padding
+d		use_padding, last block is not padding, delta is < 4
+e		use_padding, last block is not padding, delta is >= 4
+f		use_padding, last block is padding
+
+void FLAC__metadata_chain_merge_padding(FLAC__MetaData_Chain *chain);
+void FLAC__metadata_chain_sort_padding(FLAC__MetaData_Chain *chain);
+
+S:34	A:1234
+a:shrink A->30	write nopad
+S:34	A:30
+b:grow A->32	write nopad
+S:34	A:32
+c:grow A->40	write pad
+S:34	A:40
+d:shrink A->37	write pad
+S:34	A:37
+e:shrink A->33	write pad
+S:34	A:33	P:0
+f:shrink A->20	write pad
+S:34	A:20	P:13
+g:grow A->40	write pad
+S:34	A:40	P:13
+h:grow A->54	write pad
+S:34	A:54	P:13
+i:grow A->60	write pad
+S:34	A:60	P:7
+j:grow A->71	write pad
+S:34	A:71
+#endif