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erlang: register binary_to_list/1 + list_to_binary/1 BIFs (+9 ffi tests, 738/738)

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giles
2026-06-06 08:02:36 +00:00
parent b7fcd17e6e
commit c6f397c3d9
4 changed files with 109 additions and 5 deletions
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45
lib/erlang/tests/ffi.sx
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@@ -160,6 +160,51 @@
(ffi-nm (ffi-ev "element(2, file:list_dir(\"/no/such/dir/xyz\"))"))
"enoent")
(er-ffi-test
"binary_to_list <<1,2,3>> length"
(ffi-ev "length(binary_to_list(<<1,2,3,4,5>>))")
5)
(er-ffi-test
"binary_to_list hd byte"
(ffi-ev "hd(binary_to_list(<<7,8,9>>))")
7)
(er-ffi-test
"binary_to_list empty -> []"
(ffi-nm (ffi-ev "case binary_to_list(<<>>) of [] -> empty end"))
"empty")
(er-ffi-test
"list_to_binary flat list bytes"
(ffi-ev "byte_size(list_to_binary([1,2,3]))")
3)
(er-ffi-test
"list_to_binary nested iolist"
(ffi-ev "byte_size(list_to_binary([1, <<2,3>>, [4, [5]]]))")
5)
(er-ffi-test
"list_to_binary round-trip via binary_to_list"
(ffi-nm (ffi-ev "list_to_binary(binary_to_list(<<10,20,30>>)) =:= <<10,20,30>>"))
"true")
(er-ffi-test
"binary_to_list non-binary -> error:badarg"
(ffi-nm (ffi-ev "try binary_to_list(42) catch error:badarg -> ok end"))
"ok")
(er-ffi-test
"list_to_binary out-of-range byte -> error:badarg"
(ffi-nm (ffi-ev "try list_to_binary([300]) catch error:badarg -> ok end"))
"ok")
(er-ffi-test
"list_to_binary non-iolist -> error:badarg"
(ffi-nm (ffi-ev "try list_to_binary(42) catch error:badarg -> ok end"))
"ok")
;; ── Still deferred (no host primitive): httpc (HTTP client, v2),
;; sqlite-* (v2 indexes). Assert NOT registered so a future iteration
;; that wires them without updating this suite fails fast.