Comments (4)
did you manage to reproduce this in a minimal repro?
from bitvec.
Unfortunately I don't have the time to create minimal reproductions.
from bitvec.
I have checked out librasn/rasn@5820db2, fixed the Cargo.toml (hopefully with no side effects):
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ bitvec = { version = "1.0.1", default-features = false, features = ["alloc"] }
rasn-derive = { version = "0.6.0", path = "macros", optional = true }
chrono = { version = "0.4.19", default-features = false, features = ["alloc"] }
konst = { version = "0.2.13", default-features = false }
-nom-bitvec = { package = "bitvec-nom", version = "0.2.0", git = "https://github.com/XAMPPRocky/nom-bitvec.git" }
+nom-bitvec = { package = "bitvec-nom2", version = "0.2.0", git = "https://github.com/XAMPPRocky/nom-bitvec.git" }
arrayvec = { version = "0.7.2", default-features = false }
either = { version = "1.8.0", default-features = false }
once_cell = { version = "1.16.0", default-features = false, features = ["race", "alloc"] }
and was able to reproduce the failing tests. Then I threw out tests until I was down to two candidates where one would fail if both were active: ax_uper
and unconstrained_aper
.
To avoid missunderstandings with your test macro, I also rolled out the content:
#[test]
fn test() {
unconstrained_aper();
ax_uper();
}
fn unconstrained_aper() {
println!("unconstrained_aper");
const EXPECTED: &[u8] = &[
0x82, 0x4A, 0xDF, 0xA3, 0x70, 0x0D, 0x00, 0x5A, 0x7B, 0x74, 0xF4, 0xD0,
0x02, 0x66, 0x11, 0x13, 0x4F, 0x2C, 0xB8, 0xFA, 0x6F, 0xE4, 0x10, 0xC5,
0xCB, 0x76, 0x2C, 0x1C, 0xB1, 0x6E, 0x09, 0x37, 0x0F, 0x2F, 0x20, 0x35,
0x01, 0x69, 0xED, 0xD3, 0xD3, 0x40, 0x10, 0x2D, 0x2C, 0x3B, 0x38, 0x68,
0x01, 0xA8, 0x0B, 0x4F, 0x6E, 0x9E, 0x9A, 0x02, 0x18, 0xB9, 0x6A, 0xDD,
0x8B, 0x16, 0x2C, 0x41, 0x69, 0xF5, 0xE7, 0x87, 0x70, 0x0C, 0x20, 0x59,
0x5B, 0xF7, 0x65, 0xE6, 0x10, 0xC5, 0xCB, 0x57, 0x2C, 0x1B, 0xB1, 0x6E,
];
let default: PersonnelRecord = PersonnelRecord::default();
assert_eq!(
EXPECTED,
rasn::uper::encode(&default).unwrap()
);
}
fn ax_uper() {
println!("ax_uper");
const EXPECTED: &[u8] = &[0x9e, 0x00, 0x06, 0x00, 0x04, 0x0a, 0x46, 0x90];
let default: Ax = Ax::default();
assert_eq!(
EXPECTED,
rasn::uper::encode(&default).unwrap()
);
}
Now this is where things get interesting:
- if you execute as given above, we get a fail in
ax_uper
([....], 74, 144
expected[...], 36, 112
received). - if you do both tests individually (i.e. comment out one of the two calls in
test()
), they pass. - if we swap them, we get a panic:
thread 'test' panicked at src\types\strings\constrained.rs:39:34:
no entry found for key
stack backtrace:
0: std::panicking::begin_panic_handler
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\std\src\panicking.rs:645
1: core::panicking::panic_fmt
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\core\src\panicking.rs:72
2: core::panicking::panic_display
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\core\src\panicking.rs:178
3: core::panicking::panic_str
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\core\src\panicking.rs:152
4: core::option::expect_failed
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\core\src\option.rs:1985
5: enum2$<core::option::Option<ref$<u32> > >::expect
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44\library\core\src\option.rs:894
6: alloc::collections::btree::map::impl$88::index<u32,u32,u32,alloc::alloc::Global>
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44\library\alloc\src\collections\btree\map.rs:2328
7: rasn::types::strings::constrained::StaticPermittedAlphabet::to_index_string<rasn::types::strings::visible::VisibleString>
at .\src\types\strings\constrained.rs:39
8: rasn::per::enc::Encoder::encode_known_multipler_string<rasn::types::strings::visible::VisibleString>
at .\src\per\enc.rs:176
9: rasn::per::enc::impl$2::encode_visible_string
at .\src\per\enc.rs:644
10: rasn::types::strings::visible::impl$4::encode_with_tag_and_constraints<rasn::per::enc::Encoder>
at .\src\types\strings\visible.rs:60
11: rasn::enc::Encode::encode<rasn::types::strings::visible::VisibleString,rasn::per::enc::Encoder>
at .\src\enc.rs:18
12: personnel::impl$35::encode_with_tag_and_constraints::closure$0<rasn::per::enc::Encoder>
at .\tests\personnel.rs:64
13: rasn::per::enc::impl$2::encode_sequence<personnel::Name,personnel::impl$35::encode_with_tag_and_constraints::closure_env$0<rasn::per::enc::Encoder> >
at .\src\per\enc.rs:830
14: personnel::impl$35::encode_with_tag_and_constraints<rasn::per::enc::Encoder>
at .\tests\personnel.rs:64
15: rasn::enc::Encode::encode<personnel::Name,rasn::per::enc::Encoder>
at .\src\enc.rs:18
16: personnel::impl$21::encode_with_tag_and_constraints::closure$0<rasn::per::enc::Encoder>
at .\tests\personnel.rs:4
17: rasn::per::enc::impl$2::encode_set<personnel::PersonnelRecord,personnel::impl$21::encode_with_tag_and_constraints::closure_env$0<rasn::per::enc::Encoder> >
at .\src\per\enc.rs:845
18: personnel::impl$21::encode_with_tag_and_constraints<rasn::per::enc::Encoder>
at .\tests\personnel.rs:4
19: rasn::enc::Encode::encode<personnel::PersonnelRecord,rasn::per::enc::Encoder>
at .\src\enc.rs:18
20: rasn::per::encode<personnel::PersonnelRecord>
at .\src\per.rs:32
21: rasn::uper::encode<personnel::PersonnelRecord>
at .\src\uper.rs:14
22: personnel::unconstrained_aper
at .\tests\personnel.rs:403
23: personnel::test
at .\tests\personnel.rs:385
24: personnel::test::closure$0
at .\tests\personnel.rs:383
25: core::ops::function::FnOnce::call_once<personnel::test::closure_env$0,tuple$<> >
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44\library\core\src\ops\function.rs:250
26: core::ops::function::FnOnce::call_once
at /rustc/1a06ac5b5d7c9331e8de1aa1fd7e9d3533034b44/library\core\src\ops\function.rs:250
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
test test ... FAILED
I had a brief look at your code and your index_map function looks broken:
fn index_map() -> &'static alloc::collections::BTreeMap<u32, u32> {
static MAP: OnceBox<BTreeMap<u32, u32>> = OnceBox::new();
MAP.get_or_init(|| {
Box::new(
Self::CHARACTER_SET
.into_iter()
.copied()
.enumerate()
.map(|(i, e)| (e, i as u32))
.collect(),
)
})
}
While Self::CHARACTER_SET
correctly resolves to the type's constant, static MAP: OnceBox<BTreeMap<u32, u32>> = OnceBox::new();
will be the same OnceBox for all implementing types. unconstrained_aper
and ax_uper
apparently use different types (NumericString
vs VisibleString
), so
- if you execute only one of the tests, everything works
- if you execute the one with the bigger charset first, you get wrong results
- if you execute the one with the smaller charset first, things go boom because you are accessing the btreemap out of bounds
from bitvec.
Thank you for investigating, we can close this and continue on the rasn repo.
from bitvec.
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