src/tools/rust-demangler/tests/lib.rs

   1 use rust_demangler::*;
   2
   3 const MANGLED_INPUT: &str = r"
   4 _RNvC6_123foo3bar
   5 _RNqCs4fqI2P2rA04_11utf8_identsu30____7hkackfecea1cbdathfdh9hlq6y
   6 _RNCNCNgCs6DXkGYLi8lr_2cc5spawn00B5_
   7 _RNCINkXs25_NgCsbmNqQUJIY6D_4core5sliceINyB9_4IterhENuNgNoBb_4iter8iterator8Iterator9rpositionNCNgNpB9_6memchr7memrchrs_0E0Bb_
   8 _RINbNbCskIICzLVDPPb_5alloc5alloc8box_freeDINbNiB4_5boxed5FnBoxuEp6OutputuEL_ECs1iopQbuBiw2_3std
   9 INtC8arrayvec8ArrayVechKj7b_E
  10 _RMCs4fqI2P2rA04_13const_genericINtB0_8UnsignedKhb_E
  11 _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKs98_E
  12 _RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKanb_E
  13 _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb0_E
  14 _RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb1_E
  15 _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc76_E
  16 _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKca_E
  17 _RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc2202_E
  18 _RNvNvMCs4fqI2P2rA04_13const_genericINtB4_3FooKpE3foo3FOO
  19 _RC3foo.llvm.9D1C9369
  20 _RC3foo.llvm.9D1C9369@@16
  21 _RNvC9backtrace3foo.llvm.A5310EB9
  22 _RNvNtNtNtNtCs92dm3009vxr_4rand4rngs7adapter9reseeding4fork23FORK_HANDLER_REGISTERED.0.0
  23 ";
  24
  25 const DEMANGLED_OUTPUT: &str = r"
  26 123foo[0]::bar
  27 utf8_idents[317d481089b8c8fe]::საჭმელად_გემრიელი_სადილი
  28 cc[4d6468d6c9fd4bb3]::spawn::{closure#0}::{closure#0}
  29 <core[846817f741e54dfd]::slice::Iter<u8> as core[846817f741e54dfd]::iter::iterator::Iterator>::rposition::<core[846817f741e54dfd]::slice::memchr::memrchr::{closure#1}>::{closure#0}
  30 alloc[f15a878b47eb696b]::alloc::box_free::<dyn alloc[f15a878b47eb696b]::boxed::FnBox<(), Output = ()>>
  31 INtC8arrayvec8ArrayVechKj7b_E
  32 <const_generic[317d481089b8c8fe]::Unsigned<11: u8>>
  33 <const_generic[317d481089b8c8fe]::Signed<152: i16>>
  34 <const_generic[317d481089b8c8fe]::Signed<-11: i8>>
  35 <const_generic[317d481089b8c8fe]::Bool<false: bool>>
  36 <const_generic[317d481089b8c8fe]::Bool<true: bool>>
  37 <const_generic[317d481089b8c8fe]::Char<'v': char>>
  38 <const_generic[317d481089b8c8fe]::Char<'\n': char>>
  39 <const_generic[317d481089b8c8fe]::Char<'∂': char>>
  40 <const_generic[317d481089b8c8fe]::Foo<_>>::foo::FOO
  41 foo[0]
  42 foo[0]
  43 backtrace[0]::foo
  44 rand[693ea8e72247470f]::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0
  45 ";
  46
  47 const DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS: &str = r"
  48 123foo[0]::bar
  49 utf8_idents::საჭმელად_გემრიელი_სადილი
  50 cc::spawn::{closure#0}::{closure#0}
  51 <core::slice::Iter<u8> as core::iter::iterator::Iterator>::rposition::<core::slice::memchr::memrchr::{closure#1}>::{closure#0}
  52 alloc::alloc::box_free::<dyn alloc::boxed::FnBox<(), Output = ()>>
  53 INtC8arrayvec8ArrayVechKj7b_E
  54 <const_generic::Unsigned<11: u8>>
  55 <const_generic::Signed<152: i16>>
  56 <const_generic::Signed<-11: i8>>
  57 <const_generic::Bool<false: bool>>
  58 <const_generic::Bool<true: bool>>
  59 <const_generic::Char<'v': char>>
  60 <const_generic::Char<'\n': char>>
  61 <const_generic::Char<'∂': char>>
  62 <const_generic::Foo<_>>::foo::FOO
  63 foo[0]
  64 foo[0]
  65 backtrace[0]::foo
  66 rand::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0
  67 ";
  68
  69 #[test]
  70 fn test_demangle_lines() {
  71     let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), None);
  72     for (expected, actual) in DEMANGLED_OUTPUT.lines().zip(demangled_lines) {
  73         assert_eq!(expected, actual);
  74     }
  75 }
  76
  77 #[test]
  78 fn test_demangle_lines_no_crate_disambiguators() {
  79     let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), Some(create_disambiguator_re()));
  80     for (expected, actual) in DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS.lines().zip(demangled_lines)
  81     {
  82         assert_eq!(expected, actual);
  83     }
  84 }