3 files changed, 35 insertions, 0 deletions

diff --git a/tests/src/mutually-recursive-traits.lean.out b/tests/src/mutually-recursive-traits.lean.out
new file mode 100644
index 00000000..33206fe5
--- /dev/null
+++ b/tests/src/mutually-recursive-traits.lean.out
@@ -0,0 +1,17 @@
+[Info ] Imported: tests/llbc/mutually_recursive_traits.llbc
+[Error] In file Translate.ml, line 813:
+Mutually recursive trait declarations are not supported
+
+Uncaught exception:
+  
+  (Failure
+    "In file Translate.ml, line 813:\
+   \nIn file Translate.ml, line 813:\
+   \nMutually recursive trait declarations are not supported")
+
+Raised at Aeneas__Errors.craise_opt_span in file "Errors.ml", line 46, characters 4-76
+Called from Stdlib__List.iter in file "list.ml", line 110, characters 12-15
+Called from Aeneas__Translate.extract_definitions in file "Translate.ml", line 836, characters 2-52
+Called from Aeneas__Translate.extract_file in file "Translate.ml", line 954, characters 2-36
+Called from Aeneas__Translate.translate_crate in file "Translate.ml", line 1502, characters 5-42
+Called from Dune__exe__Main in file "Main.ml", line 276, characters 9-61
diff --git a/tests/src/mutually-recursive-traits.rs b/tests/src/mutually-recursive-traits.rs
new file mode 100644
index 00000000..351763b2
--- /dev/null
+++ b/tests/src/mutually-recursive-traits.rs
@@ -0,0 +1,11 @@
+//@ [lean] known-failure
+//@ [coq,fstar] skip
+//@ subdir=misc
+pub trait Trait1 {
+    type T: Trait2;
+}
+
+pub trait Trait2: Trait1 {}
+
+pub trait T1<T: T2<Self>>: Sized {}
+pub trait T2<T: T1<Self>>: Sized {}
diff --git a/tests/src/string-chars.rs b/tests/src/string-chars.rs
new file mode 100644
index 00000000..f8490e76
--- /dev/null
+++ b/tests/src/string-chars.rs
@@ -0,0 +1,7 @@
+//@ [lean] known-failure
+//@ [coq,fstar] skip
+//@ no-check-output
+fn main() {
+    let s = "hello";
+    let _chs: Vec<char> = s.chars().collect();
+}