3 files changed, 129 insertions, 0 deletions
diff --git a/tests/lean/misc/external/External/Funs.lean b/tests/lean/misc/external/External/Funs.lean
new file mode 100644
index 00000000..bb1e296d
--- /dev/null
+++ b/tests/lean/misc/external/External/Funs.lean
@@ -0,0 +1,93 @@
+-- THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS
+-- [external]: function definitions
+import Base.Primitives
+import External.Types
+import External.Opaque
+
+section variable (opaque_defs: OpaqueDefs)
+
+/- [external::swap] -/
+def swap_fwd
+  (T : Type) (x : T) (y : T) (st : state) : result (state × Unit) :=
+  do
+    let (st0, _) <- opaque_defs.core_mem_swap_fwd T x y st
+    let (st1, _) <- opaque_defs.core_mem_swap_back0 T x y st st0
+    let (st2, _) <- opaque_defs.core_mem_swap_back1 T x y st st1
+    result.ret (st2, ())
+
+/- [external::swap] -/
+def swap_back
+  (T : Type) (x : T) (y : T) (st : state) (st0 : state) :
+  result (state × (T × T))
+  :=
+  do
+    let (st1, _) <- opaque_defs.core_mem_swap_fwd T x y st
+    let (st2, x0) <- opaque_defs.core_mem_swap_back0 T x y st st1
+    let (_, y0) <- opaque_defs.core_mem_swap_back1 T x y st st2
+    result.ret (st0, (x0, y0))
+
+/- [external::test_new_non_zero_u32] -/
+def test_new_non_zero_u32_fwd
+  (x : UInt32) (st : state) :
+  result (state × core_num_nonzero_non_zero_u32_t)
+  :=
+  do
+    let (st0, opt) <- opaque_defs.core_num_nonzero_non_zero_u32_new_fwd x st
+    opaque_defs.core_option_option_unwrap_fwd core_num_nonzero_non_zero_u32_t
+      opt st0
+
+/- [external::test_vec] -/
+def test_vec_fwd : result Unit :=
+  do
+    let v := vec_new UInt32
+    let _ <- vec_push_back UInt32 v (UInt32.ofNatCore 0 (by intlit))
+    result.ret ()
+
+/- Unit test for [external::test_vec] -/
+#assert (test_vec_fwd = .ret ())
+
+/- [external::custom_swap] -/
+def custom_swap_fwd
+  (T : Type) (x : T) (y : T) (st : state) : result (state × T) :=
+  do
+    let (st0, _) <- opaque_defs.core_mem_swap_fwd T x y st
+    let (st1, x0) <- opaque_defs.core_mem_swap_back0 T x y st st0
+    let (st2, _) <- opaque_defs.core_mem_swap_back1 T x y st st1
+    result.ret (st2, x0)
+
+/- [external::custom_swap] -/
+def custom_swap_back
+  (T : Type) (x : T) (y : T) (st : state) (ret0 : T) (st0 : state) :
+  result (state × (T × T))
+  :=
+  do
+    let (st1, _) <- opaque_defs.core_mem_swap_fwd T x y st
+    let (st2, _) <- opaque_defs.core_mem_swap_back0 T x y st st1
+    let (_, y0) <- opaque_defs.core_mem_swap_back1 T x y st st2
+    result.ret (st0, (ret0, y0))
+
+/- [external::test_custom_swap] -/
+def test_custom_swap_fwd
+  (x : UInt32) (y : UInt32) (st : state) : result (state × Unit) :=
+  do
+    let (st0, _) <- custom_swap_fwd UInt32 x y st
+    result.ret (st0, ())
+
+/- [external::test_custom_swap] -/
+def test_custom_swap_back
+  (x : UInt32) (y : UInt32) (st : state) (st0 : state) :
+  result (state × (UInt32 × UInt32))
+  :=
+  custom_swap_back UInt32 x y st (UInt32.ofNatCore 1 (by intlit)) st0
+
+/- [external::test_swap_non_zero] -/
+def test_swap_non_zero_fwd
+  (x : UInt32) (st : state) : result (state × UInt32) :=
+  do
+    let (st0, _) <- swap_fwd UInt32 x (UInt32.ofNatCore 0 (by intlit)) st
+    let (st1, (x0, _)) <-
+      swap_back UInt32 x (UInt32.ofNatCore 0 (by intlit)) st st0
+    if x0 = (UInt32.ofNatCore 0 (by intlit))
+    then result.fail error.panic
+    else result.ret (st1, x0)
+
diff --git a/tests/lean/misc/external/External/Opaque.lean b/tests/lean/misc/external/External/Opaque.lean
new file mode 100644
index 00000000..40ccc313
--- /dev/null
+++ b/tests/lean/misc/external/External/Opaque.lean
@@ -0,0 +1,28 @@
+-- THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS
+-- [external]: opaque function definitions
+import Base.Primitives
+import External.Types
+
+structure OpaqueDefs where
+  
+  /- [core::mem::swap] -/
+  core_mem_swap_fwd (T : Type) : T -> T -> state -> result (state × Unit)
+  
+  /- [core::mem::swap] -/
+  core_mem_swap_back0
+    (T : Type) : T -> T -> state -> state -> result (state × T)
+  
+  /- [core::mem::swap] -/
+  core_mem_swap_back1
+    (T : Type) : T -> T -> state -> state -> result (state × T)
+  
+  /- [core::num::nonzero::NonZeroU32::{14}::new] -/
+  core_num_nonzero_non_zero_u32_new_fwd
+    :
+    UInt32 -> state -> result (state × (Option
+      core_num_nonzero_non_zero_u32_t))
+  
+  /- [core::option::Option::{0}::unwrap] -/
+  core_option_option_unwrap_fwd
+    (T : Type) : Option T -> state -> result (state × T)
+  
diff --git a/tests/lean/misc/external/External/Types.lean b/tests/lean/misc/external/External/Types.lean
new file mode 100644
index 00000000..b6fa292b
--- /dev/null
+++ b/tests/lean/misc/external/External/Types.lean
@@ -0,0 +1,8 @@
+-- THIS FILE WAS AUTOMATICALLY GENERATED BY AENEAS
+-- [external]: type definitions
+import Base.Primitives
+
+/- [core::num::nonzero::NonZeroU32] -/
+axiom core_num_nonzero_non_zero_u32_t : Type
+/- The state type used in the state-error monad -/ axiom state : Type
+