diff --git a/src/weak/dune b/src/weak/dune
index 0d59a61a8..dc28984e7 100644
--- a/src/weak/dune
+++ b/src/weak/dune
@@ -15,3 +15,19 @@
  (libraries qcheck-stm.sequential qcheck-stm.domain)
  (action (run %{test} --verbose))
 )
+
+(test
+ (name lin_tests)
+ (modules lin_tests)
+ (package multicoretests)
+ (libraries qcheck-lin.domain)
+ (action (run %{test} --verbose))
+)
+
+(test
+ (name lin_tests_hashset)
+ (modules lin_tests_hashset)
+ (package multicoretests)
+ (libraries qcheck-lin.domain)
+ (action (run %{test} --verbose))
+)
diff --git a/src/weak/lin_tests.ml b/src/weak/lin_tests.ml
new file mode 100644
index 000000000..786861abe
--- /dev/null
+++ b/src/weak/lin_tests.ml
@@ -0,0 +1,29 @@
+(* ********************************************************************** *)
+(*                            Lin Tests [Weak]                            *)
+(* ********************************************************************** *)
+module WConf =
+struct
+  type t = int64 Weak.t
+
+  let weak_size = 16
+  let init () = Weak.create weak_size
+  let cleanup _ = ()
+
+  open Lin
+  let int,int64 = nat_small,nat64_small
+  let api =
+    [ val_ "Weak.length"   Weak.length   (t @-> returning int);
+      val_ "Weak.set"      Weak.set      (t @-> int @-> option int64 @-> returning_or_exc unit);
+      val_ "Weak.get"      Weak.get      (t @-> int @-> returning_or_exc (option int64));
+      val_ "Weak.get_copy" Weak.get_copy (t @-> int @-> returning_or_exc (option int64));
+      val_ "Weak.check"    Weak.check    (t @-> int @-> returning_or_exc bool);
+      val_ "Weak.fill"     Weak.fill     (t @-> int @-> int @-> option int64 @-> returning_or_exc unit);
+    (*val blit : 'a t -> int -> 'a t -> int -> int -> unit *)
+    ]
+end
+
+module WT_domain = Lin_domain.Make(WConf)
+;;
+QCheck_base_runner.run_tests_main [
+  WT_domain.dont_crash_test ~count:1000 ~name:"Lin Weak don't crash test with Domain";
+]
diff --git a/src/weak/lin_tests_hashset.ml b/src/weak/lin_tests_hashset.ml
new file mode 100644
index 000000000..62c9b87b7
--- /dev/null
+++ b/src/weak/lin_tests_hashset.ml
@@ -0,0 +1,34 @@
+(* ********************************************************************** *)
+(*                       Lin tests of [Weak Hashset]                      *)
+(* ********************************************************************** *)
+module WHSConf =
+struct
+  module WHS = Weak.Make(String)
+  type t = WHS.t
+  let weak_size = 16
+  let init () = WHS.create weak_size
+  let cleanup t = WHS.clear t
+
+  open Lin
+  let string = string_small
+  let api =
+    [ val_ "Weak.S.clear"    WHS.clear    (t @-> returning unit);
+      val_ "Weak.S.merge"    WHS.merge    (t @-> string @-> returning_or_exc string);
+      val_ "Weak.S.add"      WHS.add      (t @-> string @-> returning_or_exc unit);
+      val_ "Weak.S.remove"   WHS.remove   (t @-> string @-> returning_or_exc unit);
+      val_ "Weak.S.find"     WHS.find     (t @-> string @-> returning_or_exc string);
+      val_ "Weak.S.find_opt" WHS.find_opt (t @-> string @-> returning_or_exc (option string));
+      val_ "Weak.S.find_all" WHS.find_all (t @-> string @-> returning_or_exc (list string));
+      val_ "Weak.S.mem"      WHS.mem      (t @-> string @-> returning_or_exc bool);
+    (*val iter : (data -> unit) -> t -> unit*)
+    (*val fold : (data -> 'a -> 'a) -> t -> 'a -> 'a*)
+      val_ "Weak.S.count"    WHS.count    (t @-> returning int);
+    (*val stats : t -> int * int * int * int * int * int*)
+    ]
+end
+
+module WHST_domain = Lin_domain.Make(WHSConf)
+;;
+QCheck_base_runner.run_tests_main [
+  WHST_domain.dont_crash_test ~count:1000 ~name:"Lin Weak HashSet don't crash test with Domain";
+]