diff --git a/test/bad/linear_causality.ept b/test/bad/linear_causality.ept
new file mode 100644
index 0000000..ad7c816
--- /dev/null
+++ b/test/bad/linear_causality.ept
@@ -0,0 +1,6 @@
+node f(a:int^10 at r) returns (o:int^10 at r)
+var u:int^10 at r;
+let
+  u = [a with [0] = 0];
+  o = map<<10>> (+)(u, a);
+tel
\ No newline at end of file
diff --git a/test/good/linear.ept b/test/good/linear.ept
new file mode 100644
index 0000000..892afba
--- /dev/null
+++ b/test/good/linear.ept
@@ -0,0 +1,35 @@
+const m:int = 3
+const n:int = 100
+
+node f(a:int^10 at r) returns (o:int^10 at r)
+let
+  o = [ a with [0]=0 ]
+tel
+
+node g(a:int^10 at r) returns (o:int^10 at r)
+let
+  o = f(a)
+tel
+
+node linplus (a:int at r) returns (u:int at r)
+let
+  u = a
+tel
+
+fun swap<<s:int>>(i,j:int; a:float^s at r) returns (o:float^s at r)
+var u,v:float; a1:float^s at r;
+let
+  u = a.[i] default 0.0;
+  v = a.[j] default 0.0;
+  a1 = [ a with [i] = v ];
+  o = [ a1 with [j] = v];
+tel
+
+node shuffle(i_arr, j_arr:int^m; q:int)
+  returns (v : float)
+var t,t_next:float^n at r;
+let
+  t_next = fold<<m>> (swap<<n>>)(i_arr, j_arr, t);
+  init<<r>> t = (0.0^n) fby t_next;
+  v = t_next.[q] default 0.0;
+tel
\ No newline at end of file
diff --git a/test/good/linear_automata.ept b/test/good/linear_automata.ept
new file mode 100644
index 0000000..86bc2ff
--- /dev/null
+++ b/test/good/linear_automata.ept
@@ -0,0 +1,26 @@
+const n:int = 100
+
+fun f(a:int^n at r) returns (o:int^n at r)
+let
+  o = [ a with [0] = 0 ]
+tel
+
+fun g(a:int^n at r) returns (o:int^n at r)
+let
+  o = [ a with [n-1] = 0 ]
+tel
+
+node autom(a:int^n at r) returns (o:int^n at r)
+let
+  automaton
+    state S1
+    do
+      o = f(a)
+    until true then S2
+
+    state S2
+    do
+      o = g(a)
+    until false then S1
+  end
+tel
\ No newline at end of file
diff --git a/test/good/linear_init.ept b/test/good/linear_init.ept
new file mode 100644
index 0000000..278d99c
--- /dev/null
+++ b/test/good/linear_init.ept
@@ -0,0 +1,23 @@
+const n:int = 100
+
+node pp(x:float) returns(o1,o2:float)
+let
+  o1 = x;
+  o2 = x
+tel
+
+node f() returns (o:float)
+var u,v:float^n at r;
+let
+  init<<r>> u = [1.0^n with [0] = 0.0];
+  v = [u with [n-1] = 0.0];
+  o = v[28]
+tel
+
+node g() returns (o:float)
+var u,v:float^n at r; z:float^n;
+let
+  (init<<r>> u, z) = map<<n>> pp(0.0^n);
+  v = [u with [n-1] = 0.0];
+  o = v[28]
+tel
\ No newline at end of file
diff --git a/test/good/linear_split.ept b/test/good/linear_split.ept
new file mode 100644
index 0000000..2f4c6e0
--- /dev/null
+++ b/test/good/linear_split.ept
@@ -0,0 +1,11 @@
+const n:int = 100
+
+type st = On | Off
+
+node f(a:int^n at r; c:st) returns (o:int^n at r)
+var u,v,x:int^n at r;
+let
+  (u, v) = split c (a);
+  x = [ u with [0] = 0 ];
+  o = merge c (On -> x) (Off -> v)
+tel
\ No newline at end of file
diff --git a/test/good/memalloc_record.ept b/test/good/memalloc_record.ept
new file mode 100644
index 0000000..b8a0b5a
--- /dev/null
+++ b/test/good/memalloc_record.ept
@@ -0,0 +1,14 @@
+type array = { tab : int^100; size : int  }
+
+fun f(a:array) returns (o:array)
+let
+  o = { a with .size = 0 }
+tel
+
+node g(a:array) returns (o:array)
+var v, u : int^100;
+let
+  v = [ a.tab with [0] = 0 ];
+  u = [ v with [10] = 99 ];
+  o = { a with .tab = u }
+tel
\ No newline at end of file
diff --git a/test/good/memalloc_simple.ept b/test/good/memalloc_simple.ept
new file mode 100644
index 0000000..2edd3ee
--- /dev/null
+++ b/test/good/memalloc_simple.ept
@@ -0,0 +1,43 @@
+const n:int = 100
+const m:int = 3
+
+fun swap<<s:int>>(i,j:int; a:float^s) returns (o:float^s)
+var u,v:float; a1:float^s;
+let
+  u = a.[i] default 0.0;
+  v = a.[j] default 0.0;
+  a1 = [ a with [i] = v ];
+  o = [ a1 with [j] = v];
+tel
+
+node shuffle(i_arr, j_arr:int^m; q:int)
+  returns (v : float)
+var t,t_next:float^n;
+let
+  t_next = fold<<m>> (swap<<n>>)(i_arr, j_arr, t);
+  t = (0.0^n) fby t_next;
+  v = t_next.[q] default 0.0;
+tel
+
+node p(a,b:int^n) returns (o:int^n)
+var x:int^n;
+let
+  x = map<<n>> (+) (a, b);
+  o = map<<n>> (-) (x, b)
+tel
+
+fun clocked(x:bool; i,j:int; a:float^n) returns (o:float^n)
+var a1,a2:float^n;
+let
+  a1 = [ (a when true(x)) with [i when true(x)] = 0.0 ];
+  a2 = [ (a when false(x)) with [j when false(x)] = 0.0 ];
+  o = merge x (true -> a1) (false -> a2);
+tel
+
+node clocked_reg(x:bool; i,j:int; a:float^n) returns (o:float^n)
+var a1,a2:float^n;
+let
+  o = merge x (true -> a1) (false -> a2);
+  a1 = (0.0^n) fby [ a1 with [i when true(x)] = 0.0 ];
+  a2 = (0.0^n) fby [ a2 with [j when false(x)] = 0.0 ];
+tel