1 files changed, 44 insertions, 14 deletions
diff --git a/tests/parallel/tdisjoint_slice1.nim b/tests/parallel/tdisjoint_slice1.nim
index c1d0e52f8..6892e7383 100644
--- a/tests/parallel/tdisjoint_slice1.nim
+++ b/tests/parallel/tdisjoint_slice1.nim
@@ -1,21 +1,51 @@
 discard """
+  matrix: "--mm:refc"
   outputsub: "EVEN 28"
 """
 
-import threadpool
+import threadpool, locks
 
-proc odd(a: int) =  echo "ODD  ", a
-proc even(a: int) = echo "EVEN ", a
+block one:
+  proc odd(a: int) =  echo "ODD  ", a
+  proc even(a: int) = echo "EVEN ", a
 
-proc main() =
-  var a: array[0..30, int]
-  for i in low(a)..high(a): a[i] = i
-  parallel:
-    var i = 0
-    while i <= 29:
-      spawn even(a[i])
-      spawn odd(a[i+1])
-      inc i, 2
-      # is correct here
+  proc main() =
+    var a: array[0..30, int]
+    for i in low(a)..high(a): a[i] = i
+    parallel:
+      var i = 0
+      while i <= 29:
+        spawn even(a[i])
+        spawn odd(a[i+1])
+        inc i, 2
+        # is correct here
 
-main()
+  main()
+
+
+block two:
+  var echoLock: Lock
+  initLock echoLock
+
+  proc f(a: openArray[int]) =
+    for x in a:
+      withLock echoLock:
+        echo x
+
+  proc f(a: int) =
+    withLock echoLock:
+      echo a
+
+  proc main() =
+    var a: array[0..9, int] = [0,1,2,3,4,5,6,7,8,9]
+    parallel:
+      spawn f(a[0..2])
+      #spawn f(a[16..30])
+      var i = 3
+      while i <= 8:
+        spawn f(a[i])
+        spawn f(a[i+1])
+        inc i, 2
+        # is correct here
+
+  main()