From 98fe41748865e2b22b115627ef3297a671f3100d Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 11 Nov 2021 21:49:53 +0100
Subject: Fixed stack transfert sizing bug

---
 src/stack.nim   | 2 +-
 tests/stack.nim | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/stack.nim b/src/stack.nim
index 4565b5c..b100263 100644
--- a/src/stack.nim
+++ b/src/stack.nim
@@ -62,7 +62,7 @@ func Transfert*(toss: var Stack, soss: var Stack, n: int) =
   ## (aka begin) and '}' (aka end) stackstack commands
   toss.height += n
   if toss.height > toss.size:
-    toss.size += 32
+    toss.size = toss.height
     toss.data.setlen(toss.size)
   for i in 1..min(soss.height, n):
     toss.data[toss.height-i] = soss.data[soss.height-i]
diff --git a/tests/stack.nim b/tests/stack.nim
index ebbbe5d..bf02299 100644
--- a/tests/stack.nim
+++ b/tests/stack.nim
@@ -101,8 +101,8 @@ suite "Stack":
     check some.data[2] == -4
     check some.data[3] == 0
   test "Transfert":
-    var empty = NewStack()
-    var empty2 = NewStack()
+    var empty = NewStack(size=12)
+    var empty2 = NewStack(size=7)
     empty[].Transfert(empty2[], 4)
     check empty.height == 4
     check empty2.height == 0
@@ -111,7 +111,7 @@ suite "Stack":
     check empty.data[2] == 0
     check empty.data[3] == 0
     empty[].Transfert(empty2[], 32)
-    check empty.size == 64
+    check empty.size == 36
     empty = NewStack()
     var some = NewStack()
     some[].Push(2)
-- 
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