Add fail updown test (using pre instead of last).

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/source/updown_fail.scade b/tests/source/updown_fail.scade
new file mode 100644
index 0000000..b6280ef
--- /dev/null
+++ b/tests/source/updown_fail.scade
@@ -0,0 +1,23 @@
+const bound: int = 7;
+
+node updown() returns(probe x: int)
+let
+    automaton
+        initial state UP
+        let x = (0 -> pre x) + 1; tel
+        until if x >= bound resume DOWN;
+
+        state DOWN
+        let x = (0 -> pre x) - 1; tel
+        until if x <= -bound resume UP;
+
+    returns x;
+tel
+
+node test(i: int) returns(a, b, c: int; exit: bool)
+let
+    exit = i >= 30;
+    a = updown();
+    b = 0;
+    c = 0;
+tel