py: Add more compiler optimisations for constant if/while conditions.

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/basics/while_cond.py b/tests/basics/while_cond.py
new file mode 100644
index 000000000..449c5b66e
--- /dev/null
+++ b/tests/basics/while_cond.py
@@ -0,0 +1,18 @@
+# test while conditions which are optimised by the compiler
+
+while 0:
+    print(0)
+else:
+    print(1)
+
+while 1:
+    print(2)
+    break
+
+while 2:
+    print(3)
+    break
+
+while -1:
+    print(4)
+    break