From f62503dc4757902a1f68c55b938bcd6ddfd6e002 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Fri, 24 Feb 2017 13:08:18 +1100
Subject: [PATCH] tests/micropython: Add test for consts that are bignums.

---
 tests/micropython/const_intbig.py     | 13 +++++++++++++
 tests/micropython/const_intbig.py.exp |  2 ++
 2 files changed, 15 insertions(+)
 create mode 100644 tests/micropython/const_intbig.py
 create mode 100644 tests/micropython/const_intbig.py.exp

diff --git a/tests/micropython/const_intbig.py b/tests/micropython/const_intbig.py
new file mode 100644
index 000000000..e74902652
--- /dev/null
+++ b/tests/micropython/const_intbig.py
@@ -0,0 +1,13 @@
+# test constant optimisation, with consts that are bignums
+
+from micropython import const
+
+# check we can make consts from bignums
+Z1 = const(0xffffffff)
+Z2 = const(0xffffffffffffffff)
+print(hex(Z1), hex(Z2))
+
+# check arithmetic with bignum
+Z3 = const(Z1 + Z2)
+Z4 = const((1 << 100) + Z1)
+print(hex(Z3), hex(Z4))
diff --git a/tests/micropython/const_intbig.py.exp b/tests/micropython/const_intbig.py.exp
new file mode 100644
index 000000000..137f86cf8
--- /dev/null
+++ b/tests/micropython/const_intbig.py.exp
@@ -0,0 +1,2 @@
+0xffffffff 0xffffffffffffffff
+0x100000000fffffffe 0x100000000000000000ffffffff