From e0ac194f4fe8b028cb735b73f3333933db7b573d Mon Sep 17 00:00:00 2001
From: Damien George
Date: Wed, 31 Dec 2014 19:35:01 +0000
Subject: py: Fix rshift and not of zero/one edge cases in mpz.

Addresses issue #1027.
---
 tests/basics/int_big_zeroone.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 tests/basics/int_big_zeroone.py

(limited to 'tests')

diff --git a/tests/basics/int_big_zeroone.py b/tests/basics/int_big_zeroone.py
new file mode 100644
index 000000000..e467714bd
--- /dev/null
+++ b/tests/basics/int_big_zeroone.py
@@ -0,0 +1,14 @@
+# test [0,-0,1,-1] edge cases of bignum
+
+long_zero = (2**64) >> 65
+long_neg_zero = -long_zero
+long_one = long_zero + 1
+long_neg_one = -long_one
+
+cases = [long_zero, long_neg_zero, long_one, long_neg_one]
+
+print(cases)
+print([-c for c in cases])
+print([~c for c in cases])
+print([c >> 1 for c in cases])
+print([c << 1 for c in cases])
-- 
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