From 810133d97d4391151e86af90508222c480f362b7 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Tue, 25 Apr 2017 12:07:02 +1000
Subject: [PATCH] tests/basics: Add tests for int.from_bytes when src has
 trailing zeros.

The trailing zeros should be truncated from the converted value.
---
 tests/basics/int_bytes.py        | 4 ++++
 tests/basics/int_bytes_intbig.py | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/tests/basics/int_bytes.py b/tests/basics/int_bytes.py
index 45965ed46..93c00bba1 100644
--- a/tests/basics/int_bytes.py
+++ b/tests/basics/int_bytes.py
@@ -4,3 +4,7 @@ print((100).to_bytes(10, "little"))
 print(int.from_bytes(b"\x00\x01\0\0\0\0\0\0", "little"))
 print(int.from_bytes(b"\x01\0\0\0\0\0\0\0", "little"))
 print(int.from_bytes(b"\x00\x01\0\0\0\0\0\0", "little"))
+
+# check that extra zero bytes don't change the internal int value
+print(int.from_bytes(bytes(20), "little") == 0)
+print(int.from_bytes(b"\x01" + bytes(20), "little") == 1)
diff --git a/tests/basics/int_bytes_intbig.py b/tests/basics/int_bytes_intbig.py
index 39cd67d26..0e0ad1cbb 100644
--- a/tests/basics/int_bytes_intbig.py
+++ b/tests/basics/int_bytes_intbig.py
@@ -7,3 +7,6 @@ ib = int.from_bytes(b, "big")
 print(il)
 print(ib)
 print(il.to_bytes(20, "little"))
+
+# check that extra zero bytes don't change the internal int value
+print(int.from_bytes(b + bytes(10), "little") == int.from_bytes(b, "little"))
-- 
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