[src/trunk]: src/tests/bin/expr Add 3 more expr(1) ATF tests detecting overflow

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/037806f3c089
branches:  trunk
changeset: 320243:037806f3c089
user:      kamil <kamil%NetBSD.org@localhost>
date:      Wed Jun 27 17:39:30 2018 +0000

description:
Add 3 more expr(1) ATF tests detecting overflow

Verify 0 * INT.

diffstat:

 tests/bin/expr/t_expr.sh |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (19 lines):

diff -r 781c434d69cc -r 037806f3c089 tests/bin/expr/t_expr.sh
--- a/tests/bin/expr/t_expr.sh  Wed Jun 27 17:23:36 2018 +0000
+++ b/tests/bin/expr/t_expr.sh  Wed Jun 27 17:39:30 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_expr.sh,v 1.5 2018/06/27 17:14:47 kamil Exp $
+# $NetBSD: t_expr.sh,v 1.6 2018/06/27 17:39:30 kamil Exp $
 #
 # Copyright (c) 2007 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -96,6 +96,9 @@
                  "expr: integer overflow or underflow occurred for operation '-4611686018427387904 * -2'"
        test_expr '-4611686018427387904 \* -3' \
                  "expr: integer overflow or underflow occurred for operation '-4611686018427387904 * -3'"
+       test_expr '0 \* -1' '0'
+       test_expr '0 \* 0' '0'
+       test_expr '0 \* 1' '0'
 }
 
 atf_test_case gtkmm