Add basic tests for octal and hex notation in arithmetic expansions

POSIX requires only decimal, octal and hex, tests for the $((x#number))
notation could be useful too.

1 files changed, 44 insertions, 0 deletions

diff --git a/regress/bin/ksh/arith.t b/regress/bin/ksh/arith.t
index e18ea2e9d78..888909eba2d 100644
--- a/regress/bin/ksh/arith.t
+++ b/regress/bin/ksh/arith.t
@@ -77,3 +77,47 @@ expected-stdout:
 	6,5,3
 ---
 
+name: check-octal-valid-1
+description:
+	Check octal notation (valid input)
+stdin:
+	echo $((00)),$((-00)),$((007)),$((-007)),$((010)),$((-010))
+	echo $((010 + 1))
+expected-stdout:
+	0,0,7,-7,8,-8
+	9
+
+---
+
+name: check-octal-invalid-1
+description:
+	Check octal notation (invalid input)
+stdin:
+	echo $((08))
+expected-exit: e != 0
+expected-stderr-pattern:
+	/.*:.*08.*bad number/
+
+---
+name: check-hex-valid-1
+description:
+	Check hex notation (valid input)
+stdin:
+	echo $((0x0)),$((-0x0)),$((0xf)),$((-0xf)),$((0x10)),$((-0x10))
+	echo $((0x10 + 1))
+expected-stdout:
+	0,0,15,-15,16,-16
+	17
+
+---
+
+name: check-hex-invalid-1
+description:
+	Check hex notation (invalid input)
+stdin:
+	echo $((0xg))
+expected-exit: e != 0
+expected-stderr-pattern:
+	/.*:.* 0xg.*bad number/
+
+---