2 files changed, 10 insertions, 0 deletions

diff --git a/shell/ash_test/ash-quoting/negative_arith.right b/shell/ash_test/ash-quoting/negative_arith.right
new file mode 100644
index 000000000..e7e51eee7
--- /dev/null
+++ b/shell/ash_test/ash-quoting/negative_arith.right
@@ -0,0 +1,2 @@
+tempfile0.tmp tempfile9.tmp
+tempfile0.tmp tempfile1.tmp tempfile9.tmp
diff --git a/shell/ash_test/ash-quoting/negative_arith.tests b/shell/ash_test/ash-quoting/negative_arith.tests
new file mode 100755
index 000000000..8e47ca111
--- /dev/null
+++ b/shell/ash_test/ash-quoting/negative_arith.tests
@@ -0,0 +1,8 @@
+>tempfile0.tmp
+>tempfile1.tmp
+>tempfile9.tmp
+# The [...] is interpreted as: "any of the chars 0, -, and 9"
+echo tempfile[0"$((-9))"].tmp
+# The [...] is [0-9], interpreted as: "any digit"
+echo tempfile[0$((-9))].tmp
+rm tempfile?.tmp