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-rw-r--r--shell_cmds/sh/tests/expansion/arith5.017
1 files changed, 17 insertions, 0 deletions
diff --git a/shell_cmds/sh/tests/expansion/arith5.0 b/shell_cmds/sh/tests/expansion/arith5.0
new file mode 100644
index 0000000..1cd021f
--- /dev/null
+++ b/shell_cmds/sh/tests/expansion/arith5.0
@@ -0,0 +1,17 @@
+# $FreeBSD: head/bin/sh/tests/expansion/arith5.0 206168 2010-04-04 16:48:33Z jilles $
+
+failures=0
+
+check() {
+ if [ "$2" != "$3" ]; then
+ failures=$((failures+1))
+ echo "For $1, expected $3 actual $2"
+ fi
+}
+
+unset a
+check '$((1+${a:-$((7+2))}))' "$((1+${a:-$((7+2))}))" 10
+check '$((1+${a:=$((2+2))}))' "$((1+${a:=$((2+2))}))" 5
+check '$a' "$a" 4
+
+exit $((failures != 0))