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-rw-r--r--bin/1sh/tests/expansion/cmdsubst18.06
1 files changed, 6 insertions, 0 deletions
diff --git a/bin/1sh/tests/expansion/cmdsubst18.0 b/bin/1sh/tests/expansion/cmdsubst18.0
new file mode 100644
index 00000000..d090925b
--- /dev/null
+++ b/bin/1sh/tests/expansion/cmdsubst18.0
@@ -0,0 +1,6 @@
+# $FreeBSD: releng/12.1/bin/sh/tests/expansion/cmdsubst18.0 314637 2017-03-03 22:46:20Z jilles $
+
+x=X
+unset n
+r=${x+$(echo a)}${x-$(echo b)}${n+$(echo c)}${n-$(echo d)}$(echo e)
+[ "$r" = aXde ]