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-rwxr-xr-xtests/misc/printenv6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/misc/printenv b/tests/misc/printenv
index bbda1dbd4..bc51fca0b 100755
--- a/tests/misc/printenv
+++ b/tests/misc/printenv
@@ -77,4 +77,10 @@ echo b > exp || framework_failure
env -- -a=b printenv -- -a > out || fail=1
compare exp out || fail=1
+# Silently reject invalid env-var names.
+# Bug present through coreutils 8.0.
+env a=b=c printenv a=b > out
+test $? = 1 || fail=1
+test -s out && fail=1
+
Exit $fail