1 files changed, 16 insertions, 0 deletions
diff --git a/test/t/unit/test_unit_expand_tilde_by_ref.py b/test/t/unit/test_unit_expand_tilde_by_ref.py
new file mode 100644
index 00000000..fbc172df
--- /dev/null
+++ b/test/t/unit/test_unit_expand_tilde_by_ref.py
@@ -0,0 +1,16 @@
+import pytest
+
+from conftest import assert_bash_exec
+
+
+@pytest.mark.bashcomp(cmd=None)
+class TestUnitExpandTildeByRef:
+    def test_1(self, bash):
+        assert_bash_exec(bash, "__expand_tilde_by_ref >/dev/null")
+
+    def test_2(self, bash):
+        """Test environment non-pollution, detected at teardown."""
+        assert_bash_exec(
+            bash,
+            '_x() { local aa="~"; __expand_tilde_by_ref aa; }; _x; unset _x',
+        )