1 files changed, 31 insertions, 0 deletions
diff --git a/test/t/unit/test_unit_expand.py b/test/t/unit/test_unit_expand.py
new file mode 100644
index 0000000..d2a3ebc
--- /dev/null
+++ b/test/t/unit/test_unit_expand.py
@@ -0,0 +1,31 @@
+import pytest
+
+from conftest import assert_bash_exec
+
+
+@pytest.mark.bashcomp(cmd=None, ignore_env=r"^[+-](cur|COMPREPLY)=")
+class TestUnitExpand:
+    def test_1(self, bash):
+        assert_bash_exec(bash, "_expand >/dev/null")
+
+    def test_2(self, bash):
+        """Test environment non-pollution, detected at teardown."""
+        assert_bash_exec(bash, "foo() { _expand; }; foo; unset foo")
+
+    def test_user_home_compreply(self, bash, user_home):
+        user, home = user_home
+        output = assert_bash_exec(
+            bash,
+            r'cur="~%s"; _expand; printf "%%s\n" "$COMPREPLY"' % user,
+            want_output=True,
+        )
+        assert output.strip() == home
+
+    def test_user_home_cur(self, bash, user_home):
+        user, home = user_home
+        output = assert_bash_exec(
+            bash,
+            r'cur="~%s/a"; _expand; printf "%%s\n" "$cur"' % user,
+            want_output=True,
+        )
+        assert output.strip() == "%s/a" % home