1 files changed, 42 insertions, 0 deletions
diff --git a/test/t/unit/test_unit_tilde.py b/test/t/unit/test_unit_tilde.py
new file mode 100644
index 00000000..35a4e4c6
--- /dev/null
+++ b/test/t/unit/test_unit_tilde.py
@@ -0,0 +1,42 @@
+import pytest
+
+from conftest import assert_bash_exec
+
+
+@pytest.mark.bashcomp(cmd=None, ignore_env=r"^\+COMPREPLY=")
+class TestUnitTilde:
+    def test_1(self, bash):
+        assert_bash_exec(bash, "_tilde >/dev/null")
+
+    def test_2(self, bash):
+        """Test environment non-pollution, detected at teardown."""
+        assert_bash_exec(
+            bash, 'foo() { local aa="~"; _tilde "$aa"; }; foo; unset foo'
+        )
+
+    def test_3(self, bash):
+        """Test for https://bugs.debian.org/766163"""
+        assert_bash_exec(bash, "_tilde ~-o")
+
+    def _test_part_full(self, bash, part, full):
+        res = (
+            assert_bash_exec(
+                bash,
+                '_tilde "~%s"; echo "${COMPREPLY[@]}"' % part,
+                want_output=True,
+            )
+            .strip()
+            .split()
+        )
+        assert res
+        assert res[0] == "~%s" % full
+
+    def test_4(self, bash, part_full_user):
+        """~full should complete to ~full unmodified."""
+        _, full = part_full_user
+        self._test_part_full(bash, full, full)
+
+    def test_5(self, bash, part_full_user):
+        """~part should complete to ~full."""
+        part, full = part_full_user
+        self._test_part_full(bash, part, full)