feat(_filedir): add tests with _comp_compgen -C

Co-authored-by: Koichi Murase <myoga.murase@gmail.com>

Author: scop

test/t/unit/test_unit_filedir.py

@@ -24,11 +24,22 @@ def functions(self, request, bash):
             "_g() { local cur;_comp_get_words cur; unset -v COMPREPLY; _comp_compgen_filedir e1; }; "
             "complete -F _g g",
         )
+        assert_bash_exec(
+            bash,
+            "_fc() { local cur=$(_get_cword); unset -v COMPREPLY; _comp_compgen -C _filedir filedir; }; "
+            "complete -F _fc fc; "
+            "complete -F _fc -o filenames fc2",
+        )
         assert_bash_exec(
             bash,
             "_fd() { local cur;_comp_get_words cur; unset -v COMPREPLY; _comp_compgen_filedir -d; };"
             "complete -F _fd fd",
         )
+        assert_bash_exec(
+            bash,
+            "_fcd() { local cur=$(_get_cword); unset -v COMPREPLY; _comp_compgen -C _filedir filedir -d; };"
+            "complete -F _fcd fcd",
+        )
 
     @pytest.fixture(scope="class")
     def non_windows_testdir(self, request, bash):
@@ -66,6 +77,11 @@ def test_2(self, bash, functions, funcname):
         completion = assert_complete(bash, "%s ab/" % funcname, cwd="_filedir")
         assert completion == "e"
 
+    @pytest.mark.parametrize("funcname", "fc fc2".split())
+    def test_2C(self, bash, functions, funcname):
+        completion = assert_complete(bash, "%s _filedir ab/" % funcname)
+        assert completion == "e"
+
     @pytest.mark.parametrize("funcname", "f f2".split())
     def test_3(self, bash, functions, funcname):
         completion = assert_complete(
@@ -154,6 +170,10 @@ def test_14(self, bash, functions, funcname):
     def test_15(self, functions, completion):
         assert completion == "b/"
 
+    @pytest.mark.complete(r"fcd a\ ")
+    def test_15d(self, functions, completion):
+        assert completion == "b/"
+
     @pytest.mark.complete("g ", cwd="_filedir/ext")
     def test_16(self, functions, completion):
         assert completion == sorted("ee.e1 foo/ gg.e1 ii.E1".split())