fix: [fixup] test cases

Author: akinomyoga

test/fixtures/make/test2/Makefile

@@ -5,3 +5,19 @@ all: abc/xyz
 abc/xyz 123/xaa 123/xbb:
 	mkdir -p $(@:/%=)
 	date > $@
+
+sub1test/bar/alpha sub1test/bar/beta:
+	mkdir -p $(@:/%=)
+	date > $@
+
+sub2test/bar/alpha:
+	mkdir -p $(@:/%=)
+	date > $@
+
+sub3test/bar/alpha sub3test/foo/alpha:
+	mkdir -p $(@:/%=)
+	date > $@
+
+sub4test/bar/alpha sub4test/bar/beta sub4test2/foo/gamma:
+	mkdir -p $(@:/%=)
+	date > $@

test/t/test_make.py

@@ -66,3 +66,19 @@ def test_github_issue_544_3(self, bash):
     def test_github_issue_544_4(self, bash):
         completion = assert_complete(bash, "make 123/xa")
         assert completion == "a"
+
+    def test_subdir_1(self, bash):
+        completion = assert_complete(bash, "make sub1")
+        assert completion == "test/bar/"
+
+    def test_subdir_2(self, bash):
+        completion = assert_complete(bash, "make sub2")
+        assert completion == "test/bar/alpha"
+
+    def test_subdir_3(self, bash):
+        completion = assert_complete(bash, "make sub3")
+        assert completion == "test/"
+
+    def test_subdir_4(self, bash):
+        completion = assert_complete(bash, "make sub4")
+        assert completion == "sub4test/bar/ sub4test2/foo/gamma".split()