--- /dev/null
+USING: io.directories io.directories.hierarchy kernel
+sequences tools.test ;
+IN: io.directories.hierarchy.tests
+
+[ { "classes/tuple/tuple.factor" } ] [
+ "resource:core" [
+ "." directory-tree-files [ "classes/tuple/tuple.factor" = ] filter
+ ] with-directory
+] unit-test
+
+[ { "classes/tuple" } ] [
+ "resource:core" [
+ "." directory-tree-files [ "classes/tuple" = ] filter
+ ] with-directory
+] unit-test
+
+[ { "classes/tuple/tuple.factor" } ] [
+ "resource:core" [
+ [ "classes/tuple/tuple.factor" = ] filter
+ ] with-directory-tree-files
+] unit-test