-IN: libc.tests\r
-USING: libc libc.private tools.test namespaces assocs\r
-destructors kernel ;\r
-\r
-100 malloc "block" set\r
-\r
-[ t ] [ "block" get malloc-exists? ] unit-test\r
-\r
-[ ] [ [ "block" get &free drop ] with-destructors ] unit-test\r
-\r
-[ f ] [ "block" get malloc-exists? ] unit-test\r
-
-[ "No error" ] [ 0 strerror ] unit-test
+IN: libc.tests
+USING: libc libc.private tools.test namespaces assocs system
+destructors kernel combinators ;
+
+100 malloc "block" set
+
+[ t ] [ "block" get malloc-exists? ] unit-test
+
+[ ] [ [ "block" get &free drop ] with-destructors ] unit-test
+
+[ f ] [ "block" get malloc-exists? ] unit-test
+
+[ "Operation not permitted" ] [ 1 strerror ] unit-test