-USING: arrays generic kernel math models namespaces sequences assocs\r
-tools.test models.history accessors ;\r
-IN: models.history.tests\r
-\r
-f <history> "history" set\r
-\r
-"history" get add-history\r
-\r
-[ t ] [ "history" get back>> empty? ] unit-test\r
-[ t ] [ "history" get forward>> empty? ] unit-test\r
-\r
-"history" get add-history\r
-3 "history" get set-model\r
-\r
-[ t ] [ "history" get back>> empty? ] unit-test\r
-[ t ] [ "history" get forward>> empty? ] unit-test\r
-\r
-"history" get add-history\r
-4 "history" get set-model\r
-\r
-[ f ] [ "history" get back>> empty? ] unit-test\r
-[ t ] [ "history" get forward>> empty? ] unit-test\r
-\r
-"history" get go-back\r
-\r
-[ 3 ] [ "history" get value>> ] unit-test\r
-\r
-[ t ] [ "history" get back>> empty? ] unit-test\r
-[ f ] [ "history" get forward>> empty? ] unit-test\r
-\r
-"history" get go-forward\r
-\r
-[ 4 ] [ "history" get value>> ] unit-test\r
-\r
-[ f ] [ "history" get back>> empty? ] unit-test\r
-[ t ] [ "history" get forward>> empty? ] unit-test\r
-\r
+USING: arrays generic kernel math models namespaces sequences assocs
+tools.test models.history accessors ;
+IN: models.history.tests
+
+f <history> "history" set
+
+"history" get add-history
+
+[ t ] [ "history" get back>> empty? ] unit-test
+[ t ] [ "history" get forward>> empty? ] unit-test
+
+"history" get add-history
+3 "history" get set-model
+
+[ t ] [ "history" get back>> empty? ] unit-test
+[ t ] [ "history" get forward>> empty? ] unit-test
+
+"history" get add-history
+4 "history" get set-model
+
+[ f ] [ "history" get back>> empty? ] unit-test
+[ t ] [ "history" get forward>> empty? ] unit-test
+
+"history" get go-back
+
+[ 3 ] [ "history" get value>> ] unit-test
+
+[ t ] [ "history" get back>> empty? ] unit-test
+[ f ] [ "history" get forward>> empty? ] unit-test
+
+"history" get go-forward
+
+[ 4 ] [ "history" get value>> ] unit-test
+
+[ f ] [ "history" get back>> empty? ] unit-test
+[ t ] [ "history" get forward>> empty? ] unit-test
+