rmeta-slot: New module for recursive meta-slot access.

[8sync.git] / tests / test-rmeta-slot.scm

diff --git a/tests/test-rmeta-slot.scm b/tests/test-rmeta-slot.scm
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+;;; 8sync --- Asynchronous programming for Guile
+;;; Copyright (C) 2017 Christopher Allan Webber <cwebber@dustycloud.org>
+;;;
+;;; This file is part of 8sync.
+;;;
+;;; 8sync is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation, either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; 8sync is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with 8sync.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (tests test-rmeta-slot)
+  #:use-module (srfi srfi-64)
+  #:use-module (8sync rmeta-slot)
+  #:use-module (oop goops)
+  #:use-module (tests utils))
+
+(test-begin "test-rmeta-slot")
+
+;; Define a class
+(define-class <kah-lassy> ()
+  (entries #:allocation #:each-subclass
+           #:init-value
+           (make-rmeta-slot
+            `((foo . "bar")
+              (baz . "basil")))))
+
+(test-equal "bar"
+    (class-rmeta-ref <kah-lassy> 'entries 'foo))
+(test-equal "basil"
+    (class-rmeta-ref <kah-lassy> 'entries 'baz))
+
+;; Define a subclass
+
+(define-class <sub-lassy> (<kah-lassy>)
+  (entries #:allocation #:each-subclass
+           #:init-value
+           (make-rmeta-slot
+            `((foo . "foo2")
+              (peanut . "gallery")))))
+
+;; Access values, and inheritance is preserved
+(test-equal "foo2"
+  (class-rmeta-ref <sub-lassy> 'entries 'foo))
+(test-equal "gallery"
+  (class-rmeta-ref <sub-lassy> 'entries 'peanut))
+(test-equal "basil"
+  (class-rmeta-ref <sub-lassy> 'entries 'baz))
+
+;; Not defined
+(test-equal #f
+  (class-rmeta-ref <sub-lassy> 'entries 'not-defined))
+;; Not defined, with default
+(test-equal "no-way"
+  (class-rmeta-ref <sub-lassy> 'entries 'not-defined
+                   #:dflt "no-way"))
+
+(test-end "test-rmeta-slot")
+(test-exit)