1 files changed, 36 insertions, 0 deletions
diff --git a/src/util/codec-test.ts b/src/util/codec-test.ts
new file mode 100644
index 000000000..d7edd545f
--- /dev/null
+++ b/src/util/codec-test.ts
@@ -0,0 +1,36 @@
+/*
+ This file is part of GNU Taler
+ (C) 2018-2019 GNUnet e.V.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Type-safe codecs for converting from/to JSON.
+ */
+
+import test from "ava";
+import { stringCodec, objectCodec } from "./codec";
+
+interface MyObj {
+  foo: string;
+}
+
+test("basic codec", (t) => {
+  const myObjCodec = objectCodec<MyObj>().property("foo", stringCodec).build("MyObj");
+  const res = myObjCodec.decode({ foo: "hello" });
+  t.assert(res.foo === "hello");
+
+  t.throws(() => {
+    const res2 = myObjCodec.decode({ foo: 123 });
+  });
+});