1 files changed, 32 insertions, 0 deletions
diff --git a/tests/unit/params.js b/tests/unit/params.js
new file mode 100644
index 0000000..6ac4cc1
--- /dev/null
+++ b/tests/unit/params.js
@@ -0,0 +1,32 @@
+const JsUnit = imports.jsUnit;
+const Params = imports.misc.params;
+
+function assertParamsEqual(params, expected) {
+    for (let p in params) {
+        JsUnit.assertTrue(p in expected);
+        JsUnit.assertEquals(params[p], expected[p]);
+    }
+}
+
+let defaults = {
+    foo: 'This is a test',
+    bar: null,
+    baz: 42
+};
+
+assertParamsEqual(
+    Params.parse(null, defaults),
+    defaults);
+
+assertParamsEqual(
+    Params.parse({ bar: 23 }, defaults),
+    { foo: 'This is a test', bar: 23, baz: 42 });
+
+JsUnit.assertRaises(
+    () => {
+        Params.parse({ extraArg: 'quz' }, defaults);
+    });
+
+assertParamsEqual(
+    Params.parse({ extraArg: 'quz' }, defaults, true),
+    { foo: 'This is a test', bar: null, baz: 42, extraArg: 'quz' });