1 files changed, 19 insertions, 0 deletions
diff --git a/flags/tests/dotted.ts b/flags/tests/dotted.ts
new file mode 100755
index 000000000..aea03dd7c
--- /dev/null
+++ b/flags/tests/dotted.ts
@@ -0,0 +1,19 @@
+import { test, assertEqual } from "https://deno.land/x/testing/testing.ts";
+import parseArgs from "../index.ts";
+
+test(function dottedAlias() {
+    const argv = parseArgs(['--a.b', '22'], {default: {'a.b': 11}, alias: {'a.b': 'aa.bb'}});
+    assertEqual(argv.a.b, 22);
+    assertEqual(argv.aa.bb, 22);
+});
+
+test(function dottedDefault() {
+    const argv = parseArgs('', {default: {'a.b': 11}, alias: {'a.b': 'aa.bb'}});
+    assertEqual(argv.a.b, 11);
+    assertEqual(argv.aa.bb, 11);
+});
+
+test(function dottedDefaultWithNoAlias() {
+    const argv = parseArgs('', {default: {'a.b': 11}});
+    assertEqual(argv.a.b, 11);
+});