test: type check iterate function (#256)

alchemauss · Aug 6, 2024 · 295a3fc · 295a3fc
1 parent d73c418
commit 295a3fc
Showing 1 changed file with 19 additions and 7 deletions.
diff --git a/workspace/mauss/src/std/index.test.ts b/workspace/mauss/src/std/index.test.ts
@@ -1,10 +1,22 @@
-import { augment } from './index.js';
+import { augment, iterate } from './index.js';
 
-augment<{}>({});
+declare function expect<T>(v: T): void;
 
-// ---- errors ----
+(/* augment */) => {
+	augment<{}>({});
 
-// @ts-expect-error - error on empty argument
-augment();
-// @ts-expect-error - error on non-object type
-augment(null);
+	// ---- errors ----
+
+	// @ts-expect-error - error on empty argument
+	augment();
+	// @ts-expect-error - error on non-object type
+	augment(null);
+};
+
+(/* iterate */) => {
+	iterate({ a: 1, b: 2 }, ([k, v], i) => {
+		expect<'a' | 'b'>(k);
+		expect<number>(v);
+		expect<number>(i);
+	});
+};