Update test.ts

Author: masx200

reverse-nodes-in-k-group/test.ts

@@ -1 +1,68 @@
-Deno.test("reverse-nodes-in-k-group", () => {});
+import { assertEquals } from "asserts";
+import reverseKGroup from "./index.ts";
+import { ArrayToListNode } from "../reverse-linked-list/ArrayToListNode.ts";
+Deno.test("reverse-nodes-in-k-group", () => {
+    const inputs: [number[], number][] = [[[1, 2, 3, 4, 5], 2], [[
+        1,
+        2,
+        3,
+        4,
+        5,
+    ], 3], [[
+        1,
+        2,
+        3,
+        4,
+        5,
+        1,
+        2,
+        3,
+        4,
+        5,
+        1,
+        2,
+        3,
+        4,
+        5,
+        1,
+        2,
+        3,
+        4,
+        5,
+        1,
+        2,
+        3,
+        4,
+        5,
+    ], 4]];
+    assertEquals(
+        inputs.map(([a, b]) => reverseKGroup(ArrayToListNode(a), b)),
+        [[2, 1, 4, 3, 5], [3, 2, 1, 4, 5], [
+            4,
+            3,
+            2,
+            1,
+            3,
+            2,
+            1,
+            5,
+            2,
+            1,
+            5,
+            4,
+            1,
+            5,
+            4,
+            3,
+            5,
+            4,
+            3,
+            2,
+            4,
+            3,
+            2,
+            1,
+            5,
+        ]].map(ArrayToListNode),
+    );
+});