Update test.ts

Author: masx200

implement-trie-prefix-tree/test.ts

@@ -7,6 +7,8 @@ Deno.test("implement-trie-prefix-tree-1", () => {
     assertEquals(true, trie.startsWith("app")); // 返回 True
     trie.insert("app");
     assertEquals(true, trie.search("app"));
+    assertEquals(true, trie.startsWith("ap")); // 返回 True
+    assertEquals(true, trie.startsWith("app")); // 返回 True
 });
 import { assertEquals } from "../deps.ts";
 import Trie2 from "./Trie.ts";
@@ -18,4 +20,6 @@ Deno.test("implement-trie-prefix-tree-2", () => {
     assertEquals(true, trie.startsWith("app")); // 返回 True
     trie.insert("app");
     assertEquals(true, trie.search("app"));
+    assertEquals(true, trie.startsWith("ap")); // 返回 True
+    assertEquals(true, trie.startsWith("app")); // 返回 True
 });