From 826e7fdcb372d04b789c36875fbf5718cd348afb Mon Sep 17 00:00:00 2001
From: Zixuan Chen <remch183@outlook.com>
Date: Mon, 20 Nov 2023 17:44:24 +0800
Subject: [PATCH] test: add import via frontiers test

---
 loro-js/tests/basic.test.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/loro-js/tests/basic.test.ts b/loro-js/tests/basic.test.ts
index fea7e0a0..0d20dcef 100644
--- a/loro-js/tests/basic.test.ts
+++ b/loro-js/tests/basic.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { ContainerID, Loro, LoroList, LoroMap, setPanicHook } from "../src";
+import { ContainerID, Loro, LoroList, LoroMap, setPanicHook, toEncodedVersion } from "../src";
 
 setPanicHook();
 
@@ -130,6 +130,18 @@ describe("import", () => {
     expect(a.getText("text").toString()).toBe("abc");
   });
 
+  it("import by frontiers", () => {
+    const a = new Loro();
+    a.getText("text").insert(0, "a");
+    const b = new Loro();
+    b.import(a.exportFrom());
+    b.getText("text").insert(1, "b");
+    b.getList("list").insert(0, [1, 2]);
+    const updates = b.exportFrom(toEncodedVersion(b.frontiersToVV(a.frontiers())));
+    a.import(updates);
+    expect(a.toJson()).toStrictEqual(b.toJson());
+  });
+
   it("from snapshot", () => {
     const a = new Loro();
     a.getText("text").insert(0, "hello");