add example to createDocFromSnapshot - #159

tests/snapshot.tests.js

@@ -2,6 +2,18 @@ import * as Y from '../src/index.js'
 import * as t from 'lib0/testing'
 import { init } from './testHelper.js'
 
+/**
+ * @param {t.TestCase} tc
+ */
+export const testBasic = tc => {
+  const ydoc = new Y.Doc({ gc: false })
+  ydoc.getText().insert(0, 'world!')
+  const snapshot = Y.snapshot(ydoc)
+  ydoc.getText().insert(0, 'hello ')
+  const restored = Y.createDocFromSnapshot(ydoc, snapshot)
+  t.assert(restored.getText().toString() === 'world!')
+}
+
 /**
  * @param {t.TestCase} tc
  */