feat(README, filledDataView, sizedDataView)

test/index.test.js

@@ -1,6 +1,38 @@
 import { describe, test, expect } from 'vitest'
-import { expectDataViewEqual, filledDataView, sizedDataView } from '.'
-import { isHeadless, parse, serialize, sizeof, sizeofHead } from '../src'
+import { expectDataViewEqual } from '.'
+import { filledDataView, sizedDataView } from '../src'
+import { Int, isHeadless, parse, serialize, sizeof, sizeofHead, Struct } from '../src'
+
+describe('README', () => {
+  test('header', () => {
+    const User = Struct({
+        id: Int(32, 'unsigned'),
+        name: String,
+        age: Number,
+        array: [Array, Boolean],
+        raw_data: DataView,  
+    })
+
+    const user = {
+        id: 1,
+        name: 'john',
+        age: 20,
+        array: [true, false],
+        raw_data: filledDataView([0x00, 0x00, 0x00, 0xFF]),
+    }
+
+    const dv = sizedDataView(sizeof(user, User))
+    serialize(dv, user, User)
+
+    const user_copy = parse(dv, User)
+
+    expect(user_copy).toEqual(user)
+    expectDataViewEqual(user_copy.raw_data, user.raw_data)
+  })
+  test('unknown sizeof', () => {
+    expect(() => sizeof(Array, Boolean)).toThrowError('unknown size of Array,Boolean')
+  })
+})
 
 describe('serialize', () => {
   test('Boolean', () => {