feat(Struct)

test/ConstArray.test.js

@@ -0,0 +1,34 @@
+import { describe, expect, test } from "vitest";
+import { ConstArray, parse, serialize, sizeof, sizeofHead } from "../src";
+import { filledDataView, sizedDataView } from ".";
+
+describe(ConstArray.name, () => {
+  test('serialize, Number', () => {
+    const expected = filledDataView([
+      0x3F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    ])
+    let dv = sizedDataView(15)
+    expect(() => serialize(dv, [1, 2], ConstArray(2), Number)).toThrow()
+
+    dv = sizedDataView(sizeof(ConstArray(2), Number))
+    expect(16).toEqual(dv.byteLength)
+
+    serialize(dv, [1, 2], ConstArray(2), Number)
+    expect(dv).toEqual(expected)
+  })
+
+  test('parse, Number', () => {
+    const expected = [1, 2]
+    const dv = filledDataView([
+      0x3F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    ])
+    const actual = parse(dv, ConstArray(2), Number)
+    expect(actual).toEqual(expected)
+  })
+
+  test('sizeof', () => {
+    expect(sizeofHead(ConstArray(2), Number)).toEqual(16)
+  })
+})