test: add more test

test/core/test/execution-order.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, it } from 'vitest'
+
+let v = 0
+
+function bumpSync() {
+  v += 1
+}
+
+function bump() {
+  return new Promise<void>((resolve) => {
+    setTimeout(() => {
+      v += 1
+      resolve()
+    }, 1)
+  })
+}
+
+it('one', () => {
+  bumpSync()
+  expect(v).toBe(1)
+})
+
+it('two', async() => {
+  expect(v).toBe(1)
+  await bump()
+  expect(v).toBe(2)
+})
+
+describe('suite', () => {
+  it('three', () => {
+    bumpSync()
+    expect(v).toBe(3)
+  })
+
+  it('four', async() => {
+    expect(v).toBe(3)
+    await bump()
+    expect(v).toBe(4)
+  })
+
+  it('four', () => {
+    expect(v).toBe(4)
+  })
+
+  it('five', () => {
+    bumpSync()
+    expect(v).toBe(5)
+  })
+})