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backend/node_modules/fastify/test/internals/promise.test.js

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+'use strict'
+
+const { test } = require('node:test')
+
+const { kTestInternals } = require('../../lib/symbols')
+const PonyPromise = require('../../lib/promise')
+
+test('withResolvers', async (t) => {
+  t.plan(3)
+  await t.test('resolve', async (t) => {
+    t.plan(1)
+    const { promise, resolve } = PonyPromise.withResolvers()
+    resolve(true)
+    t.assert.ok(await promise)
+  })
+  await t.test('reject', async (t) => {
+    t.plan(1)
+    const { promise, reject } = PonyPromise.withResolvers()
+    await t.assert.rejects(async () => {
+      reject(Error('reject'))
+      return promise
+    }, {
+      name: 'Error',
+      message: 'reject'
+    })
+  })
+  await t.test('thenable', async (t) => {
+    t.plan(1)
+    const { promise, resolve } = PonyPromise.withResolvers()
+    resolve(true)
+    promise.then((value) => {
+      t.assert.ok(value)
+    })
+  })
+})
+
+test('withResolvers - ponyfill', async (t) => {
+  await t.test('resolve', async (t) => {
+    t.plan(1)
+    const { promise, resolve } = PonyPromise[kTestInternals].withResolvers()
+    resolve(true)
+    t.assert.ok(await promise)
+  })
+  await t.test('reject', async (t) => {
+    t.plan(1)
+    const { promise, reject } = PonyPromise[kTestInternals].withResolvers()
+    await t.assert.rejects(async () => {
+      reject(Error('reject'))
+      return promise
+    }, {
+      name: 'Error',
+      message: 'reject'
+    })
+  })
+  await t.test('thenable', async (t) => {
+    t.plan(1)
+    const { promise, resolve } = PonyPromise.withResolvers()
+    resolve(true)
+    promise.then((value) => {
+      t.assert.ok(value)
+    })
+  })
+})