add hw2

node_modules/process-warning/test/emit-set.test.js

@@ -0,0 +1,30 @@
+'use strict'
+
+const test = require('tap').test
+const { createWarning } = require('../')
+
+test('emit should set the emitted state', t => {
+  t.plan(3)
+
+  process.on('warning', onWarning)
+  function onWarning () {
+    t.fail('should not be called')
+  }
+
+  const warn = createWarning({
+    name: 'TestDeprecation',
+    code: 'CODE',
+    message: 'Hello world'
+  })
+  t.notOk(warn.emitted)
+  warn.emitted = true
+  t.ok(warn.emitted)
+
+  warn()
+  t.ok(warn.emitted)
+
+  setImmediate(() => {
+    process.removeListener('warning', onWarning)
+    t.end()
+  })
+})