add hw2

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

@@ -0,0 +1,37 @@
+'use strict'
+
+const test = require('tap').test
+const { createWarning } = require('..')
+
+test('emit should emit a given code unlimited times', t => {
+  t.plan(50)
+
+  let runs = 0
+  const expectedRun = []
+  const times = 10
+
+  process.on('warning', onWarning)
+  function onWarning (warning) {
+    t.equal(warning.name, 'TestDeprecation')
+    t.equal(warning.code, 'CODE')
+    t.equal(warning.message, 'Hello world')
+    t.ok(warn.emitted)
+    t.equal(runs++, expectedRun.shift())
+  }
+
+  const warn = createWarning({
+    name: 'TestDeprecation',
+    code: 'CODE',
+    message: 'Hello world',
+    unlimited: true
+  })
+
+  for (let i = 0; i < times; i++) {
+    expectedRun.push(i)
+    warn()
+  }
+  setImmediate(() => {
+    process.removeListener('warning', onWarning)
+    t.end()
+  })
+})