add hw2

node_modules/thread-stream/test/bench.test.js

@@ -0,0 +1,38 @@
+'use strict'
+
+const { test } = require('tap')
+const { join } = require('path')
+const ThreadStream = require('..')
+const { file } = require('./helper')
+
+const MAX = 1000
+
+let str = ''
+
+for (let i = 0; i < 10; i++) {
+  str += 'hello'
+}
+
+test('base', function (t) {
+  const dest = file()
+  const stream = new ThreadStream({
+    filename: join(__dirname, 'to-file.js'),
+    workerData: { dest }
+  })
+  let runs = 0
+  function benchThreadStream () {
+    if (++runs === 1000) {
+      stream.end()
+      return
+    }
+
+    for (let i = 0; i < MAX; i++) {
+      stream.write(str)
+    }
+    setImmediate(benchThreadStream)
+  }
+  benchThreadStream()
+  stream.on('finish', function () {
+    t.end()
+  })
+})