Handle EPIPE better in exceptional edge cases

Fix #422

lib/tap.js

@@ -9,9 +9,9 @@ const _didPipe = Symbol('_didPipe')
 
 const monkeypatchEpipe = () => {
   const emit = process.stdout.emit
-  process.stdout.emit = (ev, er) => {
+  process.stdout.emit = function (ev, er) {
     if (ev !== 'error' || er.code !== 'EPIPE')
-      return emit.apply(process, arguments)
+      return emit.apply(process.stdout, arguments)
   }
 }
 

test/regression-many-asserts-epipe.js

@@ -0,0 +1,9 @@
+'use strict'
+// See https://github.com/tapjs/node-tap/issues/422
+const t = require('../')
+t.test('just a lot of asserts in rapid succession', t => {
+  for (let i = 0; i < 5000; i++) {
+    t.pass('a number is ' + i)
+  }
+  t.end()
+})