stream: noop pause/resume on destroyed streams · nodejs/node@29b1966

Original file line number	Diff line number	Diff line change
`@@ -1233,6 +1233,9 @@ function nReadingNextTick(self) {`
`1233`	`1233`	`// If the user uses them, then switch into old mode.`
`1234`	`1234`	`Readable.prototype.resume = function() {`
`1235`	`1235`	`const state = this._readableState;`
	`1236`	`+if ((state[kState] & kDestroyed) !== 0) {`
	`1237`	`+return this;`
	`1238`	`+}`
`1236`	`1239`	`if ((state[kState] & kFlowing) === 0) {`
`1237`	`1240`	`debug('resume');`
`1238`	`1241`	`// We flow only if there is no one listening`
`@@ -1273,6 +1276,9 @@ function resume_(stream, state) {`
`1273`	`1276`
`1274`	`1277`	`Readable.prototype.pause = function() {`
`1275`	`1278`	`const state = this._readableState;`
	`1279`	`+if ((state[kState] & kDestroyed) !== 0) {`
	`1280`	`+return this;`
	`1281`	`+}`
`1276`	`1282`	`debug('call pause');`
`1277`	`1283`	`if ((state[kState] & (kHasFlowing \| kFlowing)) !== kHasFlowing) {`
`1278`	`1284`	`debug('pause');`

Original file line number	Diff line number	Diff line change
`@@ -118,3 +118,13 @@ const http = require('http');`
`118`	`118`	`req.end('asd');`
`119`	`119`	`}));`
`120`	`120`	`}`
	`121`	`+`
	`122`	`+{`
	`123`	`+// resume() and pause() should be no-ops on destroyed streams.`
	`124`	`+const r = new Readable({ read() {} });`
	`125`	`+r.destroy();`
	`126`	`+r.on('resume', common.mustNotCall());`
	`127`	`+r.on('pause', common.mustNotCall());`
	`128`	`+r.resume();`
	`129`	`+r.pause();`
	`130`	`+}`