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Author: killagu

lib/_stream_readable.js

@@ -327,7 +327,7 @@ Readable.prototype.setEncoding = function(enc) {
  if (!StringDecoder)
  StringDecoder = require('string_decoder').StringDecoder;
  this._readableState.decoder = new StringDecoder(enc);
- // if setEncoding(null), decoder.encoding = 'utf8'
+ // if setEncoding(null), decoder.encoding equals utf8
  this._readableState.encoding = this._readableState.decoder.encoding;
  return this;
 };

test/parallel/test-stream-readable-setEncoding-null.js

@@ -0,0 +1,15 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const { Readable } = require('stream');
+
+
+{
+ const readable = new Readable({ encoding: 'hex' });
+ assert.strictEqual(readable._readableState.encoding, 'hex');
+
+ readable.setEncoding(null);
+
+ assert.strictEqual(readable._readableState.encoding, 'utf8');
+}