make tests work on old versions of node

Author: Michael Hayes

jsonparse.js

@@ -48,7 +48,7 @@ function Parser() {
   this.value = undefined;
 
   this.string = undefined; // string data
-  this.stringBuffer = Buffer.alloc(STRING_BUFFER_SIZE);
+  this.stringBuffer = Buffer.alloc ? Buffer.alloc(STRING_BUFFER_SIZE) : new Buffer(STRING_BUFFER_SIZE);
   this.stringBufferOffset = 0;
   this.unicode = undefined; // unicode escapes
 

test/big-token.js

@@ -3,43 +3,22 @@ var JsonParse = require('../jsonparse');
 var test = require('tape');
 
 test('can handle large tokens without running out of memory', function (t) {
-  var size = 1024 * 1024 * 200; // 200mb
-  t.plan(1);
-  largeJsonStream(size).pipe(parseStream(function (type, value) {
-    t.equal(value.length, size, 'token should be size of input json');
-    t.end();
-  }));
-});
-
-function largeJsonStream (size, options) {
-  var jsonStrream = new stream.Readable(options);
-  var sent = 0;
-
-  jsonStrream.push('"');
-
-  jsonStrream._read = function (readSize) {
-    var bytesToSend = Math.min(readSize, size - sent);
-    jsonStrream.push(Buffer.alloc(bytesToSend, 'a'));
-    sent += bytesToSend;
-    if (sent >= size) {
-      jsonStrream.push('"');
-      jsonStrream.push(null);
-    }
-  };
-
-  return jsonStrream;
-}
-
-function parseStream (onToken, options) {
-  var parseStream = new stream.Writable(options);
   var parser = new JsonParse();
+  var chunkSize = 1024
+  var chunks = 1024 * 200; // 200mb
+  var quote = Buffer.from ? Buffer.from('"') : new Buffer('"');
+  t.plan(1);
 
-  parser.onToken = onToken;
-
-  parseStream._write = function (chunk, encoding, cb) {
-    parser.write(chunk);
-    cb();
+  parser.onToken = function (type, value) {
+    t.equal(value.length, chunkSize * chunks, 'token should be size of input json');
+    t.end();
   };
 
-  return parseStream;
-}
+  parser.write(quote);
+  for (var i = 0; i < chunks; ++i) {
+    var buf = Buffer.alloc ? Buffer.alloc(chunkSize) : new Buffer(chunkSize);
+    buf.fill('a');
+    parser.write(buf);
+  }
+  parser.write(quote);
+});