nodejs
diff --git a/Collapse file
‎benchmark/buffers/buffer_zero.js‎
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+18Lines changed: 18 additions & 0 deletions b/Collapse file
‎benchmark/buffers/buffer_zero.js‎
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+18Lines changed: 18 additions & 0 deletions
diff --git a/Collapse file
‎lib/buffer.js‎
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+4Lines changed: 4 additions & 0 deletions b/Collapse file
‎lib/buffer.js‎
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+4Lines changed: 4 additions & 0 deletions
@@ -0,0 +1,18 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [1024]
+});
+
+const zero = new Buffer(0);
+
+function main(conf) {
+  var n = +conf.n;
+  bench.start();
+  for (let i = 0; i < n * 1024; i++) {
+    new Buffer(zero);
+  }
+  bench.end(n);
+}
@@ -123,6 +123,10 @@ function fromString(string, encoding) {
 function fromObject(obj) {
   if (obj instanceof Buffer) {
     var b = allocate(obj.length);
+
+    if (b.length === 0)
+      return b;
+
     obj.copy(b, 0, 0, obj.length);
     return b;
   }