1 files changed, 42 insertions, 0 deletions
diff --git a/node_modules/buffer/test/node/test-buffer-inheritance.js b/node_modules/buffer/test/node/test-buffer-inheritance.js
new file mode 100644
index 0000000..711d9f2
--- /dev/null
+++ b/node_modules/buffer/test/node/test-buffer-inheritance.js
@@ -0,0 +1,42 @@
+'use strict';
+var Buffer = require('../../').Buffer;
+
+
+
+var assert = require('assert');
+
+
+function T(n) {
+  var ui8 = new Uint8Array(n);
+  Object.setPrototypeOf(ui8, T.prototype);
+  return ui8;
+}
+Object.setPrototypeOf(T.prototype, Buffer.prototype);
+Object.setPrototypeOf(T, Buffer);
+
+T.prototype.sum = function sum() {
+  var cntr = 0;
+  for (var i = 0; i < this.length; i++)
+    cntr += this[i];
+  return cntr;
+};
+
+
+var vals = [new T(4), T(4)];
+
+vals.forEach(function(t) {
+  assert.equal(t.constructor, T);
+  assert.equal(Object.getPrototypeOf(t), T.prototype);
+  assert.equal(Object.getPrototypeOf(Object.getPrototypeOf(t)),
+    Buffer.prototype);
+
+  t.fill(5);
+  var cntr = 0;
+  for (var i = 0; i < t.length; i++)
+    cntr += t[i];
+  assert.equal(t.length * 5, cntr);
+
+  // Check this does not throw
+  t.toString();
+});
+