1 files changed, 54 insertions, 0 deletions
diff --git a/js/vendor/es6-shim/test-sham/function.js b/js/vendor/es6-shim/test-sham/function.js
new file mode 100644
index 000000000..43d8459a2
--- /dev/null
+++ b/js/vendor/es6-shim/test-sham/function.js
@@ -0,0 +1,54 @@
+/* global describe, it, xit, expect, require, beforeEach, afterEach */
+
+describe('Function', function () {
+  describe('#name', function () {
+    it('returns the name for named functions', function () {
+      var foo = function bar() {};
+      expect(foo.name).to.equal('bar');
+
+      // pre-ES6, this property is nonconfigurable.
+      var configurable = Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(foo, 'name').configurable : false;
+
+      expect(foo).to.have.ownPropertyDescriptor('name', {
+        configurable: !!configurable,
+        enumerable: false,
+        writable: false,
+        value: 'bar'
+      });
+    });
+
+    it('returns empty string for anonymous functions', function () {
+      var anon = function () {};
+      expect(anon.name).to.equal('');
+
+      // pre-ES6, this property is nonconfigurable.
+      var configurable = Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(anon, 'name').configurable : false;
+
+      expect(anon).to.have.ownPropertyDescriptor('name', {
+        configurable: !!configurable,
+        enumerable: false,
+        writable: false,
+        value: ''
+      });
+    });
+
+    it('returns "anomymous" for Function functions', function () {
+      /* eslint no-new-func: 1 */
+      /* jshint evil: true */
+      var func = Function('');
+      /* jshint evil: false */
+      expect(typeof func.name).to.equal('string');
+      expect(func.name === 'anonymous' || func.name === '').to.equal(true);
+
+      // pre-ES6, this property is nonconfigurable.
+      var configurable = Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(func, 'name').configurable : false;
+
+      expect(func).to.have.ownPropertyDescriptor('name', {
+        configurable: !!configurable,
+        enumerable: false,
+        writable: false,
+        value: func.name
+      });
+    });
+  });
+});