Formalize tests for built-in Promise methods

Uniformly and exhaustively test the generic aspects of the static- and
instance Promise methods, including:

- function `length` properties
- function `name` properties
- method property descriptors

1 files changed, 19 insertions, 0 deletions

diff --git a/test/built-ins/Promise/race/prop-desc.js b/test/built-ins/Promise/race/prop-desc.js
new file mode 100644
index 000000000..1090fba61
--- /dev/null
+++ b/test/built-ins/Promise/race/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright 2015 Jordan Harband.  All rights reserved.
+// See LICENSE for details.
+
+/*---
+es6id: 25.4.4.3_A1.2_T1
+author: Jordan Harband
+description: Promise.race property descriptor
+info: >
+    ES6 Section 17
+
+    Every other data property described in clauses 18 through 26 and in Annex
+    B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+    [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Promise, 'race');
+verifyWritable(Promise, 'race');
+verifyConfigurable(Promise, 'race');