From 4a805ea666e96281375dd62ad5c2c088091387bd Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Thu, 4 Feb 2016 23:59:38 -0800
Subject: [PATCH] Add `_.isArrayBuffer` and `_.isBuffer`.

---
 lodash.js    | 23 +++++++++++++++++++++++
 test/test.js |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index e4d5a4cf2..fe05953ec 100644
--- a/lodash.js
+++ b/lodash.js
@@ -9444,6 +9444,27 @@
      */
     var isArray = Array.isArray;
 
+    /**
+     * Checks if `value` is classified as an `ArrayBuffer` object.
+     *
+     * @static
+     * @memberOf _
+     * @type Function
+     * @category Lang
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+     * @example
+     *
+     * _.isArrayBuffer(new ArrayBuffer(2));
+     * // => true
+     *
+     * _.isArrayBuffer(new Array(2));
+     * // => false
+     */
+    function isArrayBuffer(value) {
+      return isObjectLike(value) && objectToString.call(value) == arrayBufferTag;
+    }
+
     /**
      * Checks if `value` is array-like. A value is considered array-like if it's
      * not a function and has a `value.length` that's an integer greater than or
@@ -14250,9 +14271,11 @@
     lodash.invoke = invoke;
     lodash.isArguments = isArguments;
     lodash.isArray = isArray;
+    lodash.isArrayBuffer = isArrayBuffer;
     lodash.isArrayLike = isArrayLike;
     lodash.isArrayLikeObject = isArrayLikeObject;
     lodash.isBoolean = isBoolean;
+    lodash.isBuffer = isBuffer;
     lodash.isDate = isDate;
     lodash.isElement = isElement;
     lodash.isEmpty = isEmpty;
diff --git a/test/test.js b/test/test.js
index 79fc83e26..4c12856f3 100644
--- a/test/test.js
+++ b/test/test.js
@@ -23623,7 +23623,7 @@
     var acceptFalsey = lodashStable.difference(allMethods, rejectFalsey);
 
     QUnit.test('should accept falsey arguments', function(assert) {
-      assert.expect(289);
+      assert.expect(291);
 
       var emptyArrays = lodashStable.map(falsey, alwaysEmptyArray);