From 790d6331f8f3313730286be83fc00da449210e02 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Tue, 25 Aug 2015 23:12:12 -0700
Subject: [PATCH] Remove `fromIndex` type check from `_.includes`.

---
 lodash.js    |  2 +-
 test/test.js | 10 ++++------
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/lodash.js b/lodash.js
index 22824aa5b..848161a5f 100644
--- a/lodash.js
+++ b/lodash.js
@@ -6117,7 +6117,7 @@
     function includes(collection, target, fromIndex, guard) {
       collection = isArrayLike(collection) ? collection : values(collection);
       var length = collection.length;
-      if (guard || typeof fromIndex != 'number') {
+      if (guard || !fromIndex) {
         fromIndex = 0;
       } else {
         fromIndex = toInteger(fromIndex);
diff --git a/test/test.js b/test/test.js
index 7ffca4a66..15f08d341 100644
--- a/test/test.js
+++ b/test/test.js
@@ -5572,8 +5572,10 @@
         deepEqual(actual, expected);
       });
 
-      test('should work with ' + key + ' and treat non-number `fromIndex` values as `0`', 1, function() {
-        strictEqual(_.includes(collection, values[0], '1'), true);
+      test('should work with ' + key + ' and coerce non-integer `fromIndex` values to integers', 3, function() {
+        strictEqual(_.includes(collection, values[0], '1'), false);
+        strictEqual(_.includes(collection, values[0], 0.1), true);
+        strictEqual(_.includes(collection, values[0], NaN), true);
       });
 
       test('should work with ' + key + ' and a negative `fromIndex`', 2, function() {
@@ -5633,10 +5635,6 @@
       deepEqual(actual, expected);
     });
 
-    test('should not be possible to perform a binary search', 1, function() {
-      strictEqual(_.includes([3, 2, 1], 3, true), true);
-    });
-
     test('should match `NaN`', 1, function() {
       strictEqual(_.includes([1, NaN, 3], NaN), true);
     });