From 031085d1d9dd5a421913e1572bc06ea45da8ba03 Mon Sep 17 00:00:00 2001
From: Lucas Vieira <vieiralucas@users.noreply.github.com>
Date: Wed, 14 Sep 2016 22:34:39 -0300
Subject: [PATCH] Add toJSON to proxyExcludedKeys

---
 lib/chai/config.js    | 2 +-
 test/configuration.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/chai/config.js b/lib/chai/config.js
index 9c8be3cff..ca1e30a79 100644
--- a/lib/chai/config.js
+++ b/lib/chai/config.js
@@ -90,5 +90,5 @@ module.exports = {
    * @api public
    */
 
-  proxyExcludedKeys: ['then', 'inspect']
+  proxyExcludedKeys: ['then', 'inspect', 'toJSON']
 };
diff --git a/test/configuration.js b/test/configuration.js
index 5eef76c8e..d0399c4a4 100644
--- a/test/configuration.js
+++ b/test/configuration.js
@@ -206,8 +206,8 @@ describe('configuration', function () {
       }
     };
 
-    it('should have default value equal to `[\'then\', \'inspect\']`', function() {
-      expect(chai.config.proxyExcludedKeys).to.be.deep.equal(['then', 'inspect']);
+    it('should have default value equal to `[\'then\', \'inspect\', \'toJSON\']`', function() {
+      expect(chai.config.proxyExcludedKeys).to.be.deep.equal(['then', 'inspect', 'toJSON']);
     });
 
     it('should not throw when accessing non-existing `then` and `inspect` in an environment with proxy support', function() {