From fa16966f9141e9d8cd14ebf8c7d63cdd722e652d Mon Sep 17 00:00:00 2001
From: Michael Nahkies <michael@nahkies.co.nz>
Date: Wed, 27 Jan 2016 18:06:22 +1300
Subject: [PATCH] add failing test that shows the issue

---
 test/unit/utils-tests.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/unit/utils-tests.js b/test/unit/utils-tests.js
index 116dfdd1..b0e3e91f 100644
--- a/test/unit/utils-tests.js
+++ b/test/unit/utils-tests.js
@@ -171,3 +171,14 @@ test('prepareValue: objects with circular toPostgres rejected', function() {
   }
   throw new Error("Expected prepareValue to throw exception");
 });
+
+test('prepareValue: can safely be used to map an array of values including those with toPostgres functions', function() {
+  var customType = {
+    toPostgres: function() {
+      return "zomgcustom!";
+    }
+  };
+  var values = [1, "test", customType]
+  var out = values.map(utils.prepareValue)
+  assert.deepEqual(out, [1, "test", "zomgcustom!"])
+})