From 201b082627f7ce40e868f39f4f19d601276be997 Mon Sep 17 00:00:00 2001
From: Charlie Rudolph <charles.w.rudolph@gmail.com>
Date: Thu, 9 Mar 2017 17:21:24 -0800
Subject: [PATCH] parameter type: duplicate regex (#780)

---
 features/parameter_types.feature | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/features/parameter_types.feature b/features/parameter_types.feature
index a9b8cb315..a6240251d 100644
--- a/features/parameter_types.feature
+++ b/features/parameter_types.feature
@@ -133,3 +133,23 @@ Feature: Parameter types
       """
       transform error
       """
+
+  Scenario: duplicate capture group regex
+    Given a file named "features/support/my_parameter_types.js" with:
+      """
+      import {defineSupportCode} from 'cucumber'
+
+      defineSupportCode(({defineParameterType, When}) => {
+        defineParameterType({
+          regexp: /"[^"]+"/,
+          transformer: JSON.parse,
+          typeName: 'stringInDoubleQuotes2'
+        })
+      })
+      """
+    When I run cucumber.js with `-f progress`
+    Then the output contains the text:
+      """
+      There is already a parameter with regexp "[^"]+"
+      """
+    And it fails