From 26bc517afe58e9dce7d32e816c0167427fa2bca5 Mon Sep 17 00:00:00 2001
From: Thomas Walpole <twalpole@gmail.com>
Date: Thu, 3 May 2018 14:19:03 -0700
Subject: [PATCH] Add a test to identify when JRuby fixes lazy enumeration

---
 spec/result_spec.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/spec/result_spec.rb b/spec/result_spec.rb
index 5aadc302..7ea7f8b1 100644
--- a/spec/result_spec.rb
+++ b/spec/result_spec.rb
@@ -143,4 +143,20 @@ RSpec.describe Capybara::Result do
       end
     end
   end
+
+  context 'lazy select', :focus_ do
+    it 'is compatible' do
+      # This test will let us know when JRuby fixes lazy select so we can re-enable it in Result
+      pending 'JRuby has an issue with lazy enumberator evaluation' if RUBY_PLATFORM == 'java'
+      eval_count = 0
+      enum = ["Text1", "Text2", "Text3"].lazy.select do |t|
+        eval_count += 1
+        true
+      end
+      expect(eval_count).to eq 0
+      enum.next
+      sleep 1
+      expect(eval_count).to eq 1
+    end
+  end
 end