From 000380c1e0a9ee38609b8e65b86d121fea9c5369 Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@seonic.net>
Date: Thu, 6 Dec 2012 12:32:16 +0100
Subject: [PATCH] Emit vcall mutation again

---
 .rspec                          |  2 --
 lib/mutant/mutator/call.rb      |  1 -
 spec/shared/mutator_behavior.rb | 10 ++++++----
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/.rspec b/.rspec
index f52ff3da..4e1e0d2f 100644
--- a/.rspec
+++ b/.rspec
@@ -1,3 +1 @@
 --color
---fail-fast
---backtrace
diff --git a/lib/mutant/mutator/call.rb b/lib/mutant/mutator/call.rb
index dc127eb6..43516151 100644
--- a/lib/mutant/mutator/call.rb
+++ b/lib/mutant/mutator/call.rb
@@ -67,7 +67,6 @@ module Mutant
       # @api private
       #
       def emit_implicit_self_receiver
-        return;
         # FIXME: Edge case that is currently not very well undestood
         return if name == :block_given?
         return unless self?
diff --git a/spec/shared/mutator_behavior.rb b/spec/shared/mutator_behavior.rb
index f6eacd30..429a73ef 100644
--- a/spec/shared/mutator_behavior.rb
+++ b/spec/shared/mutator_behavior.rb
@@ -26,11 +26,13 @@ shared_examples_for 'a mutator' do
     end
 
     it 'generates the expected mutations' do
-      subject = self.subject.map(&:to_sexp).to_set
+      generated = self.subject.map(&:to_sexp).to_set
 
-      unless subject == expected_mutations
-        message = "Missing mutations: %s\nUnexpected mutations: %s" %
-         [expected_mutations - subject, subject - expected_mutations ].map(&:to_a).map(&:inspect)
+      missing    = (expected_mutations - generated).to_a
+      unexpected = (generated - generated).to_a
+
+      unless generated == expected_mutations
+        message = "Missing mutations: %s\nUnexpected mutations: %s" % [missing, unexpected].map(&:inspect)
         fail message
       end
     end