1 files changed, 17 insertions, 9 deletions
diff --git a/spec/ruby/core/kernel/local_variables_spec.rb b/spec/ruby/core/kernel/local_variables_spec.rb
index 7e8b364b4f..40c343f7e4 100644
--- a/spec/ruby/core/kernel/local_variables_spec.rb
+++ b/spec/ruby/core/kernel/local_variables_spec.rb
@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Kernel#local_variables" do
   after :each do
@@ -7,14 +7,13 @@ describe "Kernel#local_variables" do
   end
 
   it "is a private method" do
-    Kernel.should have_private_instance_method(:local_variables)
+    Kernel.private_instance_methods(false).should.include?(:local_variables)
   end
 
   it "contains locals as they are added" do
     a = 1
     b = 2
-    local_variables.should include(:a, :b)
-    local_variables.length.should == 2
+    local_variables.sort.should == [:a, :b]
   end
 
   it "is accessible from bindings" do
@@ -25,13 +24,22 @@ describe "Kernel#local_variables" do
     end
     foo_binding = local_var_foo()
     res = eval("local_variables",foo_binding)
-    res.should include(:a, :b)
-    res.length.should == 2
+    res.sort.should == [:a, :b]
   end
 
   it "is accessible in eval" do
     eval "a=1; b=2; ScratchPad.record local_variables"
-    ScratchPad.recorded.should include(:a, :b)
-    ScratchPad.recorded.length.should == 2
+    ScratchPad.recorded.sort.should == [:a, :b]
+  end
+
+  it "includes only unique variable names" do
+    def local_var_method
+      a = 1
+      1.times do |;a|
+        return local_variables
+      end
+    end
+
+    local_var_method.should == [:a]
   end
 end