Added failing Range#bsearch specs

These are taken from the ones mentioned by @heftig in #3458.
rubinius · Jul 24, 2015 · 9aa7833 · 9aa7833
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diff --git a/spec/ruby/core/range/bsearch_spec.rb b/spec/ruby/core/range/bsearch_spec.rb
@@ -45,6 +45,11 @@
         (0..4).bsearch { |x| x >= 2 }.should == 2
         (-1..4).bsearch { |x| x >= 1 }.should == 1
       end
+
+      it "returns the last element if the block returns true for the last element" do
+        (0..4).bsearch { |x| x >= 4 }.should == 4
+        (0...4).bsearch { |x| x >= 3 }.should == 3
+      end
     end
 
     context "with a block returning negative, zero, positive numbers" do

diff --git a/spec/tags/ruby/core/range/bsearch_tags.txt b/spec/tags/ruby/core/range/bsearch_tags.txt
@@ -0,0 +1 @@
+fails:Range#bsearch with Integer values with a block returning true or false returns the last element if the block returns true for the last element