diff --git a/core/range/cover_spec.rb b/core/range/cover_spec.rb
index fa881607e9..a291458bf2 100644
--- a/core/range/cover_spec.rb
+++ b/core/range/cover_spec.rb
@@ -7,4 +7,8 @@
   it_behaves_like :range_cover_and_include, :cover?
   it_behaves_like :range_cover, :cover?
   it_behaves_like :range_cover_subrange, :cover?
+
+  it "does lax unicode match" do
+    ("\u{999}".."\u{9999}").cover?("\u{9995}").should be_true
+  end
 end
diff --git a/core/range/include_spec.rb b/core/range/include_spec.rb
index b2c7a54545..c33f810c14 100644
--- a/core/range/include_spec.rb
+++ b/core/range/include_spec.rb
@@ -7,4 +7,8 @@
 describe "Range#include?" do
   it_behaves_like :range_cover_and_include, :include?
   it_behaves_like :range_include, :include?
+
+  it "does strict unicode match" do
+    ("\u{999}".."\u{9999}").include?("\u{9995}").should be_false
+  end
 end
diff --git a/core/range/shared/cover_and_include.rb b/core/range/shared/cover_and_include.rb
index 7028afaa89..f36a2cef8b 100644
--- a/core/range/shared/cover_and_include.rb
+++ b/core/range/shared/cover_and_include.rb
@@ -57,7 +57,6 @@
   it "returns true if argument is less than the last value of the range and greater than the first value" do
     (20..30).send(@method, 28).should be_true
     ('e'..'h').send(@method, 'g').should be_true
-    ("\u{999}".."\u{9999}").send @method, "\u{9995}"
   end
 
   it "returns true if argument is sole element in the range" do