Add specs for comparing non-ASCII compatible empty strings

Author: eregon

spec/ruby/core/string/comparison_spec.rb

@@ -75,6 +75,10 @@
     (xff_1 <=> xff_2).should == -1
     (xff_2 <=> xff_1).should ==  1
   end
+
+  it "returns 0 when comparing 2 empty strings but one is not ASCII-compatible" do
+    ("" <=> "".force_encoding('iso-2022-jp')).should == 0
+  end
 end
 
 # Note: This is inconsistent with Array#<=> which calls #to_ary instead of

spec/ruby/core/string/shared/eql.rb

@@ -31,4 +31,8 @@
     a.send(@method, b).should be_true
     b.send(@method, a).should be_true
   end
+
+  it "returns true when comparing 2 empty strings but one is not ASCII-compatible" do
+    "".send(@method, "".force_encoding('iso-2022-jp')).should == true
+  end
 end