diff options
Diffstat (limited to 'spec/ruby/core/string/comparison_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/comparison_spec.rb | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/spec/ruby/core/string/comparison_spec.rb b/spec/ruby/core/string/comparison_spec.rb index 01199274b6..9db0cff5ee 100644 --- a/spec/ruby/core/string/comparison_spec.rb +++ b/spec/ruby/core/string/comparison_spec.rb @@ -61,12 +61,12 @@ describe "String#<=> with String" do end it "ignores encoding difference" do - ("ÄÖÛ".force_encoding("utf-8") <=> "ÄÖÜ".force_encoding("iso-8859-1")).should == -1 - ("ÄÖÜ".force_encoding("utf-8") <=> "ÄÖÛ".force_encoding("iso-8859-1")).should == 1 + ("ÄÖÛ".dup.force_encoding("utf-8") <=> "ÄÖÜ".dup.force_encoding("iso-8859-1")).should == -1 + ("ÄÖÜ".dup.force_encoding("utf-8") <=> "ÄÖÛ".dup.force_encoding("iso-8859-1")).should == 1 end it "returns 0 with identical ASCII-compatible bytes of different encodings" do - ("abc".force_encoding("utf-8") <=> "abc".force_encoding("iso-8859-1")).should == 0 + ("abc".dup.force_encoding("utf-8") <=> "abc".dup.force_encoding("iso-8859-1")).should == 0 end it "compares the indices of the encodings when the strings have identical non-ASCII-compatible bytes" do @@ -75,6 +75,10 @@ describe "String#<=> with String" do (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 + ("" <=> "".dup.force_encoding('iso-2022-jp')).should == 0 + end end # Note: This is inconsistent with Array#<=> which calls #to_ary instead of |