diff options
Diffstat (limited to 'spec/ruby/core/string/reverse_spec.rb')
-rw-r--r-- | spec/ruby/core/string/reverse_spec.rb | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/spec/ruby/core/string/reverse_spec.rb b/spec/ruby/core/string/reverse_spec.rb index cf4956a528..aa6abe6036 100644 --- a/spec/ruby/core/string/reverse_spec.rb +++ b/spec/ruby/core/string/reverse_spec.rb @@ -1,4 +1,5 @@ # encoding: utf-8 +# frozen_string_literal: false require_relative '../../spec_helper' require_relative 'fixtures/classes' @@ -10,17 +11,27 @@ describe "String#reverse" do "".reverse.should == "" end - ruby_version_is ''...'2.7' do - it "taints the result if self is tainted" do - "".taint.reverse.should.tainted? - "m".taint.reverse.should.tainted? - end + it "returns String instances when called on a subclass" do + StringSpecs::MyString.new("stressed").reverse.should be_an_instance_of(String) + StringSpecs::MyString.new("m").reverse.should be_an_instance_of(String) + StringSpecs::MyString.new("").reverse.should be_an_instance_of(String) end it "reverses a string with multi byte characters" do "微軟正黑體".reverse.should == "體黑正軟微" end + it "works with a broken string" do + str = "微軟\xDF\xDE正黑體".force_encoding(Encoding::UTF_8) + + str.valid_encoding?.should be_false + + str.reverse.should == "體黑正\xDE\xDF軟微" + end + + it "returns a String in the same encoding as self" do + "stressed".encode("US-ASCII").reverse.encoding.should == Encoding::US_ASCII + end end describe "String#reverse!" do @@ -47,4 +58,13 @@ describe "String#reverse!" do str.reverse! str.should == "體黑正軟微" end + + it "works with a broken string" do + str = "微軟\xDF\xDE正黑體".force_encoding(Encoding::UTF_8) + + str.valid_encoding?.should be_false + str.reverse! + + str.should == "體黑正\xDE\xDF軟微" + end end |