diff options
Diffstat (limited to 'spec/ruby/core/string/downcase_spec.rb')
-rw-r--r-- | spec/ruby/core/string/downcase_spec.rb | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/spec/ruby/core/string/downcase_spec.rb b/spec/ruby/core/string/downcase_spec.rb index 4427c9df10..2d260f23f1 100644 --- a/spec/ruby/core/string/downcase_spec.rb +++ b/spec/ruby/core/string/downcase_spec.rb @@ -1,4 +1,5 @@ # -*- encoding: utf-8 -*- +# frozen_string_literal: false require_relative '../../spec_helper' require_relative 'fixtures/classes' @@ -8,6 +9,10 @@ describe "String#downcase" do "hello".downcase.should == "hello" end + it "returns a String in the same encoding as self" do + "hELLO".encode("US-ASCII").downcase.encoding.should == Encoding::US_ASCII + end + describe "full Unicode case mapping" do it "works for all of Unicode with no option" do "ÄÖÜ".downcase.should == "äöü" @@ -27,6 +32,10 @@ describe "String#downcase" do it "does not downcase non-ASCII characters" do "CÅR".downcase(:ascii).should == "cÅr" end + + it "works with substrings" do + "prefix TÉ"[-2..-1].downcase(:ascii).should == "tÉ" + end end describe "full Unicode case mapping adapted for Turkic languages" do @@ -68,24 +77,8 @@ describe "String#downcase" do -> { "ABC".downcase(:invalid_option) }.should raise_error(ArgumentError) end - ruby_version_is ''...'2.7' do - it "taints result when self is tainted" do - "".taint.downcase.should.tainted? - "x".taint.downcase.should.tainted? - "X".taint.downcase.should.tainted? - end - end - - ruby_version_is ''...'3.0' do - it "returns a subclass instance for subclasses" do - StringSpecs::MyString.new("FOObar").downcase.should be_an_instance_of(StringSpecs::MyString) - end - end - - ruby_version_is '3.0' do - it "returns a String instance for subclasses" do - StringSpecs::MyString.new("FOObar").downcase.should be_an_instance_of(String) - end + it "returns a String instance for subclasses" do + StringSpecs::MyString.new("FOObar").downcase.should be_an_instance_of(String) end end |