diff options
Diffstat (limited to 'spec/ruby/core/string/setbyte_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/setbyte_spec.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/spec/ruby/core/string/setbyte_spec.rb b/spec/ruby/core/string/setbyte_spec.rb index 03e5bad88b..85403ca62c 100644 --- a/spec/ruby/core/string/setbyte_spec.rb +++ b/spec/ruby/core/string/setbyte_spec.rb @@ -1,4 +1,5 @@ # -*- encoding: utf-8 -*- +# frozen_string_literal: false require_relative '../../spec_helper' describe "String#setbyte" do @@ -36,6 +37,12 @@ describe "String#setbyte" do str.valid_encoding?.should be_true str.setbyte(2,253) str.valid_encoding?.should be_false + + str = "ABC" + str.setbyte(0, 0x20) # ' ' + str.should.valid_encoding? + str.setbyte(0, 0xE3) + str.should_not.valid_encoding? end it "regards a negative index as counting from the end of the String" do |