1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/spec/ruby/core/string/clear_spec.rb
eregon a34db218ad Update to ruby/spec@0fe33ac
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-12-27 16:12:47 +00:00

39 lines
993 B
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
with_feature :encoding do
describe "String#clear" do
before :each do
@s = "Jolene"
end
it "sets self equal to the empty String" do
@s.clear
@s.should == ""
end
it "returns self after emptying it" do
cleared = @s.clear
cleared.should == ""
cleared.object_id.should == @s.object_id
end
it "preserves its encoding" do
@s.encode!(Encoding::SHIFT_JIS)
@s.encoding.should == Encoding::SHIFT_JIS
@s.clear.encoding.should == Encoding::SHIFT_JIS
@s.encoding.should == Encoding::SHIFT_JIS
end
it "works with multibyte Strings" do
s = "\u{9765}\u{876}"
s.clear
s.should == ""
end
it "raises a #{frozen_error_class} if self is frozen" do
@s.freeze
lambda { @s.clear }.should raise_error(frozen_error_class)
lambda { "".freeze.clear }.should raise_error(frozen_error_class)
end
end
end