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# -*- encoding: binary -*-
require_relative '../../spec_helper'
describe "Encoding#replicate" do
ruby_version_is ""..."3.3" do
before :all do
@i = 0
end
before :each do
@i += 1
@prefix = "RS#{@i}"
end
it "returns a replica of ASCII" do
name = @prefix + '-ASCII'
e = suppress_warning { Encoding::ASCII.replicate(name) }
e.name.should == name
Encoding.find(name).should == e
"a".dup.force_encoding(e).valid_encoding?.should be_true
"\x80".dup.force_encoding(e).valid_encoding?.should be_false
end
it "returns a replica of UTF-8" do
name = @prefix + 'UTF-8'
e = suppress_warning { Encoding::UTF_8.replicate(name) }
e.name.should == name
Encoding.find(name).should == e
"a".dup.force_encoding(e).valid_encoding?.should be_true
"\u3042".dup.force_encoding(e).valid_encoding?.should be_true
"\x80".dup.force_encoding(e).valid_encoding?.should be_false
end
it "returns a replica of UTF-16BE" do
name = @prefix + 'UTF-16-BE'
e = suppress_warning { Encoding::UTF_16BE.replicate(name) }
e.name.should == name
Encoding.find(name).should == e
"a".dup.force_encoding(e).valid_encoding?.should be_false
"\x30\x42".dup.force_encoding(e).valid_encoding?.should be_true
"\x80".dup.force_encoding(e).valid_encoding?.should be_false
end
it "returns a replica of ISO-2022-JP" do
name = @prefix + 'ISO-2022-JP'
e = suppress_warning { Encoding::ISO_2022_JP.replicate(name) }
Encoding.find(name).should == e
e.name.should == name
e.dummy?.should be_true
end
# NOTE: it's unclear of the value of this (for the complexity cost of it),
# but it is the current CRuby behavior.
it "can be associated with a String" do
name = @prefix + '-US-ASCII'
e = suppress_warning { Encoding::US_ASCII.replicate(name) }
e.name.should == name
Encoding.find(name).should == e
s = "abc".dup.force_encoding(e)
s.encoding.should == e
s.encoding.name.should == name
end
end
ruby_version_is "3.2"..."3.3" do
it "warns about deprecation" do
-> {
Encoding::US_ASCII.replicate('MY-US-ASCII')
}.should complain(/warning: Encoding#replicate is deprecated and will be removed in Ruby 3.3; use the original encoding instead/)
end
it "raises EncodingError if too many encodings" do
code = '1_000.times {|i| Encoding::US_ASCII.replicate("R_#{i}") }'
ruby_exe(code, args: "2>&1", exit_status: 1).should.include?('too many encoding (> 256) (EncodingError)')
end
end
ruby_version_is "3.3" do
it "has been removed" do
Encoding::US_ASCII.should_not.respond_to?(:replicate, true)
end
end
end
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