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# -*- encoding: binary -*-
require File.expand_path('../../../../spec_helper', __FILE__)
with_feature :encoding do
describe "Encoding::Converter#convert" do
it "returns a String" do
ec = Encoding::Converter.new('ascii', 'utf-8')
ec.convert('glark').should be_an_instance_of(String)
end
it "sets the encoding of the result to the target encoding" do
ec = Encoding::Converter.new('ascii', 'utf-8')
str = 'glark'.force_encoding('ascii')
ec.convert(str).encoding.should == Encoding::UTF_8
end
it "transcodes the given String to the target encoding" do
ec = Encoding::Converter.new("utf-8", "euc-jp")
ec.convert("\u3042".force_encoding('UTF-8')).should == \
"\xA4\xA2".force_encoding('EUC-JP')
end
it "allows Strings of different encodings to the source encoding" do
ec = Encoding::Converter.new('ascii', 'utf-8')
str = 'glark'.force_encoding('SJIS')
ec.convert(str).encoding.should == Encoding::UTF_8
end
it "reuses the given encoding pair if called multiple times" do
ec = Encoding::Converter.new('ascii', 'SJIS')
ec.convert('a'.force_encoding('ASCII')).should == 'a'.force_encoding('SJIS')
ec.convert('b'.force_encoding('ASCII')).should == 'b'.force_encoding('SJIS')
end
it "raises UndefinedConversionError if the String contains characters invalid for the target encoding" do
ec = Encoding::Converter.new('UTF-8', Encoding.find('macCyrillic'))
lambda { ec.convert("\u{6543}".force_encoding('UTF-8')) }.should \
raise_error(Encoding::UndefinedConversionError)
end
it "raises an ArgumentError if called on a finished stream" do
ec = Encoding::Converter.new('UTF-8', Encoding.find('macCyrillic'))
ec.finish
lambda { ec.convert("\u{65}") }.should raise_error(ArgumentError)
end
end
end
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