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require File.expand_path('../../../../spec_helper', __FILE__)
with_feature :encoding do
describe "Encoding::Converter#replacement" do
it "returns '?' in US-ASCII when the destination encoding is not UTF-8" do
ec = Encoding::Converter.new("utf-8", "us-ascii")
ec.replacement.should == "?"
ec.replacement.encoding.should == Encoding::US_ASCII
ec = Encoding::Converter.new("utf-8", "sjis")
ec.replacement.should == "?"
ec.replacement.encoding.should == Encoding::US_ASCII
end
it "returns \\uFFFD when the destination encoding is UTF-8" do
ec = Encoding::Converter.new("us-ascii", "utf-8")
ec.replacement.should == "\u{fffd}".force_encoding('utf-8')
ec.replacement.encoding.should == Encoding::UTF_8
end
end
describe "Encoding::Converter#replacement=" do
it "accepts a String argument" do
ec = Encoding::Converter.new("utf-8", "us-ascii")
ec.replacement = "!"
ec.replacement.should == "!"
end
it "accepts a String argument of arbitrary length" do
ec = Encoding::Converter.new("utf-8", "us-ascii")
ec.replacement = "?!?" * 9999
ec.replacement.should == "?!?" * 9999
end
it "raises a TypeError if assigned a non-String argument" do
ec = Encoding::Converter.new("utf-8", "us-ascii")
lambda { ec.replacement = nil }.should raise_error(TypeError)
end
it "sets #replacement" do
ec = Encoding::Converter.new("us-ascii", "utf-8")
ec.replacement.should == "\u{fffd}".force_encoding('utf-8')
ec.replacement = '?'.encode('utf-8')
ec.replacement.should == '?'.force_encoding('utf-8')
end
it "raises an UndefinedConversionError is the argument cannot be converted into the destination encoding" do
ec = Encoding::Converter.new("sjis", "ascii")
utf8_q = "\u{986}".force_encoding('utf-8')
ec.primitive_convert(utf8_q.dup, "").should == :undefined_conversion
lambda { ec.replacement = utf8_q }.should \
raise_error(Encoding::UndefinedConversionError)
end
it "does not change the replacement character if the argument cannot be converted into the destination encoding" do
ec = Encoding::Converter.new("sjis", "ascii")
utf8_q = "\u{986}".force_encoding('utf-8')
ec.primitive_convert(utf8_q.dup, "").should == :undefined_conversion
lambda { ec.replacement = utf8_q }.should \
raise_error(Encoding::UndefinedConversionError)
ec.replacement.should == "?".force_encoding('us-ascii')
end
it "uses the replacement character" do
ec = Encoding::Converter.new("utf-8", "us-ascii", :invalid => :replace, :undef => :replace)
ec.replacement = "!"
dest = ""
status = ec.primitive_convert "中文123", dest
status.should == :finished
dest.should == "!!123"
end
end
end
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