diff options
Diffstat (limited to 'spec/ruby/core/encoding/converter/replacement_spec.rb')
-rw-r--r-- | spec/ruby/core/encoding/converter/replacement_spec.rb | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/converter/replacement_spec.rb b/spec/ruby/core/encoding/converter/replacement_spec.rb new file mode 100644 index 0000000000..9c25887cd7 --- /dev/null +++ b/spec/ruby/core/encoding/converter/replacement_spec.rb @@ -0,0 +1,74 @@ +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 |