diff options
Diffstat (limited to 'spec/ruby/core/encoding/converter/putback_spec.rb')
-rw-r--r-- | spec/ruby/core/encoding/converter/putback_spec.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/spec/ruby/core/encoding/converter/putback_spec.rb b/spec/ruby/core/encoding/converter/putback_spec.rb new file mode 100644 index 0000000000..69ce59e89b --- /dev/null +++ b/spec/ruby/core/encoding/converter/putback_spec.rb @@ -0,0 +1,50 @@ +# -*- encoding: binary -*- +require File.expand_path('../../../../spec_helper', __FILE__) + +with_feature :encoding do + describe "Encoding::Converter#putback" do + before :each do + @ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1") + @ret = @ec.primitive_convert(@src="abc\xa1def", @dst="", nil, 10) + end + + it "returns a String" do + @ec.putback.should be_an_instance_of(String) + end + + it "returns a String in the source encoding" do + @ec.putback.encoding.should == Encoding::EUC_JP + end + + it "returns the bytes buffered due to an :invalid_byte_sequence error" do + @ret.should == :invalid_byte_sequence + @ec.putback.should == 'd' + @ec.primitive_errinfo.last.should == 'd' + end + + it "allows conversion to be resumed after an :invalid_byte_sequence" do + @src = @ec.putback + @src + @ret = @ec.primitive_convert(@src, @dst, nil, 10) + @ret.should == :finished + @dst.should == "abcdef" + @src.should == "" + end + + it "returns an empty String when there are no more bytes to put back" do + @ec.putback + @ec.putback.should == "" + end + + it "accepts an integer argument corresponding to the number of bytes to be put back" do + ec = Encoding::Converter.new("utf-16le", "iso-8859-1") + src = "\x00\xd8\x61\x00" + dst = "" + ec.primitive_convert(src, dst).should == :invalid_byte_sequence + ec.primitive_errinfo.should == + [:invalid_byte_sequence, "UTF-16LE", "UTF-8", "\x00\xD8", "a\x00"] + ec.putback(1).should == "\x00".force_encoding("utf-16le") + ec.putback.should == "a".force_encoding("utf-16le") + ec.putback.should == "" + end + end +end |