diff options
Diffstat (limited to 'spec/ruby/core/string/shared/length.rb')
| -rw-r--r-- | spec/ruby/core/string/shared/length.rb | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/spec/ruby/core/string/shared/length.rb b/spec/ruby/core/string/shared/length.rb index b9eae5170f..ae572ba755 100644 --- a/spec/ruby/core/string/shared/length.rb +++ b/spec/ruby/core/string/shared/length.rb @@ -12,13 +12,13 @@ describe :string_length, shared: true do it "returns the length of a string in different encodings" do utf8_str = 'こにちわ' * 100 - utf8_str.size.should == 400 - utf8_str.encode(Encoding::UTF_32BE).size.should == 400 - utf8_str.encode(Encoding::SHIFT_JIS).size.should == 400 + utf8_str.send(@method).should == 400 + utf8_str.encode(Encoding::UTF_32BE).send(@method).should == 400 + utf8_str.encode(Encoding::SHIFT_JIS).send(@method).should == 400 end it "returns the length of the new self after encoding is changed" do - str = 'こにちわ' + str = +'こにちわ' str.send(@method) str.force_encoding('BINARY').send(@method).should == 12 @@ -32,8 +32,24 @@ describe :string_length, shared: true do concat.encoding.should == Encoding::UTF_8 concat.bytesize.should == 4 - concat.size.should == 2 + concat.send(@method).should == 2 concat.force_encoding(Encoding::ASCII_8BIT) - concat.size.should == 4 + concat.send(@method).should == 4 + end + + it "adds 1 for every invalid byte in UTF-8" do + "\xF4\x90\x80\x80".send(@method).should == 4 + "a\xF4\x90\x80\x80b".send(@method).should == 6 + "é\xF4\x90\x80\x80è".send(@method).should == 6 + end + + it "adds 1 (and not 2) for a incomplete surrogate in UTF-16" do + "\x00\xd8".dup.force_encoding("UTF-16LE").send(@method).should == 1 + "\xd8\x00".dup.force_encoding("UTF-16BE").send(@method).should == 1 + end + + it "adds 1 for a broken sequence in UTF-32" do + "\x04\x03\x02\x01".dup.force_encoding("UTF-32LE").send(@method).should == 1 + "\x01\x02\x03\x04".dup.force_encoding("UTF-32BE").send(@method).should == 1 end end |