diff options
Diffstat (limited to 'spec/rubyspec/core/regexp/shared/new_ascii_8bit.rb')
| -rw-r--r-- | spec/rubyspec/core/regexp/shared/new_ascii_8bit.rb | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/spec/rubyspec/core/regexp/shared/new_ascii_8bit.rb b/spec/rubyspec/core/regexp/shared/new_ascii_8bit.rb new file mode 100644 index 0000000000..5110a08380 --- /dev/null +++ b/spec/rubyspec/core/regexp/shared/new_ascii_8bit.rb @@ -0,0 +1,553 @@ +# -*- encoding: ascii-8bit -*- + +describe :regexp_new_ascii_8bit, shared: true do + it "requires one argument and creates a new regular expression object" do + Regexp.send(@method, '').is_a?(Regexp).should == true + end + + it "works by default for subclasses with overridden #initialize" do + class RegexpSpecsSubclass < Regexp + def initialize(*args) + super + @args = args + end + + attr_accessor :args + end + + class RegexpSpecsSubclassTwo < Regexp; end + + RegexpSpecsSubclass.send(@method, "hi").should be_kind_of(RegexpSpecsSubclass) + RegexpSpecsSubclass.send(@method, "hi").args.first.should == "hi" + + RegexpSpecsSubclassTwo.send(@method, "hi").should be_kind_of(RegexpSpecsSubclassTwo) + end +end + +describe :regexp_new_string_ascii_8bit, shared: true do + it "uses the String argument as an unescaped literal to construct a Regexp object" do + Regexp.send(@method, "^hi{2,3}fo.o$").should == /^hi{2,3}fo.o$/ + end + + it "raises a RegexpError when passed an incorrect regexp" do + lambda { Regexp.send(@method, "^[$", 0) }.should raise_error(RegexpError) + end + + it "does not set Regexp options if only given one argument" do + r = Regexp.send(@method, 'Hi') + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + end + + it "does not set Regexp options if second argument is nil or false" do + r = Regexp.send(@method, 'Hi', nil) + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + + r = Regexp.send(@method, 'Hi', false) + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + end + + it "sets options from second argument if it is one of the Fixnum option constants" do + r = Regexp.send(@method, 'Hi', Regexp::IGNORECASE) + (r.options & Regexp::IGNORECASE).should_not == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + + r = Regexp.send(@method, 'Hi', Regexp::MULTILINE) + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should_not == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + + not_supported_on :opal do + r = Regexp.send(@method, 'Hi', Regexp::EXTENDED) + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should == 0 + (r.options & Regexp::EXTENDED).should_not == 1 + end + end + + it "accepts a Fixnum of two or more options ORed together as the second argument" do + r = Regexp.send(@method, 'Hi', Regexp::IGNORECASE | Regexp::EXTENDED) + (r.options & Regexp::IGNORECASE).should_not == 0 + (r.options & Regexp::MULTILINE).should == 0 + (r.options & Regexp::EXTENDED).should_not == 0 + end + + it "treats any non-Fixnum, non-nil, non-false second argument as IGNORECASE" do + r = Regexp.send(@method, 'Hi', Object.new) + (r.options & Regexp::IGNORECASE).should_not == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + end + + it "ignores the third argument if it is 'e' or 'euc' (case-insensitive)" do + lambda { + Regexp.send(@method, 'Hi', nil, 'e').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'euc').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'E').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'EUC').encoding.should == Encoding::US_ASCII + }.should complain(/encoding option is ignored/) + end + + it "ignores the third argument if it is 's' or 'sjis' (case-insensitive)" do + lambda { + Regexp.send(@method, 'Hi', nil, 's').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'sjis').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'S').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'SJIS').encoding.should == Encoding::US_ASCII + }.should complain(/encoding option is ignored/) + end + + it "ignores the third argument if it is 'u' or 'utf8' (case-insensitive)" do + lambda { + Regexp.send(@method, 'Hi', nil, 'u').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'utf8').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'U').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'UTF8').encoding.should == Encoding::US_ASCII + }.should complain(/encoding option is ignored/) + end + + it "uses US_ASCII encoding if third argument is 'n' or 'none' (case insensitive) and only ascii characters" do + Regexp.send(@method, 'Hi', nil, 'n').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'none').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'N').encoding.should == Encoding::US_ASCII + Regexp.send(@method, 'Hi', nil, 'NONE').encoding.should == Encoding::US_ASCII + end + + it "uses ASCII_8BIT encoding if third argument is 'n' or 'none' (case insensitive) and non-ascii characters" do + a = "(?:[\x8E\xA1-\xFE])" + str = "\A(?:#{a}|x*)\z" + + Regexp.send(@method, str, nil, 'N').encoding.should == Encoding::ASCII_8BIT + Regexp.send(@method, str, nil, 'n').encoding.should == Encoding::ASCII_8BIT + Regexp.send(@method, str, nil, 'none').encoding.should == Encoding::ASCII_8BIT + Regexp.send(@method, str, nil, 'NONE').encoding.should == Encoding::ASCII_8BIT + end + + describe "with escaped characters" do + it "raises a Regexp error if there is a trailing backslash" do + lambda { Regexp.send(@method, "\\") }.should raise_error(RegexpError) + end + + it "accepts a backspace followed by a character" do + Regexp.send(@method, "\\N").should == /#{"\x5c"+"N"}/ + end + + it "accepts a one-digit octal value" do + Regexp.send(@method, "\0").should == /#{"\x00"}/ + end + + it "accepts a two-digit octal value" do + Regexp.send(@method, "\11").should == /#{"\x09"}/ + end + + it "accepts a three-digit octal value" do + Regexp.send(@method, "\315").should == /#{"\xcd"}/ + end + + it "interprets a digit following a three-digit octal value as a character" do + Regexp.send(@method, "\3762").should == /#{"\xfe2"}/ + end + + it "accepts a one-digit hexadecimal value" do + Regexp.send(@method, "\x9n").should == /#{"\x09n"}/ + end + + it "accepts a two-digit hexadecimal value" do + Regexp.send(@method, "\x23").should == /#{"\x23"}/ + end + + it "interprets a digit following a two-digit hexadecimal value as a character" do + Regexp.send(@method, "\x420").should == /#{"\x420"}/ + end + + it "raises a RegexpError if \\x is not followed by any hexadecimal digits" do + lambda { Regexp.send(@method, "\\" + "xn") }.should raise_error(RegexpError) + end + + it "accepts an escaped string interpolation" do + Regexp.send(@method, "\#{abc}").should == /#{"\#{abc}"}/ + end + + it "accepts '\\n'" do + Regexp.send(@method, "\n").should == /#{"\x0a"}/ + end + + it "accepts '\\t'" do + Regexp.send(@method, "\t").should == /#{"\x09"}/ + end + + it "accepts '\\r'" do + Regexp.send(@method, "\r").should == /#{"\x0d"}/ + end + + it "accepts '\\f'" do + Regexp.send(@method, "\f").should == /#{"\x0c"}/ + end + + it "accepts '\\v'" do + Regexp.send(@method, "\v").should == /#{"\x0b"}/ + end + + it "accepts '\\a'" do + Regexp.send(@method, "\a").should == /#{"\x07"}/ + end + + it "accepts '\\e'" do + Regexp.send(@method, "\e").should == /#{"\x1b"}/ + end + + it "accepts '\\C-\\n'" do + Regexp.send(@method, "\C-\n").should == /#{"\x0a"}/ + end + + it "accepts '\\C-\\t'" do + Regexp.send(@method, "\C-\t").should == /#{"\x09"}/ + end + + it "accepts '\\C-\\r'" do + Regexp.send(@method, "\C-\r").should == /#{"\x0d"}/ + end + + it "accepts '\\C-\\f'" do + Regexp.send(@method, "\C-\f").should == /#{"\x0c"}/ + end + + it "accepts '\\C-\\v'" do + Regexp.send(@method, "\C-\v").should == /#{"\x0b"}/ + end + + it "accepts '\\C-\\a'" do + Regexp.send(@method, "\C-\a").should == /#{"\x07"}/ + end + + it "accepts '\\C-\\e'" do + Regexp.send(@method, "\C-\e").should == /#{"\x1b"}/ + end + + it "accepts '\\c\\n'" do + Regexp.send(@method, "\C-\n").should == /#{"\x0a"}/ + end + + it "accepts '\\c\\t'" do + Regexp.send(@method, "\C-\t").should == /#{"\x09"}/ + end + + it "accepts '\\c\\r'" do + Regexp.send(@method, "\C-\r").should == /#{"\x0d"}/ + end + + it "accepts '\\c\\f'" do + Regexp.send(@method, "\C-\f").should == /#{"\x0c"}/ + end + + it "accepts '\\c\\v'" do + Regexp.send(@method, "\C-\v").should == /#{"\x0b"}/ + end + + it "accepts '\\c\\a'" do + Regexp.send(@method, "\C-\a").should == /#{"\x07"}/ + end + + it "accepts '\\c\\e'" do + Regexp.send(@method, "\C-\e").should == /#{"\x1b"}/ + end + + it "accepts '\\M-\\n'" do + Regexp.send(@method, "\M-\n").should == /#{"\x8a"}/ + end + + it "accepts '\\M-\\t'" do + Regexp.send(@method, "\M-\t").should == /#{"\x89"}/ + end + + it "accepts '\\M-\\r'" do + Regexp.send(@method, "\M-\r").should == /#{"\x8d"}/ + end + + it "accepts '\\M-\\f'" do + Regexp.send(@method, "\M-\f").should == /#{"\x8c"}/ + end + + it "accepts '\\M-\\v'" do + Regexp.send(@method, "\M-\v").should == /#{"\x8b"}/ + end + + it "accepts '\\M-\\a'" do + Regexp.send(@method, "\M-\a").should == /#{"\x87"}/ + end + + it "accepts '\\M-\\e'" do + Regexp.send(@method, "\M-\e").should == /#{"\x9b"}/ + end + + it "accepts '\\M-\\C-\\n'" do + Regexp.send(@method, "\M-\n").should == /#{"\x8a"}/ + end + + it "accepts '\\M-\\C-\\t'" do + Regexp.send(@method, "\M-\t").should == /#{"\x89"}/ + end + + it "accepts '\\M-\\C-\\r'" do + Regexp.send(@method, "\M-\r").should == /#{"\x8d"}/ + end + + it "accepts '\\M-\\C-\\f'" do + Regexp.send(@method, "\M-\f").should == /#{"\x8c"}/ + end + + it "accepts '\\M-\\C-\\v'" do + Regexp.send(@method, "\M-\v").should == /#{"\x8b"}/ + end + + it "accepts '\\M-\\C-\\a'" do + Regexp.send(@method, "\M-\a").should == /#{"\x87"}/ + end + + it "accepts '\\M-\\C-\\e'" do + Regexp.send(@method, "\M-\e").should == /#{"\x9b"}/ + end + + it "accepts '\\M-\\c\\n'" do + Regexp.send(@method, "\M-\n").should == /#{"\x8a"}/ + end + + it "accepts '\\M-\\c\\t'" do + Regexp.send(@method, "\M-\t").should == /#{"\x89"}/ + end + + it "accepts '\\M-\\c\\r'" do + Regexp.send(@method, "\M-\r").should == /#{"\x8d"}/ + end + + it "accepts '\\M-\\c\\f'" do + Regexp.send(@method, "\M-\f").should == /#{"\x8c"}/ + end + + it "accepts '\\M-\\c\\v'" do + Regexp.send(@method, "\M-\v").should == /#{"\x8b"}/ + end + + it "accepts '\\M-\\c\\a'" do + Regexp.send(@method, "\M-\a").should == /#{"\x87"}/ + end + + it "accepts '\\M-\\c\\e'" do + Regexp.send(@method, "\M-\e").should == /#{"\x9b"}/ + end + + it "accepts multiple consecutive '\\' characters" do + Regexp.send(@method, "\\\\\\N").should == /#{"\\\\\\"+"N"}/ + end + + it "accepts characters and escaped octal digits" do + Regexp.send(@method, "abc\076").should == /#{"abc\x3e"}/ + end + + it "accepts escaped octal digits and characters" do + Regexp.send(@method, "\076abc").should == /#{"\x3eabc"}/ + end + + it "accepts characters and escaped hexadecimal digits" do + Regexp.send(@method, "abc\x42").should == /#{"abc\x42"}/ + end + + it "accepts escaped hexadecimal digits and characters" do + Regexp.send(@method, "\x3eabc").should == /#{"\x3eabc"}/ + end + + it "accepts escaped hexadecimal and octal digits" do + Regexp.send(@method, "\061\x42").should == /#{"\x31\x42"}/ + end + + it "accepts \\u{H} for a single Unicode codepoint" do + Regexp.send(@method, "\u{f}").should == /#{"\x0f"}/ + end + + it "accepts \\u{HH} for a single Unicode codepoint" do + Regexp.send(@method, "\u{7f}").should == /#{"\x7f"}/ + end + + it "accepts \\u{HHH} for a single Unicode codepoint" do + Regexp.send(@method, "\u{07f}").should == /#{"\x7f"}/ + end + + it "accepts \\u{HHHH} for a single Unicode codepoint" do + Regexp.send(@method, "\u{0000}").should == /#{"\x00"}/ + end + + it "accepts \\u{HHHHH} for a single Unicode codepoint" do + Regexp.send(@method, "\u{00001}").should == /#{"\x01"}/ + end + + it "accepts \\u{HHHHHH} for a single Unicode codepoint" do + Regexp.send(@method, "\u{000000}").should == /#{"\x00"}/ + end + + it "accepts characters followed by \\u{HHHH}" do + Regexp.send(@method, "abc\u{3042}").should == /#{"abc\u3042"}/ + end + + it "accepts \\u{HHHH} followed by characters" do + Regexp.send(@method, "\u{3042}abc").should == /#{"\u3042abc"}/ + end + + it "accepts escaped hexadecimal digits followed by \\u{HHHH}" do + Regexp.send(@method, "\x42\u{3042}").should == /#{"\x42\u3042"}/ + end + + it "accepts escaped octal digits followed by \\u{HHHH}" do + Regexp.send(@method, "\056\u{3042}").should == /#{"\x2e\u3042"}/ + end + + it "accepts a combination of escaped octal and hexadecimal digits and \\u{HHHH}" do + Regexp.send(@method, "\056\x42\u{3042}\x52\076").should == /#{"\x2e\x42\u3042\x52\x3e"}/ + end + + it "accepts \\uHHHH for a single Unicode codepoint" do + Regexp.send(@method, "\u3042").should == /#{"\u3042"}/ + end + + it "accepts characters followed by \\uHHHH" do + Regexp.send(@method, "abc\u3042").should == /#{"abc\u3042"}/ + end + + it "accepts \\uHHHH followed by characters" do + Regexp.send(@method, "\u3042abc").should == /#{"\u3042abc"}/ + end + + it "accepts escaped hexadecimal digits followed by \\uHHHH" do + Regexp.send(@method, "\x42\u3042").should == /#{"\x42\u3042"}/ + end + + it "accepts escaped octal digits followed by \\uHHHH" do + Regexp.send(@method, "\056\u3042").should == /#{"\x2e\u3042"}/ + end + + it "accepts a combination of escaped octal and hexadecimal digits and \\uHHHH" do + Regexp.send(@method, "\056\x42\u3042\x52\076").should == /#{"\x2e\x42\u3042\x52\x3e"}/ + end + + it "raises a RegexpError if less than four digits are given for \\uHHHH" do + lambda { Regexp.send(@method, "\\" + "u304") }.should raise_error(RegexpError) + end + + it "raises a RegexpError if the \\u{} escape is empty" do + lambda { Regexp.send(@method, "\\" + "u{}") }.should raise_error(RegexpError) + end + + it "raises a RegexpError if more than six hexadecimal digits are given" do + lambda { Regexp.send(@method, "\\" + "u{0ffffff}") }.should raise_error(RegexpError) + end + + it "returns a Regexp with US-ASCII encoding if only 7-bit ASCII characters are present regardless of the input String's encoding" do + Regexp.send(@method, "abc").encoding.should == Encoding::US_ASCII + end + + it "returns a Regexp with source String having US-ASCII encoding if only 7-bit ASCII characters are present regardless of the input String's encoding" do + Regexp.send(@method, "abc").source.encoding.should == Encoding::US_ASCII + end + + it "returns a Regexp with US-ASCII encoding if UTF-8 escape sequences using only 7-bit ASCII are present" do + Regexp.send(@method, "\u{61}").encoding.should == Encoding::US_ASCII + end + + it "returns a Regexp with source String having US-ASCII encoding if UTF-8 escape sequences using only 7-bit ASCII are present" do + Regexp.send(@method, "\u{61}").source.encoding.should == Encoding::US_ASCII + end + + it "returns a Regexp with UTF-8 encoding if any UTF-8 escape sequences outside 7-bit ASCII are present" do + Regexp.send(@method, "\u{ff}").encoding.should == Encoding::UTF_8 + end + + it "returns a Regexp with source String having UTF-8 encoding if any UTF-8 escape sequences outside 7-bit ASCII are present" do + Regexp.send(@method, "\u{ff}").source.encoding.should == Encoding::UTF_8 + end + + it "returns a Regexp with the input String's encoding" do + str = "\x82\xa0".force_encoding(Encoding::Shift_JIS) + Regexp.send(@method, str).encoding.should == Encoding::Shift_JIS + end + + it "returns a Regexp with source String having the input String's encoding" do + str = "\x82\xa0".force_encoding(Encoding::Shift_JIS) + Regexp.send(@method, str).source.encoding.should == Encoding::Shift_JIS + end + end +end + +describe :regexp_new_regexp_ascii_8bit, shared: true do + it "uses the argument as a literal to construct a Regexp object" do + Regexp.send(@method, /^hi{2,3}fo.o$/).should == /^hi{2,3}fo.o$/ + end + + it "preserves any options given in the Regexp literal" do + (Regexp.send(@method, /Hi/i).options & Regexp::IGNORECASE).should_not == 0 + (Regexp.send(@method, /Hi/m).options & Regexp::MULTILINE).should_not == 0 + not_supported_on :opal do + (Regexp.send(@method, /Hi/x).options & Regexp::EXTENDED).should_not == 0 + end + + not_supported_on :opal do + r = Regexp.send @method, /Hi/imx + (r.options & Regexp::IGNORECASE).should_not == 0 + (r.options & Regexp::MULTILINE).should_not == 0 + (r.options & Regexp::EXTENDED).should_not == 0 + end + + r = Regexp.send @method, /Hi/ + (r.options & Regexp::IGNORECASE).should == 0 + (r.options & Regexp::MULTILINE).should == 0 + not_supported_on :opal do + (r.options & Regexp::EXTENDED).should == 0 + end + end + + it "does not honour options given as additional arguments" do + r = nil + lambda { + r = Regexp.send @method, /hi/, Regexp::IGNORECASE + }.should complain(/flags ignored/) + (r.options & Regexp::IGNORECASE).should == 0 + end + + not_supported_on :opal do + it "sets the encoding to UTF-8 if the Regexp literal has the 'u' option" do + Regexp.send(@method, /Hi/u).encoding.should == Encoding::UTF_8 + end + + it "sets the encoding to EUC-JP if the Regexp literal has the 'e' option" do + Regexp.send(@method, /Hi/e).encoding.should == Encoding::EUC_JP + end + + it "sets the encoding to Windows-31J if the Regexp literal has the 's' option" do + Regexp.send(@method, /Hi/s).encoding.should == Encoding::Windows_31J + end + + it "sets the encoding to US-ASCII if the Regexp literal has the 'n' option and the source String is ASCII only" do + Regexp.send(@method, /Hi/n).encoding.should == Encoding::US_ASCII + end + + it "sets the encoding to source String's encoding if the Regexp literal has the 'n' option and the source String is not ASCII only" do + Regexp.send(@method, Regexp.new("\\xff", nil, 'n')).encoding.should == Encoding::ASCII_8BIT + end + end +end |