mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
ffd0820ab3
This removes the related tests, and puts the related specs behind version guards. This affects all code in lib, including some libraries that may want to support older versions of Ruby.
289 lines
8.5 KiB
Ruby
289 lines
8.5 KiB
Ruby
# -*- encoding: binary -*-
|
|
|
|
require_relative '../spec_helper'
|
|
|
|
# TODO: rewrite these horrid specs. it "are..." seriously?!
|
|
|
|
describe "Ruby character strings" do
|
|
|
|
before :each do
|
|
@ip = 'xxx' # used for interpolation
|
|
$ip = 'xxx'
|
|
end
|
|
|
|
it "don't get interpolated when put in single quotes" do
|
|
'#{@ip}'.should == '#{@ip}'
|
|
end
|
|
|
|
it 'get interpolated with #{} when put in double quotes' do
|
|
"#{@ip}".should == 'xxx'
|
|
end
|
|
|
|
it "interpolate instance variables just with the # character" do
|
|
"#@ip".should == 'xxx'
|
|
end
|
|
|
|
it "interpolate global variables just with the # character" do
|
|
"#$ip".should == 'xxx'
|
|
end
|
|
|
|
it "allows underscore as part of a variable name in a simple interpolation" do
|
|
@my_ip = 'xxx'
|
|
"#@my_ip".should == 'xxx'
|
|
end
|
|
|
|
it "has characters [.(=?!# end simple # interpolation" do
|
|
"#@ip[".should == 'xxx['
|
|
"#@ip.".should == 'xxx.'
|
|
"#@ip(".should == 'xxx('
|
|
"#@ip=".should == 'xxx='
|
|
"#@ip?".should == 'xxx?'
|
|
"#@ip!".should == 'xxx!'
|
|
"#@ip#@ip".should == 'xxxxxx'
|
|
end
|
|
|
|
it "don't get confused by partial interpolation character sequences" do
|
|
"#@".should == '#@'
|
|
"#@ ".should == '#@ '
|
|
"#@@".should == '#@@'
|
|
"#@@ ".should == '#@@ '
|
|
"#$ ".should == '#$ '
|
|
"#\$".should == '#$'
|
|
end
|
|
|
|
ruby_version_is ''...'2.7' do
|
|
it "taints the result of interpolation when an interpolated value is tainted" do
|
|
"#{"".taint}".tainted?.should be_true
|
|
|
|
@ip.taint
|
|
"#@ip".tainted?.should be_true
|
|
|
|
$ip.taint
|
|
"#$ip".tainted?.should be_true
|
|
end
|
|
|
|
it "untrusts the result of interpolation when an interpolated value is untrusted" do
|
|
"#{"".untrust}".untrusted?.should be_true
|
|
|
|
@ip.untrust
|
|
"#@ip".untrusted?.should be_true
|
|
|
|
$ip.untrust
|
|
"#$ip".untrusted?.should be_true
|
|
end
|
|
end
|
|
|
|
it "allows using non-alnum characters as string delimiters" do
|
|
%(hey #{@ip}).should == "hey xxx"
|
|
%[hey #{@ip}].should == "hey xxx"
|
|
%{hey #{@ip}}.should == "hey xxx"
|
|
%<hey #{@ip}>.should == "hey xxx"
|
|
%!hey #{@ip}!.should == "hey xxx"
|
|
%@hey #{@ip}@.should == "hey xxx"
|
|
%#hey hey#.should == "hey hey"
|
|
%%hey #{@ip}%.should == "hey xxx"
|
|
%^hey #{@ip}^.should == "hey xxx"
|
|
%&hey #{@ip}&.should == "hey xxx"
|
|
%*hey #{@ip}*.should == "hey xxx"
|
|
%-hey #{@ip}-.should == "hey xxx"
|
|
%_hey #{@ip}_.should == "hey xxx"
|
|
%=hey #{@ip}=.should == "hey xxx"
|
|
%+hey #{@ip}+.should == "hey xxx"
|
|
%~hey #{@ip}~.should == "hey xxx"
|
|
%:hey #{@ip}:.should == "hey xxx"
|
|
%;hey #{@ip};.should == "hey xxx"
|
|
%"hey #{@ip}".should == "hey xxx"
|
|
%|hey #{@ip}|.should == "hey xxx"
|
|
%?hey #{@ip}?.should == "hey xxx"
|
|
%/hey #{@ip}/.should == "hey xxx"
|
|
%,hey #{@ip},.should == "hey xxx"
|
|
%.hey #{@ip}..should == "hey xxx"
|
|
|
|
# surprised? huh
|
|
%'hey #{@ip}'.should == "hey xxx"
|
|
%\hey #{@ip}\.should == "hey xxx"
|
|
%`hey #{@ip}`.should == "hey xxx"
|
|
%$hey #{@ip}$.should == "hey xxx"
|
|
end
|
|
|
|
it "using percent with 'q', stopping interpolation" do
|
|
%q(#{@ip}).should == '#{@ip}'
|
|
end
|
|
|
|
it "using percent with 'Q' to interpolate" do
|
|
%Q(#{@ip}).should == 'xxx'
|
|
end
|
|
|
|
# The backslashes :
|
|
#
|
|
# \t (tab), \n (newline), \r (carriage return), \f (form feed), \b
|
|
# (backspace), \a (bell), \e (escape), \s (whitespace), \nnn (octal),
|
|
# \xnn (hexadecimal), \cx (control x), \C-x (control x), \M-x (meta x),
|
|
# \M-\C-x (meta control x)
|
|
|
|
it "backslashes follow the same rules as interpolation" do
|
|
"\t\n\r\f\b\a\e\s\075\x62\cx".should == "\t\n\r\f\b\a\e =b\030"
|
|
'\t\n\r\f\b\a\e =b\030'.should == "\\t\\n\\r\\f\\b\\a\\e =b\\030"
|
|
end
|
|
|
|
it "calls #to_s when the object is not a String" do
|
|
obj = mock('to_s')
|
|
obj.stub!(:to_s).and_return('42')
|
|
|
|
"#{obj}".should == '42'
|
|
end
|
|
|
|
it "calls #to_s as a private method" do
|
|
obj = mock('to_s')
|
|
obj.stub!(:to_s).and_return('42')
|
|
|
|
class << obj
|
|
private :to_s
|
|
end
|
|
|
|
"#{obj}".should == '42'
|
|
end
|
|
|
|
it "uses an internal representation when #to_s doesn't return a String" do
|
|
obj = mock('to_s')
|
|
obj.stub!(:to_s).and_return(42)
|
|
|
|
# See rubyspec commit 787c132d by yugui. There is value in
|
|
# ensuring that this behavior works. So rather than removing
|
|
# this spec completely, the only thing that can be asserted
|
|
# is that if you interpolate an object that fails to return
|
|
# a String, you will still get a String and not raise an
|
|
# exception.
|
|
"#{obj}".should be_an_instance_of(String)
|
|
end
|
|
|
|
it "allows a dynamic string to parse a nested do...end block as an argument to a call without parens, interpolated" do
|
|
s = eval 'eval "#{proc do; 1; end.call}"'
|
|
s.should == 1
|
|
end
|
|
|
|
it "are produced from character shortcuts" do
|
|
?z.should == 'z'
|
|
end
|
|
|
|
it "are produced from control character shortcuts" do
|
|
# Control-Z
|
|
?\C-z.should == "\x1A"
|
|
|
|
# Meta-Z
|
|
?\M-z.should == "\xFA"
|
|
|
|
# Meta-Control-Z
|
|
?\M-\C-z.should == "\x9A"
|
|
end
|
|
|
|
describe "Unicode escaping" do
|
|
it "can be done with \\u and four hex digits" do
|
|
[ ["\u0000", 0x0000],
|
|
["\u2020", 0x2020]
|
|
].should be_computed_by(:ord)
|
|
end
|
|
|
|
it "can be done with \\u{} and one to six hex digits" do
|
|
[ ["\u{a}", 0xa],
|
|
["\u{ab}", 0xab],
|
|
["\u{abc}", 0xabc],
|
|
["\u{1abc}", 0x1abc],
|
|
["\u{12abc}", 0x12abc],
|
|
["\u{100000}", 0x100000]
|
|
].should be_computed_by(:ord)
|
|
end
|
|
|
|
# TODO: spec other source encodings
|
|
describe "with ASCII_8BIT source encoding" do
|
|
it "produces an ASCII string when escaping ASCII characters via \\u" do
|
|
"\u0000".encoding.should == Encoding::BINARY
|
|
end
|
|
|
|
it "produces an ASCII string when escaping ASCII characters via \\u{}" do
|
|
"\u{0000}".encoding.should == Encoding::BINARY
|
|
end
|
|
|
|
it "produces a UTF-8-encoded string when escaping non-ASCII characters via \\u" do
|
|
"\u1234".encoding.should == Encoding::UTF_8
|
|
end
|
|
|
|
it "produces a UTF-8-encoded string when escaping non-ASCII characters via \\u{}" do
|
|
"\u{1234}".encoding.should == Encoding::UTF_8
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
# TODO: rewrite all specs above this
|
|
|
|
describe "Ruby String literals" do
|
|
def str_concat
|
|
"foo" "bar" "baz"
|
|
end
|
|
|
|
def long_string_literals
|
|
"Beautiful is better than ugly." \
|
|
"Explicit is better than implicit."
|
|
end
|
|
|
|
it "on a single line with spaces in between are concatenated together" do
|
|
str_concat.should == "foobarbaz"
|
|
end
|
|
|
|
it "on multiple lines with newlines and backslash in between are concatenated together" do
|
|
long_string_literals.should == "Beautiful is better than ugly.Explicit is better than implicit."
|
|
end
|
|
|
|
describe "with a magic frozen comment" do
|
|
it "produce the same object each time" do
|
|
ruby_exe(fixture(__FILE__, "freeze_magic_comment_one_literal.rb")).chomp.should == "true"
|
|
end
|
|
|
|
it "produce the same object for literals with the same content" do
|
|
ruby_exe(fixture(__FILE__, "freeze_magic_comment_two_literals.rb")).chomp.should == "true"
|
|
end
|
|
|
|
it "produce the same object for literals with the same content in different files" do
|
|
ruby_exe(fixture(__FILE__, "freeze_magic_comment_across_files.rb")).chomp.should == "true"
|
|
end
|
|
|
|
it "produce different objects for literals with the same content in different files if the other file doesn't have the comment" do
|
|
ruby_exe(fixture(__FILE__, "freeze_magic_comment_across_files_no_comment.rb")).chomp.should == "true"
|
|
end
|
|
|
|
it "produce different objects for literals with the same content in different files if they have different encodings" do
|
|
ruby_exe(fixture(__FILE__, "freeze_magic_comment_across_files_diff_enc.rb")).chomp.should == "true"
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
describe "Ruby String interpolation" do
|
|
it "creates a String having an Encoding compatible with all components" do
|
|
a = "\u3042"
|
|
b = "abc".encode("binary")
|
|
|
|
str = "#{a} x #{b}"
|
|
|
|
str.should == "\xe3\x81\x82\x20\x78\x20\x61\x62\x63".force_encoding("utf-8")
|
|
str.encoding.should == Encoding::UTF_8
|
|
end
|
|
|
|
it "creates a String having the Encoding of the components when all are the same Encoding" do
|
|
a = "abc".force_encoding("euc-jp")
|
|
b = "def".force_encoding("euc-jp")
|
|
str = '"#{a} x #{b}"'.force_encoding("euc-jp")
|
|
|
|
result = eval(str)
|
|
result.should == "\x61\x62\x63\x20\x78\x20\x64\x65\x66".force_encoding("euc-jp")
|
|
result.encoding.should == Encoding::EUC_JP
|
|
end
|
|
|
|
it "raises an Encoding::CompatibilityError if the Encodings are not compatible" do
|
|
a = "\u3042"
|
|
b = "\xff".force_encoding "binary"
|
|
|
|
-> { "#{a} #{b}" }.should raise_error(Encoding::CompatibilityError)
|
|
end
|
|
end
|