mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
4fbb9aa3cb
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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
|
|
|
|
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
|
|
|
|
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::ASCII_8BIT
|
|
end
|
|
|
|
it "produces an ASCII string when escaping ASCII characters via \\u{}" do
|
|
"\u{0000}".encoding.should == Encoding::ASCII_8BIT
|
|
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
|
|
|
|
with_feature :encoding do
|
|
describe "Ruby String interpolation" do
|
|
it "creates a String having an Encoding compatible with all components" do
|
|
a = "\u3042"
|
|
b = "abc".encode("ascii-8bit")
|
|
|
|
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 "ascii-8bit"
|
|
|
|
lambda { "#{a} #{b}" }.should raise_error(Encoding::CompatibilityError)
|
|
end
|
|
end
|
|
end
|