File: //usr/local/rvm/src/ruby-2.5.9/spec/ruby/core/string/inspect_spec.rb
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#inspect" do
it "taints the result if self is tainted" do
"foo".taint.inspect.tainted?.should == true
"foo\n".taint.inspect.tainted?.should == true
end
it "untrusts the result if self is untrusted" do
"foo".untrust.inspect.untrusted?.should == true
"foo\n".untrust.inspect.untrusted?.should == true
end
it "does not return a subclass instance" do
StringSpecs::MyString.new.inspect.should be_an_instance_of(String)
end
it "returns a string with special characters replaced with \\<char> notation" do
[ ["\a", '"\\a"'],
["\b", '"\\b"'],
["\t", '"\\t"'],
["\n", '"\\n"'],
["\v", '"\\v"'],
["\f", '"\\f"'],
["\r", '"\\r"'],
["\e", '"\\e"']
].should be_computed_by(:inspect)
end
it "returns a string with \" and \\ escaped with a backslash" do
[ ["\"", '"\\""'],
["\\", '"\\\\"']
].should be_computed_by(:inspect)
end
it "returns a string with \\#<char> when # is followed by $, @, {" do
[ ["\#$", '"\\#$"'],
["\#@", '"\\#@"'],
["\#{", '"\\#{"']
].should be_computed_by(:inspect)
end
it "returns a string with # not escaped when followed by any other character" do
[ ["#", '"#"'],
["#1", '"#1"']
].should be_computed_by(:inspect)
end
it "returns a string with printable non-alphanumeric characters unescaped" do
[ [" ", '" "'],
["!", '"!"'],
["$", '"$"'],
["%", '"%"'],
["&", '"&"'],
["'", '"\'"'],
["(", '"("'],
[")", '")"'],
["*", '"*"'],
["+", '"+"'],
[",", '","'],
["-", '"-"'],
[".", '"."'],
["/", '"/"'],
[":", '":"'],
[";", '";"'],
["<", '"<"'],
["=", '"="'],
[">", '">"'],
["?", '"?"'],
["@", '"@"'],
["[", '"["'],
["]", '"]"'],
["^", '"^"'],
["_", '"_"'],
["`", '"`"'],
["{", '"{"'],
["|", '"|"'],
["}", '"}"'],
["~", '"~"']
].should be_computed_by(:inspect)
end
it "returns a string with numeric characters unescaped" do
[ ["0", '"0"'],
["1", '"1"'],
["2", '"2"'],
["3", '"3"'],
["4", '"4"'],
["5", '"5"'],
["6", '"6"'],
["7", '"7"'],
["8", '"8"'],
["9", '"9"'],
].should be_computed_by(:inspect)
end
it "returns a string with upper-case alpha characters unescaped" do
[ ["A", '"A"'],
["B", '"B"'],
["C", '"C"'],
["D", '"D"'],
["E", '"E"'],
["F", '"F"'],
["G", '"G"'],
["H", '"H"'],
["I", '"I"'],
["J", '"J"'],
["K", '"K"'],
["L", '"L"'],
["M", '"M"'],
["N", '"N"'],
["O", '"O"'],
["P", '"P"'],
["Q", '"Q"'],
["R", '"R"'],
["S", '"S"'],
["T", '"T"'],
["U", '"U"'],
["V", '"V"'],
["W", '"W"'],
["X", '"X"'],
["Y", '"Y"'],
["Z", '"Z"']
].should be_computed_by(:inspect)
end
it "returns a string with lower-case alpha characters unescaped" do
[ ["a", '"a"'],
["b", '"b"'],
["c", '"c"'],
["d", '"d"'],
["e", '"e"'],
["f", '"f"'],
["g", '"g"'],
["h", '"h"'],
["i", '"i"'],
["j", '"j"'],
["k", '"k"'],
["l", '"l"'],
["m", '"m"'],
["n", '"n"'],
["o", '"o"'],
["p", '"p"'],
["q", '"q"'],
["r", '"r"'],
["s", '"s"'],
["t", '"t"'],
["u", '"u"'],
["v", '"v"'],
["w", '"w"'],
["x", '"x"'],
["y", '"y"'],
["z", '"z"']
].should be_computed_by(:inspect)
end
it "returns a string with non-printing characters replaced by \\x notation" do
# Avoid the file encoding by computing the string with #chr.
[ [0001.chr, '"\\x01"'],
[0002.chr, '"\\x02"'],
[0003.chr, '"\\x03"'],
[0004.chr, '"\\x04"'],
[0005.chr, '"\\x05"'],
[0006.chr, '"\\x06"'],
[0016.chr, '"\\x0E"'],
[0017.chr, '"\\x0F"'],
[0020.chr, '"\\x10"'],
[0021.chr, '"\\x11"'],
[0022.chr, '"\\x12"'],
[0023.chr, '"\\x13"'],
[0024.chr, '"\\x14"'],
[0025.chr, '"\\x15"'],
[0026.chr, '"\\x16"'],
[0027.chr, '"\\x17"'],
[0030.chr, '"\\x18"'],
[0031.chr, '"\\x19"'],
[0032.chr, '"\\x1A"'],
[0034.chr, '"\\x1C"'],
[0035.chr, '"\\x1D"'],
[0036.chr, '"\\x1E"'],
[0037.chr, '"\\x1F"'],
[0177.chr, '"\\x7F"'],
[0200.chr, '"\\x80"'],
[0201.chr, '"\\x81"'],
[0202.chr, '"\\x82"'],
[0203.chr, '"\\x83"'],
[0204.chr, '"\\x84"'],
[0205.chr, '"\\x85"'],
[0206.chr, '"\\x86"'],
[0207.chr, '"\\x87"'],
[0210.chr, '"\\x88"'],
[0211.chr, '"\\x89"'],
[0212.chr, '"\\x8A"'],
[0213.chr, '"\\x8B"'],
[0214.chr, '"\\x8C"'],
[0215.chr, '"\\x8D"'],
[0216.chr, '"\\x8E"'],
[0217.chr, '"\\x8F"'],
[0220.chr, '"\\x90"'],
[0221.chr, '"\\x91"'],
[0222.chr, '"\\x92"'],
[0223.chr, '"\\x93"'],
[0224.chr, '"\\x94"'],
[0225.chr, '"\\x95"'],
[0226.chr, '"\\x96"'],
[0227.chr, '"\\x97"'],
[0230.chr, '"\\x98"'],
[0231.chr, '"\\x99"'],
[0232.chr, '"\\x9A"'],
[0233.chr, '"\\x9B"'],
[0234.chr, '"\\x9C"'],
[0235.chr, '"\\x9D"'],
[0236.chr, '"\\x9E"'],
[0237.chr, '"\\x9F"'],
[0240.chr, '"\\xA0"'],
[0241.chr, '"\\xA1"'],
[0242.chr, '"\\xA2"'],
[0243.chr, '"\\xA3"'],
[0244.chr, '"\\xA4"'],
[0245.chr, '"\\xA5"'],
[0246.chr, '"\\xA6"'],
[0247.chr, '"\\xA7"'],
[0250.chr, '"\\xA8"'],
[0251.chr, '"\\xA9"'],
[0252.chr, '"\\xAA"'],
[0253.chr, '"\\xAB"'],
[0254.chr, '"\\xAC"'],
[0255.chr, '"\\xAD"'],
[0256.chr, '"\\xAE"'],
[0257.chr, '"\\xAF"'],
[0260.chr, '"\\xB0"'],
[0261.chr, '"\\xB1"'],
[0262.chr, '"\\xB2"'],
[0263.chr, '"\\xB3"'],
[0264.chr, '"\\xB4"'],
[0265.chr, '"\\xB5"'],
[0266.chr, '"\\xB6"'],
[0267.chr, '"\\xB7"'],
[0270.chr, '"\\xB8"'],
[0271.chr, '"\\xB9"'],
[0272.chr, '"\\xBA"'],
[0273.chr, '"\\xBB"'],
[0274.chr, '"\\xBC"'],
[0275.chr, '"\\xBD"'],
[0276.chr, '"\\xBE"'],
[0277.chr, '"\\xBF"'],
[0300.chr, '"\\xC0"'],
[0301.chr, '"\\xC1"'],
[0302.chr, '"\\xC2"'],
[0303.chr, '"\\xC3"'],
[0304.chr, '"\\xC4"'],
[0305.chr, '"\\xC5"'],
[0306.chr, '"\\xC6"'],
[0307.chr, '"\\xC7"'],
[0310.chr, '"\\xC8"'],
[0311.chr, '"\\xC9"'],
[0312.chr, '"\\xCA"'],
[0313.chr, '"\\xCB"'],
[0314.chr, '"\\xCC"'],
[0315.chr, '"\\xCD"'],
[0316.chr, '"\\xCE"'],
[0317.chr, '"\\xCF"'],
[0320.chr, '"\\xD0"'],
[0321.chr, '"\\xD1"'],
[0322.chr, '"\\xD2"'],
[0323.chr, '"\\xD3"'],
[0324.chr, '"\\xD4"'],
[0325.chr, '"\\xD5"'],
[0326.chr, '"\\xD6"'],
[0327.chr, '"\\xD7"'],
[0330.chr, '"\\xD8"'],
[0331.chr, '"\\xD9"'],
[0332.chr, '"\\xDA"'],
[0333.chr, '"\\xDB"'],
[0334.chr, '"\\xDC"'],
[0335.chr, '"\\xDD"'],
[0336.chr, '"\\xDE"'],
[0337.chr, '"\\xDF"'],
[0340.chr, '"\\xE0"'],
[0341.chr, '"\\xE1"'],
[0342.chr, '"\\xE2"'],
[0343.chr, '"\\xE3"'],
[0344.chr, '"\\xE4"'],
[0345.chr, '"\\xE5"'],
[0346.chr, '"\\xE6"'],
[0347.chr, '"\\xE7"'],
[0350.chr, '"\\xE8"'],
[0351.chr, '"\\xE9"'],
[0352.chr, '"\\xEA"'],
[0353.chr, '"\\xEB"'],
[0354.chr, '"\\xEC"'],
[0355.chr, '"\\xED"'],
[0356.chr, '"\\xEE"'],
[0357.chr, '"\\xEF"'],
[0360.chr, '"\\xF0"'],
[0361.chr, '"\\xF1"'],
[0362.chr, '"\\xF2"'],
[0363.chr, '"\\xF3"'],
[0364.chr, '"\\xF4"'],
[0365.chr, '"\\xF5"'],
[0366.chr, '"\\xF6"'],
[0367.chr, '"\\xF7"'],
[0370.chr, '"\\xF8"'],
[0371.chr, '"\\xF9"'],
[0372.chr, '"\\xFA"'],
[0373.chr, '"\\xFB"'],
[0374.chr, '"\\xFC"'],
[0375.chr, '"\\xFD"'],
[0376.chr, '"\\xFE"'],
[0377.chr, '"\\xFF"']
].should be_computed_by(:inspect)
end
it "returns a string with a NUL character replaced by \\x notation" do
0.chr.inspect.should == '"\\x00"'
end
describe "when default external is UTF-8" do
before :each do
@extenc, Encoding.default_external = Encoding.default_external, Encoding::UTF_8
end
after :each do
Encoding.default_external = @extenc
end
it "returns a string with non-printing characters replaced by \\u notation for Unicode strings" do
[ [0001.chr('utf-8'), '"\u0001"'],
[0002.chr('utf-8'), '"\u0002"'],
[0003.chr('utf-8'), '"\u0003"'],
[0004.chr('utf-8'), '"\u0004"'],
[0005.chr('utf-8'), '"\u0005"'],
[0006.chr('utf-8'), '"\u0006"'],
[0016.chr('utf-8'), '"\u000E"'],
[0017.chr('utf-8'), '"\u000F"'],
[0020.chr('utf-8'), '"\u0010"'],
[0021.chr('utf-8'), '"\u0011"'],
[0022.chr('utf-8'), '"\u0012"'],
[0023.chr('utf-8'), '"\u0013"'],
[0024.chr('utf-8'), '"\u0014"'],
[0025.chr('utf-8'), '"\u0015"'],
[0026.chr('utf-8'), '"\u0016"'],
[0027.chr('utf-8'), '"\u0017"'],
[0030.chr('utf-8'), '"\u0018"'],
[0031.chr('utf-8'), '"\u0019"'],
[0032.chr('utf-8'), '"\u001A"'],
[0034.chr('utf-8'), '"\u001C"'],
[0035.chr('utf-8'), '"\u001D"'],
[0036.chr('utf-8'), '"\u001E"'],
[0037.chr('utf-8'), '"\u001F"'],
[0177.chr('utf-8'), '"\u007F"'],
[0200.chr('utf-8'), '"\u0080"'],
[0201.chr('utf-8'), '"\u0081"'],
[0202.chr('utf-8'), '"\u0082"'],
[0203.chr('utf-8'), '"\u0083"'],
[0204.chr('utf-8'), '"\u0084"'],
[0206.chr('utf-8'), '"\u0086"'],
[0207.chr('utf-8'), '"\u0087"'],
[0210.chr('utf-8'), '"\u0088"'],
[0211.chr('utf-8'), '"\u0089"'],
[0212.chr('utf-8'), '"\u008A"'],
[0213.chr('utf-8'), '"\u008B"'],
[0214.chr('utf-8'), '"\u008C"'],
[0215.chr('utf-8'), '"\u008D"'],
[0216.chr('utf-8'), '"\u008E"'],
[0217.chr('utf-8'), '"\u008F"'],
[0220.chr('utf-8'), '"\u0090"'],
[0221.chr('utf-8'), '"\u0091"'],
[0222.chr('utf-8'), '"\u0092"'],
[0223.chr('utf-8'), '"\u0093"'],
[0224.chr('utf-8'), '"\u0094"'],
[0225.chr('utf-8'), '"\u0095"'],
[0226.chr('utf-8'), '"\u0096"'],
[0227.chr('utf-8'), '"\u0097"'],
[0230.chr('utf-8'), '"\u0098"'],
[0231.chr('utf-8'), '"\u0099"'],
[0232.chr('utf-8'), '"\u009A"'],
[0233.chr('utf-8'), '"\u009B"'],
[0234.chr('utf-8'), '"\u009C"'],
[0235.chr('utf-8'), '"\u009D"'],
[0236.chr('utf-8'), '"\u009E"'],
[0237.chr('utf-8'), '"\u009F"'],
].should be_computed_by(:inspect)
end
it "returns a string with a NUL character replaced by \\u notation" do
0.chr('utf-8').inspect.should == '"\\u0000"'
end
it "returns a string with extended characters for Unicode strings" do
[ [0240.chr('utf-8'), '" "'],
[0241.chr('utf-8'), '"¡"'],
[0242.chr('utf-8'), '"¢"'],
[0243.chr('utf-8'), '"£"'],
[0244.chr('utf-8'), '"¤"'],
[0245.chr('utf-8'), '"¥"'],
[0246.chr('utf-8'), '"¦"'],
[0247.chr('utf-8'), '"§"'],
[0250.chr('utf-8'), '"¨"'],
[0251.chr('utf-8'), '"©"'],
[0252.chr('utf-8'), '"ª"'],
[0253.chr('utf-8'), '"«"'],
[0254.chr('utf-8'), '"¬"'],
[0255.chr('utf-8'), '""'],
[0256.chr('utf-8'), '"®"'],
[0257.chr('utf-8'), '"¯"'],
[0260.chr('utf-8'), '"°"'],
[0261.chr('utf-8'), '"±"'],
[0262.chr('utf-8'), '"²"'],
[0263.chr('utf-8'), '"³"'],
[0264.chr('utf-8'), '"´"'],
[0265.chr('utf-8'), '"µ"'],
[0266.chr('utf-8'), '"¶"'],
[0267.chr('utf-8'), '"·"'],
[0270.chr('utf-8'), '"¸"'],
[0271.chr('utf-8'), '"¹"'],
[0272.chr('utf-8'), '"º"'],
[0273.chr('utf-8'), '"»"'],
[0274.chr('utf-8'), '"¼"'],
[0275.chr('utf-8'), '"½"'],
[0276.chr('utf-8'), '"¾"'],
[0277.chr('utf-8'), '"¿"'],
[0300.chr('utf-8'), '"À"'],
[0301.chr('utf-8'), '"Á"'],
[0302.chr('utf-8'), '"Â"'],
[0303.chr('utf-8'), '"Ã"'],
[0304.chr('utf-8'), '"Ä"'],
[0305.chr('utf-8'), '"Å"'],
[0306.chr('utf-8'), '"Æ"'],
[0307.chr('utf-8'), '"Ç"'],
[0310.chr('utf-8'), '"È"'],
[0311.chr('utf-8'), '"É"'],
[0312.chr('utf-8'), '"Ê"'],
[0313.chr('utf-8'), '"Ë"'],
[0314.chr('utf-8'), '"Ì"'],
[0315.chr('utf-8'), '"Í"'],
[0316.chr('utf-8'), '"Î"'],
[0317.chr('utf-8'), '"Ï"'],
[0320.chr('utf-8'), '"Ð"'],
[0321.chr('utf-8'), '"Ñ"'],
[0322.chr('utf-8'), '"Ò"'],
[0323.chr('utf-8'), '"Ó"'],
[0324.chr('utf-8'), '"Ô"'],
[0325.chr('utf-8'), '"Õ"'],
[0326.chr('utf-8'), '"Ö"'],
[0327.chr('utf-8'), '"×"'],
[0330.chr('utf-8'), '"Ø"'],
[0331.chr('utf-8'), '"Ù"'],
[0332.chr('utf-8'), '"Ú"'],
[0333.chr('utf-8'), '"Û"'],
[0334.chr('utf-8'), '"Ü"'],
[0335.chr('utf-8'), '"Ý"'],
[0336.chr('utf-8'), '"Þ"'],
[0337.chr('utf-8'), '"ß"'],
[0340.chr('utf-8'), '"à"'],
[0341.chr('utf-8'), '"á"'],
[0342.chr('utf-8'), '"â"'],
[0343.chr('utf-8'), '"ã"'],
[0344.chr('utf-8'), '"ä"'],
[0345.chr('utf-8'), '"å"'],
[0346.chr('utf-8'), '"æ"'],
[0347.chr('utf-8'), '"ç"'],
[0350.chr('utf-8'), '"è"'],
[0351.chr('utf-8'), '"é"'],
[0352.chr('utf-8'), '"ê"'],
[0353.chr('utf-8'), '"ë"'],
[0354.chr('utf-8'), '"ì"'],
[0355.chr('utf-8'), '"í"'],
[0356.chr('utf-8'), '"î"'],
[0357.chr('utf-8'), '"ï"'],
[0360.chr('utf-8'), '"ð"'],
[0361.chr('utf-8'), '"ñ"'],
[0362.chr('utf-8'), '"ò"'],
[0363.chr('utf-8'), '"ó"'],
[0364.chr('utf-8'), '"ô"'],
[0365.chr('utf-8'), '"õ"'],
[0366.chr('utf-8'), '"ö"'],
[0367.chr('utf-8'), '"÷"'],
[0370.chr('utf-8'), '"ø"'],
[0371.chr('utf-8'), '"ù"'],
[0372.chr('utf-8'), '"ú"'],
[0373.chr('utf-8'), '"û"'],
[0374.chr('utf-8'), '"ü"'],
[0375.chr('utf-8'), '"ý"'],
[0376.chr('utf-8'), '"þ"'],
[0377.chr('utf-8'), '"ÿ"']
].should be_computed_by(:inspect)
end
end
end