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ruby--ruby/spec/ruby/core/string/inspect_spec.rb
Benoit Daloze 5aaa75e7c1 Update to ruby/spec@032ee74
2020-05-03 12:28:29 +02:00

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# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "String#inspect" do
ruby_version_is ''...'2.7' do
it "taints the result if self is tainted" do
"foo".taint.inspect.should.tainted?
"foo\n".taint.inspect.should.tainted?
end
it "untrusts the result if self is untrusted" do
"foo".untrust.inspect.should.untrusted?
"foo\n".untrust.inspect.should.untrusted?
end
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
it "uses \\x notation for broken UTF-8 sequences" do
"\xF0\x9F".inspect.should == '"\\xF0\\x9F"'
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
describe "when the string's encoding is different than the result's encoding" do
describe "and the string's encoding is ASCII-compatible but the characters are non-ASCII" do
it "returns a string with the non-ASCII characters replaced by \\x notation" do
"\u{3042}".encode("EUC-JP").inspect.should == '"\\x{A4A2}"'
end
end
end
end
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