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ruby--ruby/spec/ruby/core/string/dump_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#dump" do
ruby_version_is ''...'2.7' do
it "taints the result if self is tainted" do
"foo".taint.dump.should.tainted?
"foo\n".taint.dump.should.tainted?
end
it "untrusts the result if self is untrusted" do
"foo".untrust.dump.should.untrusted?
"foo\n".untrust.dump.should.untrusted?
end
end
it "does not take into account if a string is frozen" do
"foo".freeze.dump.should_not.frozen?
end
it "returns a subclass instance" do
StringSpecs::MyString.new.dump.should be_an_instance_of(StringSpecs::MyString)
end
it "wraps string with \"" do
"foo".dump.should == '"foo"'
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(:dump)
end
it "returns a string with \" and \\ escaped with a backslash" do
[ ["\"", '"\\""'],
["\\", '"\\\\"']
].should be_computed_by(:dump)
end
it "returns a string with \\#<char> when # is followed by $, @, @@, {" do
[ ["\#$PATH", '"\\#$PATH"'],
["\#@a", '"\\#@a"'],
["\#@@a", '"\\#@@a"'],
["\#{a}", '"\\#{a}"']
].should be_computed_by(:dump)
end
it "returns a string with # not escaped when followed by any other character" do
[ ["#", '"#"'],
["#1", '"#1"']
].should be_computed_by(:dump)
end
it "returns a string with printable non-alphanumeric characters unescaped" do
[ [" ", '" "'],
["!", '"!"'],
["$", '"$"'],
["%", '"%"'],
["&", '"&"'],
["'", '"\'"'],
["(", '"("'],
[")", '")"'],
["*", '"*"'],
["+", '"+"'],
[",", '","'],
["-", '"-"'],
[".", '"."'],
["/", '"/"'],
[":", '":"'],
[";", '";"'],
["<", '"<"'],
["=", '"="'],
[">", '">"'],
["?", '"?"'],
["@", '"@"'],
["[", '"["'],
["]", '"]"'],
["^", '"^"'],
["_", '"_"'],
["`", '"`"'],
["{", '"{"'],
["|", '"|"'],
["}", '"}"'],
["~", '"~"']
].should be_computed_by(:dump)
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(:dump)
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(:dump)
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(:dump)
end
it "returns a string with non-printing ASCII characters replaced by \\x notation" do
# Avoid the file encoding by computing the string with #chr.
[ [0000.chr, '"\\x00"'],
[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(:dump)
end
it "returns a string with non-printing single-byte UTF-8 characters replaced by \\x notation" do
[ [0000.chr('utf-8'), '"\x00"'],
[0001.chr('utf-8'), '"\x01"'],
[0002.chr('utf-8'), '"\x02"'],
[0003.chr('utf-8'), '"\x03"'],
[0004.chr('utf-8'), '"\x04"'],
[0005.chr('utf-8'), '"\x05"'],
[0006.chr('utf-8'), '"\x06"'],
[0016.chr('utf-8'), '"\x0E"'],
[0017.chr('utf-8'), '"\x0F"'],
[0020.chr('utf-8'), '"\x10"'],
[0021.chr('utf-8'), '"\x11"'],
[0022.chr('utf-8'), '"\x12"'],
[0023.chr('utf-8'), '"\x13"'],
[0024.chr('utf-8'), '"\x14"'],
[0025.chr('utf-8'), '"\x15"'],
[0026.chr('utf-8'), '"\x16"'],
[0027.chr('utf-8'), '"\x17"'],
[0030.chr('utf-8'), '"\x18"'],
[0031.chr('utf-8'), '"\x19"'],
[0032.chr('utf-8'), '"\x1A"'],
[0034.chr('utf-8'), '"\x1C"'],
[0035.chr('utf-8'), '"\x1D"'],
[0036.chr('utf-8'), '"\x1E"'],
[0037.chr('utf-8'), '"\x1F"'],
[0177.chr('utf-8'), '"\x7F"']
].should be_computed_by(:dump)
end
it "returns a string with multi-byte UTF-8 characters replaced by \\u{} notation with upper-case hex digits" do
[ [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(:dump)
end
it "includes .force_encoding(name) if the encoding isn't ASCII compatible" do
"\u{876}".encode('utf-16be').dump.should.end_with?(".force_encoding(\"UTF-16BE\")")
"\u{876}".encode('utf-16le').dump.should.end_with?(".force_encoding(\"UTF-16LE\")")
end
it "keeps origin encoding" do
"foo".encode("ISO-8859-1").dump.encoding.should == Encoding::ISO_8859_1
"foo".encode('windows-1251').dump.encoding.should == Encoding::Windows_1251
1.chr.dump.encoding.should == Encoding::US_ASCII
end
end
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