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Diffstat (limited to 'spec/ruby/core/string/dump_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/dump_spec.rb | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/spec/ruby/core/string/dump_spec.rb b/spec/ruby/core/string/dump_spec.rb new file mode 100644 index 0000000000..176be79db2 --- /dev/null +++ b/spec/ruby/core/string/dump_spec.rb @@ -0,0 +1,396 @@ +# -*- encoding: utf-8 -*- +require_relative '../../spec_helper' +require_relative 'fixtures/classes' + +describe "String#dump" do + it "does not take into account if a string is frozen" do + "foo".freeze.dump.should_not.frozen? + end + + it "returns a String instance" do + StringSpecs::MyString.new.dump.should.instance_of?(String) + 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 less than or equal 0xFFFF replaced by \\uXXXX 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"'], + [0177777.chr('utf-8'), '"\uFFFF"'], + ].should be_computed_by(:dump) + end + + it "returns a string with multi-byte UTF-8 characters greater than 0xFFFF replaced by \\u{XXXXXX} notation with upper-case hex digits" do + 0x10000.chr('utf-8').dump.should == '"\u{10000}"' + 0x10FFFF.chr('utf-8').dump.should == '"\u{10FFFF}"' + 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 "returns a String in the same encoding as self" 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 |