1 files changed, 492 insertions, 0 deletions
diff --git a/spec/rubyspec/core/string/inspect_spec.rb b/spec/rubyspec/core/string/inspect_spec.rb
new file mode 100644
index 0000000000..a3e18c0ee3
--- /dev/null
+++ b/spec/rubyspec/core/string/inspect_spec.rb
@@ -0,0 +1,492 @@
+# -*- 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