test suite for pack/unpack.

packtest.rb

@@ -0,0 +1,143 @@
+# encoding: ascii
+
+# a = Array, s = String, t = Template
+
+def packtest(a, s, t)
+  begin
+    r = a.pack(t)
+    return if r == s
+    puts "#{a.inspect}.pack(#{t.inspect}) -> #{r.inspect} should be #{s.inspect}"
+  rescue => r
+    unless r.is_a? s
+      puts "#{a.inspect}.pack(#{t.inspect}) -> #{r.inspect} should be #{s.inspect}"
+    end
+  end
+end
+
+def unpacktest(a, s, t)
+  r = s.unpack(t)
+  return if r == a
+  puts "#{s.inspect}.unpack(#{t.inspect}) -> #{r.inspect} should be #{a.inspect}"
+end
+
+def pptest(a, s, t)
+  packtest(a, s, t)
+  unpacktest(a, s, t)
+end
+
+pptest [1], "\x01", "C"
+
+packtest [1.1], "\x01", "C"
+packtest [-1], "\xff", "C"
+packtest [1,2], "\x01\x02", "C2"
+#packtest [1], "X", ArgumentError
+
+unpacktest [48, nil], "0", "CC"
+unpacktest [160, -96], "\xa0\xa0", "Cc"
+unpacktest [49, 50, 51], "123", "C*"
+
+pptest [12849], "12", "S"
+unpacktest [nil], "0", "S"
+unpacktest [12849, nil], "123", "SS"
+unpacktest [12849], "123", "S*"
+
+pptest [10000], "\x27\x10", "s>"
+pptest [-10000], "\xd8\xf0", "s>"
+pptest [50000], "\xc3\x50", "S>"
+
+pptest [10000], "\x10\x27", "s<"
+pptest [-10000], "\xf0\xd8", "s<"
+pptest [50000], "\x50\xc3", "S<"
+
+pptest [1000000000], "\x3b\x9a\xca\x00", "l>"
+pptest [-1000000000], "\xc4\x65\x36\x00", "l>"
+
+pptest [1], "\x01\x00\x00\x00", "L<"
+pptest [258], "\x02\x01\x00\x00", "L<"
+pptest [66051], "\x03\x02\x01\x00", "L<"
+pptest [16909060], "\x04\x03\x02\x01", "L<"
+pptest [16909060], "\x01\x02\x03\x04", "L>"
+
+packtest [-1], "\xff\xff\xff\xff", "L<"
+
+pptest [16909060], "\x01\x02\x03\x04", "N"
+pptest [258], "\x01\x02", "n"
+pptest [32769], "\x80\x01", "n"
+
+pptest [16909060], "\x04\x03\x02\x01", "V"
+pptest [258], "\x02\x01", "v"
+
+packtest [""], "", "m"
+packtest ["a"], "YQ==\n", "m"
+packtest ["ab"], "YWI=\n", "m"
+packtest ["abc"], "YWJj\n", "m"
+packtest ["abcd"], "YWJjZA==\n", "m"
+
+unpacktest [""], "", "m"
+unpacktest ["a"], "YQ==\n", "m"
+unpacktest ["ab"], "YWI=\n", "m"
+unpacktest ["abc"], "YWJj\n", "m"
+unpacktest ["abcd"], "YWJjZA==\n", "m"
+
+packtest [""], "\0", "H"
+packtest ["3"], "0", "H"
+packtest ["34"], "", "H0"
+packtest ["34"], "0", "H"
+packtest ["34"], "4", "H2"
+packtest ["34"], "4\0", "H3"
+packtest ["3456"], "4P", "H3"
+packtest ["34563"], "4V0", "H*"
+packtest ["5a"], "Z", "H*"
+packtest ["5A"], "Z", "H*"
+
+unpacktest [""], "", "H"
+unpacktest [""], "0", "H0"
+unpacktest ["3"], "0", "H"
+unpacktest ["30"], "0", "H2"
+unpacktest ["30"], "0", "H3"
+unpacktest ["303"], "01", "H3"
+unpacktest ["303132"], "012", "H*"
+unpacktest ["3031", 50], "012", "H4C"
+unpacktest ["5a"], "Z", "H*"
+
+packtest [""], "\0", "h"
+packtest ["3"], "\03", "h"
+packtest ["34"], "", "h0"
+packtest ["34"], "\03", "h"
+packtest ["34"], "C", "h2"
+packtest ["34"], "C\0", "h3"
+packtest ["3456"], "C\05", "h3"
+packtest ["34563"], "Ce\03", "h*"
+
+packtest   [""],    " ",   "A"
+unpacktest [""],    "",    "A"
+pptest     ["1"],   "1",   "A"
+pptest     ["1"],   "1 ",  "A2"
+unpacktest ["1"],   "1",   "A2"
+unpacktest ["1"],   "1 ",  "A2"
+unpacktest ["1"],   "1\0", "A2"
+packtest   ["12"],  "1",   "A"
+unpacktest ["1"],   "12",  "A"
+pptest     ["123"], "123", "A*"
+packtest   ["1","2"], "2", "A0A"
+unpacktest ["","2"],  "2", "A0A"
+
+packtest   [""],    "\0",  "a"
+unpacktest [""],    "",    "a"
+pptest     ["1"],   "1",   "a"
+pptest     ["1 "],  "1 ",  "a2"
+pptest     ["1\0"], "1\0", "a2"
+packtest   ["1"],   "1\0", "a2"
+pptest     ["123"], "123", "a*"
+
+packtest   [""],    "\0",    "Z"
+unpacktest [""],    "",      "Z"
+pptest     ["1"],   "1",     "Z"
+pptest     ["1"],   "1\0",   "Z2"
+pptest     ["1 "],  "1 ",    "Z2"
+pptest     ["123"], "123\0", "Z*"
+pptest     ["1","2"], "12",      "ZZ"
+pptest     ["1","2"], "1\0002",  "Z*Z"
+unpacktest ["1","3"], "1\00023", "Z3Z"
+
+packtest   [1, 2], "\x01\x02", "CyC"