+PACK_IS_LITTLE_ENDIAN = "\x01\00".unpack('S')[0] == 0x01
+
+def assert_pack tmpl, packed, unpacked
+ t = tmpl.inspect
+ assert "assert_pack" do
+ assert_equal packed, unpacked.pack(tmpl), "#{unpacked.inspect}.pack(#{t})"
+ assert_equal unpacked, packed.unpack(tmpl), "#{packed.inspect}.unpack(#{t})"
+ end
+end
+
# pack & unpack 'm' (base64)
assert('[""].pack("m")') do
- ary = ""
- str = ""
- [ary].pack("m") == str and
- str.unpack("m") == [ary]
+ assert_pack "m", "", [""]
end
assert('["\0"].pack("m")') do
- ary = "\0"
- str = "AA==\n"
- [ary].pack("m") == str and
- str.unpack("m") == [ary]
+ assert_pack "m", "AA==\n", ["\0"]
end
assert('["\0\0"].pack("m")') do
- ary = "\0\0"
- str = "AAA=\n"
- [ary].pack("m") == str and
- str.unpack("m") == [ary]
+ assert_pack "m", "AAA=\n", ["\0\0"]
end
assert('["\0\0\0"].pack("m")') do
- ary = "\0\0\0"
- str = "AAAA\n"
- [ary].pack("m") == str and
- str.unpack("m") == [ary]
+ assert_pack "m", "AAAA\n", ["\0\0\0"]
end
assert('["abc..xyzABC..XYZ"].pack("m")') do
- ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"].pack("m") == "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJT\nVFVWV1hZWg==\n"
+ assert_pack "m", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJT\nVFVWV1hZWg==\n", ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"]
end
assert('"YWJ...".unpack("m") should "abc..xyzABC..XYZ"') do
- str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJT\nVFVWV1hZWg==\n".unpack("m") == [str] and
- "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWg==\n".unpack("m") == [str]
+ ary = ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"]
+ assert_equal ary, "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJT\nVFVWV1hZWg==\n".unpack("m")
+ assert_equal ary, "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWg==\n".unpack("m")
+end
+
+assert('["A", "B"].pack') do
+ assert_equal "QQ==\n", ["A", "B"].pack("m50")
+ assert_equal ["A"], "QQ==\n".unpack("m50")
+ assert_equal "QQ==Qg==", ["A", "B"].pack("m0 m0")
+ assert_equal ["A", "B"], "QQ==Qg==".unpack("m10 m10")
+end
+
+assert('["abc..xyzABC..XYZ"].pack("m0")') do
+ assert_pack "m0", "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWg==", ["abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"]
end
# pack & unpack 'H'
assert('["3031"].pack("H*")') do
- ary = "3031"
- str = "01"
- [ary].pack("H*") == str and
- str.unpack("H*") == [ary]
+ assert_pack "H*", "01", ["3031"]
end
assert('["10"].pack("H*")') do
- ary = "10"
- str = "\020"
- [ary].pack("H*") == str and
- str.unpack("H*") == [ary]
+ assert_pack "H*", "\020", ["10"]
end
assert('[0,1,127,128,255].pack("C*")') do
- ary = [ 0, 1, 127, 128, 255 ]
- str = "\x00\x01\x7F\x80\xFF"
- ary.pack("C*") == str and str.unpack("C*") == ary
+ assert_pack "C*", "\x00\x01\x7F\x80\xFF", [0, 1, 127, 128, 255]
end
# pack "a"
assert('["abc"].pack("a")') do
- ["abc"].pack("a") == "a" and
- ["abc"].pack("a*") == "abc" and
- ["abc"].pack("a4") == "abc\0"
+ assert_equal "a", ["abc"].pack("a")
+ assert_equal "abc", ["abc"].pack("a*")
+ assert_equal "abc\0", ["abc"].pack("a4")
end
# upack "a"
assert('["abc"].pack("a")') do
- "abc\0".unpack("a4") == ["abc\0"] and
- "abc ".unpack("a4") == ["abc "]
+ assert_equal ["abc\0"], "abc\0".unpack("a4")
+ assert_equal ["abc "], "abc ".unpack("a4")
end
# pack "A"
assert('["abc"].pack("A")') do
- ["abc"].pack("A") == "a" and
- ["abc"].pack("A*") == "abc" and
- ["abc"].pack("A4") == "abc "
+ assert_equal "a", ["abc"].pack("A")
+ assert_equal "abc", ["abc"].pack("A*")
+ assert_equal "abc ", ["abc"].pack("A4")
end
# upack "A"
assert('["abc"].pack("A")') do
- "abc\0".unpack("A4") == ["abc"] and
- "abc ".unpack("A4") == ["abc"]
+ assert_equal ["abc"], "abc\0".unpack("A4")
+ assert_equal ["abc"], "abc ".unpack("A4")
end
# regression tests
assert('issue #1') do
- [1, 2].pack("nn") == "\000\001\000\002"
+ assert_equal "\000\001\000\002", [1, 2].pack("nn")
end
-def assert_pack tmpl, packed, unpacked
- assert_equal packed, unpacked.pack(tmpl)
- assert_equal unpacked, packed.unpack(tmpl)
-end
-
-PACK_IS_LITTLE_ENDIAN = "\x01\00".unpack('S')[0] == 0x01
-
assert 'pack float' do
assert_pack 'e', "\x00\x00@@", [3.0]
assert_pack 'g', "@@\x00\x00", [3.0]