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authormame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-01-31 14:08:14 +0000
committermame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-01-31 14:08:14 +0000
commit9a5fd6098d6185b8f415be06cb3af11dd29c7363 (patch)
treec6e5cd284fd36b055042c0776113e30df6a0aeda /test/ruby/test_pack.rb
parentaa7c6a538e299577f75fcd6697b6af23d4ea99d5 (diff)
* test/ruby/test_bignum.rb: suppress warnings during test.
* test/ruby/test_enum.rb: ditto. * test/ruby/test_integer.rb: add tests to achieve over 90% test coverage of numeric.c. * test/ruby/test_float.rb: ditto. * test/ruby/test_fixnum.rb: ditto. * test/ruby/test_numeric.rb: ditto. * test/ruby/test_pack.rb: add tests to achieve over 90% test coverage of pack.c. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15360 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_pack.rb')
-rw-r--r--test/ruby/test_pack.rb360
1 files changed, 360 insertions, 0 deletions
diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb
index f78c48dee6..e6e2c28a5c 100644
--- a/test/ruby/test_pack.rb
+++ b/test/ruby/test_pack.rb
@@ -71,4 +71,364 @@ class TestPack < Test::Unit::TestCase
assert_equal a[0], a.pack("p").unpack("p")[0]
assert_equal a, a.pack("p").freeze.unpack("p*")
end
+
+ def test_format_string_modified
+ fmt = "CC"
+ o = Object.new
+ class << o; self; end.class_eval do
+ define_method(:to_int) { fmt.clear; 0 }
+ end
+ assert_raise(RuntimeError) do
+ [o, o].pack(fmt)
+ end
+ end
+
+ def test_comment
+ assert_equal("\0\1", [0,1].pack(" C #foo \n C "))
+ assert_equal([0,1], "\0\1".unpack(" C #foo \n C "))
+ end
+
+ def test_illegal_bang
+ assert_raise(ArgumentError) { [].pack("a!") }
+ assert_raise(ArgumentError) { "".unpack("a!") }
+ end
+
+ def test_pack_unpack_aA
+ assert_equal("f", ["foo"].pack("A"))
+ assert_equal("f", ["foo"].pack("a"))
+ assert_equal("foo", ["foo"].pack("A*"))
+ assert_equal("foo", ["foo"].pack("a*"))
+ assert_equal("fo", ["foo"].pack("A2"))
+ assert_equal("fo", ["foo"].pack("a2"))
+ assert_equal("foo ", ["foo"].pack("A4"))
+ assert_equal("foo\0", ["foo"].pack("a4"))
+ assert_equal(" ", [nil].pack("A"))
+ assert_equal("\0", [nil].pack("a"))
+ assert_equal("", [nil].pack("A*"))
+ assert_equal("", [nil].pack("a*"))
+ assert_equal(" ", [nil].pack("A2"))
+ assert_equal("\0\0", [nil].pack("a2"))
+
+ assert_equal("foo" + "\0" * 27, ["foo"].pack("a30"))
+
+ assert_equal(["f"], "foo\0".unpack("A"))
+ assert_equal(["f"], "foo\0".unpack("a"))
+ assert_equal(["foo"], "foo\0".unpack("A4"))
+ assert_equal(["foo\0"], "foo\0".unpack("a4"))
+ assert_equal(["foo"], "foo ".unpack("A4"))
+ assert_equal(["foo "], "foo ".unpack("a4"))
+ assert_equal(["foo"], "foo".unpack("A4"))
+ assert_equal(["foo"], "foo".unpack("a4"))
+ end
+
+ def test_pack_unpack_Z
+ assert_equal("f", ["foo"].pack("Z"))
+ assert_equal("foo\0", ["foo"].pack("Z*"))
+ assert_equal("fo", ["foo"].pack("Z2"))
+ assert_equal("foo\0\0", ["foo"].pack("Z5"))
+ assert_equal("\0", [nil].pack("Z"))
+ assert_equal("\0", [nil].pack("Z*"))
+ assert_equal("\0\0", [nil].pack("Z2"))
+
+ assert_equal(["f"], "foo\0".unpack("Z"))
+ assert_equal(["foo"], "foo".unpack("Z*"))
+ assert_equal(["foo"], "foo\0".unpack("Z*"))
+ assert_equal(["foo"], "foo".unpack("Z5"))
+ end
+
+ def test_pack_unpack_bB
+ assert_equal("\xff\x00", ["1111111100000000"].pack("b*"))
+ assert_equal("\x01\x02", ["1000000001000000"].pack("b*"))
+ assert_equal("", ["1"].pack("b0"))
+ assert_equal("\x01", ["1"].pack("b1"))
+ assert_equal("\x01\x00", ["1"].pack("b2"))
+ assert_equal("\x01\x00", ["1"].pack("b3"))
+ assert_equal("\x01\x00\x00", ["1"].pack("b4"))
+ assert_equal("\x01\x00\x00", ["1"].pack("b5"))
+ assert_equal("\x01\x00\x00\x00", ["1"].pack("b6"))
+
+ assert_equal("\xff\x00", ["1111111100000000"].pack("B*"))
+ assert_equal("\x01\x02", ["0000000100000010"].pack("B*"))
+ assert_equal("", ["1"].pack("B0"))
+ assert_equal("\x80", ["1"].pack("B1"))
+ assert_equal("\x80\x00", ["1"].pack("B2"))
+ assert_equal("\x80\x00", ["1"].pack("B3"))
+ assert_equal("\x80\x00\x00", ["1"].pack("B4"))
+ assert_equal("\x80\x00\x00", ["1"].pack("B5"))
+ assert_equal("\x80\x00\x00\x00", ["1"].pack("B6"))
+
+ assert_equal(["1111111100000000"], "\xff\x00".unpack("b*"))
+ assert_equal(["1000000001000000"], "\x01\x02".unpack("b*"))
+ assert_equal([""], "".unpack("b0"))
+ assert_equal(["1"], "\x01".unpack("b1"))
+ assert_equal(["10"], "\x01".unpack("b2"))
+ assert_equal(["100"], "\x01".unpack("b3"))
+
+ assert_equal(["1111111100000000"], "\xff\x00".unpack("B*"))
+ assert_equal(["0000000100000010"], "\x01\x02".unpack("B*"))
+ assert_equal([""], "".unpack("B0"))
+ assert_equal(["1"], "\x80".unpack("B1"))
+ assert_equal(["10"], "\x80".unpack("B2"))
+ assert_equal(["100"], "\x80".unpack("B3"))
+ end
+
+ def test_pack_unpack_hH
+ assert_equal("\x01\xfe", ["10ef"].pack("h*"))
+ assert_equal("", ["10ef"].pack("h0"))
+ assert_equal("\x01\x0e", ["10ef"].pack("h3"))
+ assert_equal("\x01\xfe\x0", ["10ef"].pack("h5"))
+
+ assert_equal("\x10\xef", ["10ef"].pack("H*"))
+ assert_equal("", ["10ef"].pack("H0"))
+ assert_equal("\x10\xe0", ["10ef"].pack("H3"))
+ assert_equal("\x10\xef\x0", ["10ef"].pack("H5"))
+
+ assert_equal(["10ef"], "\x01\xfe".unpack("h*"))
+ assert_equal([""], "\x01\xfe".unpack("h0"))
+ assert_equal(["1"], "\x01\xfe".unpack("h1"))
+ assert_equal(["10"], "\x01\xfe".unpack("h2"))
+ assert_equal(["10e"], "\x01\xfe".unpack("h3"))
+ assert_equal(["10ef"], "\x01\xfe".unpack("h4"))
+ assert_equal(["10ef"], "\x01\xfe".unpack("h5"))
+
+ assert_equal(["10ef"], "\x10\xef".unpack("H*"))
+ assert_equal([""], "\x10\xef".unpack("H0"))
+ assert_equal(["1"], "\x10\xef".unpack("H1"))
+ assert_equal(["10"], "\x10\xef".unpack("H2"))
+ assert_equal(["10e"], "\x10\xef".unpack("H3"))
+ assert_equal(["10ef"], "\x10\xef".unpack("H4"))
+ assert_equal(["10ef"], "\x10\xef".unpack("H5"))
+ end
+
+ def test_pack_unpack_cC
+ assert_equal("\0\1\xff", [0, 1, 255].pack("c*"))
+ assert_equal("\0\1\xff", [0, 1, -1].pack("c*"))
+
+ assert_equal("\0\1\xff", [0, 1, 255].pack("C*"))
+ assert_equal("\0\1\xff", [0, 1, -1].pack("C*"))
+
+ assert_equal([0, 1, -1], "\0\1\xff".unpack("c*"))
+
+ assert_equal([0, 1, 255], "\0\1\xff".unpack("C*"))
+ end
+
+ def test_pack_unpack_sS
+ s1 = [513, -514].pack("s*")
+ s2 = [513, 65022].pack("S*")
+ assert_equal(s1, s2)
+ assert_equal([513, -514], s2.unpack("s*"))
+ assert_equal([513, 65022], s1.unpack("S*"))
+
+ s1 = [513, -514].pack("s!*")
+ s2 = [513, 65022].pack("S!*")
+ assert_equal(s1, s2)
+ assert_equal([513, -514], s2.unpack("s!*"))
+ assert_equal([513, 65022], s1.unpack("S!*"))
+ end
+
+ def test_pack_unpack_iI
+ s1 = [67305985, -50462977].pack("i*")
+ s2 = [67305985, 4244504319].pack("I*")
+ assert_equal(s1, s2)
+ assert_equal([67305985, -50462977], s2.unpack("i*"))
+ assert_equal([67305985, 4244504319], s1.unpack("I*"))
+
+ s1 = [67305985, -50462977].pack("i!*")
+ s2 = [67305985, 4244504319].pack("I!*")
+ assert_equal(s1, s2)
+ assert_equal([67305985, -50462977], s2.unpack("i!*"))
+ assert_equal([67305985, 4244504319], s1.unpack("I!*"))
+ end
+
+ def test_pack_unpack_lL
+ s1 = [67305985, -50462977].pack("l*")
+ s2 = [67305985, 4244504319].pack("L*")
+ assert_equal(s1, s2)
+ assert_equal([67305985, -50462977], s2.unpack("l*"))
+ assert_equal([67305985, 4244504319], s1.unpack("L*"))
+
+ s1 = [67305985, -50462977].pack("l!*")
+ s2 = [67305985, 4244504319].pack("L!*")
+ assert_equal(s1, s2)
+ assert_equal([67305985, -50462977], s2.unpack("l!*"))
+ assert_equal([67305985, 4244504319], s1.unpack("L!*"))
+ end
+
+ def test_pack_unpack_qQ
+ s1 = [578437695752307201, -506097522914230529].pack("q*")
+ s2 = [578437695752307201, 17940646550795321087].pack("Q*")
+ assert_equal(s1, s2)
+ assert_equal([578437695752307201, -506097522914230529], s2.unpack("q*"))
+ assert_equal([578437695752307201, 17940646550795321087], s1.unpack("Q*"))
+ end
+
+ def test_pack_unpack_nN
+ assert_equal("\000\000\000\001\377\377\177\377\200\000\377\377", [0,1,-1,32767,-32768,65535].pack("n*"))
+ assert_equal("\000\000\000\000\000\000\000\001\377\377\377\377", [0,1,-1].pack("N*"))
+
+ assert_equal([0,1,65535,32767,32768,65535], "\000\000\000\001\377\377\177\377\200\000\377\377".unpack("n*"))
+ assert_equal([0,1,4294967295], "\000\000\000\000\000\000\000\001\377\377\377\377".unpack("N*"))
+ end
+
+ def test_pack_unpack_vV
+ assert_equal("\000\000\001\000\377\377\377\177\000\200\377\377", [0,1,-1,32767,-32768,65535].pack("v*"))
+ assert_equal("\000\000\000\000\001\000\000\000\377\377\377\377", [0,1,-1].pack("V*"))
+
+ assert_equal([0,1,65535,32767,32768,65535], "\000\000\001\000\377\377\377\177\000\200\377\377".unpack("v*"))
+ assert_equal([0,1,4294967295], "\000\000\000\000\001\000\000\000\377\377\377\377".unpack("V*"))
+ end
+
+ def test_pack_unpack_fdeEgG
+ inf = 1.0/0.0
+ nan = inf/inf
+ [0.0, 1.0, 3.0, inf, -inf, nan].each do |x|
+ %w(f d e E g G).each do |f|
+ v = [x].pack(f).unpack(f)
+ if x.nan?
+ assert(v.first.nan?)
+ else
+ assert_equal([x], v)
+ end
+ end
+ end
+ end
+
+ def test_pack_unpack_x
+ assert_equal("", [].pack("x0"))
+ assert_equal("\0", [].pack("x"))
+ assert_equal("\0" * 30, [].pack("x30"))
+
+ assert_equal([0, 2], "\x00\x00\x02".unpack("CxC"))
+ assert_raise(ArgumentError) { "".unpack("x") }
+ end
+
+ def test_pack_unpack_X
+ assert_equal("\x00\x02", [0, 1, 2].pack("CCXC"))
+ assert_equal("\x02", [0, 1, 2].pack("CCX2C"))
+ assert_raise(ArgumentError) { [].pack("X") }
+
+ assert_equal([0, 2, 2], "\x00\x02".unpack("CCXC"))
+ assert_raise(ArgumentError) { "".unpack("X") }
+ end
+
+ def test_pack_unpack_atmark
+ assert_equal("\x01\x00\x00\x02", [1, 2].pack("C@3C"))
+ assert_equal("\x02", [1, 2].pack("C@0C"))
+ assert_equal("\x01\x02", [1, 2].pack("C@1C"))
+
+ assert_equal([1, 2], "\x01\x00\x00\x02".unpack("C@3C"))
+ assert_equal([nil], "\x00".unpack("@1C")) # is it OK?
+ assert_raise(ArgumentError) { "\x00".unpack("@2C") }
+ end
+
+ def test_pack_unpack_percent
+ assert_raise(ArgumentError) { [].pack("%") }
+ assert_raise(ArgumentError) { "".unpack("%") }
+ end
+
+ def test_pack_unpack_U
+ assert_equal([0], [0].pack("U").unpack("U"))
+ assert_equal([0x80], [0x80].pack("U").unpack("U"))
+ assert_equal([0x800], [0x800].pack("U").unpack("U"))
+ assert_equal([0x10000], [0x10000].pack("U").unpack("U"))
+ assert_equal([0x400000], [0x400000].pack("U").unpack("U"))
+
+ assert_raise(ArgumentError) { "\x80".unpack("U") }
+ assert_raise(ArgumentError) { "\xff".unpack("U") }
+ assert_raise(ArgumentError) { "\xfc\x00".unpack("U") }
+ assert_raise(ArgumentError) { "\xc0\xc0".unpack("U") }
+ assert_raise(ArgumentError) { "\xe0\x80\x80".unpack("U") }
+ end
+
+ def test_pack_unpack_u
+ assert_equal("", [""].pack("u"))
+ assert_equal("!80``\n", ["a"].pack("u"))
+ assert_equal("#86)C\n", ["abc"].pack("u"))
+ assert_equal("$86)C9```\n", ["abcd"].pack("u"))
+ assert_equal("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n", ["a"*45].pack("u"))
+ assert_equal("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n", ["a"*46].pack("u"))
+ assert_equal("&86)C9&5F\n#9VAI\n", ["abcdefghi"].pack("u6"))
+
+ assert_equal([""], "".unpack("u"))
+ assert_equal(["a"], "!80``\n".unpack("u"))
+ assert_equal(["abc"], "#86)C\n".unpack("u"))
+ assert_equal(["abcd"], "$86)C9```\n".unpack("u"))
+ assert_equal(["a"*45], "M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n".unpack("u"))
+ assert_equal(["a"*46], "M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n".unpack("u"))
+ assert_equal(["abcdefghi"], "&86)C9&5F\n#9VAI\n".unpack("u"))
+
+ assert_equal(["\x00"], "\"\n".unpack("u"))
+ assert_equal(["\x00"], "! \r \n".unpack("u"))
+ end
+
+ def test_pack_unpack_m
+ assert_equal("", [""].pack("m"))
+ assert_equal("AA==\n", ["\0"].pack("m"))
+ assert_equal("AAA=\n", ["\0\0"].pack("m"))
+ assert_equal("AAAA\n", ["\0\0\0"].pack("m"))
+ assert_equal("/w==\n", ["\377"].pack("m"))
+ assert_equal("//8=\n", ["\377\377"].pack("m"))
+ assert_equal("////\n", ["\377\377\377"].pack("m"))
+
+ assert_equal([""], "".unpack("m"))
+ assert_equal(["\0"], "AA==\n".unpack("m"))
+ assert_equal(["\0\0"], "AAA=\n".unpack("m"))
+ assert_equal(["\0\0\0"], "AAAA\n".unpack("m"))
+ assert_equal(["\377"], "/w==\n".unpack("m"))
+ assert_equal(["\377\377"], "//8=\n".unpack("m"))
+ assert_equal(["\377\377\377"], "////\n".unpack("m"))
+ end
+
+ def test_pack_unpack_M
+ assert_equal("a b c\td =\n\ne=\n", ["a b c\td \ne"].pack("M"))
+ assert_equal(["a b c\td \ne"], "a b c\td =\n\ne=\n".unpack("M"))
+ assert_equal("=00=\n", ["\0"].pack("M"))
+ assert_equal("a"*73+"=\na=\n", ["a"*74].pack("M"))
+ assert_equal(("a"*73+"=\n")*14+"a=\n", ["a"*1023].pack("M"))
+ assert_equal(["\0"], "=00=\n".unpack("M"))
+ assert_equal(["a"*74], ("a"*73+"=\na=\n").unpack("M"))
+ assert_equal(["a"*1023], (("a"*73+"=\n")*14+"a=\n").unpack("M"))
+ assert_equal(["\x0a"], "=0a=\n".unpack("M"))
+ assert_equal(["\x0a"], "=0A=\n".unpack("M"))
+ assert_equal([""], "=0Z=\n".unpack("M"))
+ assert_equal([""], "=\r\n".unpack("M"))
+ end
+
+ def test_pack_unpack_P2
+ assert_raise(ArgumentError) { ["abc"].pack("P4") }
+ assert_raise(ArgumentError) { [""].pack("P") }
+
+ assert_equal([], ".".unpack("P"))
+ assert_equal([], ".".unpack("p"))
+ assert_equal([nil], ("\0" * 1024).unpack("P"))
+ end
+
+ def test_pack_p2
+ assert([nil].pack("p") =~ /\A\0*\Z/)
+ end
+
+ def test_pack_unpack_w
+ assert_equal("\000", [0].pack("w"))
+ assert_equal("\001", [1].pack("w"))
+ assert_equal("\177", [127].pack("w"))
+ assert_equal("\201\000", [128].pack("w"))
+ assert_equal("\377\177", [0x3fff].pack("w"))
+ assert_equal("\201\200\000", [0x4000].pack("w"))
+ assert_equal("\203\377\377\377\177", [0x3fffffff].pack("w"))
+ assert_equal("\204\200\200\200\000", [0x40000000].pack("w"))
+ assert_equal("\217\377\377\377\177", [0xffffffff].pack("w"))
+ assert_equal("\220\200\200\200\000", [0x100000000].pack("w"))
+ assert_raise(ArgumentError) { [-1].pack("w") }
+
+ assert_equal([0], "\000".unpack("w"))
+ assert_equal([1], "\001".unpack("w"), [1])
+ assert_equal([127], "\177".unpack("w"), [127])
+ assert_equal([128], "\201\000".unpack("w"), [128])
+ assert_equal([0x3fff], "\377\177".unpack("w"), [0x3fff])
+ assert_equal([0x4000], "\201\200\000".unpack("w"), [0x4000])
+ assert_equal([0x3fffffff], "\203\377\377\377\177".unpack("w"), [0x3fffffff])
+ assert_equal([0x40000000], "\204\200\200\200\000".unpack("w"), [0x40000000])
+ assert_equal([0xffffffff], "\217\377\377\377\177".unpack("w"), [0xffffffff])
+ assert_equal([0x100000000], "\220\200\200\200\000".unpack("w"), [0x100000000])
+ end
end