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backport pack and unpack tests from Ruby 1.9.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@27722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr
parent
8489a0199f
commit
7e56b2d2bf
1 changed files with 484 additions and 7 deletions
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@ -20,6 +20,31 @@ class TestPack < Test::Unit::TestCase
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assert_equal($x, $x.pack("l").unpack("l"))
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end
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def test_pack_n
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assert_equal "\000\000", [0].pack('n')
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assert_equal "\000\001", [1].pack('n')
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assert_equal "\000\002", [2].pack('n')
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assert_equal "\000\003", [3].pack('n')
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assert_equal "\377\376", [65534].pack('n')
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assert_equal "\377\377", [65535].pack('n')
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assert_equal "\200\000", [2**15].pack('n')
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assert_equal "\177\377", [-2**15-1].pack('n')
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assert_equal "\377\377", [-1].pack('n')
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assert_equal "\000\001\000\001", [1,1].pack('n*')
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assert_equal "\000\001\000\001\000\001", [1,1,1].pack('n*')
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end
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def test_unpack_n
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assert_equal 1, "\000\001".unpack('n')[0]
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assert_equal 2, "\000\002".unpack('n')[0]
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assert_equal 3, "\000\003".unpack('n')[0]
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assert_equal 65535, "\377\377".unpack('n')[0]
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assert_equal [1,1], "\000\001\000\001".unpack('n*')
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assert_equal [1,1,1], "\000\001\000\001\000\001".unpack('n*')
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end
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def test_pack_N
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assert_equal "\000\000\000\000", [0].pack('N')
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assert_equal "\000\000\000\001", [1].pack('N')
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@ -40,22 +65,206 @@ class TestPack < Test::Unit::TestCase
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assert_equal 1, "\000\000\000\001".unpack('N')[0]
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assert_equal 2, "\000\000\000\002".unpack('N')[0]
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assert_equal 3, "\000\000\000\003".unpack('N')[0]
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assert_equal 3, "\000\000\000\003".unpack('N')[0]
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assert_equal 4294967295, "\377\377\377\377".unpack('N')[0]
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assert_equal [1,1], "\000\000\000\001\000\000\000\001".unpack('N*')
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assert_equal [1,1,1], "\000\000\000\001\000\000\000\001\000\000\000\001".unpack('N*')
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end
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def test_integer_endian
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s = [1].pack("s")
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assert_operator(["\0\1", "\1\0"], :include?, s)
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if s == "\0\1"
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# big endian
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assert_equal("\x01\x02", [0x0102].pack("s"))
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assert_equal("\x01\x02", [0x0102].pack("S"))
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assert_equal("\x01\x02\x03\x04", [0x01020304].pack("l"))
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assert_equal("\x01\x02\x03\x04", [0x01020304].pack("L"))
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assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("q"))
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assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("Q"))
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assert_match(/\A\x00*\x01\x02\z/, [0x0102].pack("s!"))
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assert_match(/\A\x00*\x01\x02\z/, [0x0102].pack("S!"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("i"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("I"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("i!"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("I!"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("l!"))
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assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("L!"))
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%w[s S l L q Q s! S! i I i! I! l! L!].each {|fmt|
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nuls = [0].pack(fmt)
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v = 0
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s = ""
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nuls.bytesize.times {|i|
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j = i + 40
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v = v * 256 + j
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s << [j].pack("C")
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}
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assert_equal(s, [v].pack(fmt), "[#{v}].pack(#{fmt.dump})")
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assert_equal([v], s.unpack(fmt), "#{s.dump}.unpack(#{fmt.dump})")
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s2 = s+s
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fmt2 = fmt+"*"
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assert_equal([v,v], s2.unpack(fmt2), "#{s2.dump}.unpack(#{fmt2.dump})")
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}
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else
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# little endian
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assert_equal("\x02\x01", [0x0102].pack("s"))
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assert_equal("\x02\x01", [0x0102].pack("S"))
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assert_equal("\x04\x03\x02\x01", [0x01020304].pack("l"))
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assert_equal("\x04\x03\x02\x01", [0x01020304].pack("L"))
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assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("q"))
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assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("Q"))
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assert_match(/\A\x02\x01\x00*\z/, [0x0102].pack("s!"))
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assert_match(/\A\x02\x01\x00*\z/, [0x0102].pack("S!"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("i"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("I"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("i!"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("I!"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("l!"))
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assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("L!"))
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%w[s S l L q Q s! S! i I i! I! l! L!].each {|fmt|
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nuls = [0].pack(fmt)
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v = 0
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s = ""
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nuls.bytesize.times {|i|
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j = i+40
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v = v * 256 + j
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s << [j].pack("C")
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}
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s.reverse!
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assert_equal(s, [v].pack(fmt), "[#{v}].pack(#{fmt.dump})")
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assert_equal([v], s.unpack(fmt), "#{s.dump}.unpack(#{fmt.dump})")
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s2 = s+s
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fmt2 = fmt+"*"
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assert_equal([v,v], s2.unpack(fmt2), "#{s2.dump}.unpack(#{fmt2.dump})")
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}
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end
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end
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def test_pack_U
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assert_raises(RangeError) { [-0x40000001].pack("U") }
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assert_raises(RangeError) { [-0x40000000].pack("U") }
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assert_raises(RangeError) { [-1].pack("U") }
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assert_raise(RangeError) { [-0x40000001].pack("U") }
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assert_raise(RangeError) { [-0x40000000].pack("U") }
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assert_raise(RangeError) { [-1].pack("U") }
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assert_equal "\000", [0].pack("U")
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assert_equal "\374\277\277\277\277\277", [0x3fffffff].pack("U")
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assert_equal "\375\200\200\200\200\200", [0x40000000].pack("U")
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assert_equal "\375\277\277\277\277\277", [0x7fffffff].pack("U")
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assert_raises(RangeError) { [0x80000000].pack("U") }
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assert_raises(RangeError) { [0x100000000].pack("U") }
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assert_raise(RangeError) { [0x80000000].pack("U") }
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assert_raise(RangeError) { [0x100000000].pack("U") }
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end
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def test_pack_P
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a = ["abc"]
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assert_equal a, a.pack("P").unpack("P*")
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assert_equal "a", a.pack("P").unpack("P")[0]
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assert_equal a, a.pack("P").freeze.unpack("P*")
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assert_raise(ArgumentError) { (a.pack("P") + "").unpack("P*") }
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end
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def test_pack_p
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a = ["abc"]
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assert_equal a, a.pack("p").unpack("p*")
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assert_equal a[0], a.pack("p").unpack("p")[0]
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assert_equal a, a.pack("p").freeze.unpack("p*")
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assert_raise(ArgumentError) { (a.pack("p") + "").unpack("p*") }
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end
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def test_format_string_modified
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fmt = "CC"
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o = Object.new
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class << o; self; end.class_eval do
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define_method(:to_int) { fmt.replace ""; 0 }
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end
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assert_raise(RuntimeError) do
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[o, o].pack(fmt)
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end
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end
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def test_comment
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assert_equal("\0\1", [0,1].pack(" C #foo \n C "))
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assert_equal([0,1], "\0\1".unpack(" C #foo \n C "))
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end
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def test_illegal_bang
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assert_raise(ArgumentError) { [].pack("a!") }
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assert_raise(ArgumentError) { "".unpack("a!") }
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end
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def test_pack_unpack_aA
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assert_equal("f", ["foo"].pack("A"))
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assert_equal("f", ["foo"].pack("a"))
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assert_equal("foo", ["foo"].pack("A*"))
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assert_equal("foo", ["foo"].pack("a*"))
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assert_equal("fo", ["foo"].pack("A2"))
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assert_equal("fo", ["foo"].pack("a2"))
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assert_equal("foo ", ["foo"].pack("A4"))
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assert_equal("foo\0", ["foo"].pack("a4"))
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assert_equal(" ", [nil].pack("A"))
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assert_equal("\0", [nil].pack("a"))
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assert_equal("", [nil].pack("A*"))
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assert_equal("", [nil].pack("a*"))
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assert_equal(" ", [nil].pack("A2"))
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assert_equal("\0\0", [nil].pack("a2"))
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assert_equal("foo" + "\0" * 27, ["foo"].pack("a30"))
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assert_equal(["f"], "foo\0".unpack("A"))
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assert_equal(["f"], "foo\0".unpack("a"))
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assert_equal(["foo"], "foo\0".unpack("A4"))
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assert_equal(["foo\0"], "foo\0".unpack("a4"))
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assert_equal(["foo"], "foo ".unpack("A4"))
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assert_equal(["foo "], "foo ".unpack("a4"))
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assert_equal(["foo"], "foo".unpack("A4"))
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assert_equal(["foo"], "foo".unpack("a4"))
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end
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def test_pack_unpack_Z
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assert_equal("f", ["foo"].pack("Z"))
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assert_equal("foo\0", ["foo"].pack("Z*"))
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assert_equal("fo", ["foo"].pack("Z2"))
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assert_equal("foo\0\0", ["foo"].pack("Z5"))
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assert_equal("\0", [nil].pack("Z"))
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assert_equal("\0", [nil].pack("Z*"))
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assert_equal("\0\0", [nil].pack("Z2"))
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assert_equal(["f"], "foo\0".unpack("Z"))
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assert_equal(["foo"], "foo".unpack("Z*"))
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assert_equal(["foo"], "foo\0".unpack("Z*"))
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assert_equal(["foo"], "foo".unpack("Z5"))
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end
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def test_pack_unpack_bB
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assert_equal("\xff\x00", ["1111111100000000"].pack("b*"))
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assert_equal("\x01\x02", ["1000000001000000"].pack("b*"))
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assert_equal("", ["1"].pack("b0"))
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assert_equal("\x01", ["1"].pack("b1"))
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assert_equal("\x01\x00", ["1"].pack("b2"))
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assert_equal("\x01\x00", ["1"].pack("b3"))
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assert_equal("\x01\x00\x00", ["1"].pack("b4"))
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assert_equal("\x01\x00\x00", ["1"].pack("b5"))
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assert_equal("\x01\x00\x00\x00", ["1"].pack("b6"))
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assert_equal("\xff\x00", ["1111111100000000"].pack("B*"))
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assert_equal("\x01\x02", ["0000000100000010"].pack("B*"))
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assert_equal("", ["1"].pack("B0"))
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assert_equal("\x80", ["1"].pack("B1"))
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assert_equal("\x80\x00", ["1"].pack("B2"))
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assert_equal("\x80\x00", ["1"].pack("B3"))
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assert_equal("\x80\x00\x00", ["1"].pack("B4"))
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assert_equal("\x80\x00\x00", ["1"].pack("B5"))
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assert_equal("\x80\x00\x00\x00", ["1"].pack("B6"))
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assert_equal(["1111111100000000"], "\xff\x00".unpack("b*"))
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assert_equal(["1000000001000000"], "\x01\x02".unpack("b*"))
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assert_equal([""], "".unpack("b0"))
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assert_equal(["1"], "\x01".unpack("b1"))
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assert_equal(["10"], "\x01".unpack("b2"))
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assert_equal(["100"], "\x01".unpack("b3"))
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assert_equal(["1111111100000000"], "\xff\x00".unpack("B*"))
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assert_equal(["0000000100000010"], "\x01\x02".unpack("B*"))
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assert_equal([""], "".unpack("B0"))
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assert_equal(["1"], "\x80".unpack("B1"))
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assert_equal(["10"], "\x80".unpack("B2"))
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assert_equal(["100"], "\x80".unpack("B3"))
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end
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def test_pack_unpack_hH
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@ -98,8 +307,276 @@ class TestPack < Test::Unit::TestCase
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assert_equal(["10ef"], "\x10\xef".unpack("H5"))
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end
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def test_pack_unpack_cC
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assert_equal("\0\1\xff", [0, 1, 255].pack("c*"))
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assert_equal("\0\1\xff", [0, 1, -1].pack("c*"))
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assert_equal("\0\1\xff", [0, 1, 255].pack("C*"))
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assert_equal("\0\1\xff", [0, 1, -1].pack("C*"))
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assert_equal([0, 1, -1], "\0\1\xff".unpack("c*"))
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assert_equal([0, 1, 255], "\0\1\xff".unpack("C*"))
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end
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def test_pack_unpack_sS
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s1 = [513, -514].pack("s*")
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s2 = [513, 65022].pack("S*")
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assert_equal(s1, s2)
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assert_equal([513, -514], s2.unpack("s*"))
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assert_equal([513, 65022], s1.unpack("S*"))
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s1 = [513, -514].pack("s!*")
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s2 = [513, 65022].pack("S!*")
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assert_equal(s1, s2)
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assert_equal([513, -514], s2.unpack("s!*"))
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assert_equal([513, 65022], s1.unpack("S!*"))
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assert_equal(2, [1].pack("s").bytesize)
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assert_equal(2, [1].pack("S").bytesize)
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assert_operator(2, :<=, [1].pack("s!").bytesize)
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assert_operator(2, :<=, [1].pack("S!").bytesize)
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end
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def test_pack_unpack_iI
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s1 = [67305985, -50462977].pack("i*")
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s2 = [67305985, 4244504319].pack("I*")
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assert_equal(s1, s2)
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assert_equal([67305985, -50462977], s2.unpack("i*"))
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assert_equal([67305985, 4244504319], s1.unpack("I*"))
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s1 = [67305985, -50462977].pack("i!*")
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s2 = [67305985, 4244504319].pack("I!*")
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assert_equal([67305985, -50462977], s1.unpack("i!*"))
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assert_equal([67305985, 4244504319], s2.unpack("I!*"))
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assert_operator(4, :<=, [1].pack("i").bytesize)
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assert_operator(4, :<=, [1].pack("I").bytesize)
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assert_operator(4, :<=, [1].pack("i!").bytesize)
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assert_operator(4, :<=, [1].pack("I!").bytesize)
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end
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def test_pack_unpack_lL
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s1 = [67305985, -50462977].pack("l*")
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s2 = [67305985, 4244504319].pack("L*")
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assert_equal(s1, s2)
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assert_equal([67305985, -50462977], s2.unpack("l*"))
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assert_equal([67305985, 4244504319], s1.unpack("L*"))
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s1 = [67305985, -50462977].pack("l!*")
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s2 = [67305985, 4244504319].pack("L!*")
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assert_equal([67305985, -50462977], s1.unpack("l!*"))
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assert_equal([67305985, 4244504319], s2.unpack("L!*"))
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assert_equal(4, [1].pack("l").bytesize)
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assert_equal(4, [1].pack("L").bytesize)
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assert_operator(4, :<=, [1].pack("l!").bytesize)
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assert_operator(4, :<=, [1].pack("L!").bytesize)
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end
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def test_pack_unpack_qQ
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s1 = [578437695752307201, -506097522914230529].pack("q*")
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s2 = [578437695752307201, 17940646550795321087].pack("Q*")
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assert_equal(s1, s2)
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assert_equal([578437695752307201, -506097522914230529], s2.unpack("q*"))
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assert_equal([578437695752307201, 17940646550795321087], s1.unpack("Q*"))
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assert_equal(8, [1].pack("q").bytesize)
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assert_equal(8, [1].pack("Q").bytesize)
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end
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def test_pack_unpack_nN
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assert_equal("\000\000\000\001\377\377\177\377\200\000\377\377", [0,1,-1,32767,-32768,65535].pack("n*"))
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assert_equal("\000\000\000\000\000\000\000\001\377\377\377\377", [0,1,-1].pack("N*"))
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assert_equal([0,1,65535,32767,32768,65535], "\000\000\000\001\377\377\177\377\200\000\377\377".unpack("n*"))
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assert_equal([0,1,4294967295], "\000\000\000\000\000\000\000\001\377\377\377\377".unpack("N*"))
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assert_equal(2, [1].pack("n").bytesize)
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assert_equal(4, [1].pack("N").bytesize)
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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*"))
|
||||
|
||||
assert_equal(2, [1].pack("v").bytesize)
|
||||
assert_equal(4, [1].pack("V").bytesize)
|
||||
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("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n", ["a"*46].pack("u0"))
|
||||
assert_equal("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n", ["a"*46].pack("u1"))
|
||||
assert_equal("M86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A86%A\n!80``\n", ["a"*46].pack("u2"))
|
||||
|
||||
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_match(/\A\0*\Z/, [nil].pack("p"))
|
||||
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
|
||||
|
||||
def test_modify_under_safe4
|
||||
s = "foo"
|
||||
assert_raise(SecurityError) do
|
||||
Thread.new do
|
||||
$SAFE = 4
|
||||
s.replace ""
|
||||
end.join
|
||||
end
|
||||
end
|
||||
|
||||
def test_short_string
|
||||
%w[n N v V s S l L q Q].each {|fmt|
|
||||
%w[n N v V s S i I l L q Q s! S! i! I! l! l!].each {|fmt|
|
||||
str = [1].pack(fmt)
|
||||
assert_equal([1,nil], str.unpack("#{fmt}2"))
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue