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require 'test/unit'
require 'marshaltestlib'
class TestMarshal < Test::Unit::TestCase
include MarshalTestLib
def encode(o)
Marshal.dump(o)
end
def decode(s)
Marshal.load(s)
end
def fact(n)
return 1 if n == 0
f = 1
while n>0
f *= n
n -= 1
end
return f
end
def test_marshal
x = [1, 2, 3, [4,5,"foo"], {1=>"bar"}, 2.5, fact(30)]
assert_equal x, Marshal.load(Marshal.dump(x))
[[1,2,3,4], [81, 2, 118, 3146]].each { |w,x,y,z|
obj = (x.to_f + y.to_f / z.to_f) * Math.exp(w.to_f / (x.to_f + y.to_f / z.to_f))
assert_equal obj, Marshal.load(Marshal.dump(obj))
}
end
StrClone = String.clone
def test_marshal_cloned_class
assert_instance_of(StrClone, Marshal.load(Marshal.dump(StrClone.new("abc"))))
end
def test_inconsistent_struct
TestMarshal.const_set :StructOrNot, Struct.new(:a)
s = Marshal.dump(StructOrNot.new(1))
TestMarshal.instance_eval { remove_const :StructOrNot }
TestMarshal.const_set :StructOrNot, Class.new
assert_raise(TypeError, "[ruby-dev:31709]") { Marshal.load(s) }
end
def test_struct_invalid_members
TestMarshal.const_set :StructInvalidMembers, Struct.new(:a)
Marshal.load("\004\bIc&TestMarshal::StructInvalidMembers\006:\020__members__\"\bfoo")
assert_raise(TypeError, "[ruby-dev:31759]") {
TestMarshal::StructInvalidMembers.members
}
end
class C
def initialize(str)
@str = str
end
def _dump(limit)
@str
end
def self._load(s)
new(s)
end
end
def test_too_long_string
(data = Marshal.dump(C.new("a")))[-2, 1] = "\003\377\377\377"
e = assert_raise(ArgumentError, "[ruby-dev:32054]") {
Marshal.load(data)
}
assert_equal("marshal data too short", e.message)
end
end
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