require 'test/unit' require_relative '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 attr_reader :str def _dump(limit) @str end def self._load(s) new(s) end end def test_too_long_string data = Marshal.dump(C.new("a".force_encoding("ascii-8bit"))) data[-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 def test_userdef_encoding s1 = "\xa4\xa4".force_encoding("euc-jp") o1 = C.new(s1) m = Marshal.dump(o1) o2 = Marshal.load(m) s2 = o2.str assert_equal(s1, s2) end def test_pipe o1 = C.new("a" * 10000) r, w = IO.pipe Marshal.dump(o1, w) o2 = Marshal.load(r) assert_equal(o1.str, o2.str) r, w = IO.pipe Marshal.dump(o1, w, 2) o2 = Marshal.load(r) assert_equal(o1.str, o2.str) assert_raise(TypeError) { Marshal.dump("foo", Object.new) } assert_raise(TypeError) { Marshal.load(Object.new) } end def test_limit assert_equal([[[]]], Marshal.load(Marshal.dump([[[]]], 3))) assert_raise(ArgumentError) { Marshal.dump([[[]]], 2) } end def test_userdef_invalid o = C.new(nil) assert_raise(TypeError) { Marshal.dump(o) } end def test_class o = class << Object.new; self; end assert_raise(TypeError) { Marshal.dump(o) } assert_equal(Object, Marshal.load(Marshal.dump(Object))) assert_equal(Enumerable, Marshal.load(Marshal.dump(Enumerable))) end class C2 def initialize(ary) @ary = ary end def _dump(s) @ary.clear "foo" end end def test_modify_array_during_dump a = [] o = C2.new(a) a << o << nil assert_raise(RuntimeError) { Marshal.dump(a) } end def test_change_class_name eval("class C3; def _dump(s); 'foo'; end; end") m = Marshal.dump(C3.new) assert_raise(TypeError) { Marshal.load(m) } eval("C3 = nil") assert_raise(TypeError) { Marshal.load(m) } end def test_change_struct eval("C3 = Struct.new(:foo, :bar)") m = Marshal.dump(C3.new("FOO", "BAR")) eval("C3 = Struct.new(:foo)") assert_raise(TypeError) { Marshal.load(m) } eval("C3 = Struct.new(:foo, :baz)") assert_raise(TypeError) { Marshal.load(m) } end end