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require 'test/unit'
require 'tempfile'
require_relative 'marshaltestlib'
class TestMarshal < Test::Unit::TestCase
include MarshalTestLib
def setup
@verbose = $VERBOSE
$VERBOSE = nil
end
def teardown
$VERBOSE = @verbose
end
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
a = [1, 2, 3, [4,5,"foo"], {1=>"bar"}, 2.5, fact(30)]
assert_equal a, Marshal.load(Marshal.dump(a))
[[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))
}
bug3659 = '[ruby-dev:41936]'
[1.0, 10.0, 100.0, 110.0].each {|x|
assert_equal(x, Marshal.load(Marshal.dump(x)), bug3659)
}
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
t = Thread.new { Marshal.load(r) }
Marshal.dump(o1, w)
o2 = t.value
assert_equal(o1.str, o2.str)
r, w = IO.pipe
t = Thread.new { Marshal.load(r) }
Marshal.dump(o1, w, 2)
o2 = t.value
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) }
assert_nothing_raised(ArgumentError, '[ruby-core:24100]') { Marshal.dump("\u3042", 1) }
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
class C4
def initialize(gc)
@gc = gc
end
def _dump(s)
GC.start if @gc
"foo"
end
end
def test_gc
assert_nothing_raised do
Marshal.dump((0..1000).map {|x| C4.new(x % 50 == 25) })
end
end
def test_taint_and_untrust
x = Object.new
x.taint
x.untrust
s = Marshal.dump(x)
assert_equal(true, s.tainted?)
assert_equal(true, s.untrusted?)
y = Marshal.load(s)
assert_equal(true, y.tainted?)
assert_equal(true, y.untrusted?)
end
def test_taint_and_untrust_each_object
x = Object.new
obj = [[x]]
# clean object causes crean stream
assert_equal(false, obj.tainted?)
assert_equal(false, obj.untrusted?)
assert_equal(false, obj.first.tainted?)
assert_equal(false, obj.first.untrusted?)
assert_equal(false, obj.first.first.tainted?)
assert_equal(false, obj.first.first.untrusted?)
s = Marshal.dump(obj)
assert_equal(false, s.tainted?)
assert_equal(false, s.untrusted?)
# tainted/untrusted object causes tainted/untrusted stream
x.taint
x.untrust
assert_equal(false, obj.tainted?)
assert_equal(false, obj.untrusted?)
assert_equal(false, obj.first.tainted?)
assert_equal(false, obj.first.untrusted?)
assert_equal(true, obj.first.first.tainted?)
assert_equal(true, obj.first.first.untrusted?)
t = Marshal.dump(obj)
assert_equal(true, t.tainted?)
assert_equal(true, t.untrusted?)
# clean stream causes clean objects
assert_equal(false, s.tainted?)
assert_equal(false, s.untrusted?)
y = Marshal.load(s)
assert_equal(false, y.tainted?)
assert_equal(false, y.untrusted?)
assert_equal(false, y.first.tainted?)
assert_equal(false, y.first.untrusted?)
assert_equal(false, y.first.first.tainted?)
assert_equal(false, y.first.first.untrusted?)
# tainted/untrusted stream causes tainted/untrusted objects
assert_equal(true, t.tainted?)
assert_equal(true, t.untrusted?)
y = Marshal.load(t)
assert_equal(true, y.tainted?)
assert_equal(true, y.untrusted?)
assert_equal(true, y.first.tainted?)
assert_equal(true, y.first.untrusted?)
assert_equal(true, y.first.first.tainted?)
assert_equal(true, y.first.first.untrusted?)
# same tests by different senario
s.taint
s.untrust
assert_equal(true, s.tainted?)
assert_equal(true, s.untrusted?)
y = Marshal.load(s)
assert_equal(true, y.tainted?)
assert_equal(true, y.untrusted?)
assert_equal(true, y.first.tainted?)
assert_equal(true, y.first.untrusted?)
assert_equal(true, y.first.first.tainted?)
assert_equal(true, y.first.first.untrusted?)
end
def test_symbol
[:ruby, :"\u{7d05}\u{7389}"].each do |sym|
assert_equal(sym, Marshal.load(Marshal.dump(sym)), '[ruby-core:24788]')
end
bug2548 = '[ruby-core:27375]'
ary = [:$1, nil]
assert_equal(ary, Marshal.load(Marshal.dump(ary)), bug2548)
end
ClassUTF8 = eval("class R\u{e9}sum\u{e9}; self; end")
iso_8859_1 = Encoding::ISO_8859_1
structISO8859_1 = Struct.new("r\xe9sum\xe9".force_encoding(iso_8859_1).intern)
const_set("R\xe9sum\xe9".force_encoding(iso_8859_1), structISO8859_1)
structISO8859_1.name
StructISO8859_1 = structISO8859_1
classISO8859_1 = Class.new do
attr_accessor "r\xe9sum\xe9".force_encoding(iso_8859_1)
eval("def initialize(x) @r\xe9sum\xe9 = x; end".force_encoding(iso_8859_1))
end
const_set("R\xe9sum\xe92".force_encoding(iso_8859_1), classISO8859_1)
classISO8859_1.name
ClassISO8859_1 = classISO8859_1
def test_class_nonascii
a = ClassUTF8.new
assert_instance_of(ClassUTF8, Marshal.load(Marshal.dump(a)), '[ruby-core:24790]')
bug1932 = '[ruby-core:24882]'
a = StructISO8859_1.new(10)
assert_nothing_raised(bug1932) do
assert_equal(a, Marshal.load(Marshal.dump(a)), bug1932)
end
a.__send__("#{StructISO8859_1.members[0]}=", a)
assert_nothing_raised(bug1932) do
assert_equal(a, Marshal.load(Marshal.dump(a)), bug1932)
end
a = ClassISO8859_1.new(10)
assert_nothing_raised(bug1932) do
b = Marshal.load(Marshal.dump(a))
assert_equal(ClassISO8859_1, b.class, bug1932)
assert_equal(a.instance_variables, b.instance_variables, bug1932)
a.instance_variables.each do |i|
assert_equal(a.instance_variable_get(i), b.instance_variable_get(i), bug1932)
end
end
a.__send__(a.methods(true).grep(/=\z/)[0], a)
assert_nothing_raised(bug1932) do
b = Marshal.load(Marshal.dump(a))
assert_equal(ClassISO8859_1, b.class, bug1932)
assert_equal(a.instance_variables, b.instance_variables, bug1932)
assert_equal(b, b.instance_variable_get(a.instance_variables[0]), bug1932)
end
end
def test_regexp
assert_equal(/\\u/, Marshal.load("\004\b/\b\\\\u\000"))
assert_equal(/u/, Marshal.load("\004\b/\a\\u\000"))
assert_equal(/u/, Marshal.load("\004\bI/\a\\u\000\006:\016@encoding\"\vEUC-JP"))
bug2109 = '[ruby-core:25625]'
a = "\x82\xa0".force_encoding(Encoding::Windows_31J)
b = "\x82\xa2".force_encoding(Encoding::Windows_31J)
c = [/#{a}/, /#{b}/]
assert_equal(c, Marshal.load(Marshal.dump(c)), bug2109)
assert_nothing_raised(ArgumentError, '[ruby-dev:40386]') do
re = Tempfile.open("marshal_regexp") do |f|
f.binmode.write("\x04\bI/\x00\x00\x06:\rencoding\"\rUS-ASCII")
f.close
Marshal.load(f.open.binmode)
end
assert_equal(//, re)
end
end
class DumpTest
def marshal_dump
@@block.call(:marshal_dump)
end
def dump_each(&block)
@@block = block
Marshal.dump(self)
end
end
class LoadTest
def marshal_dump
nil
end
def marshal_load(obj)
@@block.call(:marshal_load)
end
def self.load_each(m, &block)
@@block = block
Marshal.load(m)
end
end
def test_context_switch
o = DumpTest.new
e = o.enum_for(:dump_each)
assert_equal(:marshal_dump, e.next)
GC.start
assert(true, '[ruby-dev:39425]')
assert_raise(StopIteration) {e.next}
o = LoadTest.new
m = Marshal.dump(o)
e = LoadTest.enum_for(:load_each, m)
assert_equal(:marshal_load, e.next)
GC.start
assert(true, '[ruby-dev:39425]')
assert_raise(StopIteration) {e.next}
end
def test_dump_buffer
bug2390 = '[ruby-dev:39744]'
w = ""
def w.write(str)
self << str.to_s
end
Marshal.dump(Object.new, w)
assert_not_empty(w, bug2390)
end
class C5
def marshal_dump
"foo"
end
def marshal_load(foo)
@foo = foo
end
def initialize(x)
@x = x
end
end
def test_marshal_dump
c = C5.new("bar")
s = Marshal.dump(c)
d = Marshal.load(s)
assert_equal("foo", d.instance_variable_get(:@foo))
assert_equal(false, d.instance_variable_defined?(:@x))
end
class C6
def initialize
@stdin = STDIN
end
attr_reader :stdin
def marshal_dump
1
end
def marshal_load(x)
@stdin = STDIN
end
end
def test_marshal_dump_extra_iv
o = C6.new
m = nil
assert_nothing_raised("[ruby-dev:21475] [ruby-dev:39845]") {
m = Marshal.dump(o)
}
o2 = Marshal.load(m)
assert_equal(STDIN, o2.stdin)
end
def test_marshal_string_encoding
o1 = ["foo".force_encoding("EUC-JP")] + [ "bar" ] * 2
m = Marshal.dump(o1)
o2 = Marshal.load(m)
assert_equal(o1, o2, "[ruby-dev:40388]")
end
def test_marshal_regexp_encoding
o1 = [Regexp.new("r1".force_encoding("EUC-JP"))] + ["r2"] * 2
m = Marshal.dump(o1)
o2 = Marshal.load(m)
assert_equal(o1, o2, "[ruby-dev:40416]")
end
def test_marshal_encoding_encoding
o1 = [Encoding.find("EUC-JP")] + ["r2"] * 2
m = Marshal.dump(o1)
o2 = Marshal.load(m)
assert_equal(o1, o2)
end
class PrivateClass
def initialize(foo)
@foo = foo
end
attr_reader :foo
end
private_constant :PrivateClass
def test_marshal_private_class
o1 = PrivateClass.new("test")
o2 = Marshal.load(Marshal.dump(o1))
assert_equal(o1.class, o2.class)
assert_equal(o1.foo, o2.foo)
end
end
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