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ruby--ruby/test/ruby/test_marshal.rb

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Ruby

# frozen_string_literal: false
require 'test/unit'
require 'tempfile'
require_relative 'marshaltestlib'
class TestMarshal < Test::Unit::TestCase
include MarshalTestLib
def setup
@verbose = $VERBOSE
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) }
ensure
TestMarshal.instance_eval { remove_const :StructOrNot }
end
def test_struct_invalid_members
TestMarshal.const_set :StructInvalidMembers, Struct.new(:a)
assert_raise(TypeError, "[ruby-dev:31759]") {
Marshal.load("\004\bIc&TestMarshal::StructInvalidMembers\006:\020__members__\"\bfoo")
TestMarshal::StructInvalidMembers.members
}
ensure
TestMarshal.instance_eval { remove_const :StructInvalidMembers }
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"
assert_raise_with_message(ArgumentError, "marshal data too short", "[ruby-dev:32054]") {
Marshal.load(data)
}
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)
IO.pipe do |r, w|
th = Thread.new {Marshal.dump(o1, w)}
o2 = Marshal.load(r)
th.join
assert_equal(o1.str, o2.str)
end
IO.pipe do |r, w|
th = Thread.new {Marshal.dump(o1, w, 2)}
o2 = Marshal.load(r)
th.join
assert_equal(o1.str, o2.str)
end
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
self.class.__send__(:remove_const, :C3) if self.class.const_defined?(:C3)
eval("class C3; def _dump(s); 'foo'; end; end")
m = Marshal.dump(C3.new)
assert_raise(TypeError) { Marshal.load(m) }
self.class.__send__(:remove_const, :C3)
eval("C3 = nil")
assert_raise(TypeError) { Marshal.load(m) }
ensure
self.class.__send__(:remove_const, :C3) if self.class.const_defined?(:C3)
end
def test_change_struct
self.class.__send__(:remove_const, :C3) if self.class.const_defined?(:C3)
eval("C3 = Struct.new(:foo, :bar)")
m = Marshal.dump(C3.new("FOO", "BAR"))
self.class.__send__(:remove_const, :C3)
eval("C3 = Struct.new(:foo)")
assert_raise(TypeError) { Marshal.load(m) }
self.class.__send__(:remove_const, :C3)
eval("C3 = Struct.new(:foo, :baz)")
assert_raise(TypeError) { Marshal.load(m) }
ensure
self.class.__send__(:remove_const, :C3) if self.class.const_defined?(:C3)
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_symbol2
[: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
def test_symlink
assert_include(Marshal.dump([:a, :a]), ';')
end
def test_symlink_in_ivar
bug10991 = '[ruby-core:68587] [Bug #10991]'
sym = Marshal.load("\x04\x08" +
"I" ":\x0bKernel" +
("\x06" +
("I" ":\x07@a" +
("\x06" ":\x07@b" "e;\x0""o:\x0bObject""\x0")) +
"0"))
assert_equal(:Kernel, sym, bug10991)
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_regexp2
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.create("marshal_regexp") do |f|
f.binmode.write("\x04\bI/\x00\x00\x06:\rencoding\"\rUS-ASCII")
f.rewind
re2 = Marshal.load(f)
re2
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
def test_marshal_symbol_ascii8bit
bug6209 = '[ruby-core:43762]'
o1 = "\xff".force_encoding("ASCII-8BIT").intern
m = Marshal.dump(o1)
o2 = nil
assert_nothing_raised(EncodingError, bug6209) {o2 = Marshal.load(m)}
assert_equal(o1, o2, bug6209)
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
def test_marshal_complex
assert_raise(ArgumentError){Marshal.load("\x04\bU:\fComplex[\x05")}
assert_raise(ArgumentError){Marshal.load("\x04\bU:\fComplex[\x06i\x00")}
assert_equal(Complex(1, 2), Marshal.load("\x04\bU:\fComplex[\ai\x06i\a"))
assert_raise(ArgumentError){Marshal.load("\x04\bU:\fComplex[\bi\x00i\x00i\x00")}
end
def test_marshal_rational
assert_raise(ArgumentError){Marshal.load("\x04\bU:\rRational[\x05")}
assert_raise(ArgumentError){Marshal.load("\x04\bU:\rRational[\x06i\x00")}
assert_equal(Rational(1, 2), Marshal.load("\x04\bU:\rRational[\ai\x06i\a"))
assert_raise(ArgumentError){Marshal.load("\x04\bU:\rRational[\bi\x00i\x00i\x00")}
end
def test_marshal_flonum_reference
bug7348 = '[ruby-core:49323]'
e = []
ary = [ [2.0, e], [e] ]
assert_equal(ary, Marshal.load(Marshal.dump(ary)), bug7348)
end
class TestClass
end
module TestModule
end
class Bug7627 < Struct.new(:bar)
attr_accessor :foo
def marshal_dump; 'dump'; end # fake dump data
def marshal_load(*); end # do nothing
end
def test_marshal_dump_struct_ivar
bug7627 = '[ruby-core:51163]'
obj = Bug7627.new
obj.foo = '[Bug #7627]'
dump = Marshal.dump(obj)
loaded = Marshal.load(dump)
assert_equal(obj, loaded, bug7627)
assert_nil(loaded.foo, bug7627)
end
class LoadData
attr_reader :data
def initialize(data)
@data = data
end
alias marshal_dump data
alias marshal_load initialize
end
class Bug8276 < LoadData
def initialize(*)
super
freeze
end
alias marshal_load initialize
end
class FrozenData < LoadData
def marshal_load(data)
super
data.instance_variables.each do |iv|
instance_variable_set(iv, data.instance_variable_get(iv))
end
freeze
end
end
def test_marshal_dump_excess_encoding
bug8276 = '[ruby-core:54334] [Bug #8276]'
t = Bug8276.new(bug8276)
s = Marshal.dump(t)
assert_nothing_raised(RuntimeError, bug8276) {s = Marshal.load(s)}
assert_equal(t.data, s.data, bug8276)
end
def test_marshal_dump_ivar
s = "data with ivar"
s.instance_variable_set(:@t, 42)
t = Bug8276.new(s)
s = Marshal.dump(t)
assert_raise(FrozenError) {Marshal.load(s)}
end
def test_marshal_load_ivar
s = "data with ivar"
s.instance_variable_set(:@t, 42)
hook = ->(v) {
if LoadData === v
assert_send([v, :instance_variable_defined?, :@t], v.class.name)
assert_equal(42, v.instance_variable_get(:@t), v.class.name)
end
v
}
[LoadData, FrozenData].each do |klass|
t = klass.new(s)
d = Marshal.dump(t)
v = assert_nothing_raised(RuntimeError) {break Marshal.load(d, hook)}
assert_send([v, :instance_variable_defined?, :@t], klass.name)
assert_equal(42, v.instance_variable_get(:@t), klass.name)
end
end
def test_class_ivar
assert_raise(TypeError) {Marshal.load("\x04\x08Ic\x1bTestMarshal::TestClass\x06:\x0e@ivar_bug\"\x08bug")}
assert_raise(TypeError) {Marshal.load("\x04\x08IM\x1bTestMarshal::TestClass\x06:\x0e@ivar_bug\"\x08bug")}
assert_not_operator(TestClass, :instance_variable_defined?, :@bug)
end
def test_module_ivar
assert_raise(TypeError) {Marshal.load("\x04\x08Im\x1cTestMarshal::TestModule\x06:\x0e@ivar_bug\"\x08bug")}
assert_raise(TypeError) {Marshal.load("\x04\x08IM\x1cTestMarshal::TestModule\x06:\x0e@ivar_bug\"\x08bug")}
assert_not_operator(TestModule, :instance_variable_defined?, :@bug)
end
class TestForRespondToFalse
def respond_to?(a, priv = false)
false
end
end
def test_marshal_respond_to_arity
assert_nothing_raised(ArgumentError, '[Bug #7722]') do
Marshal.dump(TestForRespondToFalse.new)
end
end
def test_packed_string
packed = ["foo"].pack("p")
bare = "".force_encoding(Encoding::ASCII_8BIT) << packed
assert_equal(Marshal.dump(bare), Marshal.dump(packed))
end
class Bug9523
attr_reader :cc
def marshal_dump
callcc {|c| @cc = c }
nil
end
def marshal_load(v)
end
end
def test_continuation
EnvUtil.suppress_warning {require "continuation"}
c = Bug9523.new
assert_raise_with_message(RuntimeError, /Marshal\.dump reentered at marshal_dump/) do
Marshal.dump(c)
GC.start
1000.times {"x"*1000}
GC.start
c.cc.call
end
end
def test_undumpable_message
c = Module.new {break module_eval("class IO\u{26a1} < IO;self;end")}
assert_raise_with_message(TypeError, /IO\u{26a1}/) {
Marshal.dump(c.new(0, autoclose: false))
}
end
def test_undumpable_data
c = Module.new {break module_eval("class T\u{23F0 23F3}<Time;undef _dump;self;end")}
assert_raise_with_message(TypeError, /T\u{23F0 23F3}/) {
Marshal.dump(c.new)
}
end
def test_unloadable_data
name = "Unloadable\u{23F0 23F3}"
c = eval("class #{name} < Time;;self;end")
c.class_eval {
alias _dump_data _dump
undef _dump
}
d = Marshal.dump(c.new)
assert_raise_with_message(TypeError, /Unloadable\u{23F0 23F3}/) {
Marshal.load(d)
}
# cleanup
self.class.class_eval do
remove_const name
end
end
def test_unloadable_userdef
name = "Userdef\u{23F0 23F3}"
c = eval("class #{name} < Time;self;end")
class << c
undef _load
end
d = Marshal.dump(c.new)
assert_raise_with_message(TypeError, /Userdef\u{23F0 23F3}/) {
Marshal.load(d)
}
# cleanup
self.class.class_eval do
remove_const name
end
end
def test_unloadable_usrmarshal
c = eval("class UsrMarshal\u{23F0 23F3}<Time;self;end")
c.class_eval {
alias marshal_dump _dump
}
d = Marshal.dump(c.new)
assert_raise_with_message(TypeError, /UsrMarshal\u{23F0 23F3}/) {
Marshal.load(d)
}
end
def test_no_internal_ids
opt = %w[--disable=gems]
args = [opt, 'Marshal.dump("",STDOUT)', true, true]
kw = {encoding: Encoding::ASCII_8BIT}
out, err, status = EnvUtil.invoke_ruby(*args, **kw)
assert_empty(err)
assert_predicate(status, :success?)
expected = out
opt << "--enable=frozen-string-literal"
opt << "--debug=frozen-string-literal"
out, err, status = EnvUtil.invoke_ruby(*args, **kw)
assert_empty(err)
assert_predicate(status, :success?)
assert_equal(expected, out)
end
def test_marshal_honor_post_proc_value_for_link
str = 'x' # for link
obj = [str, str]
assert_equal(['X', 'X'], Marshal.load(Marshal.dump(obj), ->(v) { v == str ? v.upcase : v }))
end
def test_marshal_proc_string_encoding
string = "foo"
payload = Marshal.dump(string)
Marshal.load(payload, ->(v) {
if v.is_a?(String)
assert_equal(string, v)
assert_equal(string.encoding, v.encoding)
end
v
})
end
def test_marshal_proc_freeze
object = { foo: [42, "bar"] }
assert_equal object, Marshal.load(Marshal.dump(object), :freeze.to_proc)
end
def test_marshal_load_extended_class_crash
assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
begin;
assert_raise_with_message(ArgumentError, /undefined/) do
Marshal.load("\x04\be:\x0F\x00omparableo:\vObject\x00")
end
end;
end
def test_marshal_load_r_prepare_reference_crash
crash = "\x04\bI/\x05\x00\x06:\x06E{\x06@\x05T"
opt = %w[--disable=gems]
assert_separately(opt, <<-RUBY)
assert_raise_with_message(ArgumentError, /bad link/) do
Marshal.load(#{crash.dump})
end
RUBY
end
MethodMissingWithoutRespondTo = Struct.new(:wrapped_object) do
undef respond_to?
def method_missing(*args, &block)
wrapped_object.public_send(*args, &block)
end
def respond_to_missing?(name, private = false)
wrapped_object.respond_to?(name, false)
end
end
def test_method_missing_without_respond_to
bug12353 = "[ruby-core:75377] [Bug #12353]: try method_missing if" \
" respond_to? is undefined"
obj = MethodMissingWithoutRespondTo.new("foo")
dump = assert_nothing_raised(NoMethodError, bug12353) do
Marshal.dump(obj)
end
assert_equal(obj, Marshal.load(dump))
end
class Bug12974
def marshal_dump
dup
end
end
def test_marshal_dump_recursion
assert_raise_with_message(RuntimeError, /same class instance/) do
Marshal.dump(Bug12974.new)
end
end
Bug14314 = Struct.new(:foo, keyword_init: true)
def test_marshal_keyword_init_struct
obj = Bug14314.new(foo: 42)
assert_equal obj, Marshal.load(Marshal.dump(obj))
end
class Bug15968
attr_accessor :bar, :baz
def initialize
self.bar = Bar.new(self)
end
class Bar
attr_accessor :foo
def initialize(foo)
self.foo = foo
end
def marshal_dump
if self.foo.baz
self.foo.remove_instance_variable(:@baz)
else
self.foo.baz = :problem
end
{foo: self.foo}
end
def marshal_load(data)
self.foo = data[:foo]
end
end
end
def test_marshal_dump_adding_instance_variable
obj = Bug15968.new
assert_raise_with_message(RuntimeError, /instance variable added/) do
Marshal.dump(obj)
end
end
def test_marshal_dump_removing_instance_variable
obj = Bug15968.new
obj.baz = :Bug15968
assert_raise_with_message(RuntimeError, /instance variable removed/) do
Marshal.dump(obj)
end
end
ruby2_keywords def ruby2_keywords_hash(*a)
a.last
end
def ruby2_keywords_test(key: 1)
key
end
def test_marshal_with_ruby2_keywords_hash
flagged_hash = ruby2_keywords_hash(key: 42)
hash = Marshal.load(Marshal.dump(flagged_hash))
assert_equal(42, ruby2_keywords_test(*[hash]))
end
def exception_test
raise
end
def test_marshal_exception
begin
exception_test
rescue => e
e2 = Marshal.load(Marshal.dump(e))
assert_equal(e.message, e2.message)
assert_equal(e.backtrace, e2.backtrace)
assert_nil(e2.backtrace_locations) # temporal
end
end
def nameerror_test
unknown_method
end
def test_marshal_nameerror
begin
nameerror_test
rescue NameError => e
e2 = Marshal.load(Marshal.dump(e))
assert_equal(e.message.lines.first.chomp, e2.message.lines.first)
assert_equal(e.name, e2.name)
assert_equal(e.backtrace, e2.backtrace)
assert_nil(e2.backtrace_locations) # temporal
end
end
end