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serialize.jl
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serialize.jl
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# This file is a part of Julia. License is MIT: https://julialang.org/license
using Base.Test
# Check that serializer hasn't gone out-of-frame
@test Serializer.sertag(Symbol) == 2
@test Serializer.sertag(()) == 44
@test Serializer.sertag(false) == 120
function create_serialization_stream(f::Function)
s = IOBuffer()
f(s)
close(s)
end
# Tags
create_serialization_stream() do s
Serializer.writetag(s, Serializer.sertag(Bool))
@test takebuf_array(s)[end] == UInt8(Serializer.sertag(Bool))
end
create_serialization_stream() do s
Serializer.write_as_tag(s, Serializer.sertag(Bool))
@test takebuf_array(s)[end] == UInt8(Serializer.sertag(Bool))
end
create_serialization_stream() do s
Serializer.write_as_tag(s, Serializer.sertag(Symbol))
data = takebuf_array(s)
@test data[end-1] == 0x00
@test data[end] == UInt8(Serializer.sertag(Symbol))
end
# Boolean & Empty & Nothing
create_serialization_stream() do s
serialize(s, true)
serialize(s, ())
serialize(s, nothing)
seek(s, 0)
@test deserialize(s) === true
@test deserialize(s) === ()
@test deserialize(s) === nothing
end
# Ptr
create_serialization_stream() do s
serialize(s, C_NULL)
seekstart(s)
@test deserialize(s) === C_NULL
end
# Integer
create_serialization_stream() do s
serialize(s, 0x1)
serialize(s, 32)
serialize(s, 33)
seek(s,0)
@test deserialize(s) === 0x01
@test deserialize(s) === 32
@test deserialize(s) === 33
end
# Tuple
create_serialization_stream() do s
tpl = (0x1,'a')
serialize(s, tpl)
len = 257
lt = ntuple(i->0x1, len)
serialize(s, lt)
serialize(s, Tuple{})
seek(s, 0)
@test deserialize(s) === tpl
@test deserialize(s) === lt
@test deserialize(s) === Tuple{}
end
# Symbol
create_serialization_stream() do s
gensym(len) = Symbol(repeat("A", len))
smbl = gensym(1)
serialize(s, smbl)
smbl2 = gensym(10)
serialize(s, smbl2)
smbl3 = gensym(257)
serialize(s, smbl3)
seek(s, 0)
@test deserialize(s) === smbl
@test deserialize(s) === smbl2
@test deserialize(s) === smbl3
end
# Module
create_serialization_stream() do s # user-defined module
mod = b"SomeModule"
modstring = String(mod)
eval(parse("module $(modstring); end"))
modtype = eval(parse("$(modstring)"))
serialize(s, modtype)
seek(s, 0)
@test deserialize(s) === modtype
end
# DataType
create_serialization_stream() do s # standard types
typ1 = UInt8
serialize(s, typ1)
typ2 = Bool
serialize(s, typ2)
seek(s, 0)
@test deserialize(s) == typ1
@test deserialize(s) == typ2
end
create_serialization_stream() do s # user-defined type
usertype = "SerializeSomeType"
eval(parse("abstract $(usertype)"))
utype = eval(parse("$(usertype)"))
serialize(s, utype)
seek(s, 0)
@test deserialize(s) === utype
end
create_serialization_stream() do s # user-defined type
usertype = "SerializeSomeType1"
eval(parse("type $(usertype); end"))
utype = eval(parse("$(usertype)"))
serialize(s, utype)
seek(s, 0)
@test deserialize(s) === utype
end
create_serialization_stream() do s # user-defined type
usertype = "SerializeSomeType2"
eval(parse("abstract $(usertype){T}"))
utype = eval(parse("$(usertype)"))
serialize(s, utype)
seek(s, 0)
@test deserialize(s) === utype
end
create_serialization_stream() do s # immutable type with 1 field
usertype = "SerializeSomeType3"
eval(parse("immutable $(usertype){T}; a::T; end"))
utype = eval(parse("$(usertype)"))
serialize(s, utype)
seek(s, 0)
@test deserialize(s) === utype
end
create_serialization_stream() do s # immutable type with 2 field
usertype = "SerializeSomeType4"
eval(parse("immutable $(usertype){T}; a::T; b::T; end"))
utval = eval(parse("$(usertype)(1,2)"))
serialize(s, utval)
seek(s, 0)
@test deserialize(s) === utval
end
create_serialization_stream() do s # immutable type with 3 field
usertype = "SerializeSomeType5"
eval(parse("immutable $(usertype){T}; a::T; b::T; c::T; end"))
utval = eval(parse("$(usertype)(1,2,3)"))
serialize(s, utval)
seek(s, 0)
@test deserialize(s) === utval
end
create_serialization_stream() do s # immutable type with 4 field
usertype = "SerializeSomeType6"
eval(parse("immutable $(usertype){T}; a::T; b::T; c::T; d::T; end"))
utval = eval(parse("$(usertype)(1,2,3,4)"))
serialize(s, utval)
seek(s, 0)
@test deserialize(s) === utval
end
# Expression
create_serialization_stream() do s
expr = parse("a = 1")
serialize(s, expr)
expr2 = parse(repeat("a = 1;", 300))
serialize(s, expr2)
seek(s, 0)
@test deserialize(s) == expr
@test deserialize(s) == expr2
end
# Array
type TA1
v::UInt8
end
create_serialization_stream() do s # small 1d array
arr1 = fill(0x01, 10) # small 1d array
serialize(s, arr1)
arr2 = fill(0x01, 3, 3) # small 2d array
serialize(s, arr2)
arr3 = fill(0x0001, 50) # large 1d array
serialize(s, arr3)
arr4 = reshape([true, false, false, false, true, false, false, false, true], 3, 3)
serialize(s, arr4) # boolean array
arr5 = Array{TA1}(3)
arr5[2] = TA1(0x01)
serialize(s, arr5)
seek(s, 0)
@test deserialize(s) == arr1
@test deserialize(s) == arr2
@test deserialize(s) == arr3
@test deserialize(s) == arr4
result = deserialize(s)
@test !isdefined(result,1)
@test !isdefined(result,3)
@test result[2].v == arr5[2].v
end
# SubArray
create_serialization_stream() do s # slices
slc1 = view(ones(UInt8, 4), 2:3)
serialize(s, slc1)
slc2 = view(ones(UInt8, 4, 4) .+ [0x00, 0x01, 0x02, 0x03], 1, 2:4)
serialize(s, slc2)
seek(s, 0)
@test deserialize(s) == slc1
@test deserialize(s) == slc2
end
# Objects that have a SubArray as a type in a type-parameter list
module ArrayWrappers
immutable ArrayWrapper{T,N,A<:AbstractArray} <: AbstractArray{T,N}
data::A
end
ArrayWrapper{T,N}(data::AbstractArray{T,N}) = ArrayWrapper{T,N,typeof(data)}(data)
Base.size(A::ArrayWrapper) = size(A.data)
Base.size(A::ArrayWrapper, d) = size(A.data, d)
Base.getindex(A::ArrayWrapper, i::Real...) = getindex(A.data, i...)
end
let A = rand(3,4)
for B in (view(A, :, 2:4), view(A, 2, 1:3))
C = ArrayWrappers.ArrayWrapper(B)
io = IOBuffer()
serialize(io, C)
seek(io, 0)
Cd = deserialize(io)
@test size(Cd) == size(C)
@test Cd == B
end
end
# Function
serialize_test_function() = 1
serialize_test_function2 = ()->1
create_serialization_stream() do s # Base generic function
serialize(s, sin)
serialize(s, typeof)
serialize(s, serialize_test_function)
serialize(s, serialize_test_function2)
seek(s, 0)
@test deserialize(s) === sin
@test deserialize(s) === typeof
@test deserialize(s)() === 1
@test deserialize(s)() === 1
end
# Anonymous Functions
create_serialization_stream() do s
local g() = :magic_token_anon_fun_test
serialize(s, g)
serialize(s, g)
seekstart(s)
local g2 = deserialize(s)
@test g2 !== g
@test g2() == :magic_token_anon_fun_test
@test g2() == :magic_token_anon_fun_test
@test deserialize(s) === g2
end
# Task
create_serialization_stream() do s # user-defined type array
f = () -> begin task_local_storage(:v, 2); return 1+1 end
t = Task(f)
wait(schedule(t))
serialize(s, t)
seek(s, 0)
r = deserialize(s)
@test r.storage[:v] == 2
@test r.state == :done
@test r.exception === nothing
end
immutable MyErrorTypeTest <: Exception end
create_serialization_stream() do s # user-defined type array
t = Task(()->throw(MyErrorTypeTest()))
@test_throws MyErrorTypeTest wait(schedule(t))
serialize(s, t)
seek(s, 0)
r = deserialize(s)
@test r.state == :failed
@test isa(t.exception, MyErrorTypeTest)
end
# corner case: undefined inside immutable type
create_serialization_stream() do s
serialize(s, Nullable{Any}())
seekstart(s)
n = deserialize(s)
@test isa(n, Nullable)
@test !isdefined(n, :value)
end
# cycles
module CycleFoo
echo(x)=x
end
create_serialization_stream() do s
echo(x) = x
afunc = (x)->x
A = Any[1,2,3,abs,abs,afunc,afunc,echo,echo,CycleFoo.echo,CycleFoo.echo,4,5]
A[3] = A
serialize(s, A)
seekstart(s)
b = deserialize(s)
@test b[3] === b
@test b[1] == 1
@test b[4] === abs
@test b[5] === b[4]
@test b[5](-1) == 1
@test b[6] === b[7]
@test b[6]("Hello") == "Hello"
@test b[8] === b[9]
@test b[8]("World") == "World"
@test b[10] === b[11]
@test b[10]("foobar") == "foobar"
@test b[end] == 5
@test length(b) == length(A)
@test isa(b,Vector{Any})
end
# Regex
create_serialization_stream() do s
r1 = r"a?b.*"
serialize(s, r1)
seekstart(s)
r2 = deserialize(s)
@test r1 == r2
end
# issue #13452
module Test13452
using Base.Test
module Shell
export foo
foo(x) = error("Instances must implement foo")
end
module Instance1
using ..Shell
Shell.foo(x::Int) = "This is an Int"
end
using .Shell, .Instance1
io = IOBuffer()
serialize(io, foo)
str = takebuf_string(io)
@test isempty(search(str, "Instance1"))
@test !isempty(search(str, "Shell"))
end # module Test13452
# issue #15163
type B15163{T}
x::Array{T}
end
let b = IOBuffer()
serialize(b,B15163([1]))
seekstart(b)
c = deserialize(b)
@test isa(c,B15163) && c.x == [1]
end
# issue #15849
let b = IOBuffer()
vt = Tuple[(1,)]
serialize(b, vt)
seekstart(b)
@test deserialize(b) == vt
end
# issue #1770
let
a = ['T', 'e', 's', 't']
f = IOBuffer()
serialize(f, a)
seek(f, 0)
@test deserialize(f) == a
f = IOBuffer()
serialize(f, a)
seek(f, 0)
@test deserialize(f) == a
# issue #4414
seek(f,0)
serialize(f, :β)
seek(f,0)
@test deserialize(f) === :β
end