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# This file is a part of Julia. License is MIT: https://julialang.org/license
# For curmod_*
include("testenv.jl")
using Test, Serialization
isdefined(Main, :MacroCalls) || @eval Main include("testhelpers/MacroCalls.jl")
using Main.MacroCalls
@test_throws MethodError convert(Enum, 1.0)
@test_throws ArgumentError("no arguments given for Enum Foo") @macrocall(@enum Foo)
@test_throws ArgumentError("invalid base type for Enum Foo2, Foo2::Float64=::Float64; base type must be an integer primitive type") @macrocall(@enum Foo2::Float64 apple=1.)
@enum Fruit apple orange kiwi
@test typeof(Fruit) == DataType
@test isbitstype(Fruit)
@test isbits(apple)
@test typeof(apple) <: Fruit <: Enum
@test Int(apple) == 0
@test Int(orange) == 1
@test Int(kiwi) == 2
@test Fruit(0) == apple
@test Fruit(1) == orange
@test Fruit(2) == kiwi
@test_throws ArgumentError Fruit(3)
@test_throws ArgumentError Fruit(-1)
@test Fruit(0x00) == apple
@test Fruit(big(0)) == apple
@test_throws MethodError Fruit(0.0)
@test typemin(Fruit) == apple
@test typemax(Fruit) == kiwi
@test Fruit(0) == apple
@test Fruit(1) == orange
@test Fruit(2) == kiwi
@test_throws ArgumentError Fruit(3)
@test_throws ArgumentError Fruit(-1)
@test UInt8(apple) === 0x00
@test UInt16(orange) === 0x0001
@test UInt128(kiwi) === 0x00000000000000000000000000000002
@test typeof(BigInt(apple)) <: BigInt
@test BigInt(apple) == 0
@test Bool(apple) == false
@test Bool(orange) == true
@test_throws InexactError Bool(kiwi)
@test instances(Fruit) == (apple, orange, kiwi)
f(x::Fruit) = "hey, I'm a Fruit"
@test f(apple) == "hey, I'm a Fruit"
d = Dict(apple=>"apple",orange=>"orange",kiwi=>"kiwi")
@test d[apple] == "apple"
@test d[orange] == "orange"
@test d[kiwi] == "kiwi"
vals = [apple,orange,kiwi]
for (i,enum) in enumerate(instances(Fruit))
@test enum == vals[i]
end
@enum(QualityofFrenchFood, ReallyGood)
@test length(instances(QualityofFrenchFood)) == 1
@test typeof(ReallyGood) <: QualityofFrenchFood <: Enum
@test Int(ReallyGood) == 0
@enum Binary _zero=0 _one=1 _two=10 _three=11
@test Int(_zero) === 0
@test Int(_one) === 1
@test Int(_two) === 10
@test Int(_three) === 11
@enum Negative _neg1=-1 _neg2=-2
@test Int(_neg1) === -1
@test Int(_neg2) === -2
@test_throws InexactError UInt8(_neg1)
@enum Negative2 _neg5=-5 _neg4 _neg3
@test Int(_neg5) === -5
@test Int(_neg4) === -4
@test Int(_neg3) === -3
@test_throws ArgumentError("invalid value for Enum Test1, _zerofp = 0.0; values must be integers") @macrocall(@enum Test1 _zerofp=0.0)
@test_throws ArgumentError("invalid value for Enum Test11, _zerofp2 = 0.5; values must be integers") @macrocall(@enum Test11 _zerofp2=0.5)
@enum Test111 _zerobi=BigInt(1)
@test Integer(_zerobi) == 1
# can't use non-identifiers as enum members
@test_throws ArgumentError("""invalid argument for Enum Test2: if x
1
else
2
end""") @macrocall(@enum Test2 x ? 1 : 2)
@test_throws ArgumentError("invalid argument for Enum Test22: 1 = 2") @macrocall(@enum Test22 1=2)
# other Integer types of enum members
@enum Test3::UInt8 _one_Test3=0x01 _two_Test3=0x02 _three_Test3=0x03
@test Test3.size == 1
@test UInt8(_one_Test3) === 0x01
@test length(instances(Test3)) == 3
@enum Test4::UInt16 _one_Test4=0x01 _two_Test4=0x0002 _three_Test4=0x03
@test Test4.size == 2
@enum Test5::UInt32 _one_Test5=0x01 _two_Test5=0x00000002 _three_Test5=0x00000003
@test Test5.size == 4
@enum Test6::UInt128 _one_Test6=0x00000000000000000000000000000001 _two_Test6=0x00000000000000000000000000000002
@test Test6.size == 16
@test typeof(Integer(_one_Test6)) == UInt128
# enum values must be integers
@test_throws ArgumentError("invalid value for Enum Test7, _zero = \"zero\"; values must be integers") @macrocall(@enum Test7 _zero="zero")
@test_throws ArgumentError("invalid value for Enum Test8, _zero = '0'; values must be integers") @macrocall(@enum Test8 _zero='0')
@test_throws ArgumentError("invalid value for Enum Test9, _zero = 0.5; values must be integers") @macrocall(@enum Test9 _zero=0.5)
# test macro handles keyword arguments
@enum(Test11, _zero_Test11=2,
_one_Test11,
_two_Test11=5,
_three_Test11)
@test Int(_zero_Test11) == 2
@test Int(_one_Test11) == 3
@test Int(_two_Test11) == 5
@test Int(_three_Test11) == 6
# don't allow enum value to overflow
@test_throws ArgumentError("overflow in value \"y\" of Enum EnumOvf") @macrocall(@enum EnumOvf x=typemax(Int32) y)
# test for unique Enum values
@test_throws ArgumentError("values for Enum Test14 are not unique") @macrocall(@enum(Test14, _zero_Test14, _one_Test14, _two_Test14=0))
@test repr(apple) == "apple::Fruit = 0"
@test string(apple) == "apple"
@test repr("text/plain", Fruit) == "Enum $(string(Fruit)):\napple = 0\norange = 1\nkiwi = 2"
@test repr("text/plain", orange) == "orange::Fruit = 1"
let io = IOBuffer()
ioc = IOContext(io, :compact=>false)
show(io, Fruit)
@test String(take!(io)) == sprint(print, Fruit)
end
@enum LogLevel DEBUG INFO WARN ERROR CRITICAL
@test DEBUG < CRITICAL
# serialization
let b = IOBuffer()
serialize(b, apple)
seekstart(b)
@test deserialize(b) === apple
end
@enum UI8::UInt8 ten=0x0A thr=0x03 sevn=0x07
@test repr("text/plain", UI8) == "Enum $(string(UI8)):\nten = 0x0a\nthr = 0x03\nsevn = 0x07"
# test block form
@enum BritishFood begin
blackpudding = 1
scotchegg = 2
haggis = 4
end
@test Int(haggis) == 4
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