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module TestLowering
using JSON
using Test
using Dates
using FixedPointNumbers: Fixed
@test JSON.json(Date(2016, 8, 3)) == "\"2016-08-03\""
@test JSON.json(:x) == "\"x\""
@test_throws ArgumentError JSON.json(Base)
struct Type151{T}
x::T
end
@test JSON.parse(JSON.json(Type151)) == string(Type151)
JSON.lower(v::Type151{T}) where {T} = Dict(:type => T, :value => v.x)
@test JSON.parse(JSON.json(Type151(1.0))) == Dict(
"type" => "Float64",
"value" => 1.0)
fixednum = Fixed{Int16, 15}(0.1234)
@test JSON.parse(JSON.json(fixednum)) == convert(Float64, fixednum)
# test that the default string-serialization of enums can be overriden by
# `lower` if needed
@enum Fruit apple orange banana
JSON.lower(x::Fruit) = string("Fruit: ", x)
@test JSON.json(apple) == "\"Fruit: apple\""
@enum Vegetable carrot tomato potato
JSON.lower(x::Vegetable) = Dict(string(x) => Int(x))
@test JSON.json(potato) == "{\"potato\":2}"
end
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