Add lowering fallback for Real subtypes that converts to Float64 (#175)

JuliaIO · Oct 5, 2016 · 6b08c8d · 6b08c8d
1 parent 0e36473
commit 6b08c8d
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Showing 4 changed files with 6 additions and 0 deletions.
diff --git a/src/JSON.jl b/src/JSON.jl
@@ -59,6 +59,7 @@ end
 lower(c::Char) = string(c)
 lower(d::DataType) = string(d)
 lower(m::Module) = throw(ArgumentError("cannot serialize Module $m as JSON"))
+lower(x::Real) = Float64(x)
 
 const INDENT=true
 const NOINDENT=false

diff --git a/test/REQUIRE b/test/REQUIRE
@@ -1 +1,2 @@
 DataStructures
+FixedPointNumbers
diff --git a/test/lowering.jl b/test/lowering.jl
@@ -15,3 +15,6 @@ JSON.lower{T}(v::Type151{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)) == Float64(fixednum)
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -2,6 +2,7 @@ using JSON
 using Base.Test
 using Compat
 import DataStructures
+import FixedPointNumbers: Fixed
 
 include("json-checker.jl")
 include(joinpath(dirname(@__FILE__),"json_samples.jl"))