fix roundtrip of Tuple{Type{Int}} (#485)

Co-authored-by: Jonas Isensee <[email protected]>
JuliaIO · Sep 22, 2023 · 4abf486 · 4abf486
1 parent 2f9b17e
commit 4abf486
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/src/data/writing_datatypes.jl b/src/data/writing_datatypes.jl
@@ -356,11 +356,11 @@ const H5TYPE_DATATYPE = CompoundDatatype(
 )
 
 function h5fieldtype(f::JLDFile, ::Type{T}, readas::Type, ::Initialized) where T<:DataType
-    if !(readas <: DataType)
+    if !(readas <: DataType) || (T isa Type{Type{T}} where T)
         @lookup_committed f readas
         return commit(f, H5TYPE_DATATYPE, DataType, readas)
     end
-
+    
     @lookup_committed f DataType
     io = f.io
     offset = f.end_of_data

diff --git a/test/loadsave.jl b/test/loadsave.jl
@@ -680,5 +680,10 @@ JLD2.rconvert(::Type{OldStructVersion}, nt::NamedTuple) = OldStructVersion(nt.x,
     end
 end
 
-
-
+@testset "Issue #484 round-trip Tuple{Type{Int}}" begin
+    cd(mktempdir()) do 
+        T = Tuple{Type{Int}}
+	jldsave("test.jld2"; T)
+	@test T == load("test.jld2", "T")
+    end
+end