Merge pull request #278 from JuliaArrays/ksh/aatest

Fix bug for sizedarray_similar_type, more tests

Author: kshyatt

src/abstractarray.jl

@@ -66,7 +66,7 @@ mutable_similar_type{T,S,D}(::Type{T}, s::Size{S}, ::Type{Val{D}}) = MArray{Tupl
 #similar_type{SA<:SizedArray,T,S}(::Type{SA},::Type{T},s::Size{S}) = sizedarray_similar_type(T,s,length_val(s))
 #similar_type{A<:Array,T,S}(::Type{A},::Type{T},s::Size{S}) = sizedarray_similar_type(T,s,length_val(s))
 
-sizedarray_similar_type{T,S,D}(::Type{T},s::Size{S},::Type{Val{D}}) = SizedArray{Tuple{S...},T,D,D}
+sizedarray_similar_type{T,S,D}(::Type{T},s::Size{S},::Type{Val{D}}) = SizedArray{Tuple{S...},T,D,length(s)}
 
 # Field vectors are user controlled, and currently default to SVector, etc
 

test/abstractarray.jl

@@ -60,6 +60,9 @@
         @test isa(@inferred(similar(SArray{Tuple{1,1,1},Int,3,1}, Float64)), MArray{Tuple{1,1,1},Float64,3,1})
         @test isa(@inferred(similar(sv, Size(3,3,3))), MArray{Tuple{3,3,3},Int,3,27})
         @test isa(@inferred(similar(sv, Float64, Size(3,3,3))), MArray{Tuple{3,3,3},Float64,3,27})
+
+        @test isa(@inferred(similar(Diagonal{Int}, Size(2,2))), MArray{Tuple{2, 2}, Int, 2, 4})
+        @test isa(@inferred(similar(Matrix{Int}, Int, Size(2,2))), SizedArray{Tuple{2, 2}, Int, 2, 2})
     end
 
     @testset "reshape" begin
@@ -69,7 +72,11 @@
         @test @inferred(vec(SMatrix{2, 2}([1 2; 3 4])))::SVector{4,Int} == [1, 3, 2, 4]
 
         # AbstractArray
-        @test reshape(view(ones(4,4), 1:4, 1:2), Size(4,2)) == SMatrix{4,2}(ones(4,2))
+        # CartesianIndex
+        @test reshape(view(ones(4, 4), 1:4, 1:2), Size(4, 2)) == SMatrix{4,2}(ones(4, 2))
+        # IndexLinear
+        @test reshape(view(ones(4, 4), 1, 1:4), Size(4, 1)) == SMatrix{4,1}(ones(4, 1))
+        @test_throws DimensionMismatch reshape(view(ones(4,4), 1:4, 1:2), Size(5, 2))
     end
 
     @testset "copy" begin