define equality with other arrays

Author: Shashi Gowda

Diff for: src/array/darray.jl

@@ -344,3 +344,11 @@ end
 function distribute(x::AbstractVector, n::Vector)
     distribute(x, DomainBlocks((1,), n))
 end
+
+function Base.:(==){T,S,N}(x::ArrayOp{T,N}, y::AbstractArray{S,N})
+    collect(x) == y
+end
+
+function Base.:(==){T,S,N}(x::AbstractArray{T,N}, y::ArrayOp{S,N})
+    return collect(x) == y
+end

Diff for: test/array.jl

@@ -31,14 +31,14 @@ end
 @testset "distributing an array" begin
     function test_dist(X)
         X1 = Distribute(Blocks(10, 20), X)
-        @test collect(X1) == X
+        @test X1 == X
         Xc = compute(X1)
         @test chunks(Xc) |> size == (10, 5)
         @test domainchunks(Xc) |> size == (10, 5)
         @test map(x->size(x) == (10, 20), domainchunks(Xc)) |> all
     end
     x = [1 2; 3 4]
-    @test collect(Distribute(Blocks(1,1), x)) == x
+    @test Distribute(Blocks(1,1), x) == x
     #test_dist(rand(100, 100))
     #test_dist(sprand(100, 100, 0.1))
 end
@@ -47,7 +47,7 @@ end
     function test_transpose(X)
         x, y = size(X)
         X1 = Distribute(Blocks(10, 20), X)
-        @test collect(X1') == X'
+        @test X1' == X'
         Xc = compute(X1')
         @test chunks(Xc) |> size == (div(y, 20), div(x,10))
         @test domainchunks(Xc) |> size == (div(y, 20), div(x, 10))