added some more tests to arrays.jl (#935)

Add tests for different sizes of arrays

test/arrays.jl

@@ -17,6 +17,23 @@ using Images, IndirectArrays, Test
     for (a,t) in zip(A, target)
         @test a === t
     end
+
+    intensity1 = [0.1 0.3 0.6; 0.2 0.4 0.1]
+   labels1 = IndirectArray([1 2 3; 2 1 3], [RGB(1,0,0), RGB(0,0,1),RGB(0,1,0)])
+   A1 = ColorizedArray(intensity1, labels1)
+   target1 = intensity1 .* labels1
+   @test eltype(A1) == RGB{Float64}
+   @test size(A1) == (2,3)
+   @test axes(A1) == (1:2, 1:3)
+   for i = 1:6
+       @test A1[i] === target1[i]
+   end
+   for j = 1:3, i = 1:2
+       @test A1[i,j] === target1[i,j]
+   end
+   for (a,t) in zip(A1, target1)
+       @test a === t
+   end
 end
 
 nothing