Add more test.

Author: N5N3

test/copy.jl

@@ -58,15 +58,15 @@ end
         @test B == A
     end
     let A = reshape(1:6, 3, 2), B = zeros(8,8)
-        RA = CartesianIndices(axes(A))
-        copyto!(B, CartesianIndices((5:7,2:3)), A, RA)
-        @test B[5:7,2:3] == A
-        B[5:7,2:3] .= 0
-        @test all(x->x==0, B)
-        copyto!(B, CartesianIndices((3:2:7,1:2:3)), A, RA)
-        @test B[3:2:7,1:2:3] == A
-        copyto!(B, CartesianIndices((7:-1:5,3:-1:2)), A, CartesianIndices(map(reverse, axes(A))))
-        @test B[5:7,2:3] == A
+        RBs = Any[(5:7,2:3), (3:2:7,1:2:3), (6:-1:4,2:-1:1)]
+        RAs = Any[axes(A), reverse.(axes(A))]
+        for RB in RBs, RA in RAs
+            copyto!(B, CartesianIndices(RB), A, CartesianIndices(RA))
+            display(B)
+            @test B[RB...] == A[RA...]
+            B[RB...] .= 0
+            @test all(iszero, B)
+        end
     end
 end