A few missing indices tests (#31706)

* Missing IndexStyle tests * promote_shape for Tuples/Dims
JuliaLang · Apr 25, 2019 · 93c9ae4 · 93c9ae4
1 parent e753c67
commit 93c9ae4
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/test/abstractarray.jl b/test/abstractarray.jl
@@ -970,3 +970,20 @@ end
     @test get(11:15, CartesianIndex(6), nothing) === nothing
     @test get(11:15, CartesianIndex(5), nothing) === 15
 end
+
+@testset "IndexStyle for various types" begin
+    @test Base.IndexStyle(UpperTriangular) == IndexCartesian() # subtype of AbstractArray, not of Array
+    @test Base.IndexStyle(Vector) == IndexLinear()
+    @test Base.IndexStyle(UnitRange) == IndexLinear()
+    @test Base.IndexStyle(UpperTriangular(rand(3, 3)), [1; 2; 3]) == IndexCartesian()
+    @test Base.IndexStyle(UpperTriangular(rand(3, 3)), rand(3, 3), [1; 2; 3]) == IndexCartesian()
+    @test Base.IndexStyle(rand(3, 3), [1; 2; 3]) == IndexLinear()
+end
+
+@testset "promote_shape for Tuples and Dims" begin
+    @test promote_shape((2, 1), (2,)) == (2, 1)
+    @test_throws DimensionMismatch promote_shape((2, 3), (2,))
+    @test promote_shape(Dims((2, 1)), Dims((2,))) == (2, 1)
+    @test_throws DimensionMismatch promote_shape(Dims((2, 2)), Dims((2,)))
+    @test_throws DimensionMismatch promote_shape(Dims((2, 3, 1)), Dims((2,2)))
+end