Add constructor test for OffsetArray.

Author: N5N3

Project.toml

@@ -13,7 +13,8 @@ julia = "1.6"
 [extras]
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
 InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["InteractiveUtils", "Test", "BenchmarkTools"]
+test = ["InteractiveUtils", "Test", "BenchmarkTools", "OffsetArrays"]

test/convert.jl

@@ -57,3 +57,12 @@ struct BugStaticVector <: StaticVector{2,Int} end
     @test_inlined f((1,2,3,4))
 end
 
+using OffsetArrays
+@testset "constructor/convert from OffsetArray" begin
+    a = OffsetArray([-1 1;0 2], -1, -1)
+    b = OffsetArray([-1,0,1,2], -1)
+    c = OffsetArray(-1:2, -1)
+    d = Base.IdentityUnitRange(-1:2)
+    @test SVector{4}(a) === SVector{4}(b) === SVector{4}(c) === SVector{4}(d) == [-1,0,1,2]
+    @test SMatrix{2,2}(a) === SMatrix{2,2}(b) === SMatrix{2,2}(c) === SMatrix{2,2}(d) == [-1 1;0 2]
+end