Add tests with Aqua.jl (#160)

* add tests with Aqua.jl

* fix compat table

* specify Julia version for test with Aqua.jl

Project.toml

@@ -14,14 +14,16 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 IntervalSetsStatisticsExt = "Statistics"
 
 [compat]
+Aqua = "0.7"
 julia = "1.6"
 
 [extras]
+Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [targets]
-test = ["Test", "Random", "OffsetArrays", "Statistics", "Unitful"]
+test = ["Aqua", "Test", "Random", "OffsetArrays", "Statistics", "Unitful"]

README.md

@@ -5,6 +5,7 @@ Interval Sets for Julia
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://JuliaMath.github.io/IntervalSets.jl/dev)
 [![Build Status](https://github.com/JuliaMath/IntervalSets.jl/workflows/CI/badge.svg)](https://github.com/JuliaMath/IntervalSets.jl/actions)
 [![Coverage](https://codecov.io/gh/JuliaMath/IntervalSets.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaMath/IntervalSets.jl)
+[![Aqua QA](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl)
 
 This package represents intervals of an ordered set. For an interval
 spanning from `a` to `b`, all values `x` that lie between `a` and `b`

test/runtests.jl

@@ -8,6 +8,12 @@ using Unitful
 
 import IntervalSets: Domain, endpoints, closedendpoints, TypedEndpointsInterval
 
+using Aqua
+if VERSION ≥ v"1.7.0-"
+    # The verison specification can be removed when https://github.com/JuliaTesting/Aqua.jl/issues/208 is resolved.
+    Aqua.test_all(IntervalSets)
+end
+
 struct MyClosedUnitInterval <: TypedEndpointsInterval{:closed,:closed,Int} end
 endpoints(::MyClosedUnitInterval) = (0,1)
 Base.promote_rule(::Type{MyClosedUnitInterval}, ::Type{ClosedInterval{T}}) where T =