Use Aqua for quality checks (#47)

Author: jishnub

Project.toml

@@ -16,6 +16,7 @@ Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 [compat]
 AbstractFFTs = "0.5, 1"
 ApproxFunBase = "0.3, 0.4, 0.5, 0.6"
+Aqua = "0.5"
 DomainSets = "0.3, 0.4, 0.5"
 FFTW = "1.1"
 FastTransforms = "0.10, 0.11, 0.12, 0.13, 0.14"
@@ -26,8 +27,9 @@ SpecialFunctions = "0.8, 0.9, 0.10, 1.0, 2.0"
 julia = "1.3"
 
 [extras]
+Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test", "SpecialFunctions"]
+test = ["Aqua", "Test", "SpecialFunctions"]

test/runtests.jl

@@ -8,6 +8,11 @@ using SpecialFunctions
 _factorial(n) = gamma(n+1)
 using Test
 
+using Aqua
+@testset "Project quality" begin
+    Aqua.test_all(ApproxFunFourier, ambiguities=false, undefined_exports=false)
+end
+
 @testset "Periodic Domains" begin
     @test 0.1 ∈ PeriodicSegment(2π,0)
     @test 100.0 ∈ PeriodicSegment(0,2π)