Add tests

Author: blegat

test/exponents_iterator.jl

@@ -0,0 +1,48 @@
+module TestExponentsIterator
+
+using Test
+using MultivariatePolynomials
+
+function _test(object, M; kws...)
+    it = ExponentsIterator{M}(object; kws...)
+    v = collect(Iterators.take(it, 20))
+    @test issorted(v, lt = (a, b) -> compare(a, b, M))
+end
+
+function _test(nvars::Int, M; kws...)
+    _test(zeros(Int, nvars); inline = false, kws...)
+    _test(zeros(Int, nvars); inline = true, kws...)
+    _test(ntuple(zero, nvars); inline = false, kws...)
+    return
+end
+
+function test_all()
+    @testset "nvariables = $nvars" for nvars in 0:3
+        @testset "mindegree = $mindegree" for mindegree in 0:3
+            @testset "maxdegree = $maxdegree" for maxdegree in vcat(nothing; 0:3)
+                for L in [LexOrder, InverseLexOrder]
+                    @testset "M = $M" for M in [
+                        L, Graded{L},
+                    ]
+                        _test(nvars, M; mindegree, maxdegree)
+                    end
+                end
+            end
+        end
+    end
+end
+
+function runtests()
+    for name in names(@__MODULE__; all = true)
+        if startswith("$(name)", "test_")
+            @testset "$(name)" begin
+                getfield(@__MODULE__, name)()
+            end
+        end
+    end
+    return
+end
+
+end # module
+
+TestExponentsIterator.runtests()