Add coverage for div

Author: MilesCranmer

src/math.jl

@@ -143,7 +143,7 @@ end
 ############################## Same dimension as input ##################################
 for f in (
     :float, :abs, :real, :imag, :conj, :adjoint, :unsigned,
-    :nextfloat, :prevfloat, :identity, :transpose,
+    :nextfloat, :prevfloat, :identity, :transpose, :significand
 )
     @eval function Base.$f(q::UnionAbstractQuantity)
         return new_quantity(typeof(q), $f(ustrip(q)), dimension(q))
@@ -173,7 +173,7 @@ end
 function Base.round(::Type{Ti}, q::UnionAbstractQuantity, r::RoundingMode=RoundNearest) where {Ti<:Integer}
     return new_quantity(typeof(q), round(Ti, ustrip(q), r), dimension(q))
 end
-for f in (:floor, :trunc, :ceil, :significand)
+for f in (:floor, :trunc, :ceil)
     @eval begin
         function Base.$f(q::UnionAbstractQuantity)
             return new_quantity(typeof(q), $f(ustrip(q)), dimension(q))

test/unittests.jl

@@ -1154,6 +1154,8 @@ end
                 for y in valid_inputs[end-3:end]
                     qy_dimensionless = Quantity(y, D)
                     qy_dimensions = Quantity(y, convert(D, dimension(u"m/s")))
+                    @eval @test $f($y, $qx_dimensionless) == $f($y, $x)
+                    @eval @test $f($qy_dimensionless, $x) == $f($y, $x)
                     @eval @test $f($qy_dimensionless, $qx_dimensionless) == $f($y, $x)
                     @eval @test $f($qy_dimensions, $qx_dimensions) == $f($y, $x)
                     @eval @test_throws DimensionError $f($qy_dimensions, $x)
@@ -1170,7 +1172,7 @@ end
         :nextfloat, :prevfloat, :identity, :transpose,
         :copysign, :flipsign, :mod, :modf,
         :floor, :trunc, :ceil, :significand,
-        :ldexp, :round
+        :ldexp, :round,
     )
     for Q in (Quantity, GenericQuantity), D in (Dimensions, SymbolicDimensions), f in functions
         T = f in (:abs, :real, :imag, :conj) ? ComplexF64 : Float64
@@ -1190,6 +1192,11 @@ end
                     qx_dimensions = Q(x, dim)
                     qy_dimensions = Q(y, dim)
                     @eval @test $f($qx_dimensions, $qy_dimensions) == $Q($f($x, $y), $dim)
+                    if f in (:copysign, :flipsign, :mod)
+                        # Also do test without dimensions
+                        @eval @test $f($x, $qy_dimensions) == $f($x, $y)
+                        @eval @test $f($qx_dimensions, $y) == $Q($f($x, $y), $dim)
+                    end
                 end
             end
         elseif f == :unsigned
@@ -1198,7 +1205,7 @@ end
                 qx_dimensions = Q(x, dim)
                 @eval @test $f($qx_dimensions) == $Q($f($x), $dim)
             end
-        elseif f == :round
+        elseif f in (:round, :floor, :trunc, :ceil)
             for x in 5rand(T, 3) .- 2.5
                 dim = convert(D, dimension(u"m/s"))
                 qx_dimensions = Q(x, dim)
@@ -1227,3 +1234,16 @@ end
         end
     end
 end
+
+@testset "Test div" begin
+    for Q in (Quantity, GenericQuantity)
+        x = Q{Int}(10, length=1)
+        y = Q{Int}(3, mass=-1)
+        @test div(x, y) == Q{Int}(3, length=1, mass=1)
+        @test div(x, y, RoundFromZero) == Q{Int}(4, length=1, mass=1)
+        @test div(x, 3) == Q{Int}(3, length=1)
+        @test div(x, 3, RoundFromZero) == Q{Int}(4, length=1)
+        @test div(10, y) == Q{Int}(3, mass=1)
+        @test div(10, y, RoundFromZero) == Q{Int}(4, mass=1)
+    end
+end