Fix and test for ambiguities on 0.6

Author: timholy

src/RoundingIntegers.jl

@@ -77,8 +77,8 @@ Base.promote_rule{T<:Real,RI<:RInteger}(::Type{Complex{T}}, ::Type{RI}) =
     promote_type(Complex{T}, itype(RI))
 Base.promote_rule{T<:Integer,RI<:RInteger}(::Type{Rational{T}}, ::Type{RI}) =
     promote_type(Rational{T}, itype(RI))
-Base.promote_rule{s,RI<:RInteger}(::Type{Irrational{s}}, ::Type{RI}) =
-    promote_type(Irrational{S}, itype(RI))
+@compat Base.promote_rule{RI<:RInteger}(::Type{<:Irrational}, ::Type{RI}) =
+    promote_type(Float64, itype(RI))
 
 (::Type{Signed})(x::RSigned) = reinterpret(itype(x), x)
 (::Type{Unsigned})(x::RUnsigned) = reinterpret(itype(x), x)
@@ -90,8 +90,9 @@ Base.promote_rule{s,RI<:RInteger}(::Type{Irrational{s}}, ::Type{RI}) =
 (::Type{RInteger})(x::Unsigned) = RUnsigned(x)
 
 # Basic conversions
-@inline Base.convert{T<:RSigned}(::Type{T}, x::T) = x
-@inline Base.convert{T<:RUnsigned}(::Type{T}, x::T) = x
+# @inline Base.convert{T<:RSigned}(::Type{T}, x::T) = x
+# @inline Base.convert{T<:RUnsigned}(::Type{T}, x::T) = x
+@inline Base.convert{T<:RInteger}(::Type{T}, x::T) = x
 @inline Base.convert{T<:RInteger}(::Type{T}, x::RInteger) =
     RInteger(convert(itype(T), Integer(x)))
 @inline Base.convert{T<:RInteger}(::Type{T}, x::Integer) = RInteger(convert(itype(T), x))
@@ -120,6 +121,7 @@ Base.convert{T<:RInteger}(::Type{T}, x::Float16) = RInteger(convert(itype(T), x)
 Base.convert(::Type{Bool}, x::RInteger) = convert(Bool, Integer(x))
 
 # rem conversions
+@inline Base.rem{T<:RInteger}(x::T, ::Type{T}) = T
 @inline Base.rem{T<:RInteger}(x::Integer, ::Type{T}) = RInteger(rem(x, itype(T)))
 # ambs
 @inline Base.rem{T<:RInteger}(x::BigInt, ::Type{T}) = error("no rounding BigInt available")

test/runtests.jl

@@ -1,7 +1,13 @@
-using RoundingIntegers
 using Compat, Base.Test
-
-@test isempty(detect_ambiguities(Base, Core, RoundingIntegers))
+if VERSION < v"0.6.0-pre.alpha.229"
+    using RoundingIntegers
+    @test isempty(detect_ambiguities(Base, Core, RoundingIntegers))
+else
+    ambs0 = detect_ambiguities(Base, Core, Compat)
+    using RoundingIntegers
+    ambs1 = detect_ambiguities(Base, Core, Compat, RoundingIntegers)
+    @test isempty(setdiff(ambs1, ambs0))
+end
 
 @testset "Basics" begin
     r16 = RInt16(3)