forked from JuliaLang/julia
/
hashing.jl
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/
hashing.jl
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types = {
Bool, Char,
Int8, Uint8, Int16, Uint16, Int32, Uint32, Int64, Uint64, Float32, Float64,
Rational{Int8}, Rational{Uint8}, Rational{Int16}, Rational{Uint16},
Rational{Int32}, Rational{Uint32}, Rational{Int64}, Rational{Uint64}
}
vals = [
typemin(Int64),
-integer(maxintfloat(Float64))+(-4:1),
typemin(Int32),
-integer(maxintfloat(Float32))+(-4:1),
-2:2,
integer(maxintfloat(Float32))+(-1:4),
typemax(Int32),
integer(maxintfloat(Float64))+(-1:4),
typemax(Int64),
]
for T=types, S=types, x=vals
a = convert(T,x)
b = convert(S,x)
if (isa(a,Char) && !is_valid_char(a)) || (isa(b,Char) && !is_valid_char(b))
continue
end
#println("$(typeof(a)) $a")
#println("$(typeof(b)) $b")
@test isequal(a,b) == (hash(a)==hash(b))
# for y=vals
# println("T=$T; S=$S; x=$x; y=$y")
# c = convert(T,x//y)
# d = convert(S,x//y)
# @test !isequal(a,b) || hash(a)==hash(b)
# end
end
# hashing collections (e.g. issue #6870)
vals = {[1,2,3,4], [1 3;2 4], {1,2,3,4}, [1,3,2,4],
[1,0], [true,false], bitpack([true,false]),
Set([1,2,3,4]),
Set([1:10]), # these lead to different key orders
Set([7,9,4,10,2,3,5,8,6,1]), #
[42 => 101, 77 => 93], {42 => 101, 77 => 93},
(1,2,3,4), (1.0,2.0,3.0,4.0), (1,3,2,4),
("a","b"), (SubString("a",1,1), SubString("b",1,1)),
# issue #6900
[x => x for x in 1:10],
[7=>7,9=>9,4=>4,10=>10,2=>2,3=>3,8=>8,5=>5,6=>6,1=>1]}
for a in vals, b in vals
@test isequal(a,b) == (hash(a)==hash(b))
end
@test hash(RopeString("1","2")) == hash("12")
@test hash(SubString("--hello--",3,7)) == hash("hello")
@test hash(:(X.x)) == hash(:(X.x))
@test hash(:(X.x)) != hash(:(X.y))
@test hash([1,2]) == hash(sub([1,2,3,4],1:2))