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fix: Validate constructed date has year within typemin/max #54933

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fix: Validate constructed date has year within typemin/max #54933

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bd5224e
fix: Validate constructed date has year within typemin/max
mcmcgrath13 Jun 25, 2024
7b4edae
fix: finish the copy/pasting
mcmcgrath13 Jun 25, 2024
dc1b53d
fix: avoid stack overflow
mcmcgrath13 Jun 25, 2024
37b781c
fix: datetime has a different year typemax
mcmcgrath13 Jun 25, 2024
f245773
fix: remove unneccessary T
mcmcgrath13 Jun 25, 2024
c785f4c
fix: min/max assymmetry
mcmcgrath13 Jun 25, 2024
c7cefd0
fix: date typemin
mcmcgrath13 Jun 25, 2024
459fcb5
fix: try to prevent overshooting on range calculation
mcmcgrath13 Jun 25, 2024
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14 changes: 10 additions & 4 deletions stdlib/Dates/src/types.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -249,8 +249,11 @@ function DateTime(y::Int64, m::Int64=1, d::Int64=1,
return DateTime(UTM(rata))
end

const DATETIME_YEAR_TYPEMAX = 146138512
const DATETIME_YEAR_TYPEMIN = -146138511
Comment on lines +252 to +253
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I appreciate factoring out these magic numbers.

function validargs(::Type{DateTime}, y::Int64, m::Int64, d::Int64,
h::Int64, mi::Int64, s::Int64, ms::Int64, ampm::AMPM=TWENTYFOURHOUR)
DATETIME_YEAR_TYPEMIN <= y <= DATETIME_YEAR_TYPEMAX || return ArgumentError("Year: $y out of range ($(DATETIME_YEAR_TYPEMIN):$DATETIME_YEAR_TYPEMAX)")
0 < m < 13 || return ArgumentError("Month: $m out of range (1:12)")
0 < d < daysinmonth(y, m) + 1 || return ArgumentError("Day: $d out of range (1:$(daysinmonth(y, m)))")
if ampm == TWENTYFOURHOUR # 24-hour clock
Expand Down Expand Up @@ -278,9 +281,12 @@ function Date(y::Int64, m::Int64=1, d::Int64=1)
return Date(UTD(totaldays(y, m, d)))
end

const DATE_YEAR_TYPEMAX = 252522163911149
const DATE_YEAR_TYPEMIN = -252522163911148
function validargs(::Type{Date}, y::Int64, m::Int64, d::Int64)
0 < m < 13 || return ArgumentError("Month: $m out of range (1:12)")
0 < d < daysinmonth(y, m) + 1 || return ArgumentError("Day: $d out of range (1:$(daysinmonth(y, m)))")
DATE_YEAR_TYPEMIN <= y <= DATE_YEAR_TYPEMAX || return ArgumentError("Year: $y out of range ($(DATE_YEAR_TYPEMIN):$DATE_YEAR_TYPEMAX)")
return nothing
end

Expand Down Expand Up @@ -461,10 +467,10 @@ Base.zero(::Type{Time}) = Nanosecond(0)
Base.zero(::T) where T <: TimeType = zero(T)::Period


Base.typemax(::Union{DateTime, Type{DateTime}}) = DateTime(146138512, 12, 31, 23, 59, 59)
Base.typemin(::Union{DateTime, Type{DateTime}}) = DateTime(-146138511, 1, 1, 0, 0, 0)
Base.typemax(::Union{Date, Type{Date}}) = Date(252522163911149, 12, 31)
Base.typemin(::Union{Date, Type{Date}}) = Date(-252522163911150, 1, 1)
Base.typemax(::Union{DateTime, Type{DateTime}}) = DateTime(DATETIME_YEAR_TYPEMAX, 12, 31, 23, 59, 59)
Base.typemin(::Union{DateTime, Type{DateTime}}) = DateTime(DATETIME_YEAR_TYPEMIN, 1, 1, 0, 0, 0)
Base.typemax(::Union{Date, Type{Date}}) = Date(DATE_YEAR_TYPEMAX, 12, 31)
Base.typemin(::Union{Date, Type{Date}}) = Date(DATE_YEAR_TYPEMIN, 1, 1)
Base.typemax(::Union{Time, Type{Time}}) = Time(23, 59, 59, 999, 999, 999)
Base.typemin(::Union{Time, Type{Time}}) = Time(0)
# Date-DateTime promotion, isless, ==
Expand Down
6 changes: 5 additions & 1 deletion stdlib/Dates/test/types.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -151,15 +151,19 @@ end
@test_throws InexactError Dates.Date(1.2f0, 1.f0, 1.f0)
@test_throws InexactError Dates.Date(3//4, Rational(1), Rational(1)) == test

# Months, days, hours, minutes, seconds, and milliseconds must be in range
# Years, months, days, hours, minutes, seconds, and milliseconds must be in range
@test_throws ArgumentError Dates.Date(2013, 0, 1)
@test_throws ArgumentError Dates.Date(2013, 13, 1)
@test_throws ArgumentError Dates.Date(2013, 1, 0)
@test_throws ArgumentError Dates.Date(2013, 1, 32)
@test_throws ArgumentError Dates.Date(year(typemax(Date))+1, 1, 1)
@test_throws ArgumentError Dates.Date(year(typemin(Date))-1, 1, 32)
@test_throws ArgumentError Dates.DateTime(2013, 0, 1)
@test_throws ArgumentError Dates.DateTime(2013, 13, 1)
@test_throws ArgumentError Dates.DateTime(2013, 1, 0)
@test_throws ArgumentError Dates.DateTime(2013, 1, 32)
@test_throws ArgumentError Dates.DateTime(year(typemax(DateTime))+1, 1, 1)
@test_throws ArgumentError Dates.DateTime(year(typemin(DateTime))-1, 1, 32)
@test_throws ArgumentError Dates.DateTime(2013, 1, 1, 25)
@test_throws ArgumentError Dates.DateTime(2013, 1, 1, -1)
@test_throws ArgumentError Dates.DateTime(2013, 1, 1, 0, -1)
Expand Down