145 lines
3.9 KiB
Julia
145 lines
3.9 KiB
Julia
# This file is a part of Julia. License is MIT: https://julialang.org/license
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mainres = ([4, 5, 3],
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[1, 5, 3])
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bitres = ([true, true, false],
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[false, true, false])
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chnlprod(x) = Channel(c->for i in x; put!(c,i); end)
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for (dest, src, bigsrc, emptysrc, res) in [
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([1, 2, 3], () -> [4, 5], () -> [1, 2, 3, 4, 5], () -> Int[], mainres),
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([1, 2, 3], () -> 4:5, () -> 1:5, () -> 1:0, mainres),
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([1, 2, 3], () -> chnlprod(4:5), () -> chnlprod(1:5), () -> chnlprod(1:0), mainres),
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(falses(3), () -> trues(2), () -> trues(5), () -> trues(0), bitres)]
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@test copy!(copy(dest), src()) == res[1]
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@test copy!(copy(dest), 1, src()) == res[1]
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@test copy!(copy(dest), 2, src(), 2) == res[2]
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@test copy!(copy(dest), 2, src(), 2, 1) == res[2]
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@test copy!(copy(dest), 99, src(), 99, 0) == dest
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@test copy!(copy(dest), 1, emptysrc()) == dest
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x = emptysrc()
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exc = isa(x, AbstractArray) ? BoundsError : ArgumentError
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@test_throws exc copy!(dest, 1, emptysrc(), 1)
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for idx in (0, 4)
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@test_throws BoundsError copy!(dest, idx, src())
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@test_throws BoundsError copy!(dest, idx, src(), 1)
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@test_throws BoundsError copy!(dest, idx, src(), 1, 1)
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x = src()
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exc = isa(x, AbstractArray) ? BoundsError : ArgumentError
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@test_throws exc copy!(dest, 1, x, idx)
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x = src()
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exc = isa(x, AbstractArray) ? BoundsError : ArgumentError
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@test_throws exc copy!(dest, 1, x, idx, 1)
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end
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@test_throws ArgumentError copy!(dest, 1, src(), 1, -1)
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@test_throws BoundsError copy!(dest, bigsrc())
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@test_throws BoundsError copy!(dest, 3, src())
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@test_throws BoundsError copy!(dest, 3, src(), 1)
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@test_throws BoundsError copy!(dest, 3, src(), 1, 2)
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@test_throws BoundsError copy!(dest, 1, src(), 2, 2)
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end
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let A = reshape(1:6, 3, 2), B = similar(A)
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RA = CartesianRange(indices(A))
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copy!(B, RA, A, RA)
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@test B == A
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end
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let A = reshape(1:6, 3, 2), B = zeros(8,8)
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RA = CartesianRange(indices(A))
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copy!(B, CartesianRange((5:7,2:3)), A, RA)
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@test B[5:7,2:3] == A
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B[5:7,2:3] = 0
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@test all(x->x==0, B)
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end
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# test behavior of shallow and deep copying
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let a = Any[[1]], q = QuoteNode([1])
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ca = copy(a); dca = @inferred(deepcopy(a))
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@test ca !== a
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@test ca[1] === a[1]
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@test dca !== a
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@test dca[1] !== a[1]
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@test deepcopy(q).value !== q.value
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end
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# issue #13124
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let a = rand(3, 5)
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b = (a,a)
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c = deepcopy(b)
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@test c[1] === c[2]
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end
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# issue #14027
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@test isnull(deepcopy(Nullable{Array}()))
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# issue #15250
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let a1 = Core.svec(1, 2, 3, []), a2 = Core.svec(1, 2, 3)
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a3 = Core.svec(a1,a1)
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b1 = deepcopy(a1)
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@test a1 == b1
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@test a1 !== b1
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@test a1[4] !== b1[4]
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b2 = deepcopy(a2)
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@test a2 === b2
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b3 = deepcopy(a3)
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@test a3 == b3
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@test a3 !== b3
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@test a3[1] === a3[2]
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end
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# issue #16667
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let x = BigInt[1:1000;], y = deepcopy(x), v
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# Finalize the original values to make sure the deep copy is indeed
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# independent
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for v in x
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finalize(v)
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end
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# Allocate some memory to make it more likely to trigger an error
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# if `deepcopy` went wrong
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x = BigInt[1:1000;]
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@test y == x
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end
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let x = BigFloat[1:1000;], y, z, v
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y, z = setprecision(2) do
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deepcopy(x), BigFloat[1:1000;]
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end
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for v in x
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finalize(v)
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end
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x = BigFloat[1:1000;]
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# Make sure the difference in precision doesn't affect deep copy
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@test y == x
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# Check that the setprecision indeed does something
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@test z != x
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end
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# issue #19921
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mutable struct Foo19921
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a::String
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end
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mutable struct Bar19921
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foo::Foo19921
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fooDict::Dict{Foo19921, Int64}
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end
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@testset "issue 19921" begin
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for i = 1 : 100
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foo = Foo19921("foo")
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bar = Bar19921(foo, Dict(foo => 3))
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bar2 = deepcopy(bar)
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@test bar2.foo ∈ keys(bar2.fooDict)
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@test bar2.fooDict[bar2.foo] != nothing
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end
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end
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