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https://github.com/nim-lang/Nim.git
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e39f2a9283
* fix allocator corruption for large sizes * allow large chunks to coalesce and added test case * use correct constants in MaxBigChunkSize
58 lines
1.0 KiB
Nim
58 lines
1.0 KiB
Nim
var x: ptr int
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x = cast[ptr int](alloc(7))
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assert x != nil
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x = cast[ptr int](x.realloc(2))
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assert x != nil
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x.dealloc()
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x = createU(int, 3)
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assert x != nil
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x.dealloc()
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x = create(int, 4)
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assert cast[ptr array[4, int]](x)[0] == 0
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assert cast[ptr array[4, int]](x)[1] == 0
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assert cast[ptr array[4, int]](x)[2] == 0
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assert cast[ptr array[4, int]](x)[3] == 0
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x = x.resize(4)
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assert x != nil
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x.dealloc()
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x = cast[ptr int](allocShared(100))
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assert x != nil
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deallocShared(x)
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x = createSharedU(int, 3)
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assert x != nil
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x.deallocShared()
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x = createShared(int, 3)
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assert x != nil
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assert cast[ptr array[3, int]](x)[0] == 0
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assert cast[ptr array[3, int]](x)[1] == 0
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assert cast[ptr array[3, int]](x)[2] == 0
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assert x != nil
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x = cast[ptr int](x.resizeShared(2))
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assert x != nil
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x.deallocShared()
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x = create(int, 10)
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assert x != nil
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x = x.resize(12)
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assert x != nil
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x.dealloc()
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x = createShared(int, 1)
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assert x != nil
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x = x.resizeShared(1)
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assert x != nil
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x.deallocShared()
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x = cast[ptr int](alloc0(125 shl 23))
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dealloc(x)
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x = cast[ptr int](alloc0(126 shl 23))
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dealloc(x)
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