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discard """
cmd: '''nim cpp -d:nimAllocStats --newruntime --threads:on $file'''
output: '''(field: "value")
Indeed
axc
(v: 10)
...
destroying GenericObj[T] GenericObj[system.int]
test
(allocCount: 12, deallocCount: 10)
3'''
"""
import system / ansi_c
import tables
type
Node = ref object
field: string
# bug #11807
import os
putEnv("HEAPTRASHING", "Indeed")
let s1 = getAllocStats()
proc newTableOwned[A, B](initialSize = defaultInitialSize): owned(TableRef[A, B]) =
new(result)
result[] = initTable[A, B](initialSize)
proc main =
var w = newTableOwned[string, owned Node]()
w["key"] = Node(field: "value")
echo w["key"][]
echo getEnv("HEAPTRASHING")
# bug #11891
var x = "abc"
x[1] = 'x'
echo x
main()
# bug #11745
type
Foo = object
bar: seq[int]
var x = [Foo()]
# bug #11563
type
MyTypeType = enum
Zero, One
MyType = object
case kind: MyTypeType
of Zero:
s*: seq[MyType]
of One:
x*: int
var t: MyType
# bug #11254
proc test(p: owned proc()) =
let x = (proc())p
test(proc() = discard)
# bug #10689
type
O = object
v: int
proc `=sink`(d: var O, s: O) =
d.v = s.v
proc selfAssign =
var o = O(v: 10)
o = o
echo o
selfAssign()
# bug #11833
type FooAt = object
proc testWrongAt() =
var x = @[@[FooAt()]]
testWrongAt()
#-------------------------------------------------
type
Table[A, B] = object
x: seq[(A, B)]
proc toTable[A,B](p: sink openArray[(A, B)]): Table[A, B] =
for zz in mitems(p):
result.x.add move(zz)
let table = {"a": new(int)}.toTable()
# bug # #12051
type
GenericObj[T] = object
val: T
Generic[T] = owned ref GenericObj[T]
proc `=destroy`[T](x: var GenericObj[T]) =
echo "destroying GenericObj[T] ", x.typeof # to know when its being destroyed
proc main12() =
let gnrc = Generic[int](val: 42)
echo "..."
main12()
#####################################################################
## bug #12827
type
MyObject = object
x: string
y: seq[string]
needs_ref: ref int
proc xx(xml: string): MyObject =
let stream = xml
result.x = xml
defer: echo stream
discard xx("test")
echo getAllocStats() - s1
# bug #13457
var s = "abcde"
s.setLen(3)
echo s.cstring.len
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