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n = (0..9999).to_a.inject(0) { |b, i| b + i }.to_s
# sequential + synchronous
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
10000.times do |i|
q.sync { @n += i }
end
p @n
}
# sequential + asynchronous
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
10000.times do |i|
q.async { @n += i }
end
q.sync {}
p @n
}
# group + sequential
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
g = Dispatch::Group.new
10000.times do |i|
q.async(g) { @n += i }
end
g.wait
p @n
}
# group + concurrent
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
g = Dispatch::Group.new
10000.times do |i|
Dispatch::Queue.concurrent.async(g) do
q.sync { @n += i }
end
end
g.wait
p @n
}
# apply + sequential
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
q.apply(10000) do |i|
@n += i
end
p @n
}
# apply + concurrent
assert n, %{
@n = 0
q = Dispatch::Queue.new('foo')
Dispatch::Queue.concurrent.apply(10000) do |i|
q.async { @n += i }
end
q.sync {}
p @n
}
# exceptions should be ignored
assert ':ok', %{
g = Dispatch::Group.new
Dispatch::Queue.concurrent.async(g) { raise('hey') }
g.wait
p :ok
}
# Stress tests
assert ':ok', %{
Dispatch::Queue.concurrent.apply(10000000) { |i| i+2*3/4-5}
p :ok
}
assert ':ok', %{
i = 0
g = Dispatch::Group.new
while i < 100000
Dispatch::Queue.concurrent.async(g) { i+2*3/4-5 }
i += 1
end
g.wait
p :ok
}
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