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lean4/tests/elab/async_select_timer.lean
Garmelon 08eb78a5b2 chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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import Std.Internal.Async.Timer
open Std Internal IO Async
def test1 : Async Nat := do
let s1 Sleep.mk 1000
let s2 Sleep.mk 1500
Selectable.one #[
.case (s2.selector) fun _ => return 2,
.case (s1.selector) fun _ => return 1,
]
/-- info: 1 -/
#guard_msgs in
#eval test1 |>.block
def test2 : Async Nat := do
Selectable.one #[
.case ( Selector.sleep 1500) fun _ => return 2,
.case ( Selector.sleep 1000) fun _ => return 1,
]
/-- info: 1 -/
#guard_msgs in
#eval EAsync.block <| show Async _ from do
test2
/-- error: Selectable.one requires at least one Selectable -/
#guard_msgs in
#eval EAsync.block <| show Async _ from do
let foo Selectable.one (α := Unit) #[]