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wgengine/magicsock: use testingutil.MinAllocsPerRun 

This speeds up and deflakes the test.

Fixes #2826 (again)

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder 2021-10-27 16:02:12 -07:00 committed by Josh Bleecher Snyder
parent 4bb2c6980d
commit c1d377078d
1 changed files with 4 additions and 3 deletions
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7
wgengine/magicsock/magicsock_test.go
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@ -44,6 +44,7 @@ import (
"tailscale.com/types/wgkey" "tailscale.com/types/wgkey"
"tailscale.com/util/cibuild" "tailscale.com/util/cibuild"
"tailscale.com/util/racebuild" "tailscale.com/util/racebuild"
"tailscale.com/util/testingutil"
"tailscale.com/wgengine/filter" "tailscale.com/wgengine/filter"
"tailscale.com/wgengine/wgcfg" "tailscale.com/wgengine/wgcfg"
"tailscale.com/wgengine/wgcfg/nmcfg" "tailscale.com/wgengine/wgcfg/nmcfg"
@ -1348,9 +1349,9 @@ func TestReceiveFromAllocs(t *testing.T) {
} }
t.Logf("allowing %d allocs for Go version %q", maxAllocs, runtime.Version()) t.Logf("allowing %d allocs for Go version %q", maxAllocs, runtime.Version())
roundTrip := setUpReceiveFrom(t) roundTrip := setUpReceiveFrom(t)
avg := int(testing.AllocsPerRun(1000, roundTrip)) err := testingutil.MinAllocsPerRun(t, uint64(maxAllocs), roundTrip)
if avg > maxAllocs { if err != nil {
t.Fatalf("expected %d allocs in ReceiveFrom, got %v", maxAllocs, avg) t.Fatal(err)
} }
} }