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all: use testingutil.MinAllocsPerRun

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There are a few remaining uses of testing.AllocsPerRun:
Two in which we only log the number of allocations,
and one in which dynamically calculate the allocations
target based on a different AllocsPerRun run.

This also allows us to tighten the "no allocs"
test in wgengine/filter.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2021-10-27 16:21:44 -07:00
committed by Josh Bleecher Snyder
parent 1df865a580
commit 94fb42d4b2
11 changed files with 63 additions and 58 deletions
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9
tailcfg/tailcfg_test.go
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@@ -13,6 +13,7 @@ import (
"time"
"inet.af/netaddr"
"tailscale.com/tstest"
"tailscale.com/types/key"
"tailscale.com/version"
)
@@ -541,11 +542,11 @@ func TestAppendKeyAllocs(t *testing.T) {
t.Skip("skipping in race detector") // append(b, make([]byte, N)...) not optimized in compiler with race
}
var k [32]byte
n := int(testing.AllocsPerRun(1000, func() {
err := tstest.MinAllocsPerRun(t, 1, func() {
sinkBytes = keyMarshalText("prefix", k)
}))
if n != 1 {
t.Fatalf("allocs = %v; want 1", n)
})
if err != nil {
t.Fatal(err)
}
}