File size: 1,467 Bytes
de452ad | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | // Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package slog
import (
"internal/asan"
"internal/testenv"
"testing"
"time"
)
func TestAttrNoAlloc(t *testing.T) {
if asan.Enabled {
t.Skip("test allocates with -asan")
}
testenv.SkipIfOptimizationOff(t)
// Assign values just to make sure the compiler doesn't optimize away the statements.
var (
i int64
u uint64
f float64
b bool
s string
x any
p = &i
d time.Duration
)
a := int(testing.AllocsPerRun(5, func() {
i = Int64("key", 1).Value.Int64()
u = Uint64("key", 1).Value.Uint64()
f = Float64("key", 1).Value.Float64()
b = Bool("key", true).Value.Bool()
s = String("key", "foo").Value.String()
d = Duration("key", d).Value.Duration()
x = Any("key", p).Value.Any()
}))
if a != 0 {
t.Errorf("got %d allocs, want zero", a)
}
_ = u
_ = f
_ = b
_ = s
_ = x
}
func BenchmarkAttrString(b *testing.B) {
var (
is string
u string
f string
bn string
s string
x string
ds string
p = &is
d time.Duration
)
b.ReportAllocs()
for i := 0; i < b.N; i++ {
is = Int64("key", 1).String()
u = Uint64("key", 1).String()
f = Float64("key", 1).String()
bn = Bool("key", true).String()
s = String("key", "foo").String()
ds = Duration("key", d).String()
x = Any("key", p).String()
}
_ = u
_ = f
_ = bn
_ = s
_ = x
_ = ds
_ = p
}
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