| // 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/testenv" |
| "testing" |
| "time" |
| ) |
| |
| func TestAttrNoAlloc(t *testing.T) { |
| 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 |
| } |
