diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/os/env_test.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/os/env_test.go b/src/os/env_test.go index 78c8fe57cb..0198f1925d 100644 --- a/src/os/env_test.go +++ b/src/os/env_test.go @@ -62,6 +62,22 @@ func TestExpand(t *testing.T) { } } +func BenchmarkExpand(b *testing.B) { + var s string + b.Run("noop", func(b *testing.B) { + b.ReportAllocs() + for i := 0; i < b.N; i++ { + s = Expand("tick tick tick tick", func(string) string { return "" }) + } + }) + b.Run("multiple", func(b *testing.B) { + b.ReportAllocs() + for i := 0; i < b.N; i++ { + s = Expand("$a $a $a $a", func(string) string { return "boom" }) + } + }) +} + func TestConsistentEnviron(t *testing.T) { e0 := Environ() for i := 0; i < 10; i++ { |