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| author | Emmanuel T Odeke <emmanuel@orijtech.com> | 2020-09-24 15:33:45 -0700 |
|---|---|---|
| committer | Emmanuel Odeke <emm.odeke@gmail.com> | 2020-09-28 20:51:39 +0000 |
| commit | c4971a14a7cac78849f4d0908e7140263129bdf7 (patch) | |
| tree | ef01b9fb90688336334ba98cb4b3dc424a3cafa2 /src/testing | |
| parent | f33263d11aa0f5e2668bfc6a0805e4edee17b03c (diff) | |
| download | go-c4971a14a7cac78849f4d0908e7140263129bdf7.tar.gz go-c4971a14a7cac78849f4d0908e7140263129bdf7.zip | |
testing: add benchmark for TB.Helper
Adds a benchmark for TB.Helper, to use as a judge of future
improvements like CL 231717.
Change-Id: I17c40d482fc12caa3eb2c1cda39fd8c42356b422
Reviewed-on: https://go-review.googlesource.com/c/go/+/257317
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
Diffstat (limited to 'src/testing')
| -rw-r--r-- | src/testing/helper_test.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/testing/helper_test.go b/src/testing/helper_test.go index 7ce58c67fb..8858196cf0 100644 --- a/src/testing/helper_test.go +++ b/src/testing/helper_test.go @@ -70,3 +70,34 @@ func TestTBHelperParallel(t *T) { t.Errorf("got output line %q; want %q", got, want) } } + +type noopWriter int + +func (nw *noopWriter) Write(b []byte) (int, error) { return len(b), nil } + +func BenchmarkTBHelper(b *B) { + w := noopWriter(0) + ctx := newTestContext(1, newMatcher(regexp.MatchString, "", "")) + t1 := &T{ + common: common{ + signal: make(chan bool), + w: &w, + }, + context: ctx, + } + f1 := func() { + t1.Helper() + } + f2 := func() { + t1.Helper() + } + b.ResetTimer() + b.ReportAllocs() + for i := 0; i < b.N; i++ { + if i&1 == 0 { + f1() + } else { + f2() + } + } +} |