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| author | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2024-09-14 06:37:33 +0700 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-09-15 02:04:55 +0000 |
| commit | 9bd34ebb7e820922458929c9a1146fb0a5b0ca4d (patch) | |
| tree | 6206ed17e5a956a86598075ada79b0e59869f8f2 /src/unicode | |
| parent | f117d1c9b5951ab2456c1e512ac0423fcf3d7ada (diff) | |
| download | go-9bd34ebb7e820922458929c9a1146fb0a5b0ca4d.tar.xz | |
unicode/utf8: add test that RuneCount does zero allocations
See disccusion in CL 612955.
Change-Id: I2de582321648f1798929ffb80d2f087e41146ead
Reviewed-on: https://go-review.googlesource.com/c/go/+/613315
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Diffstat (limited to 'src/unicode')
| -rw-r--r-- | src/unicode/utf8/utf8_test.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/unicode/utf8/utf8_test.go b/src/unicode/utf8/utf8_test.go index 2adec97541..69362d2cf1 100644 --- a/src/unicode/utf8/utf8_test.go +++ b/src/unicode/utf8/utf8_test.go @@ -438,6 +438,15 @@ func TestRuneCount(t *testing.T) { } } +func TestRuneCountNonASCIIAllocation(t *testing.T) { + if n := testing.AllocsPerRun(10, func() { + s := []byte("日本語日本語日本語日") + _ = RuneCount(s) + }); n > 0 { + t.Errorf("unexpected RuneCount allocation, got %v, want 0", n) + } +} + type RuneLenTest struct { r rune size int |