Function BenchmarkBufferFullSmallReads

syncio/buffer_test.go:631–644

Check that we don't compact too often. From Issue 5154.

(b *testing.B)

// Check that we don't compact too often. From Issue 5154.
func BenchmarkBufferFullSmallReads(b *testing.B) {
	buf := make([]byte, 1024)
	for i := 0; i < b.N; i++ {
		var b Buffer
		b.Write(buf)
		for b.Len()+20 < b.Cap() {
			b.Write(buf[:10])
		}
		for i := 0; i < 5<<10; i++ {
			b.Read(buf[:1])
			b.Write(buf[:1])
		}
	}
}