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-rw-r--r--test/fixedbugs/bug369.dir/main.go55
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diff --git a/test/fixedbugs/bug369.dir/main.go b/test/fixedbugs/bug369.dir/main.go
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+++ b/test/fixedbugs/bug369.dir/main.go
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+// Copyright 2011 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 main
+
+import (
+ "flag"
+ "os"
+ "runtime"
+ "testing"
+
+ fast "./fast"
+ slow "./slow"
+)
+
+var buf = make([]byte, 1048576)
+
+func BenchmarkFastNonASCII(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ fast.NonASCII(buf, 0)
+ }
+}
+
+func BenchmarkSlowNonASCII(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ slow.NonASCII(buf, 0)
+ }
+}
+
+func main() {
+ testing.Init()
+ os.Args = []string{os.Args[0], "-test.benchtime=100ms"}
+ flag.Parse()
+
+ rslow := testing.Benchmark(BenchmarkSlowNonASCII)
+ rfast := testing.Benchmark(BenchmarkFastNonASCII)
+ tslow := rslow.NsPerOp()
+ tfast := rfast.NsPerOp()
+
+ // Optimization should be good for at least 2x, but be forgiving.
+ // On the ARM simulator we see closer to 1.5x.
+ speedup := float64(tslow) / float64(tfast)
+ want := 1.8
+ if runtime.GOARCH == "arm" {
+ want = 1.3
+ }
+ if speedup < want {
+ // TODO(rsc): doesn't work on linux-amd64 or darwin-amd64 builders, nor on
+ // a Lenovo x200 (linux-amd64) laptop.
+ // println("fast:", tfast, "slow:", tslow, "speedup:", speedup, "want:", want)
+ // println("not fast enough")
+ // os.Exit(1)
+ }
+}