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test/mapnan: use time.Now instead of syscall.Getrusage

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Avoids a dependency on a somewhat nonstandard part of package syscall.

R=golang-dev, dave, r
CC=golang-dev
https://golang.org/cl/15570046
This commit is contained in:
Russ Cox 2013-10-22 18:33:37 -04:00
parent c8ddfd9ad1
commit 08a5614597
1 changed files with 2 additions and 10 deletions
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12
test/mapnan.go
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@ -13,17 +13,13 @@ import (
"fmt"
"math"
"time"
"syscall"
)
func main() {
// Test that NaNs in maps don't go quadratic.
t := func(n int) time.Duration {
var u0 syscall.Rusage
if err := syscall.Getrusage(0, &u0); err != nil {
panic(err)
}
t1 := time.Now()
m := map[float64]int{}
nan := math.NaN()
for i := 0; i < n; i++ {
@ -32,11 +28,7 @@ func main() {
if len(m) != n {
panic("wrong size map after nan insertion")
}
var u1 syscall.Rusage
if err := syscall.Getrusage(0, &u1); err != nil {
panic(err)
}
return time.Duration(u1.Utime.Nano() - u0.Utime.Nano())
return time.Since(t1)
}
// Depending on the machine and OS, this test might be too fast