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test/mapnan: use time.Now instead of syscall.Getrusage
Avoids a dependency on a somewhat nonstandard part of package syscall. R=golang-dev, dave, r CC=golang-dev https://golang.org/cl/15570046
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@ -13,17 +13,13 @@ import (
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"fmt"
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"math"
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"time"
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"syscall"
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)
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func main() {
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// Test that NaNs in maps don't go quadratic.
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t := func(n int) time.Duration {
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var u0 syscall.Rusage
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if err := syscall.Getrusage(0, &u0); err != nil {
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panic(err)
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}
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t1 := time.Now()
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m := map[float64]int{}
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nan := math.NaN()
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for i := 0; i < n; i++ {
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@ -32,11 +28,7 @@ func main() {
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if len(m) != n {
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panic("wrong size map after nan insertion")
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}
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var u1 syscall.Rusage
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if err := syscall.Getrusage(0, &u1); err != nil {
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panic(err)
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}
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return time.Duration(u1.Utime.Nano() - u0.Utime.Nano())
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return time.Since(t1)
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}
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// Depending on the machine and OS, this test might be too fast
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