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// Copyright 2009 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 time
import (
"testing";
"time";
)
func TestTick(t *testing.T) {
const (
Delta = 100*1e6;
Count = 10;
);
c := Tick(Delta);
t0 := Nanoseconds();
for i := 0; i < Count; i++ {
<-c;
}
t1 := Nanoseconds();
ns := t1 - t0;
target := int64(Delta*Count);
slop := target*2/10;
if ns < target - slop || ns > target + slop {
t.Fatalf("%d ticks of %g ns took %g ns, expected %g", Count, float64(Delta), float64(ns), float64(target));
}
}
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