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package util
import (
"reflect"
"testing"
)
func TestAtExit(t *testing.T) {
want := []int{3, 2, 1, 0}
var called []int
for i := 0; i < 4; i++ {
n := i
AtExit(func() { called = append(called, n) })
}
RunAtExitFuncs()
if !reflect.DeepEqual(called, want) {
t.Errorf("AtExit: want call order: %v got: %v", want, called)
}
RunAtExitFuncs()
if !reflect.DeepEqual(called, want) {
t.Error("AtExit: should only call exit funcs once")
}
}
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