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package util
import "testing"
func TestMax(t *testing.T) {
if Max(-2, 5) != 5 {
t.Error("Invalid result")
}
}
func TestContrain(t *testing.T) {
if Constrain(-3, -1, 3) != -1 {
t.Error("Expected", -1)
}
if Constrain(2, -1, 3) != 2 {
t.Error("Expected", 2)
}
if Constrain(5, -1, 3) != 3 {
t.Error("Expected", 3)
}
}
func TestOnce(t *testing.T) {
o := Once(false)
if o() {
t.Error("Expected: false")
}
if o() {
t.Error("Expected: false")
}
o = Once(true)
if !o() {
t.Error("Expected: true")
}
if o() {
t.Error("Expected: false")
}
}
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