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package vars
import "testing"
func TestFromPtr(t *testing.T) {
i := 10
variable := FromPtr(&i)
if g := variable.Get(); g != 10 {
t.Errorf(`Get -> %v, want 10`, g)
}
err := variable.Set("20")
if err != nil {
t.Errorf(`Setting ptrVariable with "20" returns error %v`, err)
}
if i != 20 {
t.Errorf(`Setting ptrVariable didn't change underlying value`)
}
err = variable.Set("x")
if err == nil {
t.Errorf("Setting ptrVariable with incompatible value returns no error")
}
}
func TestFromInit(t *testing.T) {
v := FromInit(true)
if val := v.Get(); val != true {
t.Errorf("Get returned %v, want true", val)
}
if err := v.Set("233"); err != nil {
t.Errorf("Set errors: %v", err)
}
if val := v.Get(); val != "233" {
t.Errorf(`Get returns %v, want "233"`, val)
}
}
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