package docgov

import "testing"

func TestNullIfZero(t *testing.T) {
	t.Parallel()
	if got := nullIfZero(0); got != nil {
		t.Fatalf("nullIfZero(0)=%v want nil", got)
	}
	if got := nullIfZero(-1); got != nil {
		t.Fatalf("nullIfZero(-1)=%v want nil", got)
	}
	if got := nullIfZero(9); got != int64(9) {
		t.Fatalf("nullIfZero(9)=%v want 9", got)
	}
}