package validasi

import "testing"

func TestIsUsiaProduktif(t *testing.T) {
    cases := []struct{
        age int
        want bool
    }{
        {17, false},
        {18, true},
        {30, true},
        {60, true},
        {61, false},
    }

    for _, c := range cases {
        got := IsUsiaProduktif(c.age)
        if got != c.want {
            t.Fatalf("IsUsiaProduktif(%d) = %v; want %v", c.age, got, c.want)
        }
    }
}

func TestValidateUsia(t *testing.T) {
    if err := ValidateUsia(-1); err == nil {
        t.Fatalf("expected error for negative age")
    }
    if err := ValidateUsia(18); err != nil {
        t.Fatalf("unexpected error for age 18: %v", err)
    }
    if err := ValidateUsia(60); err != nil {
        t.Fatalf("unexpected error for age 60: %v", err)
    }
    if err := ValidateUsia(61); err == nil {
        t.Fatalf("expected error for age 61")
    }
}