package main

import "testing"

func TestEmailValid(t *testing.T) {
	t.Run("email-lengkap", func(t *testing.T) {
		for _, email := range []string{"budi@example.com", "siti@mail.example.org"} {
			if !EmailValid(email) {
				t.Errorf("EmailValid(%q) = false; want true", email)
			}
		}
	})

	t.Run("lokal-kosong", func(t *testing.T) {
		if EmailValid("@example.com") {
			t.Errorf("EmailValid(%q) = true; want false", "@example.com")
		}
	})

	t.Run("tanpa-at", func(t *testing.T) {
		if EmailValid("budi.example.com") {
			t.Errorf("EmailValid(%q) = true; want false", "budi.example.com")
		}
	})

	t.Run("domain-tanpa-titik", func(t *testing.T) {
		if EmailValid("budi@localhost") {
			t.Errorf("EmailValid(%q) = true; want false", "budi@localhost")
		}
	})
}