package ulid

import (
	"testing"
)

func TestNew_ReturnsValidULID(t *testing.T) {
	id := New()
	if len(id) != 26 {
		t.Errorf("expected 26 chars, got %d: %s", len(id), id)
	}
}

func TestNew_Unique(t *testing.T) {
	a := New()
	b := New()
	if a == b {
		t.Errorf("two calls returned same ULID: %s", a)
	}
}

func TestNew_Sortable(t *testing.T) {
	a := New()
	b := New()
	if b < a {
		t.Errorf("expected b >= a for sequential calls: a=%s b=%s", a, b)
	}
}