package id

import (
	"testing"
	"time"
)

func TestWithinSkew(t *testing.T) {
	g, err := New(1)
	if err != nil {
		t.Fatal(err)
	}
	nid, err := g.NextID()
	if err != nil {
		t.Fatal(err)
	}
	if !WithinSkew(nid, time.Now(), DefaultMsgIDSkew) {
		t.Fatal("fresh snowflake")
	}
	if WithinSkew(1, time.Now(), DefaultMsgIDSkew) {
		t.Fatal("tiny id")
	}
	if WithinSkew(nid, time.Now().Add(10*time.Minute), DefaultMsgIDSkew) {
		t.Fatal("outside window")
	}
}