package hashcache

import (
	"testing"
	"time"
)

func TestCache(t *testing.T) {
	c := NewCache(1024, time.Second)
	c.Set("123", 123)
	c.Set("456", 456)
	v := c.Get("123")
	if v == nil || v.(int) != 123 {
		t.Error("Key 123 not found")
	}
	v = c.Get("456")
	if v == nil || v.(int) != 456 {
		t.Error("Key 456 not found")
	}
	c.Set("456", 789)
	v = c.Get("456")
	if v == nil || v.(int) != 789 {
		t.Error("Key 456 not changed")
	}

	time.Sleep(time.Second)

	v = c.Get("123")
	if v != nil {
		t.Errorf("key 123 shoud expire")
	}
	c.Set("123", 1234)
	c.Set("456", 4567)
	v = c.Get("123")
	if v == nil || v.(int) != 1234 {
		t.Error("Key 123 not found")
	}
	v = c.Get("456")
	if v == nil || v.(int) != 4567 {
		t.Error("Key 456 not found")
	}

	time.Sleep(time.Second)

	v = c.Get("123")
	if v != nil {
		t.Errorf("key 123 shoud expire")
	}
}