// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package atspi

import (
	"fmt"
	"testing"
)

func TestDeferredLiveRegionLifetime(t *testing.T) {
	var store deferredLiveRegionStore
	for index := range 40 {
		store.remember(testID(fmt.Sprintf("/region/%d", index)), testID("/document"))
	}
	if len(store) != 32 {
		t.Fatalf("unbounded deferred state: %d", len(store))
	}
	if _, found := store.take(testID("/region/0")); found {
		t.Fatal("oldest entry not evicted")
	}
	store.remember(testID("/region/39"), testID("/document"))
	if len(store) != 32 {
		t.Fatal("duplicate added a second entry")
	}
	document, found := store.take(testID("/region/39"))
	if !found || document != testID("/document") {
		t.Fatal("lost deferred owner")
	}
	if _, found = store.take(testID("/region/39")); found {
		t.Fatal("completed update remained deferred")
	}
	store.remember(testID("/other_region"), testID("/other_document"))
	store.forget_document(testID("/document"))
	if len(store) != 1 || store[0].document != testID("/other_document") {
		t.Fatal("document retirement retained old entries or removed another document")
	}
}