/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.index.internal.gbptree;

import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

import org.junit.jupiter.api.Test;

class LayoutTest {
    @Test
    void shouldCreateDifferentIdentifierWithDifferentName() {
        // GIVEN
        String firstName = "one";
        String secondName = "two";
        int checksum = 123;

        // WHEN
        long firstIdentifier = Layout.namedIdentifier(firstName, checksum);
        long secondIdentifier = Layout.namedIdentifier(secondName, checksum);

        // THEN
        assertNotEquals(firstIdentifier, secondIdentifier);
    }

    @Test
    void shouldCreateDifferentIdentifierWithDifferentChecksums() {
        // GIVEN
        String name = "name";
        int firstChecksum = 123;
        int secondChecksum = 456;

        // WHEN
        long firstIdentifier = Layout.namedIdentifier(name, firstChecksum);
        long secondIdentifier = Layout.namedIdentifier(name, secondChecksum);

        // THEN
        assertNotEquals(firstIdentifier, secondIdentifier);
    }

    @Test
    void shouldFailOnTooLongName() {
        assertThrows(IllegalArgumentException.class, () -> Layout.namedIdentifier("too-long", 12));
    }
}
