/* * Copyright (C) 2012, 2016 higherfrequencytrading.com * Copyright (C) 2016 Roman Leventov * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License. * * 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.openhft.chronicle.map; import com.google.common.io.Files; import net.openhft.chronicle.set.Builder; import org.junit.Test; import java.io.File; import java.io.IOException; import java.net.URISyntaxException; import java.net.URL; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNull; public class ChronicleMap3_8FormatCompatibilityTest { @Test public void testChronicleMap3_8FormatCompatibility() throws URISyntaxException, IOException { ClassLoader cl = Thread.currentThread().getContextClassLoader(); URL fileUrl = cl.getResource("chronicle-map-3-8-file.dat"); File file = new File(fileUrl.toURI()); File persistenceFile = Builder.getPersistenceFile(); Files.copy(file, persistenceFile); try (ChronicleMap<Integer, String> map = ChronicleMap.of(Integer.class, String.class) .averageValue("1") .entries(1) .createPersistedTo(persistenceFile)) { assertEquals(1, map.size()); assertEquals("1", map.get(1)); assertNull(map.put(2, "2")); assertEquals("2", map.remove(2)); } } }