src/test/java/org/bukkit/MaterialTest.java


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package org.bukkit;

import static org.junit.Assert.*;
import static org.hamcrest.Matchers.*;

import java.util.Collections;
import java.util.Map;

import net.minecraft.server.Item;

import org.bukkit.support.AbstractTestingBase;
import org.junit.Test;

import com.google.common.collect.Maps;
import java.util.Iterator;
import org.bukkit.craftbukkit.util.CraftMagicNumbers;

public class MaterialTest extends AbstractTestingBase {

    @Test
    public void verifyMapping() {
        Map<Integer, Material> materials = Maps.newHashMap();
        for (Material material : Material.values()) {
            if (INVALIDATED_MATERIALS.contains(material)) {
                continue;
            }

            materials.put(material.getId(), material);
        }
        materials.remove(0); // Purge air.

        Iterator<Item> items = Item.REGISTRY.iterator();

        while (items.hasNext()) {
            Item item = items.next();
            if (item == null) continue;

            int id = CraftMagicNumbers.getId(item);
            String name = item.getName();

            Material material = materials.remove(id);

            assertThat("Missing " + name + "(" + id + ")", material, is(not(nullValue())));
        }

        assertThat(materials, is(Collections.EMPTY_MAP));
    }
}