/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.brooklyn.util.guava;

import static org.testng.Assert.assertEquals;

import org.testng.annotations.Test;

import com.google.common.base.Supplier;

public class SuppliersTest {

    @Test
    public void testIncrementing() throws Exception {
        Supplier<Integer> supplier = Suppliers.incrementing();
        assertEquals(supplier.get(), Integer.valueOf(0));
        assertEquals(supplier.get(), Integer.valueOf(1));
        assertEquals(supplier.get(), Integer.valueOf(2));
    }

    @Test
    public void testIncrementingFrom() throws Exception {
        Supplier<Integer> supplier = Suppliers.incrementing(9876);
        assertEquals(supplier.get(), Integer.valueOf(9876));
        assertEquals(supplier.get(), Integer.valueOf(9877));
        assertEquals(supplier.get(), Integer.valueOf(9878));
    }

}