Iterables2Test.java

/*
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package org.jmxtrans.agent.util.collect;

import org.junit.Test;

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

import java.util.*;

/**
 * @author <a href="mailto:cleclerc@cloudbees.com">Cyrille Le Clerc</a>
 */
public class Iterables2Test {

    @Test
    public void get_on_list_return_value() {
        List<String> in = Arrays.asList("val0", "val1", "val2", "val3");
        String actual = Iterables2.get(in, 2);
        assertThat(actual, is("val2"));
    }

    @Test
    public void get_on_iterator_return_value() {
        Set<String> in = new TreeSet<>(Arrays.asList("val0", "val1", "val2", "val3"));
        String actual = Iterables2.get(in, 2);
        assertThat(actual, is("val2"));
    }

    @Test(expected = IndexOutOfBoundsException.class)
    public void get_negative_position_throws_an_exception() {
        Set<String> in = new HashSet<>(Arrays.asList("val0", "val1", "val2", "val3"));
        Iterables2.get(in, -1);
    }

    @Test(expected = IndexOutOfBoundsException.class)
    public void get_out_of_range_position_throws_an_exception() {
        Set<String> in = new HashSet<>(Arrays.asList("val0", "val1", "val2", "val3"));
        Iterables2.get(in, 10);
    }
}