SubRangeIteratorTest.java

/*
 * Copyright (c) 2013, SRI International
 * All rights reserved.
 * Licensed under the The BSD 3-Clause License;
 * you may not use this file except in compliance with the License.
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 * http://opensource.org/licenses/BSD-3-Clause
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package com.sri.ai.test.util.collect;

import static org.junit.Assert.assertEquals;

import java.util.Collections;
import java.util.List;

import org.junit.Before;
import org.junit.Test;

import com.sri.ai.util.Util;
import com.sri.ai.util.collect.SubRangeIterator;

public class SubRangeIteratorTest {

	@Before
	public void setUp() throws Exception {
	}

	@Test
	public void testSubRangeIterator() {
		SubRangeIterator<String> i;
		List<String> expected;

		i =
			new SubRangeIterator<String>(
					Util.iterator("a", "b", "c"),
					1, 3);
		expected = Util.list("b", "c");
		assertEquals(expected, Util.listFrom(i));

		i =
			new SubRangeIterator<String>(
					Util.iterator("a", "b", "c"),
					0, 0);
		expected = Collections.emptyList();
		assertEquals(expected, Util.listFrom(i));

		i =
			new SubRangeIterator<String>(
					Util.iterator("a", "b", "c"),
					0, 4);
		expected = Util.list("a", "b", "c");
		assertEquals(expected, Util.listFrom(i));
	}
}