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package it.unimi.dsi.fastutil.doubles;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

public class DoubleOpenHashSetTest {

	@Test
	public void testNaNs() {
		DoubleOpenHashSet s = new DoubleOpenHashSet();
		s.add(Double.NaN);
		s.add(Double.NaN);
		assertEquals(1, s.size());
	}

	@Test
	public void testZeros() {
		DoubleOpenHashSet s = new DoubleOpenHashSet();
		assertTrue(s.add(-0.0d));
		assertTrue(s.add(+0.0d));
		assertEquals(2, s.size());
	}

}