/*
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 * ImageJ software for multidimensional image processing and analysis.
 * %%
 * Copyright (C) 2014 - 2015 Board of Regents of the University of
 * Wisconsin-Madison, University of Konstanz and Brian Northan.
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 * Redistribution and use in source and binary forms, with or without
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 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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package net.imagej.ops.eval;

import static org.junit.Assert.assertEquals;

import java.util.HashMap;
import java.util.Map;

import net.imagej.ops.AbstractOpTest;
import net.imagej.ops.Ops.Eval;

import org.junit.Test;

/**
 * Tests {@link Eval}.
 * 
 * @author Curtis Rueden
 */
public class EvalTest extends AbstractOpTest {

	@Test
	public void testMath() {
		final Map<String, Object> vars = new HashMap<String, Object>();
		vars.put("a", 2);
		vars.put("b", 3);
		vars.put("c", 5);

		assertEquals(7, ops.eval("a+c", vars));
		assertEquals(3, ops.eval("c-a", vars));
		assertEquals(6, ops.eval("a*b", vars));
		assertEquals(2, ops.eval("c/a", vars));
		assertEquals(1, ops.eval("c%a", vars));
		assertEquals(17, ops.eval("a+b*c", vars));
	}

}

Add a simple unit test for eval op