/*
 * #%L
 * Java implementation of the SciJava Ops matching engine.
 * %%
 * Copyright (C) 2016 - 2024 SciJava developers.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
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 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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package org.scijava.ops.engine.math;

import java.util.function.BiFunction;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.scijava.ops.engine.AbstractTestEnvironment;
import org.scijava.types.Nil;

public class MathOpCollectionTest extends AbstractTestEnvironment {

	@BeforeAll
	public static void AddNeededOps() {
		ops.register(new MathOpCollection());
	}

	Nil<Double> nilDouble = new Nil<>() {};

	@Test
	public void testDoubleDivision() {
		BiFunction<Double, Double, Double> divFunction = ops.op( //
			"math.div", new Nil<>()
			{

			}, //
			new Nil[] { nilDouble, nilDouble }, //
			nilDouble//
		);
		assert 1.0 == divFunction.apply(2.0, 2.0);
	}

	@Test
	public void testDoubleAddition() {
		BiFunction<Double, Double, Double> addFunction = ops.op( //
			"math.add", new Nil<>()
			{

			}, //
			new Nil[] { nilDouble, nilDouble }, //
			nilDouble//
		);
		assert 4.0 == addFunction.apply(2.0, 2.0);
	}

	@Test
	public void testDoubleMultiplication() {
		BiFunction<Double, Double, Double> mulFunction = ops.op( //
			"math.mul", new Nil<>()
			{

			}, //
			new Nil[] { nilDouble, nilDouble }, //
			nilDouble//
		);
		assert 4.0 == mulFunction.apply(2.0, 2.0);
	}

	@Test
	public void testDoubleSubtraction() {
		BiFunction<Double, Double, Double> subFunction = ops.op( //
			"math.sub", new Nil<>()
			{

			}, //
			new Nil[] { nilDouble, nilDouble }, //
			nilDouble//
		);
		assert 0.0 == subFunction.apply(2.0, 2.0);
	}

}
