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 * Java implementation of the SciJava Ops matching engine.
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package org.scijava.ops.engine.matcher.convert;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.scijava.ops.engine.AbstractTestEnvironment;
import org.scijava.ops.spi.Op;
import org.scijava.ops.spi.OpCollection;
import org.scijava.ops.spi.OpField;
import org.scijava.types.Nil;

public class PrimitiveListConverterTest extends AbstractTestEnvironment
	implements OpCollection
{

	@BeforeAll
	public static void addNeededOps() {
		ops.register(new PrimitiveListConverterTest(),
			new ListConverterCollection(), new PrimitiveConverters<>(),
			new IdentityCollection<>());
	}

	@OpField(names = "test.listConversion")
	public final Function<List<Integer>, List<Integer>> foo = (in) -> in.stream()
		.map(i -> i * 2 + 1).collect(Collectors.toList());

	@Test
	public void testLinkedListConverter() {
		var outNil = new Nil<List<Integer>>() {};
		var in = Arrays.asList(1.0, 2.0);
		var out = ops.op("test.listConversion").input(in).outType(outNil).apply();
		for (int i = 0; i < in.size(); i++) {
			Assertions.assertEquals(in.get(i) * 2 + 1, (double) out.get(i));
		}
	}
}
