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 * Image processing operations for SciJava Ops.
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package org.scijava.ops.image.threshold.apply;

import java.util.Comparator;

import org.scijava.ops.image.threshold.AbstractThresholdTest;
import net.imglib2.exception.IncompatibleTypeException;
import net.imglib2.img.Img;
import net.imglib2.type.logic.BitType;
import net.imglib2.type.numeric.integer.UnsignedShortType;

import org.junit.jupiter.api.Test;
import org.scijava.function.Computers;
import org.scijava.ops.api.OpBuilder;
import org.scijava.types.Nil;

/**
 * Tests {@link ApplyManualThreshold}.
 *
 * @author Curtis Rueden
 */
public class ApplyManualThresholdTest extends AbstractThresholdTest {

	@Test
	public void testApplyThreshold() throws IncompatibleTypeException {
		Computers.Arity3<Img<UnsignedShortType>, UnsignedShortType, Comparator<UnsignedShortType>, Iterable<BitType>> createFunc =
			OpBuilder.matchComputer(ops, "threshold.apply",
				new Nil<Img<UnsignedShortType>>()
				{}, new Nil<UnsignedShortType>() {},
				new Nil<Comparator<UnsignedShortType>>()
				{}, new Nil<Iterable<BitType>>() {});

		final Img<BitType> out = bitmap();
		final UnsignedShortType threshold = new UnsignedShortType(30000);
		Comparator<UnsignedShortType> comparator = (c1, c2) -> (int) Math.ceil(c1
			.getRealDouble() - c2.getRealDouble());
		createFunc.compute(in, threshold, comparator, out);
		assertCount(out, 54);
	}

}
