/*
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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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 *    this list of conditions and the following disclaimer.
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package net.imagej.ops.create;

import java.io.IOException;

import net.imagej.ops.AbstractOpTest;
import net.imagej.ops.Ops.CreateImg;
import net.imglib2.FinalInterval;
import net.imglib2.Interval;
import net.imglib2.RandomAccessibleInterval;
import net.imglib2.img.Img;
import net.imglib2.type.numeric.integer.ByteType;
import net.imglib2.util.Intervals;
import net.imglib2.view.Views;

import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 * Tests several ways to create an image
 *
 * @author Christian Dietz (University of Konstanz)
 */
public class CreateImgTest extends AbstractOpTest {

	private Img<ByteType> m_asImg;
	private RandomAccessibleInterval<ByteType> m_asRAI;
	private Interval m_asInterval;

	@Before
	public void createData() {
		m_asImg = generateByteTestImg(false, new long[] { 100, 100 });
		m_asRAI = Views.rotate(m_asImg, 1, 0);
		m_asInterval = new FinalInterval(m_asImg);
	}

	@Test
	public void testSameTypeCreation() throws IOException {

		@SuppressWarnings("unchecked")
		Img<ByteType> a = (Img<ByteType>) ops.createimg(m_asImg);

		assertTrue(Intervals.equalDimensions(a, m_asImg));

		@SuppressWarnings("unchecked")
		Img<ByteType> b = (Img<ByteType>) ops.createimg(m_asRAI);

		assertTrue(Intervals.equalDimensions(b, m_asImg));

		@SuppressWarnings("unchecked")
		Img<ByteType> c = (Img<ByteType>) ops.createimg(m_asInterval);

		assertTrue(Intervals.equalDimensions(c, m_asImg));

	}
}

Add Unit-Tests for CreateImg