/*
 * #%L
 * SciJava constants facilitating a consistent priority order.
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 * Copyright (C) 2022 - 2024 SciJava developers.
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package org.scijava.priority;

import org.junit.jupiter.api.Test;

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

/**
 * Tests {@link Prioritized}.
 *
 * @author Curtis Rueden
 */
public class PrioritizedTest {

	/** Tests {@link Prioritized#compare}. */
	@Test
	public void testCompare() {
		class Thing implements Prioritized<Thing> {
			private double p;

			public Thing(double p) { this.p = p; }

			@Override
			public double priority() { return p; }
		}

		final Thing tNormal = new Thing(Priority.NORMAL);
		final Thing tHigh = new Thing(Priority.HIGH);
		final Thing tLow = new Thing(Priority.LOW);
		final Thing tNormal2 = new Thing(Priority.NORMAL);

		assertEquals(1, Prioritized.compare(tNormal, tHigh));
		assertEquals(-1, Prioritized.compare(tNormal, tLow));
		assertEquals(0, Prioritized.compare(tNormal, tNormal2));
		assertEquals(1, Prioritized.compare(tLow, tHigh));
		assertEquals(-1, Prioritized.compare(tHigh, tLow));
	}
}
