/*
 * #%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:
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 *    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
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package org.scijava.ops.engine;

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

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.scijava.priority.Priority;
import org.scijava.function.Producer;
import org.scijava.ops.spi.Op;
import org.scijava.ops.spi.OpClass;
import org.scijava.types.Nil;

public class OpPriorityTest extends AbstractTestEnvironment {

	@BeforeAll
	public static void addNeededOps() {
		ops.register(new TestDouble());
		ops.register(new TestFloat());
	}

	@OpClass(names = "test.priority", priority = Priority.HIGH)
	private static final class TestDouble implements Producer<Number>, Op {

		@Override
		public Number create() {
			return new Double(0.0);
		}
	}

	@OpClass(names = "test.priority", priority = Priority.LOW)
	private static final class TestFloat implements Producer<Number>, Op {

		@Override
		public Number create() {
			return new Float(0.0);
		}
	}

	@Test
	public void testOpPriority() {

		Producer<Number> testFunc = ops.op("test.priority",
			new Nil<Producer<Number>>()
			{}, new Nil[] {}, new Nil<Number>() {});
		Number x = testFunc.create();
		assertTrue(x instanceof Double);
	}
}
