/***********************************************************************************************************************
 *
 * Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 **********************************************************************************************************************/
package eu.stratosphere.api.common.typeutils.base;

import java.util.Random;

import eu.stratosphere.api.common.typeutils.ComparatorTestBase;
import eu.stratosphere.api.common.typeutils.TypeComparator;
import eu.stratosphere.api.common.typeutils.TypeSerializer;
import eu.stratosphere.api.common.typeutils.base.FloatComparator;
import eu.stratosphere.api.common.typeutils.base.FloatSerializer;

public class FloatComparatorTest extends ComparatorTestBase<Float> {

	@Override
	protected TypeComparator<Float> createComparator(boolean ascending) {
		return new FloatComparator(ascending);
	}

	@Override
	protected TypeSerializer<Float> createSerializer() {
		return new FloatSerializer();
	}

	@Override
	protected Float[] getSortedTestData() {
		Random rnd = new Random(874597969123412338L);
		float rndFloat = rnd.nextFloat();
		if (rndFloat < 0) {
			rndFloat = -rndFloat;
		}
		if (rndFloat == Float.MAX_VALUE) {
			rndFloat -= 3;
		}
		if (rndFloat <= 2) {
			rndFloat += 3;
		}
		return new Float[]{
			new Float(-rndFloat),
			new Float(-1.0F),
			new Float(0.0F),
			new Float(2.0F),
			new Float(rndFloat),
			new Float(Float.MAX_VALUE)};
	}
}