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Automated combinatorial testing framework on top of JUnit

There is a newer version: 0.8.17

package com.github.dakusui.lisj.pred;

import static com.github.dakusui.lisj.Basic.length;

import com.github.dakusui.jcunit.core.Utils;
import com.github.dakusui.lisj.Basic;
import com.github.dakusui.lisj.Context;
import com.github.dakusui.lisj.FormEvaluator;
import com.github.dakusui.lisj.FormResult;

public abstract class BinomialPredicate extends BasePredicate {
	/**
	 * Serial version UID.
	 */
	private static final long serialVersionUID = 8449575741493862687L;

	@Override
	protected Object checkParams(Object params) {
		Utils.checknull(params);
		if (length(params) != 2) throw new IllegalArgumentException(msgParameterLengthWrong(2, params));
		return params;
	}

	@Override
	protected FormEvaluator newEvaluator(Context context, Object params) {
		/*
		 * Since it's sure that the subclasses of this class doesn't need to 
		 * create child context, FormEvaluator is created with incoming context. 
		 */
		return new FormEvaluator(context, this, checkParams(params), new FormResult(0, Basic.length(params), null));
	}
	
}