net.jqwik.engine.properties.arbitraries.Range Maven / Gradle / Ivy

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Jqwik Engine module

There is a newer version: 1.9.1

package net.jqwik.engine.properties.arbitraries;

import java.util.function.*;

import net.jqwik.api.*;

@SuppressWarnings("unchecked")
public class Range {

	public static  Range of(T min, T max) {
		if (min.compareTo(max) > 0)
			throw new JqwikException(String.format("Min value [%s] must not be greater that max value [%s].", min, max));
		return new Range<>(min, max);
	}

	public final T min;
	public final T max;

	private Range(T min, T max) {
		this.min = min;
		this.max = max;
	}

	public boolean isSingular() {
		return min.compareTo(max) == 0;
	}

	public boolean includes(T value) {
		return value.compareTo(min) >= 0 && value.compareTo(max) <= 0;
	}

	public void ifIncluded(T value, Consumer consumer) {
		if (includes(value)) {
			consumer.accept(value);
		}
	}

	public  Range map(Function mapper) {
		return Range.of(mapper.apply(min), mapper.apply(max));
	}

	@Override
	public String toString() {
		return String.format("%s..%s", min, max);
	}
}