/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.rng.sampling.distribution;

import org.apache.commons.rng.UniformRandomProvider;
import org.apache.commons.rng.sampling.RandomAssert;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

/**
 * Test for the {@link BoxMullerLogNormalSampler}. The tests hit edge cases for the sampler.
 */
class BoxMullerLogNormalSamplerTest {
    /**
     * Test the constructor with a bad standard deviation.
     */
    @SuppressWarnings({"deprecation"})
    @Test
    void testConstructorThrowsWithZeroShape() {
        final UniformRandomProvider rng = RandomAssert.seededRNG();
        final double mu = 1;
        final double sigma = 0;
        Assertions.assertThrows(IllegalArgumentException.class,
            () -> new BoxMullerLogNormalSampler(rng, mu, sigma));
    }
}
