CriteriaOperatorTest.java

/*
 * Copyright 2022. Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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 org.keycloak.models.map.storage.chm;

import org.hamcrest.CoreMatchers;
import org.hamcrest.MatcherAssert;
import org.junit.Test;

import java.util.function.Predicate;

import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;

/**
 * @author Alexander Schwartz
 */
public class CriteriaOperatorTest {

    @Test
    public void shouldCompareLongs() {
        Predicate<Object> predicate = CriteriaOperator.ge(new Long[]{0L});

        assertTrue(predicate.test(1L));
    }

    @Test
    public void shouldCompareInts() {
        Predicate<Object> predicate = CriteriaOperator.ge(new Integer[]{0});

        assertTrue(predicate.test(1));
    }

    @Test
    public void shouldThrowAnExceptionOnIncompatibleTypes() {
        Predicate<Object> predicate = CriteriaOperator.ge(new Long[]{0L});

        IllegalArgumentException exception = assertThrows(IllegalArgumentException.class, () -> predicate.test(1));
        MatcherAssert.assertThat(exception.getMessage(), CoreMatchers.startsWith("Incomparable argument type for comparison operation"));
    }

}