KlassInfoMethodTest.java

/**
 * Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 * Email: subchen@gmail.com
 * URL: http://subchen.github.io/
 *
 * 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 jetbrick.bean;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.junit.Assert;
import org.junit.Test;

public class KlassInfoMethodTest {

    @Test
    public void getDeclaredMethods() {
        KlassInfo klass = KlassInfo.create(Object.class);
        Assert.assertEquals(12, klass.getDeclaredMethods().size());
    }

    @Test
    public void getDeclaredMethodsWithFilter() {
        KlassInfo k1 = KlassInfo.create(Object.class);

        List<MethodInfo> methods = k1.getDeclaredMethods(Filters.PUBLIC_METHOD);
        Assert.assertTrue(methods.size() < k1.getDeclaredMethods().size());

        KlassInfo k2 = KlassInfo.create(UUID.class);
        methods = k2.getDeclaredMethods(Filters.STATIC_METHOD);
        Assert.assertTrue(methods.size() < k2.getDeclaredMethods().size());
    }

    @Test
    public void getDeclaredMethod() {
        KlassInfo klass = KlassInfo.create(Map.class);
        Assert.assertNotNull(klass.getDeclaredMethod("get", Object.class));
        Assert.assertNotNull(klass.getDeclaredMethod("put", Object.class, Object.class));

        Assert.assertNull(klass.getDeclaredMethod("get"));
        Assert.assertNull(klass.getDeclaredMethod("get", String.class));
    }

    @Test
    public void getMethods() {
        KlassInfo k1 = KlassInfo.create(UUID.class);
        Assert.assertTrue(k1.getMethods().size() > k1.getDeclaredMethods().size());

        KlassInfo k2 = KlassInfo.create(List.class);
        Assert.assertTrue(k2.getMethods().size() > k2.getDeclaredMethods().size());
    }

    @Test
    public void getMethodsWithFilter() {
        KlassInfo klass = KlassInfo.create(UUID.class);
        int max = klass.getMethods().size();

        List<MethodInfo> methods = klass.getMethods(Filters.PUBLIC_METHOD);
        Assert.assertTrue(max > methods.size());

        methods = klass.getMethods(Filters.INSTANCE_METHOD);
        Assert.assertTrue(max > methods.size());
    }

    @Test
    public void getMethod() {
        KlassInfo klass = KlassInfo.create(HashMap.class);
        Assert.assertNotNull(klass.getMethod("get", Object.class));
        Assert.assertNotNull(klass.getMethod("toString"));

        Assert.assertNull(klass.getMethod("get", String.class));
        Assert.assertNotNull(klass.searchMethod("get", String.class));
    }
}