ReflectionUtilsTest.java

/*
Copyright 2016 Red Hat, Inc.

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.jboss.as.service;

import org.junit.Test;

import java.lang.reflect.Method;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

public class ReflectionUtilsTest {

    public static class Foo {
        public int getA() {
            return 0;
        }

        public boolean isB() {
            return false;
        }

        public int getC(int c) {
            return c;
        }
    }

    @Test
    public void findNonBooleanGetter() throws Exception {
        final Method getter = ReflectionUtils.getGetter(Foo.class, "a");
        assertNotNull(getter);
        assertEquals("getA", getter.getName());
    }

    @Test
    public void findBooleanGetter() throws Exception {
        final Method getter = ReflectionUtils.getGetter(Foo.class, "b");
        assertNotNull(getter);
        assertEquals("isB", getter.getName());
    }

    @Test(expected = IllegalStateException.class)
    public void doNotFindGetterWithArgument() throws Exception {
        ReflectionUtils.getGetter(Foo.class, "c");
        fail("Should have thrown exception - getC is not a getter");
    }
}