src/test/groovy/bugs/Groovy5687Bug.groovy

/*
 * Copyright 2003-2012 the original author or authors.
 *
 * 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 groovy.bugs

import java.text.SimpleDateFormat

class Groovy5687Bug extends GroovyTestCase {
    void testStaticAccessToInterfaceConstant() {
        assert DateTimeUtils.convertMilitaryTimeToAmPm('20:30') == '8:30pm'
    }

    static interface DateTimeFormatConstants {
        SimpleDateFormat AM_PM_TIME_FORMAT = new SimpleDateFormat("h:mma")
        SimpleDateFormat MILITARY_TIME_FORMAT = new SimpleDateFormat("HH:mm")
    }

    static interface DateTimeFormatConstants2 extends DateTimeFormatConstants {}

    static class DateTimeUtils implements DateTimeFormatConstants2 {
        static String convertMilitaryTimeToAmPm(String militaryTime) {
            Date date = MILITARY_TIME_FORMAT.parse(militaryTime)
            AM_PM_TIME_FORMAT.format(date).toLowerCase()
        }
    }
}