src/spec/test/semantics/LabelsTest.groovy

/*
 *  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 semantics

import org.junit.jupiter.api.Test

final class LabelsTest {

    @Test
    void testLabels() {
        // tag::labels[]
        given:
            def x = 1
            def y = 2
        when:
            def z = x+y
        then:
            assert z == 3
        // end::labels[]
    }

    @Test
    void testUseOfLabel() {
        // tag::break_label[]
        out:for (int i=0; i<9; i++) {
            for (int j=0; j<i; j++) {
                println "j=$j"
                if (j == 5) {
                    break out
                }
            }
            println "i=$i"
        }
        // end::break_label[]
    }
}