org.openrewrite.java.tree.ParenthesesTest.kt Maven / Gradle / Ivy

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/*
 * Copyright 2020 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
 * 

 * https://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.openrewrite.java.tree

import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Test
import org.openrewrite.java.JavaParser
import org.openrewrite.java.firstMethodStatement

interface ParenthesesTest {

    @Test
    fun parentheses(jp: JavaParser) {
        val a = jp.parse("""
            public class A {
                public void test() {
                    int n = ( 0 );
                }
            }
        """)[0]

        val variable by lazy { (a.firstMethodStatement() as J.VariableDecls).vars[0].initializer }

        assertTrue(variable is J.Parentheses<*>)
        assertEquals("( 0 )", variable?.printTrimmed())
    }
}