org.openrewrite.java.tree.InstanceOfTest.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.Test
import org.openrewrite.java.JavaParser
import org.openrewrite.java.asClass
import org.openrewrite.java.firstMethodStatement

interface InstanceOfTest {
    @Test
    fun instanceOf(jp: JavaParser) {
        val a = jp.parse("""
            public class A {
                Object o;
                public void test() {
                    boolean b = o instanceof String;
                }
            }
        """)[0]

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

        assertEquals("java.lang.String", (instanceof.clazz as J.Ident).type.asClass()?.fullyQualifiedName)
        assertEquals("o instanceof String", instanceof.printTrimmed())
    }
}