org.openrewrite.java.tree.IfTest.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.*
import org.junit.jupiter.api.Test
import org.openrewrite.java.JavaParser
import org.openrewrite.java.firstMethodStatement
interface IfTest {
@Test
fun ifElse(jp: JavaParser) {
val a = jp.parse("""
public class A {
int n;
public void test() {
if(n == 0) {
}
else if(n == 1) {
}
else {
}
}
}
""")[0]
val iff = a.firstMethodStatement() as J.If
assertTrue(iff.ifCondition.tree is J.Binary)
assertTrue(iff.thenPart is J.Block<*>)
assertTrue(iff.elsePart?.statement is J.If)
val elseIf = iff.elsePart?.statement as J.If
assertTrue(elseIf.ifCondition.tree is J.Binary)
assertTrue(elseIf.thenPart is J.Block<*>)
assertTrue(elseIf.elsePart?.statement is J.Block<*>)
assertEquals("""
if(n == 0) {
}
else if(n == 1) {
}
else {
}
""".trimIndent(), iff.printTrimmed())
}
@Test
fun noElse(jp: JavaParser) {
val a = jp.parse("""
public class A {
int n;
public void test() {
if(n == 0) {}
}
}
""")[0]
val iff = a.firstMethodStatement() as J.If
assertNull(iff.elsePart)
}
@Test
fun singleLineIfElseStatements(jp: JavaParser) {
val a = jp.parse("""
public class A {
int n;
public void test() {
if(n == 0) test();
else if(n == 1) test();
else test();
}
}
""")[0]
assertEquals("""
public void test() {
if(n == 0) test();
else if(n == 1) test();
else test();
}
""".trimIndent(), a.classes[0].methods[0].printTrimmed())
}
}