
org.openrewrite.java.InvertConditionTest.kt Maven / Gradle / Ivy
/*
* Copyright 2021 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
import org.junit.jupiter.api.Test
import org.openrewrite.ExecutionContext
import org.openrewrite.Recipe
import org.openrewrite.java.tree.J
interface InvertConditionTest : JavaRecipeTest {
override val recipe: Recipe?
get() = toRecipe {
object : JavaIsoVisitor() {
override fun visitIf(iff: J.If, p: ExecutionContext): J.If {
return iff.withIfCondition(InvertCondition.invert(iff.ifCondition, cursor))
}
}
}
@Suppress("StatementWithEmptyBody", "ConstantConditions", "InfiniteRecursion")
@Test
fun invertCondition(jp: JavaParser) = assertChanged(
jp,
before = """
class Test {
boolean a;
boolean b;
boolean test() {
if(!b) {}
if(b || a) {}
if(1 < 2) {}
if(b) {}
if((b)) {}
if(test()) {}
if(this.test()) {}
return true;
}
}
""",
after = """
class Test {
boolean a;
boolean b;
boolean test() {
if(b) {}
if(!(b || a)) {}
if(1 >= 2) {}
if(!b) {}
if(!(b)) {}
if(!test()) {}
if(!this.test()) {}
return true;
}
}
""",
cycles = 1,
expectedCyclesThatMakeChanges = 1
)
}