[groovy] move left-right for 'for' update expressions (IDEA-188433)

plugins/groovy/src/org/jetbrains/plugins/groovy/codeInsight/editorActions/GroovyMoveLeftRightHandler.kt

@@ -1,23 +1,10 @@
-/*
- * Copyright 2000-2016 JetBrains s.r.o.
- *
- * 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
- *
- * 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.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.plugins.groovy.codeInsight.editorActions
 
 import com.intellij.codeInsight.editorActions.moveLeftRight.MoveElementLeftRightHandler
 import com.intellij.psi.PsiElement
 import com.intellij.psi.util.PsiTreeUtil.getChildrenOfAnyType
+import org.jetbrains.plugins.groovy.lang.psi.api.GrExpressionList
 import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.GrListOrMap
 import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.modifiers.GrModifierList
 import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.modifiers.annotation.GrAnnotationArgumentList
@@ -46,6 +33,7 @@ class GroovyMoveLeftRightHandler : MoveElementLeftRightHandler() {
     is GrTypeArgumentList -> element.typeArgumentElements
     is GrTypeParameterList -> element.typeParameters
     is GrVariableDeclaration -> element.variables
+    is GrExpressionList -> element.expressions.toTypedArray()
     else -> PsiElement.EMPTY_ARRAY
   }
-}
+}

plugins/groovy/test/org/jetbrains/plugins/groovy/codeInsight/editorActions/GroovyMoveLeftRightHandlerTest.groovy

@@ -114,4 +114,8 @@ class GroovyMoveLeftRightHandlerTest extends LightGroovyTestCase {
     doTest '<caret>1 + 2 + 3'
     doTest '1 + <caret>2 + 3'
   }
+
+  void 'test for update'() {
+    doTest 'for (;; <caret>1, 2, 3) {}', 'for (;; 2, <caret>1, 3) {}'
+  }
 }