Add folding for record header

GitOrigin-RevId: b33bba12bc7e9bffddff6e8c613bfd507aad4cd8

java/java-psi-impl/src/com/intellij/codeInsight/folding/impl/JavaFoldingBuilderBase.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2017 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 2000-2019 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 com.intellij.codeInsight.folding.impl;
 
 import com.intellij.codeInsight.daemon.impl.CollectHighlightsUtil;
@@ -503,6 +489,9 @@ public abstract class JavaFoldingBuilderBase extends CustomFoldingBuilder implem
       else if (child instanceof PsiComment) {
         addCommentToFold(list, (PsiComment)child, document, processedComments);
       }
+      else if (child instanceof PsiRecordHeader) {
+        addToFold(list, child, document, false, "(...)", child.getTextRange(), false);
+      }
     }
   }
 

java/java-tests/testSrc/com/intellij/java/codeInsight/folding/JavaFolding14Test.kt

@@ -0,0 +1,28 @@
+// Copyright 2000-2019 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 com.intellij.java.codeInsight.folding
+
+import com.intellij.testFramework.LightProjectDescriptor
+import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
+
+class JavaFolding14Test : JavaFoldingTestCase() {
+  override fun getProjectDescriptor(): LightProjectDescriptor = LightJavaCodeInsightFixtureTestCase.JAVA_14
+
+  fun testRecord() {
+    val text = """
+        class B {}
+        
+        record A(
+          String s, 
+          int a
+        ) {
+          void f() {}
+        }""".trimIndent()
+    configure(text)
+
+    val regions = myFixture.editor.foldingModel.allFoldRegions
+    assertEquals("""
+        FoldRegion -(20:44), placeholder='(...)'
+        FoldRegion -(45:62), placeholder='{...}'
+    """.trimIndent(), regions.joinToString("\n"))
+  }
+}

java/testFramework/src/com/intellij/testFramework/fixtures/LightJavaCodeInsightFixtureTestCase.java

@@ -72,6 +72,7 @@ public abstract class LightJavaCodeInsightFixtureTestCase extends UsefulTestCase
   public static final @NotNull LightProjectDescriptor JAVA_11 = new ProjectDescriptor(LanguageLevel.JDK_11);
   public static final @NotNull LightProjectDescriptor JAVA_12 = new ProjectDescriptor(LanguageLevel.JDK_12);
   public static final @NotNull LightProjectDescriptor JAVA_13 = new ProjectDescriptor(LanguageLevel.JDK_13_PREVIEW);
+  public static final @NotNull LightProjectDescriptor JAVA_14 = new ProjectDescriptor(LanguageLevel.JDK_14);
   public static final @NotNull LightProjectDescriptor JAVA_X = new ProjectDescriptor(LanguageLevel.JDK_X);
 
   public static final @NotNull LightProjectDescriptor JAVA_LATEST = new ProjectDescriptor(LanguageLevel.HIGHEST) {