bump highest language level to 14, prepare to remove 13_preview

GitOrigin-RevId: ec42a9047ba63b0cbaddd8357d11ae2ed56ed6b6

java/java-psi-api/src/com/intellij/pom/java/LanguageLevel.java

@@ -38,7 +38,7 @@ public enum LanguageLevel {
   JDK_14_PREVIEW(JavaPsiBundle.message("jdk.14.preview.language.level.description"), 14),
   JDK_X(JavaPsiBundle.message("jdk.X.language.level.description"), 15);
 
-  public static final LanguageLevel HIGHEST = JDK_13;
+  public static final LanguageLevel HIGHEST = JDK_14;
   public static final Key<LanguageLevel> KEY = Key.create("LANGUAGE_LEVEL");
 
   private final String myPresentableText;

java/java-tests/testSrc/com/intellij/java/refactoring/IntroduceVariableTest.java

@@ -52,7 +52,7 @@ public class IntroduceVariableTest extends LightJavaCodeInsightTestCase {
   public void testExpectedType8Inference() { doTest("temp", true, false, false, "java.util.Map<java.lang.String,java.util.List<java.lang.String>>"); }
   public void testMethodCall() { doTest("temp", true, true, true, CommonClassNames.JAVA_LANG_OBJECT); }
   public void testMethodCallInSwitch() { doTest("i", true, true, true, "int"); }
-  public void testFunctionalExpressionInSwitchJava13Preview() { doTest("p", true, true, true, "java.util.function.Predicate<java.lang.String>"); }
+  public void testFunctionalExpressionInSwitch() { doTest("p", true, true, true, "java.util.function.Predicate<java.lang.String>"); }
   public void testParenthesizedOccurrence1() { doTest("empty", true, true, true, "boolean"); }
   public void testParenthesizedOccurrence2() { doTest("s", true, true, true, JAVA_LANG_STRING); }
   public void testAfterSemicolon() { doTest("s", true, true, true, CommonClassNames.JAVA_LANG_RUNNABLE); }
@@ -150,9 +150,9 @@ public class IntroduceVariableTest extends LightJavaCodeInsightTestCase {
   public void testReturnTernary() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
   public void testFieldInitializer() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
   public void testAssignTernary() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
-  public void testEnsureCodeBlockAroundBreakStatementJava13Preview() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
-  public void testEnsureCodeBlockForThrowsJava13Preview() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
-  public void testFromSwitchStatementJava13Preview() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
+  public void testEnsureCodeBlockAroundBreakStatement() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
+  public void testEnsureCodeBlockForThrows() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
+  public void testFromSwitchStatement() { doTest("temp", true, false, false, JAVA_LANG_STRING); }
 
   public void testVarTypeExtractedJava10() {
     doTestWithVarType(new MockIntroduceVariableHandler("temp", true, false, false, "java.util.ArrayList<java.lang.String>"));

jps/model-api/src/org/jetbrains/jps/model/java/LanguageLevel.java

@@ -22,7 +22,7 @@ public enum LanguageLevel {
   JDK_14(14), JDK_14_PREVIEW(14),
   JDK_X(15);
 
-  public static final LanguageLevel HIGHEST = JDK_13;
+  public static final LanguageLevel HIGHEST = JDK_14;
 
   private final JavaVersion myVersion;
 

plugins/InspectionGadgets/test/com/siyeh/igfixes/controlflow/create_default/afterEmpty.java

@@ -3,8 +3,7 @@ class X {
   void test(int i) {
     switch(i) {
 
-        default:
-            throw new IllegalStateException("Unexpected value: " + i);
+        default -> throw new IllegalStateException("Unexpected value: " + i);
     }
   }
 }

plugins/InspectionGadgets/test/com/siyeh/igfixes/controlflow/create_default/afterEmptyJava13.java

@@ -3,7 +3,8 @@ class X {
   void test(int i) {
     switch(i) {
 
-        default -> throw new IllegalStateException("Unexpected value: " + i);
+        default:
+            throw new IllegalStateException("Unexpected value: " + i);
     }
   }
 }

plugins/InspectionGadgets/test/com/siyeh/igfixes/controlflow/enumswitch/afterWithoutBraces.java

@@ -2,10 +2,10 @@
 class Foo {
   void foo(E e) {
       switch (e) {
-          case E1:
-              break;
-          case E2:
-              break;
+          case E1 -> {
+          }
+          case E2 -> {
+          }
       }
   }
 }

plugins/InspectionGadgets/test/com/siyeh/igfixes/controlflow/enumswitch/afterWithoutBracesJava13.java

@@ -2,10 +2,10 @@
 class Foo {
   void foo(E e) {
       switch (e) {
-          case E1 -> {
-          }
-          case E2 -> {
-          }
+          case E1:
+              break;
+          case E2:
+              break;
       }
   }
 }

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/switchbranches/CreateMissingSwitchBranchesActionTest.java

@@ -1,8 +1,10 @@
 // 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 com.siyeh.ipp.switchbranches;
 
+import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.psiutils.CreateSwitchBranchesUtil;
 import com.siyeh.ipp.IPPTestCase;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;
 
@@ -44,4 +46,9 @@ public class CreateMissingSwitchBranchesActionTest extends IPPTestCase {
   protected String getRelativePath() {
     return "switchbranches";
   }
+
+  @Override
+  protected @NotNull LightProjectDescriptor getProjectDescriptor() {
+    return JAVA_8;
+  }
 }