language level 15, remove 13 preview

GitOrigin-RevId: 5e0277b784e6dfa59ad4eca16688bc3a40c04d60

java/java-analysis-api/resources/messages/JavaAnalysisBundle.properties

@@ -113,7 +113,6 @@ feature.enhanced.switch=Enhanced 'switch' blocks
 feature.switch.expressions='switch' expressions
 feature.records=Records
 feature.patterns.instanceof=Patterns in 'instanceof'
-feature.text.block.escape.sequences='\\s' and '\\' escape sequences
 
 find.searching.for.references.to.class.progress=Searching for references to class {0}...
 find.usages.panel.title.derived.classes=Derived Classes

java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightUtil.java

@@ -1218,13 +1218,13 @@ public class HighlightUtil {
         }
         else {
           if (file != null && containsUnescaped(text, "\\\n")) {
-            final HighlightInfo info = checkFeature(expression, HighlightingFeature.TEXT_BLOCK_ESCAPES, level, file);
+            final HighlightInfo info = checkFeature(expression, HighlightingFeature.TEXT_BLOCKS, level, file);
             if (info != null) return info;
           }
         }
       }
       if (file != null && containsUnescaped(text, "\\s")) {
-        final HighlightInfo info = checkFeature(expression, HighlightingFeature.TEXT_BLOCK_ESCAPES, level, file);
+        final HighlightInfo info = checkFeature(expression, HighlightingFeature.TEXT_BLOCKS, level, file);
         if (info != null) return info;
       }
     }

java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightingFeature.java

@@ -32,32 +32,16 @@ public enum HighlightingFeature {
   MODULES(LanguageLevel.JDK_1_9, "feature.modules"),
   LVTI(LanguageLevel.JDK_10, "feature.lvti"),
   VAR_LAMBDA_PARAMETER(LanguageLevel.JDK_11, "feature.var.lambda.parameter"),
-  ENHANCED_SWITCH(LanguageLevel.JDK_13_PREVIEW, "feature.enhanced.switch"){
-    @Override
-    boolean isSufficient(@NotNull LanguageLevel useSiteLevel) {
-      return useSiteLevel.isAtLeast(LanguageLevel.JDK_13_PREVIEW);//enabled in jdk 14 as standard
-    }
-
-    @Override
-    LanguageLevel getStandardLevel() {
-      return LanguageLevel.JDK_14;
-    }
-  },
-  SWITCH_EXPRESSION(LanguageLevel.JDK_13_PREVIEW, "feature.switch.expressions") {
-    @Override
-    boolean isSufficient(@NotNull LanguageLevel useSiteLevel) {
-      return useSiteLevel.isAtLeast(LanguageLevel.JDK_13_PREVIEW);//enabled in jdk 14 as standard
-    }
-
-    @Override
-    LanguageLevel getStandardLevel() {
-      return LanguageLevel.JDK_14;
-    }
-  },
-  TEXT_BLOCKS(LanguageLevel.JDK_13_PREVIEW, "feature.text.blocks"),
+  ENHANCED_SWITCH(LanguageLevel.JDK_14, "feature.enhanced.switch"),
+  SWITCH_EXPRESSION(LanguageLevel.JDK_14, "feature.switch.expressions"),
   RECORDS(LanguageLevel.JDK_14_PREVIEW, "feature.records"),
   PATTERNS(LanguageLevel.JDK_14_PREVIEW, "feature.patterns.instanceof"),
-  TEXT_BLOCK_ESCAPES(LanguageLevel.JDK_14_PREVIEW, "feature.text.block.escape.sequences");
+  TEXT_BLOCKS(LanguageLevel.JDK_14_PREVIEW, "feature.text.blocks") {
+    @Override
+    boolean isSufficient(@NotNull LanguageLevel useSiteLevel) {
+      return useSiteLevel.isAtLeast(LanguageLevel.JDK_14_PREVIEW);
+    }
+  };
 
   final LanguageLevel level;
   @PropertyKey(resourceBundle = JavaErrorBundle.BUNDLE)

java/java-impl/src/com/intellij/codeInsight/completion/JavaKeywordCompletion.java

@@ -823,7 +823,7 @@ public class JavaKeywordCompletion {
       addKeyword(br);
     }
     else if (psiElement().inside(PsiSwitchExpression.class).accepts(myPosition) &&
-             PsiUtil.getLanguageLevel(myPosition).isAtLeast(LanguageLevel.JDK_13_PREVIEW)) {
+             PsiUtil.getLanguageLevel(myPosition).isAtLeast(LanguageLevel.JDK_14)) {
       addKeyword(TailTypeDecorator.withTail(createKeyword(PsiKeyword.YIELD), TailType.INSERT_SPACE));
     }
 

java/java-psi-api/resources/messages/JavaPsiBundle.properties

@@ -121,6 +121,8 @@ jdk.13.language.level.description=13 - No new language features
 jdk.13.preview.language.level.description=13 (Preview) - Switch expressions, text blocks
 jdk.14.language.level.description=14 - Switch expressions
 jdk.14.preview.language.level.description=14 (Preview) - Records, patterns, text blocks
+jdk.15.language.level.description=15 - Text blocks
+jdk.15.preview.language.level.description=15 (Preview) - Sealed types
 jdk.X.language.level.description=X - Experimental features
 
 local.class.preposition=local

java/java-psi-api/src/com/intellij/openapi/projectRoots/JavaSdkVersion.java

@@ -28,7 +28,8 @@ public enum JavaSdkVersion {
   JDK_12(LanguageLevel.JDK_12),
   JDK_13(LanguageLevel.JDK_13),
   JDK_14(LanguageLevel.JDK_14),
-  JDK_15(LanguageLevel.JDK_X);
+  JDK_15(LanguageLevel.JDK_15),
+  JDK_16(LanguageLevel.JDK_X);
 
   private final LanguageLevel myMaxLanguageLevel;
 

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

@@ -33,10 +33,12 @@ public enum LanguageLevel {
   JDK_11(JavaPsiBundle.message("jdk.11.language.level.description"), 11),
   JDK_12(JavaPsiBundle.message("jdk.12.language.level.description"), 12),
   JDK_13(JavaPsiBundle.message("jdk.13.language.level.description"), 13),
-  JDK_13_PREVIEW(JavaPsiBundle.message("jdk.13.preview.language.level.description"), 13),
   JDK_14(JavaPsiBundle.message("jdk.14.language.level.description"), 14),
   JDK_14_PREVIEW(JavaPsiBundle.message("jdk.14.preview.language.level.description"), 14),
-  JDK_X(JavaPsiBundle.message("jdk.X.language.level.description"), 15);
+  JDK_15(JavaPsiBundle.message("jdk.15.language.level.description"), 15),
+  JDK_15_PREVIEW(JavaPsiBundle.message("jdk.15.preview.language.level.description"), 15),
+  
+  JDK_X(JavaPsiBundle.message("jdk.X.language.level.description"), 16);
 
   public static final LanguageLevel HIGHEST = JDK_14;
   public static final Key<LanguageLevel> KEY = Key.create("LANGUAGE_LEVEL");

java/java-psi-impl/src/com/intellij/lang/java/lexer/JavaLexer.java

@@ -41,7 +41,7 @@ public class JavaLexer extends LexerBase {
     return id != null &&
            (level.isAtLeast(LanguageLevel.JDK_1_9) && JAVA9_KEYWORDS.contains(id) ||
             level.isAtLeast(LanguageLevel.JDK_10) && VAR.contentEquals(id) ||
-            level.isAtLeast(LanguageLevel.JDK_13_PREVIEW) && YIELD.contentEquals(id) ||
+            level.isAtLeast(LanguageLevel.JDK_14) && YIELD.contentEquals(id) ||
             level.isAtLeast(LanguageLevel.JDK_14_PREVIEW) && RECORD.contentEquals(id));
   }
 

java/java-psi-impl/src/com/intellij/lang/java/parser/StatementParser.java

@@ -120,7 +120,7 @@ public class StatementParser {
     }
     else if (tokenType == JavaTokenType.IDENTIFIER &&
              PsiKeyword.YIELD.equals(builder.getTokenText()) &&
-             getLanguageLevel(builder).isAtLeast(LanguageLevel.JDK_13_PREVIEW)) {
+             getLanguageLevel(builder).isAtLeast(LanguageLevel.JDK_14)) {
       return parseYieldStatement(builder);
     }
     else if (tokenType == JavaTokenType.CONTINUE_KEYWORD) {

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/UnsupportedFeatures.java

@@ -23,6 +23,6 @@ class UnsupportedFeatures {
 
     String raw = <error descr="Text block literals are not supported at language level '1.4'">"""hi there"""</error>;
 
-    String spaceEscapeSeq = <error descr="'\s' and '\' escape sequences are not supported at language level '1.4'">"\s"</error>;
+    String spaceEscapeSeq = <error descr="Text block literals are not supported at language level '1.4'">"\s"</error>;
   }
 }

java/java-tests/testSrc/com/intellij/java/codeInsight/completion/NormalSwitchCompletionTest.groovy

@@ -6,11 +6,11 @@ import groovy.transform.CompileStatic
 import org.jetbrains.annotations.NotNull
 
 @CompileStatic
-class Normal13CompletionTest extends NormalCompletionTestCase {
+class NormalSwitchCompletionTest extends NormalCompletionTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13
+    return JAVA_14
   }
 
   void testDefaultInRuleSwitch() { doTest() }

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/JavaSwitchExpressionsHighlightingTest.kt

@@ -6,7 +6,7 @@ import com.intellij.codeInspection.redundantCast.RedundantCastInspection
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 class JavaSwitchExpressionsHighlightingTest : LightJavaCodeInsightFixtureTestCase() {
-  override fun getProjectDescriptor() = JAVA_13
+  override fun getProjectDescriptor() = JAVA_14
   override fun getBasePath() = "${JavaTestUtil.getRelativeJavaTestDataPath()}/codeInsight/daemonCodeAnalyzer/switchExpressions"
 
   fun testEnhancedSwitchStatements() = doTest()

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/indentGuide/JavaTextBlockIndentGuidePerformanceTest.java

@@ -5,13 +5,13 @@ import com.intellij.JavaTestUtil;
 import com.intellij.codeInsight.daemon.LightDaemonAnalyzerTestCase;
 import com.intellij.testFramework.LightProjectDescriptor;
 import com.intellij.testFramework.PlatformTestUtil;
+import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Collections;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
-import static com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase.JAVA_13;
 
 public class JavaTextBlockIndentGuidePerformanceTest extends LightDaemonAnalyzerTestCase {
   @NotNull
@@ -35,7 +35,7 @@ public class JavaTextBlockIndentGuidePerformanceTest extends LightDaemonAnalyzer
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return LightJavaCodeInsightFixtureTestCase.JAVA_14;
   }
 
   private static String createCodeBlocks(int n, int nLines) {

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/indentGuide/JavaTextBlockIndentGuideTest.java

@@ -113,7 +113,7 @@ public class JavaTextBlockIndentGuideTest extends BaseIndentGuideTest {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 
   private void doTest(@NotNull String text) {

java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/quickFix/WrapSwitchRuleStatementsIntoBlockFixTest.java

@@ -2,19 +2,9 @@
 package com.intellij.java.codeInsight.daemon.quickFix;
 
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
-import com.intellij.testFramework.LightProjectDescriptor;
-import org.jetbrains.annotations.NotNull;
-
-import static com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase.JAVA_13;
 
 
 public class WrapSwitchRuleStatementsIntoBlockFixTest extends LightQuickFixParameterizedTestCase {
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Override
   protected String getBasePath() {
     return "/codeInsight/daemonCodeAnalyzer/quickFix/wrapSwitchRuleStatements";

java/java-tests/testSrc/com/intellij/java/codeInsight/editorActions/JavaQuoteTest.groovy

@@ -36,7 +36,7 @@ class JavaQuoteTest extends LightJavaCodeInsightFixtureTestCase {
 
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13
+    return JAVA_14
   }
 
   private void doTest(String before, String after, char c = '"') {

java/java-tests/testSrc/com/intellij/java/codeInsight/generation/surroundWith/JavaSurroundWith12Test.kt

@@ -13,7 +13,7 @@ import com.intellij.util.containers.ContainerUtil
 class JavaSurroundWith13Test : LightJavaCodeInsightTestCase() {
   private val BASE_PATH = "/codeInsight/generation/surroundWith/java13/"
 
-  override fun getProjectDescriptor(): LightProjectDescriptor = JavaFoldingTestCase.JAVA_13
+  override fun getProjectDescriptor(): LightProjectDescriptor = JavaFoldingTestCase.JAVA_14
 
   fun testCaseBlockWithIf() = doTest(JavaWithIfSurrounder())
   fun testCaseResultWithIf() = doTest(JavaWithIfSurrounder())

java/java-tests/testSrc/com/intellij/java/codeInsight/highlighting/HighlightUsagesHandlerTest.groovy

@@ -101,7 +101,7 @@ class HighlightUsagesHandlerTest extends LightJavaCodeInsightFixtureTestCase {
   }
 
   void testBreakInSwitchExpr() {
-    IdeaTestUtil.withLevel module, LanguageLevel.JDK_13_PREVIEW, {
+    IdeaTestUtil.withLevel module, LanguageLevel.JDK_14, {
       configureFile()
       ctrlShiftF7()
       assertRangeText 'switch', 'yield', 'yield'

java/java-tests/testSrc/com/intellij/java/codeInsight/intention/SplitSwitchBranchWithSeveralCaseValuesTest.java

@@ -2,10 +2,7 @@
 package com.intellij.java.codeInsight.intention;
 
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
-import com.intellij.testFramework.LightProjectDescriptor;
-import org.jetbrains.annotations.NotNull;
 
-import static com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase.JAVA_13;
 
 public class SplitSwitchBranchWithSeveralCaseValuesTest extends LightQuickFixParameterizedTestCase {
 
@@ -14,12 +11,6 @@ public class SplitSwitchBranchWithSeveralCaseValuesTest extends LightQuickFixPar
     return "/codeInsight/daemonCodeAnalyzer/quickFix/splitSwitchBranchWithSeveralCaseValues";
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Override
   protected boolean shouldBeAvailableAfterExecution() {
     return false;

java/java-tests/testSrc/com/intellij/java/codeInsight/template/JavaLiveTemplateTest.groovy

@@ -25,7 +25,7 @@ class JavaLiveTemplateTest extends LiveTemplateTestCase {
 
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13
+    return JAVA_14
   }
 
   final String basePath = JavaTestUtil.getRelativeJavaTestDataPath() + "/codeInsight/template/"

java/java-tests/testSrc/com/intellij/java/codeInsight/template/postfix/templates/SwitchExpressionPostfixTemplateTest.java

@@ -1,7 +1,6 @@
 // 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.template.postfix.templates;
 
-import com.intellij.testFramework.LightProjectDescriptor;
 import org.jetbrains.annotations.NotNull;
 
 public class SwitchExpressionPostfixTemplateTest extends PostfixTemplateTestCase {
@@ -11,12 +10,6 @@ public class SwitchExpressionPostfixTemplateTest extends PostfixTemplateTestCase
     return "switch";
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   public void testIntExprInit() {
     doTest();
   }

java/java-tests/testSrc/com/intellij/java/codeInspection/DuplicateBranchesInEnhancedSwitchFixTest.kt

@@ -4,8 +4,6 @@ package com.intellij.java.codeInspection
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase
 import com.intellij.codeInspection.DuplicateBranchesInSwitchInspection
 import com.intellij.codeInspection.LocalInspectionTool
-import com.intellij.testFramework.LightProjectDescriptor
-import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
  * @author Pavel.Dolgov
@@ -16,5 +14,4 @@ class DuplicateBranchesInEnhancedSwitchFixTest : LightQuickFixParameterizedTestC
 
   override fun getBasePath() = "/inspection/duplicateBranchesInEnhancedSwitchFix"
 
-  override fun getProjectDescriptor(): LightProjectDescriptor = LightJavaCodeInsightFixtureTestCase.JAVA_13
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/DuplicateBranchesInEnhancedSwitchTest.kt

@@ -3,7 +3,6 @@ package com.intellij.java.codeInspection
 
 import com.intellij.JavaTestUtil
 import com.intellij.codeInspection.DuplicateBranchesInSwitchInspection
-import com.intellij.testFramework.LightProjectDescriptor
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
@@ -11,7 +10,6 @@ import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
  */
 class DuplicateBranchesInEnhancedSwitchTest : LightJavaCodeInsightFixtureTestCase() {
   override fun getBasePath() = JavaTestUtil.getRelativeJavaTestDataPath() + "/inspection/duplicateBranchesInEnhancedSwitch"
-  override fun getProjectDescriptor(): LightProjectDescriptor = JAVA_13
 
   fun testSimpleExpression() = doTest()
   fun testSimpleStatement() = doTest()

java/java-tests/testSrc/com/intellij/java/codeInspection/EnhancedSwitchBackwardMigrationInspectionTest.java

@@ -20,6 +20,6 @@ public class EnhancedSwitchBackwardMigrationInspectionTest extends LightQuickFix
 
   @Override
   protected LanguageLevel getLanguageLevel() {
-    return LanguageLevel.JDK_13_PREVIEW;
+    return LanguageLevel.JDK_14;
   }
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/EnhancedSwitchMigrationInspectionTest.java

@@ -22,6 +22,6 @@ public class EnhancedSwitchMigrationInspectionTest extends LightQuickFixParamete
 
   @Override
   protected LanguageLevel getLanguageLevel() {
-    return LanguageLevel.JDK_13_PREVIEW;
+    return LanguageLevel.JDK_14;
   }
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/ManualMinMaxCalculationInspectionTest.java

@@ -4,8 +4,6 @@ package com.intellij.java.codeInspection;
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
 import com.intellij.codeInspection.LocalInspectionTool;
 import com.intellij.codeInspection.ManualMinMaxCalculationInspection;
-import com.intellij.testFramework.LightProjectDescriptor;
-import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -22,9 +20,4 @@ public class ManualMinMaxCalculationInspectionTest extends LightQuickFixParamete
     return "/inspection/manualMinMaxCalculation";
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return LightJavaCodeInsightFixtureTestCase.JAVA_13;
-  }
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/enhancedSwitch/RedundantLabeledSwitchRuleCodeBlockFixTest.kt

@@ -4,8 +4,6 @@ package com.intellij.java.codeInspection.enhancedSwitch
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase
 import com.intellij.codeInspection.LocalInspectionTool
 import com.intellij.codeInspection.enhancedSwitch.RedundantLabeledSwitchRuleCodeBlockInspection
-import com.intellij.testFramework.LightProjectDescriptor
-import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
  * @author Pavel.Dolgov
@@ -13,7 +11,6 @@ import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 class RedundantLabeledSwitchRuleCodeBlockFixTest  : LightQuickFixParameterizedTestCase() {
   override fun configureLocalInspectionTools(): Array<LocalInspectionTool> = arrayOf(RedundantLabeledSwitchRuleCodeBlockInspection())
 
-  override fun getProjectDescriptor(): LightProjectDescriptor = LightJavaCodeInsightFixtureTestCase.JAVA_13
 
   override fun getBasePath() = "/inspection/redundantLabeledSwitchRuleCodeBlockFix"
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/enhancedSwitch/RedundantLabeledSwitchRuleCodeBlockTest.kt

@@ -3,7 +3,6 @@ package com.intellij.java.codeInspection.enhancedSwitch
 
 import com.intellij.JavaTestUtil
 import com.intellij.codeInspection.enhancedSwitch.RedundantLabeledSwitchRuleCodeBlockInspection
-import com.intellij.testFramework.LightProjectDescriptor
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
@@ -14,9 +13,7 @@ class RedundantLabeledSwitchRuleCodeBlockTest  : LightJavaCodeInsightFixtureTest
     super.setUp()
     myFixture.enableInspections(RedundantLabeledSwitchRuleCodeBlockInspection())
   }
-
-  override fun getProjectDescriptor(): LightProjectDescriptor = JAVA_13
-
+  
   override fun getBasePath() = JavaTestUtil.getRelativeJavaTestDataPath() + "/inspection/redundantLabeledSwitchRuleCodeBlock"
 
   fun testInExpression() = doTest()

java/java-tests/testSrc/com/intellij/java/codeInspection/enhancedSwitch/SwitchLabeledRuleCanBeCodeBlockFixTest.kt

@@ -4,8 +4,6 @@ package com.intellij.java.codeInspection.enhancedSwitch
 import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase
 import com.intellij.codeInspection.LocalInspectionTool
 import com.intellij.codeInspection.enhancedSwitch.SwitchLabeledRuleCanBeCodeBlockInspection
-import com.intellij.testFramework.LightProjectDescriptor
-import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
  * @author Pavel.Dolgov
@@ -13,8 +11,6 @@ import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 class SwitchLabeledRuleCanBeCodeBlockFixTest : LightQuickFixParameterizedTestCase() {
 
   override fun configureLocalInspectionTools(): Array<LocalInspectionTool> = arrayOf(SwitchLabeledRuleCanBeCodeBlockInspection())
-
-  override fun getProjectDescriptor(): LightProjectDescriptor = LightJavaCodeInsightFixtureTestCase.JAVA_13
-
+  
   override fun getBasePath() = "/inspection/switchLabeledRuleCanBeCodeBlockFix"
 }

java/java-tests/testSrc/com/intellij/java/codeInspection/enhancedSwitch/SwitchLabeledRuleCanBeCodeBlockTest.kt

@@ -6,14 +6,12 @@ import com.intellij.codeHighlighting.HighlightDisplayLevel
 import com.intellij.codeInsight.daemon.HighlightDisplayKey
 import com.intellij.codeInspection.enhancedSwitch.SwitchLabeledRuleCanBeCodeBlockInspection
 import com.intellij.profile.codeInspection.ProjectInspectionProfileManager
-import com.intellij.testFramework.LightProjectDescriptor
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase
 
 /**
  * @author Pavel.Dolgov
  */
 class SwitchLabeledRuleCanBeCodeBlockTest : LightJavaCodeInsightFixtureTestCase() {
-  override fun getProjectDescriptor(): LightProjectDescriptor = JAVA_13
   override fun getBasePath() = JavaTestUtil.getRelativeJavaTestDataPath() + "/inspection/switchLabeledRuleCanBeCodeBlock"
 
   fun testInExpression() = doTest()

java/java-tests/testSrc/com/intellij/java/execution/configurations/JavaParametersTest.java

@@ -111,15 +111,15 @@ public class JavaParametersTest extends ModuleRootManagerTestCase {
   public void testPreviewLanguageFeatures() throws CantRunException {
     ModuleRootModificationUtil.updateModel(myModule, (model) -> {
       model.getModuleExtension(LanguageLevelModuleExtension.class)
-           .setLanguageLevel(LanguageLevel.JDK_13_PREVIEW);
-      model.setSdk(IdeaTestUtil.getMockJdk(JavaVersion.compose(13)));
+           .setLanguageLevel(LanguageLevel.JDK_14_PREVIEW);
+      model.setSdk(IdeaTestUtil.getMockJdk(JavaVersion.compose(14)));
     });
     JavaParameters javaParameters = new JavaParameters();
     javaParameters.configureByModule(myModule, JavaParameters.CLASSES_AND_TESTS);
     assertTrue(javaParameters.getVMParametersList().hasParameter(JavaParameters.JAVA_ENABLE_PREVIEW_PROPERTY));
 
     ModuleRootModificationUtil.updateModel(myModule, (model) -> model.getModuleExtension(LanguageLevelModuleExtension.class)
-                                                                     .setLanguageLevel(LanguageLevel.JDK_12));
+                                                                     .setLanguageLevel(LanguageLevel.JDK_14));
     javaParameters = new JavaParameters();
     javaParameters.configureByModule(myModule, JavaParameters.CLASSES_AND_TESTS);
     assertFalse(javaParameters.getVMParametersList().hasParameter(JavaParameters.JAVA_ENABLE_PREVIEW_PROPERTY));

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

@@ -71,7 +71,7 @@ public abstract class LightJavaCodeInsightFixtureTestCase extends UsefulTestCase
   public static final @NotNull LightProjectDescriptor JAVA_10_ANNOTATED = new ProjectDescriptor(LanguageLevel.JDK_10, true);
   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_13 = new ProjectDescriptor(LanguageLevel.JDK_13);
   public static final @NotNull LightProjectDescriptor JAVA_14 = new ProjectDescriptor(LanguageLevel.JDK_14_PREVIEW);
   public static final @NotNull LightProjectDescriptor JAVA_X = new ProjectDescriptor(LanguageLevel.JDK_X);
 

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

@@ -18,9 +18,10 @@ public enum LanguageLevel {
   JDK_10(10),
   JDK_11(11),
   JDK_12(12),
-  JDK_13(13), JDK_13_PREVIEW(13),
+  JDK_13(13),
   JDK_14(14), JDK_14_PREVIEW(14),
-  JDK_X(15);
+  JDK_15(15), JDK_15_PREVIEW(15),
+  JDK_X(16);
 
   public static final LanguageLevel HIGHEST = JDK_14;
 

plugins/InspectionGadgets/testsrc/com/resources/IOResourceInspectionTest.java

@@ -40,7 +40,7 @@ public class IOResourceInspectionTest extends LightJavaInspectionTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 
   @Override

plugins/InspectionGadgets/testsrc/com/siyeh/ig/assignment/NestedAssignmentInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.assignment;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 
 public class NestedAssignmentInspectionTest extends LightJavaInspectionTestCase {
 
@@ -34,9 +32,4 @@ public class NestedAssignmentInspectionTest extends LightJavaInspectionTestCase
     return new NestedAssignmentInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/bugs/IgnoreResultOfCallInspectionTest.groovy

@@ -32,7 +32,7 @@ class IgnoreResultOfCallInspectionTest extends LightJavaInspectionTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13
+    return JAVA_14
   }
 
   @Override

plugins/InspectionGadgets/testsrc/com/siyeh/ig/bugs/ResultOfObjectAllocationIgnoredInspectionTest.java

@@ -16,9 +16,7 @@
 package com.siyeh.ig.bugs;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -37,10 +35,4 @@ public class ResultOfObjectAllocationIgnoredInspectionTest extends LightJavaInsp
     inspection.ignoredClasses.add("java.util.ArrayList");
     return inspection;
   }
-
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/bugs/TextLabelInSwitchStatementInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.bugs;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -44,12 +42,6 @@ public class TextLabelInSwitchStatementInspectionTest extends LightJavaInspectio
     return new TextLabelInSwitchStatementInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Override
   protected String[] getEnvironmentClasses() {
     return new String[] {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/bugs/ThrowableInstanceNeverThrownInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.bugs;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class ThrowableInstanceNeverThrownInspectionTest extends LightJavaInspectionTestCase {
@@ -18,12 +16,6 @@ public class ThrowableInstanceNeverThrownInspectionTest extends LightJavaInspect
     return new ThrowableNotThrownInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Override
   protected String getBasePath() {
     return "/plugins/InspectionGadgets/test/com/siyeh/igtest/bugs/throwable_instance_never_thrown";

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/BreakStatementInspectionTest.java

@@ -2,10 +2,8 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
 import org.intellij.lang.annotations.Language;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -32,9 +30,4 @@ public class BreakStatementInspectionTest extends LightJavaInspectionTestCase {
     return new BreakStatementInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/ConditionalExpressionWithIdenticalBranchesInspectionTest.java

@@ -21,6 +21,6 @@ public class ConditionalExpressionWithIdenticalBranchesInspectionTest extends Li
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/DefaultNotLastCaseInSwitchInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class DefaultNotLastCaseInSwitchInspectionTest extends LightJavaInspectionTestCase {
@@ -12,12 +10,6 @@ public class DefaultNotLastCaseInSwitchInspectionTest extends LightJavaInspectio
     doTest();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Nullable
   @Override
   protected InspectionProfileEntry getInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/EnumSwitchStatementWhichMissesCasesInspectionTest.java

@@ -16,9 +16,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -151,7 +149,7 @@ public class EnumSwitchStatementWhichMissesCasesInspectionTest extends LightJava
            "}");
   }
 
-  public void testJava13Preview() {
+  public void testJava14() {
     doTest("enum E {A, B, C}\n" +
            "\n" +
            "class X {\n" +
@@ -176,11 +174,6 @@ public class EnumSwitchStatementWhichMissesCasesInspectionTest extends LightJava
            "}");
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 
   @Nullable
   @Override

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/NestedSwitchInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class NestedSwitchInspectionTest extends LightJavaInspectionTestCase {
@@ -12,13 +10,7 @@ public class NestedSwitchInspectionTest extends LightJavaInspectionTestCase {
   public void testNestedSwitch() {
     doTest();
   }
-
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
+  
   @Nullable
   @Override
   protected InspectionProfileEntry getInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/SwitchStatementDensityInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class SwitchStatementDensityInspectionTest extends LightJavaInspectionTestCase {
@@ -18,9 +16,4 @@ public class SwitchStatementDensityInspectionTest extends LightJavaInspectionTes
     return new SwitchStatementDensityInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/SwitchStatementWithConfusingDeclarationInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class SwitchStatementWithConfusingDeclarationInspectionTest extends LightJavaInspectionTestCase {
@@ -18,9 +16,4 @@ public class SwitchStatementWithConfusingDeclarationInspectionTest extends Light
     return new SwitchStatementWithConfusingDeclarationInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/SwitchStatementWithTooFewBranchesInspectionTest.java

@@ -16,9 +16,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class SwitchStatementWithTooFewBranchesInspectionTest extends LightJavaInspectionTestCase {
@@ -27,11 +25,6 @@ public class SwitchStatementWithTooFewBranchesInspectionTest extends LightJavaIn
     doTest();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 
   @Nullable
   @Override

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/SwitchStatementWithTooManyBranchesInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -110,12 +108,6 @@ public class SwitchStatementWithTooManyBranchesInspectionTest extends LightJavaI
                  "    }");
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Nullable
   @Override
   protected InspectionProfileEntry getInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/SwitchStatementsWithoutDefaultInspectionTest.java

@@ -16,9 +16,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class SwitchStatementsWithoutDefaultInspectionTest extends LightJavaInspectionTestCase {
@@ -26,13 +24,7 @@ public class SwitchStatementsWithoutDefaultInspectionTest extends LightJavaInspe
   public void testSwitchStatementsWithoutDefault() {
     doTest();
   }
-
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
+  
   @Nullable
   @Override
   protected InspectionProfileEntry getInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/UnnecessaryBreakInspectionTest.java

@@ -16,9 +16,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -30,12 +28,6 @@ public class UnnecessaryBreakInspectionTest extends LightJavaInspectionTestCase
     doTest();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   @Nullable
   @Override
   protected InspectionProfileEntry getInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/UnnecessaryContinueInspectionTest.java

@@ -1,10 +1,8 @@
 // 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.ig.controlflow;
 
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 
 public class UnnecessaryContinueInspectionTest extends LightJavaCodeInsightFixtureTestCase {
   @Override
@@ -12,12 +10,6 @@ public class UnnecessaryContinueInspectionTest extends LightJavaCodeInsightFixtu
     return LightJavaInspectionTestCase.INSPECTION_GADGETS_TEST_DATA_PATH + "com/siyeh/igtest/controlflow/unnecessary_continue";
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   private void doTest() {
     UnnecessaryContinueInspection inspection = new UnnecessaryContinueInspection();
     inspection.ignoreInThenBranch = true;

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/UnnecessaryDefaultInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.controlflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -99,9 +97,4 @@ public class UnnecessaryDefaultInspectionTest extends LightJavaInspectionTestCas
     return inspection;
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/UnnecessaryReturnInspectionTest.java

@@ -1,10 +1,8 @@
 // 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.ig.controlflow;
 
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.intellij.testFramework.fixtures.LightJavaCodeInsightFixtureTestCase;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 
 public class UnnecessaryReturnInspectionTest extends LightJavaCodeInsightFixtureTestCase {
   @Override
@@ -12,12 +10,6 @@ public class UnnecessaryReturnInspectionTest extends LightJavaCodeInsightFixture
     return LightJavaInspectionTestCase.INSPECTION_GADGETS_TEST_DATA_PATH + "com/siyeh/igtest/controlflow/unnecessary_return";
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   private void doTest() {
     UnnecessaryReturnInspection inspection = new UnnecessaryReturnInspection();
     inspection.ignoreInThenBranch = true;

plugins/InspectionGadgets/testsrc/com/siyeh/ig/dataflow/UnnecessaryLocalVariableInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.dataflow;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 
 public class UnnecessaryLocalVariableInspectionTest extends LightJavaInspectionTestCase {
   @Override
@@ -17,10 +15,4 @@ public class UnnecessaryLocalVariableInspectionTest extends LightJavaInspectionT
   public void testTree() { doTest(); }
 
   public void testSwitchExpression() { doTest(); }
-
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/controlflow/ConditionalExpressionFixTest.java

@@ -60,6 +60,6 @@ public class ConditionalExpressionFixTest extends IGQuickFixesTestCase {
 
   @Override
   protected void tuneFixture(JavaModuleFixtureBuilder builder) {
-    builder.setLanguageLevel(LanguageLevel.JDK_13_PREVIEW);
+    builder.setLanguageLevel(LanguageLevel.JDK_14);
   }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/controlflow/MakeDefaultCaseLastFixTest.java

@@ -18,7 +18,7 @@ public class MakeDefaultCaseLastFixTest extends IGQuickFixesTestCase {
   @Override
   protected void tuneFixture(JavaModuleFixtureBuilder builder) throws Exception {
     super.tuneFixture(builder);
-    builder.setLanguageLevel(LanguageLevel.JDK_13_PREVIEW);
+    builder.setLanguageLevel(LanguageLevel.JDK_14);
   }
 
   public void testLabeledSwitchRule() { doTest(); }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/initialization/InstanceVariableUninitializedUseInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.initialization;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 
 public class InstanceVariableUninitializedUseInspectionTest extends LightJavaInspectionTestCase {
   @Override
@@ -12,11 +10,5 @@ public class InstanceVariableUninitializedUseInspectionTest extends LightJavaIns
     return new InstanceVariableUninitializedUseInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
-
   public void testInstanceVariableUninitializedUse() { doTest(); }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/jdk/AutoBoxingInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.jdk;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class AutoBoxingInspectionTest extends LightJavaInspectionTestCase {
@@ -19,9 +17,4 @@ public class AutoBoxingInspectionTest extends LightJavaInspectionTestCase {
     return new AutoBoxingInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/jdk/AutoUnboxingInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.jdk;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class AutoUnboxingInspectionTest extends LightJavaInspectionTestCase {
@@ -19,9 +17,4 @@ public class AutoUnboxingInspectionTest extends LightJavaInspectionTestCase {
     return new AutoUnboxingInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/InspectionGadgets/testsrc/com/siyeh/ig/migration/UnnecessaryBoxingInspectionTest.java

@@ -4,17 +4,10 @@
 package com.siyeh.ig.migration;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class UnnecessaryBoxingInspectionTest extends LightJavaInspectionTestCase {
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 
   public void testUnnecessaryBoxing() {
     doTest();

plugins/InspectionGadgets/testsrc/com/siyeh/ig/style/UnnecessaryParenthesesInspectionTest.java

@@ -18,7 +18,7 @@ public class UnnecessaryParenthesesInspectionTest extends LightJavaCodeInsightFi
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 
   public void testUnnecessaryParenthesesInspection() {

plugins/InspectionGadgets/testsrc/com/siyeh/ig/style/UnqualifiedStaticUsageInspectionTest.java

@@ -2,9 +2,7 @@
 package com.siyeh.ig.style;
 
 import com.intellij.codeInspection.InspectionProfileEntry;
-import com.intellij.testFramework.LightProjectDescriptor;
 import com.siyeh.ig.LightJavaInspectionTestCase;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -22,9 +20,4 @@ public class UnqualifiedStaticUsageInspectionTest extends LightJavaInspectionTes
     return new UnqualifiedStaticUsageInspection();
   }
 
-  @NotNull
-  @Override
-  protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
-  }
 }

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/collections/ReplaceWithMutableCollectionIntentionTest.java

@@ -80,6 +80,6 @@ public class ReplaceWithMutableCollectionIntentionTest extends IPPTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 }

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/concatenation/MakeCallChainIntoCallSequenceTest.java

@@ -39,6 +39,6 @@ public class MakeCallChainIntoCallSequenceTest extends IPPTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 }

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/extractIncrement/ExtractIncrementAndDecrementTest.java

@@ -54,6 +54,6 @@ public class ExtractIncrementAndDecrementTest extends IPPTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_13;
+    return JAVA_14;
   }
 }

plugins/gradle/java/testSources/importing/GradleMiscImportingTest.java

@@ -103,18 +103,18 @@ public class GradleMiscImportingTest extends GradleJavaImportingTestCase {
   public void testPreviewLanguageLevel() throws Exception {
     importProject(
       "apply plugin: 'java'\n" +
-      "sourceCompatibility = 13\n" +
+      "sourceCompatibility = 14\n" +
       "apply plugin: 'java'\n" +
       "compileTestJava {\n" +
-      "  sourceCompatibility = 13\n" +
+      "  sourceCompatibility = 14\n" +
       "  options.compilerArgs << '--enable-preview'" +
       "}\n"
     );
 
     assertModules("project", "project.main", "project.test");
-    assertEquals(LanguageLevel.JDK_13, getLanguageLevelForModule("project"));
-    assertEquals(LanguageLevel.JDK_13, getLanguageLevelForModule("project.main"));
-    assertEquals(LanguageLevel.JDK_13_PREVIEW, getLanguageLevelForModule("project.test"));
+    assertEquals(LanguageLevel.JDK_14, getLanguageLevelForModule("project"));
+    assertEquals(LanguageLevel.JDK_14, getLanguageLevelForModule("project.main"));
+    assertEquals(LanguageLevel.JDK_14_PREVIEW, getLanguageLevelForModule("project.test"));
   }
 
   @Test

plugins/maven/src/test/java/org/jetbrains/idea/maven/actions/MavenProjectModelModifierTest.java

@@ -186,7 +186,7 @@ public class MavenProjectModelModifierTest extends MavenDomWithIndicesTestCase {
     waitUntilImported(result);
     assertEquals(LanguageLevel.JDK_1_8, EffectiveLanguageLevelUtil.getEffectiveLanguageLevel(module));
 
-    getExtension().changeLanguageLevel(module, LanguageLevel.JDK_13_PREVIEW);
+    getExtension().changeLanguageLevel(module, LanguageLevel.JDK_14_PREVIEW);
     assertEquals("--enable-preview",
                  findTag("project.build.plugins.plugin")
                    .findFirstSubTag("configuration")

plugins/maven/src/test/java/org/jetbrains/idea/maven/importing/StructureImportingTest.java

@@ -871,7 +871,7 @@ public class StructureImportingTest extends MavenImportingTestCase {
                   "      <artifactId>maven-compiler-plugin</artifactId>\n" +
                   "      <version>3.8.0</version>\n" +
                   "      <configuration>\n" +
-                  "          <release>13</release>\n" +
+                  "          <release>14</release>\n" +
                              compilerArgs +
                   "          <forceJavacCompilerUse>true</forceJavacCompilerUse>\n" +
                   "      </configuration>\n" +
@@ -880,7 +880,7 @@ public class StructureImportingTest extends MavenImportingTestCase {
                   "</build>");
 
     assertModules("project");
-    assertEquals(LanguageLevel.JDK_13_PREVIEW, getLanguageLevelForModule());
+    assertEquals(LanguageLevel.JDK_14_PREVIEW, getLanguageLevelForModule());
   }
 
   public void testInheritingLanguageLevelFromPluginManagementSection() {

uast/uast-tests/test/org/jetbrains/uast/test/java/JavaUJumpExpressionTest.kt

@@ -151,7 +151,7 @@ class JavaUJumpExpressionTest : JavaUJumpExpressionBase() {
 
 class Java13UJumpExpressionTest : JavaUJumpExpressionBase() {
   override fun getProjectDescriptor(): LightProjectDescriptor {
-    return JAVA_13
+    return JAVA_14
   }
 
   fun `test break in switch`() = doTest<UYieldExpression, JavaUSwitchExpression>("""

uast/uast-tests/test/org/jetbrains/uast/test/java/JavaValuesTest.kt

@@ -2,7 +2,6 @@
 package org.jetbrains.uast.test.java
 
 import com.intellij.psi.PsiMethod
-import com.intellij.testFramework.LightProjectDescriptor
 import org.jetbrains.uast.UParameter
 import org.jetbrains.uast.UVariable
 import org.jetbrains.uast.evaluation.SimpleEvaluatorExtension
@@ -11,8 +10,6 @@ import org.jetbrains.uast.values.UValue
 import org.junit.Test
 
 class JavaValuesTest : AbstractJavaValuesTest() {
-  override fun getProjectDescriptor(): LightProjectDescriptor = JAVA_13
-
   @Test
   fun testAliveThenElse() = doTest("Simple/AliveThenElse.java")
 

uast/uast-tests/test/org/jetbrains/uast/test/java/SimpleJavaRenderLogTest.kt

@@ -1,12 +1,9 @@
 // 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 org.jetbrains.uast.test.java
 
-import com.intellij.testFramework.LightProjectDescriptor
 import org.junit.Test
 
 class SimpleJavaRenderLogTest : AbstractJavaRenderLogTest() {
-  override fun getProjectDescriptor(): LightProjectDescriptor = JAVA_13
-
   @Test
   fun testDataClass() = doTest("DataClass/DataClass.java")