[java-intentions] CreateSwitchIntention: turn off on literals (looks useless)

GitOrigin-RevId: 5bf0483766ace26f4d3a485681b28d5f48d5fcd5

java/java-impl/src/com/intellij/codeInsight/intention/impl/CreateSwitchIntention.java

@@ -54,6 +54,7 @@ public class CreateSwitchIntention extends BaseElementAtCaretIntentionAction imp
     return expressionStatement != null &&
            expressionStatement.getParent() instanceof PsiCodeBlock &&
            !(expressionStatement.getExpression() instanceof PsiAssignmentExpression) &&
+           !(expressionStatement.getExpression() instanceof PsiLiteralExpression) &&
            PsiTreeUtil.findChildOfType(expressionStatement.getExpression(), PsiErrorElement.class) == null &&
            isValidTypeForSwitch(expressionStatement.getExpression().getType(), expressionStatement);
   }

java/java-tests/testData/codeInsight/createSwitch/notAvailableOnLiteral.java

@@ -1,5 +1,5 @@
 class Test {
   void m() {
-      <caret>switch ("\") {}
+    2<caret>2;
   }
 }

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

@@ -67,7 +67,9 @@ public class CreateSwitchTest extends JavaCodeInsightFixtureTestCase {
     withJava7(this::doTestNotAvailable);
   }
 
-  public void testNotFailingOnBadEscapes() { withJava7(this::doTest); }
+  public void testNotFailingOnBadEscapes() { withJava7(this::doTestNotAvailable); }
+
+  public void testNotAvailableOnLiteral() { doTestNotAvailable(); }
 
   private void withJava7(Runnable runnable) {
     final LanguageLevelProjectExtension languageLevelProjectExtension = LanguageLevelProjectExtension.getInstance(getProject());