CreateSwitchIntention shouldn't throw on malformed strings

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

@@ -41,8 +41,11 @@ public class CreateSwitchIntention extends BaseElementAtCaretIntentionAction imp
     PsiSwitchStatement switchStatement = (PsiSwitchStatement)new CommentTracker().replaceAndRestoreComments(expressionStatement, "switch (" + valueToSwitch + ") {}");
     CodeStyleManager.getInstance(project).reformat(switchStatement);
 
-    PsiJavaToken lBrace = switchStatement.getBody().getLBrace();
-    editor.getCaretModel().moveToOffset(lBrace.getTextOffset() + lBrace.getTextLength());
+    PsiCodeBlock body = switchStatement.getBody();
+    PsiJavaToken lBrace = body == null ? null : body.getLBrace();
+    if (lBrace != null) {
+      editor.getCaretModel().moveToOffset(lBrace.getTextRange().getEndOffset());
+    }
   }
 
   @Override

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

@@ -0,0 +1,5 @@
+class Test {
+  void m() {
+    <caret>"\"
+  }
+}

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

@@ -0,0 +1,5 @@
+class Test {
+  void m() {
+      <caret>switch ("\") {}
+  }
+}

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

@@ -63,6 +63,8 @@ public class CreateSwitchTest extends JavaCodeInsightFixtureTestCase {
     withJava7(this::doTestNotAvailable);
   }
 
+  public void testNotFailingOnBadEscapes() { withJava7(this::doTest); }
+
   private void withJava7(Runnable runnable) {
     final LanguageLevelProjectExtension languageLevelProjectExtension = LanguageLevelProjectExtension.getInstance(getProject());
     final LanguageLevel oldLanguageLevel = languageLevelProjectExtension.getLanguageLevel();