java: yield/break completion + migrate tests to java 13

GitOrigin-RevId: 229f13e7dd85154e63754f82f4b44bbcbca67a40

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

@@ -775,8 +775,9 @@ public class JavaKeywordCompletion {
       addKeyword(br);
     }
     else if (psiElement().inside(PsiSwitchExpression.class).accepts(myPosition)) {
-      addKeyword(TailTypeDecorator.withTail(br, TailType.INSERT_SPACE));
-      addKeyword(TailTypeDecorator.withTail(createKeyword(PsiKeyword.YIELD), TailType.INSERT_SPACE));
+      addKeyword(TailTypeDecorator.withTail(PsiUtil.getLanguageLevel(myPosition) == LanguageLevel.JDK_12_PREVIEW 
+                                            ? createKeyword(PsiKeyword.BREAK) 
+                                            : createKeyword(PsiKeyword.YIELD), TailType.INSERT_SPACE));
     }
 
     for (PsiLabeledStatement labeled : psiApi().parents(myPosition).takeWhile(notInstanceOf(PsiMember.class)).filter(PsiLabeledStatement.class)) {

java/java-tests/testData/codeInsight/completion/normal/BreakInSwitchExpression.java

@@ -2,7 +2,7 @@ public class ConstConfig {
     int test(int x) {
         return switch (x) {
             case 1:
-                if (Math.random() > 0.5) br<caret>
+                if (Math.random() > 0.5) yi<caret>
         };
     }
 }

java/java-tests/testData/codeInsight/completion/normal/BreakInSwitchExpression_after.java

@@ -2,7 +2,7 @@ public class ConstConfig {
     int test(int x) {
         return switch (x) {
             case 1:
-                if (Math.random() > 0.5) break <caret>
+                if (Math.random() > 0.5) yield <caret>
         };
     }
 }

java/java-tests/testData/codeInsight/completion/normal/InsideBreakInSwitchExpression.java

@@ -3,9 +3,9 @@ public class ConstConfig {
         Boolean b;
         if ((b = switch (0) {
             case 1: {
-                break aaaa<caret>;
+                yield aaaa<caret>;
             }
-            default: break false;
+            default: yield false;
         }));
     }
 }

java/java-tests/testData/codeInsight/completion/normal/InsideBreakInSwitchExpression_after.java

@@ -3,9 +3,9 @@ public class ConstConfig {
         Boolean b;
         if ((b = switch (0) {
             case 1: {
-                break aaaaaaaa<caret>;
+                yield aaaaaaaa<caret>;
             }
-            default: break false;
+            default: yield false;
         }));
     }
 }

java/java-tests/testSrc/com/intellij/java/codeInsight/completion/Normal12CompletionTest.groovy

@@ -12,7 +12,7 @@ class Normal12CompletionTest extends NormalCompletionTestCase {
   @NotNull
   @Override
   protected LightProjectDescriptor getProjectDescriptor() {
-    return JAVA_12
+    return JAVA_13
   }
 
   void testDefaultInRuleSwitch() throws Throwable { doTest() }