invert if: don't insert continue outside while loop (IDEA-175283)

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

@@ -218,7 +218,7 @@ public class InvertIfConditionAction extends PsiElementBaseIntentionAction {
     while (element != null && !(element instanceof PsiStatement)) element = element.getParent();
 
     if (element != null && element.getParent() instanceof PsiForStatement && ((PsiForStatement)element.getParent()).getUpdate() == element ||
-        element instanceof PsiWhileStatement && flow.getStartOffset(element) == endOffset ||
+        element instanceof PsiWhileStatement && flow.getStartOffset(element) == endOffset && PsiTreeUtil.isAncestor(element, ifStatement, true) ||
         element instanceof PsiForeachStatement && flow.getStartOffset(element) + 1 == endOffset) {
       PsiStatement statement = factory.createStatementFromText("continue;", ifStatement);
       statement = (PsiStatement)codeStyle.reformat(statement);

java/java-tests/testData/codeInsight/invertIfCondition/afterWhileAfter.java

@@ -0,0 +1,12 @@
+// "Invert 'if' condition" "true"
+class A {
+    public void foo() {
+        if (!c) {
+        }
+        else {
+            a();
+        }
+        while (true) {
+        }
+    }
+}

java/java-tests/testData/codeInsight/invertIfCondition/beforeWhileAfter.java

@@ -0,0 +1,8 @@
+// "Invert 'if' condition" "true"
+class A {
+    public void foo() {
+        <caret>if (c) a();
+        while (true) {
+        }
+    }
+}