Fixed IDEA-192024

Java formatter breaks do ... while onto a new line if it exceeds the hard limit

java/java-impl/src/com/intellij/psi/formatter/java/wrap/impl/JavaChildWrapArranger.java

@@ -224,7 +224,8 @@ public class JavaChildWrapArranger {
     }
 
     else if (nodeType == JavaElementType.DO_WHILE_STATEMENT) {
-      if (role == ChildRole.LOOP_BODY || role == ChildRole.WHILE_KEYWORD) {
+      if (role == ChildRole.LOOP_BODY ||
+          role == ChildRole.WHILE_KEYWORD && isAfterNonBlockStatement(child)) {
         return Wrap.createWrap(WrapType.NORMAL, true);
       }
     }
@@ -241,6 +242,13 @@ public class JavaChildWrapArranger {
     return suggestedWrap;
   }
 
+
+  private static boolean isAfterNonBlockStatement(@NotNull ASTNode node) {
+    ASTNode prev = node.getTreePrev();
+    if (prev instanceof PsiWhiteSpace) prev = prev.getTreePrev();
+    return prev != null && prev.getElementType() != JavaElementType.BLOCK_STATEMENT;
+  }
+
   private static boolean isTypeAnnotationOrFalseIfDumb(@NotNull ASTNode child) {
     PsiElement node = child.getPsi();
     PsiElement next = PsiTreeUtil.skipSiblingsForward(node, PsiWhiteSpace.class, PsiAnnotation.class);

java/java-tests/testSrc/com/intellij/java/psi/formatter/java/JavaFormatterTest.kt

@@ -3670,4 +3670,35 @@ public class Test {
        "}"
     )
   }
+
+
+  fun testIdea192024() {
+    codeStyleBean.apply{
+      rightMargin = 30
+    }
+    doTextTest(
+        """
+          public class Main {
+          public static void main(String[] args) {
+        int longCountVar = 0;
+              do {
+        System.out.println("Test");
+                  longCountVar ++;
+              } while(longCountVar <= 1000);
+          }
+      }""".trimIndent(),
+
+      """
+      public class Main {
+          public static void main(String[] args) {
+              int longCountVar = 0;
+              do {
+                  System.out.println("Test");
+                  longCountVar++;
+              } while (longCountVar <= 1000);
+          }
+      }""".trimIndent()
+    )
+  }
+
 }