Be aware of "Keep line breaks" option in class object access expression (part of IDEA-129687)

java/java-impl/src/com/intellij/psi/formatter/java/JavaSpacePropertyProcessor.java

@@ -1186,6 +1186,15 @@ public class JavaSpacePropertyProcessor extends JavaElementVisitor {
     }
   }
 
+  @Override
+  public void visitClassObjectAccessExpression(PsiClassObjectAccessExpression expression) {
+    if (myRole1 == ChildRole.TYPE && myRole2 == ChildRole.DOT
+        || myRole1 == ChildRole.DOT && myRole2 == ChildRole.CLASS_KEYWORD)
+    {
+      createSpaceInCode(false);
+    }
+  }
+
   @Override
   public void visitExpressionList(PsiExpressionList list) {
     if (myRole1 == ChildRole.LPARENTH && myRole2 == ChildRole.RPARENTH) {

java/java-tests/testSrc/com/intellij/psi/formatter/java/JavaFormatterSpaceTest.java

@@ -558,4 +558,25 @@ public class JavaFormatterSpaceTest extends AbstractJavaFormatterTest {
       "}"
     );
   }
+
+  public void testClassObjectAccessExpression_BeforeDot() {
+    String before = "Test       \n         .class";
+
+    getSettings().KEEP_LINE_BREAKS = true;
+    doMethodTest(before, "Test\n        .class");
+
+    getSettings().KEEP_LINE_BREAKS = false;
+    doMethodTest(before, "Test.class");
+  }
+
+  public void testClassObjectAccessExpression_AfterDot() {
+    String before = "Test.      \n     class";
+
+    getSettings().KEEP_LINE_BREAKS = true;
+    doMethodTest(before, "Test.\n        class");
+
+    getSettings().KEEP_LINE_BREAKS = false;
+    doMethodTest(before, "Test.class");
+  }
+
 }