fix formatting (IDEA-73969)

plugins/IntentionPowerPak/src/com/siyeh/ipp/types/ReplaceDiamondWithExplicitTypeArgumentsIntention.java

@@ -16,6 +16,7 @@
 package com.siyeh.ipp.types;
 
 import com.intellij.psi.*;
+import com.intellij.psi.codeStyle.CodeStyleManager;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.util.IncorrectOperationException;
 import com.siyeh.ipp.base.Intention;
@@ -63,6 +64,6 @@ public class ReplaceDiamondWithExplicitTypeArgumentsIntention extends Intention
                 JavaPsiFacade.getElementFactory(element.getProject());
         final PsiJavaCodeReferenceElement newReference =
                 elementFactory.createReferenceFromText(text.toString(), element);
-        javaCodeReferenceElement.replace(newReference);
+        CodeStyleManager.getInstance(javaCodeReferenceElement.getProject()).reformat(javaCodeReferenceElement.replace(newReference));
     }
 }

plugins/IntentionPowerPak/test/com/siyeh/ipp/types/diamond2explicit/ApplicableDiamondCheckFormatting.java

@@ -0,0 +1,4 @@
+import java.util.HashMap;
+class Test {
+  HashMap<Integer, String> map = new HashMap<<caret>>();
+}

plugins/IntentionPowerPak/test/com/siyeh/ipp/types/diamond2explicit/ApplicableDiamondCheckFormatting_after.java

@@ -0,0 +1,4 @@
+import java.util.HashMap;
+class Test {
+  HashMap<Integer, String> map = new HashMap<Integer, String>();
+}

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/types/ReplaceDiamondWithExplicitTypeIntentionTest.java

@@ -27,6 +27,10 @@ public class ReplaceDiamondWithExplicitTypeIntentionTest extends IPPTestCase {
       doTest();
   }
 
+  public void testApplicableDiamondCheckFormatting() {
+     doTest();
+  }
+
   public void testExplicitTypeArgs() {
     doTest();
   }