Fix comment to KT-3370 about no formatting of spaces around colon in objects

#KT-3370 Fixed

idea/src/org/jetbrains/jet/plugin/formatter/kotlinSpacingRules.kt

@@ -115,6 +115,8 @@ fun createSpacingBuilder(settings: CodeStyleSettings): KotlinSpacingBuilder {
             afterInside(COLON, TYPE_CONSTRAINT).spaceIf(jetSettings.SPACE_AFTER_EXTEND_COLON)
             beforeInside(COLON, CLASS).spaceIf(jetSettings.SPACE_BEFORE_EXTEND_COLON)
             afterInside(COLON, CLASS).spaceIf(jetSettings.SPACE_AFTER_EXTEND_COLON)
+            beforeInside(COLON, OBJECT_DECLARATION).spaceIf(jetSettings.SPACE_BEFORE_EXTEND_COLON)
+            afterInside(COLON, OBJECT_DECLARATION).spaceIf(jetSettings.SPACE_AFTER_EXTEND_COLON)
             beforeInside(COLON, TYPE_PARAMETER).spaceIf(jetSettings.SPACE_BEFORE_EXTEND_COLON)
             afterInside(COLON, TYPE_PARAMETER).spaceIf(jetSettings.SPACE_AFTER_EXTEND_COLON)
 

idea/testData/formatter/SpaceAroundExtendColonInObjects.after.inv.kt

@@ -0,0 +1,36 @@
+trait A
+
+object Some1: A {
+
+}
+
+object Some2: A
+
+object Some3
+
+:
+
+
+A
+
+val a = object: A {
+}
+
+val b = object: A {
+}
+
+class B {
+    class object: A {
+
+    }
+}
+
+class C {
+    class object:
+    A {
+
+    }
+}
+
+// SET_TRUE: SPACE_BEFORE_EXTEND_COLON
+// SET_FALSE: SPACE_AFTER_EXTEND_COLON

idea/testData/formatter/SpaceAroundExtendColonInObjects.after.kt

@@ -0,0 +1,36 @@
+trait A
+
+object Some1 :A {
+
+}
+
+object Some2 :A
+
+object Some3
+
+:
+
+
+A
+
+val a = object :A {
+}
+
+val b = object :A {
+}
+
+class B {
+    class object :A {
+
+    }
+}
+
+class C {
+    class object :
+    A {
+
+    }
+}
+
+// SET_TRUE: SPACE_BEFORE_EXTEND_COLON
+// SET_FALSE: SPACE_AFTER_EXTEND_COLON

idea/testData/formatter/SpaceAroundExtendColonInObjects.kt

@@ -0,0 +1,34 @@
+trait A
+
+object Some1     :    A {
+
+}
+
+object Some2:A
+
+object Some3
+
+:
+
+
+A
+
+val a = object:A {}
+
+val b = object   :      A {}
+
+class B {
+    class object:A {
+
+    }
+}
+
+class C {
+    class object   :
+    A {
+
+    }
+}
+
+// SET_TRUE: SPACE_BEFORE_EXTEND_COLON
+// SET_FALSE: SPACE_AFTER_EXTEND_COLON

idea/tests/org/jetbrains/jet/formatter/JetFormatterTestGenerated.java

@@ -254,6 +254,11 @@ public class JetFormatterTestGenerated extends AbstractJetFormatterTest {
             doTest("idea/testData/formatter/SpaceAroundExtendColon.after.kt");
         }
         
+        @TestMetadata("SpaceAroundExtendColonInObjects.after.kt")
+        public void testSpaceAroundExtendColonInObjects() throws Exception {
+            doTest("idea/testData/formatter/SpaceAroundExtendColonInObjects.after.kt");
+        }
+        
         @TestMetadata("SpaceBeforeFunctionLiteral.after.kt")
         public void testSpaceBeforeFunctionLiteral() throws Exception {
             doTest("idea/testData/formatter/SpaceBeforeFunctionLiteral.after.kt");
@@ -327,9 +332,7 @@ public class JetFormatterTestGenerated extends AbstractJetFormatterTest {
         @TestMetadata("idea/testData/formatter/modifierList")
         public static class ModifierList extends AbstractJetFormatterTest {
             public void testAllFilesPresentInModifierList() throws Exception {
-                JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.TestsPackage",
+                JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.TestsPackage", new File("idea/testData/formatter/modifierList"), Pattern.compile("^([^\\.]+)\\.after\\.kt.*$"), true);
-                                                             new File("idea/testData/formatter/modifierList"),
-                                                             Pattern.compile("^([^\\.]+)\\.after\\.kt.*$"), true);
             }
             
             @TestMetadata("funAnnotationBeforeAnnotation.after.kt")
@@ -514,6 +517,11 @@ public class JetFormatterTestGenerated extends AbstractJetFormatterTest {
             doTestInverted("idea/testData/formatter/SpaceAroundExtendColon.after.inv.kt");
         }
         
+        @TestMetadata("SpaceAroundExtendColonInObjects.after.inv.kt")
+        public void testSpaceAroundExtendColonInObjects() throws Exception {
+            doTestInverted("idea/testData/formatter/SpaceAroundExtendColonInObjects.after.inv.kt");
+        }
+        
         @TestMetadata("SpacesAroundOperations.after.inv.kt")
         public void testSpacesAroundOperations() throws Exception {
             doTestInverted("idea/testData/formatter/SpacesAroundOperations.after.inv.kt");