Filtered out incorrect suggestion of extension methods in smart completion

idea/src/org/jetbrains/jet/plugin/completion/smart/StaticMembers.kt

@@ -92,7 +92,9 @@ class StaticMembers(val bindingContext: BindingContext, val resolveSession: Reso
 
         val classObject = classDescriptor.getClassObjectDescriptor()
         if (classObject != null) {
-            classObject.getDefaultType().getMemberScope().getAllDescriptors().forEach(::processMember)
+            classObject.getDefaultType().getMemberScope().getAllDescriptors()
+                    .filter { it !is CallableDescriptor || it.getReceiverParameter() == null }
+                    .forEach(::processMember)
         }
 
         var members = classDescriptor.getDefaultType().getMemberScope().getAllDescriptors()

idea/testData/completion/smart/NoExtensionMethodFromClassObject.kt

@@ -0,0 +1,13 @@
+class X {
+    class object {
+        fun String.f(): X = X()
+        fun g(): X = X()
+    }
+}
+
+fun foo(): X {
+    return <caret>
+}
+
+// ABSENT: X.f
+// EXIST: X.g

idea/tests/org/jetbrains/jet/completion/JSBasicCompletionTestGenerated.java

@@ -17,10 +17,13 @@
 package org.jetbrains.jet.completion;
 
 import com.intellij.testFramework.TestDataPath;
+import junit.framework.Test;
+import junit.framework.TestSuite;
+import org.junit.runner.RunWith;
 import org.jetbrains.jet.JetTestUtils;
 import org.jetbrains.jet.test.InnerTestClasses;
 import org.jetbrains.jet.test.TestMetadata;
-import org.junit.runner.RunWith;
+import org.jetbrains.jet.JUnit3RunnerWithInners;
 
 import java.io.File;
 import java.util.regex.Pattern;

idea/tests/org/jetbrains/jet/completion/JvmBasicCompletionTestGenerated.java

@@ -17,10 +17,13 @@
 package org.jetbrains.jet.completion;
 
 import com.intellij.testFramework.TestDataPath;
+import junit.framework.Test;
+import junit.framework.TestSuite;
+import org.junit.runner.RunWith;
 import org.jetbrains.jet.JetTestUtils;
 import org.jetbrains.jet.test.InnerTestClasses;
 import org.jetbrains.jet.test.TestMetadata;
-import org.junit.runner.RunWith;
+import org.jetbrains.jet.JUnit3RunnerWithInners;
 
 import java.io.File;
 import java.util.regex.Pattern;

idea/tests/org/jetbrains/jet/completion/JvmSmartCompletionTestGenerated.java

@@ -17,13 +17,9 @@
 package org.jetbrains.jet.completion;
 
 import com.intellij.testFramework.TestDataPath;
-import junit.framework.Test;
-import junit.framework.TestSuite;
-import org.junit.runner.RunWith;
 import org.jetbrains.jet.JetTestUtils;
-import org.jetbrains.jet.test.InnerTestClasses;
 import org.jetbrains.jet.test.TestMetadata;
-import org.jetbrains.jet.JUnit3RunnerWithInners;
+import org.junit.runner.RunWith;
 
 import java.io.File;
 import java.util.regex.Pattern;
@@ -446,6 +442,12 @@ public class JvmSmartCompletionTestGenerated extends AbstractJvmSmartCompletionT
         doTest(fileName);
     }
     
+    @TestMetadata("NoExtensionMethodFromClassObject.kt")
+    public void testNoExtensionMethodFromClassObject() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/smart/NoExtensionMethodFromClassObject.kt");
+        doTest(fileName);
+    }
+    
     @TestMetadata("NoFunctionReferenceAfterQualifier.kt")
     public void testNoFunctionReferenceAfterQualifier() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/smart/NoFunctionReferenceAfterQualifier.kt");