Fixed KT-5795 Do not suggest member extension functions with wrong implicit reciever

#KT-5795 Fixed

idea/src/org/jetbrains/jet/plugin/codeInsight/TipsManager.java

@@ -101,7 +101,12 @@ public final class TipsManager {
 
                 for (ReceiverParameterDescriptor receiverDescriptor : result) {
                     JetType receiverType = receiverDescriptor.getType();
-                    descriptorsSet.addAll(receiverType.getMemberScope().getAllDescriptors());
+                    for (DeclarationDescriptor member : receiverType.getMemberScope().getAllDescriptors()) {
+                        // skip member extension functions&properties
+                        if (member instanceof CallableDescriptor && ((CallableDescriptor) member).getReceiverParameter() != null) continue;
+
+                        descriptorsSet.add(member);
+                    }
                 }
 
                 descriptorsSet.addAll(resolutionScope.getAllDescriptors());

idea/testData/completion/basic/common/extensions/WrongImplicitReceiver.kt

@@ -0,0 +1,11 @@
+class X {
+    fun String.f() {}
+}
+
+fun foo() {
+    with (X()) {
+        <caret>
+    }
+}
+
+// ABSENT: f

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

@@ -17,13 +17,10 @@
 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;
@@ -614,6 +611,12 @@ public class JSBasicCompletionTestGenerated extends AbstractJSBasicCompletionTes
                 doTest(fileName);
             }
             
+            @TestMetadata("WrongImplicitReceiver.kt")
+            public void testWrongImplicitReceiver() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/basic/common/extensions/WrongImplicitReceiver.kt");
+                doTest(fileName);
+            }
+            
         }
         
         @TestMetadata("idea/testData/completion/basic/common/namedParameters")

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

@@ -17,13 +17,10 @@
 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;
@@ -614,6 +611,12 @@ public class JvmBasicCompletionTestGenerated extends AbstractJvmBasicCompletionT
                 doTest(fileName);
             }
             
+            @TestMetadata("WrongImplicitReceiver.kt")
+            public void testWrongImplicitReceiver() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/basic/common/extensions/WrongImplicitReceiver.kt");
+                doTest(fileName);
+            }
+            
         }
         
         @TestMetadata("idea/testData/completion/basic/common/namedParameters")