FindUsagesTest: Add usages of extensions for functions declared in objects

idea/testData/findUsages/kotlin/findFunctionUsages/kotlinOverloadAndExtensionUsages2.0.kt

@@ -0,0 +1,23 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetNamedFunction
+// OPTIONS: overloadUsages
+trait X {
+
+}
+
+class A: X {
+
+}
+
+object O: A() {
+    fun <caret>foo() {
+
+    }
+}
+
+fun A.foo(s: String) {
+
+}
+
+fun X.foo(n: Int) {
+
+}

idea/testData/findUsages/kotlin/findFunctionUsages/kotlinOverloadAndExtensionUsages2.1.kt

@@ -0,0 +1,13 @@
+class B {
+    fun bar1(a: A) {
+        a.foo("")
+    }
+
+    fun bar2(x: X) {
+        x.foo(0)
+    }
+
+    fun bar3() {
+        O.foo()
+    }
+}

idea/testData/findUsages/kotlin/findFunctionUsages/kotlinOverloadAndExtensionUsages2.results.txt

@@ -0,0 +1,3 @@
+Function call (11: 11) O.foo()
+Function call (3: 11) a.foo("")
+Function call (7: 11) x.foo(0)

idea/tests/org/jetbrains/jet/findUsages/JetFindUsagesTestGenerated.java

@@ -233,6 +233,11 @@ public class JetFindUsagesTestGenerated extends AbstractJetFindUsagesTest {
                 doTest("idea/testData/findUsages/kotlin/findFunctionUsages/kotlinOverloadAndExtensionUsages.0.kt");
             }
             
+            @TestMetadata("kotlinOverloadAndExtensionUsages2.0.kt")
+            public void testKotlinOverloadAndExtensionUsages2() throws Exception {
+                doTest("idea/testData/findUsages/kotlin/findFunctionUsages/kotlinOverloadAndExtensionUsages2.0.kt");
+            }
+            
             @TestMetadata("kotlinPrivateMethodUsages.0.kt")
             public void testKotlinPrivateMethodUsages() throws Exception {
                 doTest("idea/testData/findUsages/kotlin/findFunctionUsages/kotlinPrivateMethodUsages.0.kt");