Supported default objects in class usages.

idea/testData/findUsages/kotlin/defaultObject/javaUsage.0.kt

@@ -0,0 +1,16 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.JetObjectDeclaration
+// OPTIONS: usages
+
+import kotlin.platform.platformStatic
+
+class Foo {
+    default <caret>object {
+        fun f() {
+        }
+
+        platformStatic fun s() {
+        }
+
+        val CONST = 42
+    }
+}

idea/testData/findUsages/kotlin/defaultObject/javaUsage.1.java

@@ -0,0 +1,8 @@
+class JavaUsage {
+    public static void main(String[] args) {
+        System.out.println(Foo.CONST);
+        Foo.s();
+        Foo.Default.f();
+        Foo foo = new Foo(); // not usage of default object
+    }
+}

idea/testData/findUsages/kotlin/defaultObject/javaUsage.results.txt

@@ -0,0 +1,3 @@
+Class static member access (3: 28) System.out.println(Foo.CONST);
+Class static member access (4: 9) Foo.s();
+Unclassified usage (5: 13) Foo.Default.f();

idea/testData/findUsages/kotlin/defaultObject/named.0.kt

@@ -0,0 +1,8 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.JetObjectDeclaration
+// OPTIONS: usages
+class Foo {
+    default object <caret>Bar {
+        fun f() {
+        }
+    }
+}

idea/testData/findUsages/kotlin/defaultObject/named.1.kt

@@ -0,0 +1,10 @@
+fun main(args: Array<String>) {
+    val p: Foo = Foo() // simple class usage
+
+    // default object usages
+    Foo.f()
+    val x = Foo
+
+    Foo.Bar.f()
+    val xx = Foo.Bar
+}

idea/testData/findUsages/kotlin/defaultObject/named.results.txt

@@ -0,0 +1,4 @@
+Nested class/object (5: 5) Foo.f()
+Nested class/object (8: 9) Foo.Bar.f()
+Unclassified usage (6: 13) val x = Foo
+Unclassified usage (9: 18) val xx = Foo.Bar

idea/testData/findUsages/kotlin/defaultObject/simple.0.kt

@@ -0,0 +1,8 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.JetObjectDeclaration
+// OPTIONS: usages
+class Foo {
+    default <caret>object {
+        fun f() {
+        }
+    }
+}

idea/testData/findUsages/kotlin/defaultObject/simple.1.kt

@@ -0,0 +1,10 @@
+fun main(args: Array<String>) {
+    val p: Foo = Foo() // simple class usage
+
+    // default object usages
+    Foo.f()
+    val x = Foo
+
+    Foo.Default.f()
+    val xx = Foo.Default
+}

idea/testData/findUsages/kotlin/defaultObject/simple.results.txt

@@ -0,0 +1,4 @@
+Nested class/object (5: 5) Foo.f()
+Nested class/object (8: 9) Foo.Default.f()
+Unclassified usage (6: 13) val x = Foo
+Unclassified usage (9: 18) val xx = Foo.Default