tests added

for inference for delegated properties

compiler/testData/diagnostics/tests/delegatedProperty/inference/extensionGet.kt

@@ -0,0 +1,33 @@
+package foo
+
+class A1 {
+    val a: String by MyProperty1()
+}
+
+class MyProperty1 {}
+fun MyProperty1.get(thisRef: Any?, desc: PropertyMetadata): String {
+    throw Exception("$thisRef $desc")
+}
+
+//--------------------
+
+class A2 {
+    val a: String by MyProperty2()
+}
+
+class MyProperty2<T> {}
+fun <T> MyProperty2<T>.get(thisRef: Any?, desc: PropertyMetadata): T {
+    throw Exception("$thisRef $desc")
+}
+
+//--------------------
+
+class A3 {
+    val a: String by MyProperty3()
+
+    class MyProperty3<T> {}
+
+    fun <T> MyProperty3<T>.get(thisRef: Any?, desc: PropertyMetadata): T {
+        throw Exception("$thisRef $desc")
+    }
+}

compiler/testData/diagnostics/tests/delegatedProperty/inference/extensionProperty.kt

@@ -0,0 +1,17 @@
+package foo
+
+open class A {
+    val B.w: Int by <!TYPE_INFERENCE_UPPER_BOUND_VIOLATED!>MyProperty<!>()
+}
+
+val A.e: Int by MyProperty()
+
+class B {
+    val A.f: Int by MyProperty()
+}
+
+class MyProperty<R : A, T> {
+    public fun get(thisRef: R, desc: PropertyMetadata): T {
+        throw Exception("$thisRef $desc")
+    }
+}