[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/classDelegation/generic.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+open class Content() {
+    override fun toString() = "OK"
+}
+
+interface Box<E> {
+    fun get(): E
+}
+
+interface ContentBox<T : Content> : Box<T>
+
+object Impl : ContentBox<Content> {
+    override fun get(): Content = Content()
+}
+
+class ContentBoxDelegate<T : Content>() : ContentBox<T> by (Impl as ContentBox<T>)
+
+fun box() = ContentBoxDelegate<Content>().get().toString()

compiler/testData/codegen/box/classDelegation/method.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+interface A<T> {
+    fun foo(): T
+}
+
+class B : A<String> {
+    override fun foo() = "OK"
+}
+
+class C(a: A<String>) : A<String> by a
+
+fun box(): String {
+    val c = C(B())
+    val a: A<String> = c
+    val cfoo = c.foo()
+    if (cfoo != "OK") return "FAIL cfoo: $cfoo"
+    val afoo = a.foo()
+    if (afoo != "OK") return "FAIL afoo: $afoo"
+    return "OK"
+}

compiler/testData/codegen/box/classDelegation/multipleModules.kt

@@ -0,0 +1,40 @@
+// WITH_STDLIB
+// MODULE: lib
+// FILE: lib.kt
+
+package zzz
+
+interface I {
+    fun foo(): Int
+}
+
+open class A : I {
+    override fun foo() = 42
+}
+
+open class B : I by A() {
+    val x = 117
+    val y = "zzz"
+}
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+import zzz.*
+import kotlin.test.*
+
+class C : B() {
+    val a = "qxx"
+    val b = 123
+}
+
+fun box(): String {
+    val c = C()
+    assertEquals("qxx", c.a)
+    assertEquals(123, c.b)
+    assertEquals(42, c.foo())
+    assertEquals(117, c.x)
+    assertEquals("zzz", c.y)
+
+    return "OK"
+}

compiler/testData/codegen/box/classDelegation/property.jvm_abi.txt

@@ -0,0 +1,11 @@
+MODULE main
+	CLASS Q.class
+		CLASS METADATA
+			K1
+				getX()I
+			K2
+				---
+			K1
+				---
+			K2
+				x

compiler/testData/codegen/box/classDelegation/property.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63828
+// WITH_STDLIB
+
+import kotlin.test.*
+
+interface A {
+    val x: Int
+}
+
+class C: A {
+    override val x: Int = 42
+}
+
+class Q(a: A): A by a
+
+fun box(): String {
+    val q = Q(C())
+    val a: A = q
+    if (q.x != 42) return "FAIL q.x=${q.x}"
+    if (a.x != 42) return "FAIL a.x=${a.x}"
+    return "OK"
+}

compiler/testData/codegen/box/classDelegation/withBridge.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+interface A<T> {
+    fun foo(t: T): String
+}
+
+interface B {
+    fun foo(t: Int) = "B"
+}
+
+class Z : B
+
+class Z1 : A<Int>, B by Z()
+
+fun box(): String {
+    val z1 = Z1()
+    val z1a: A<Int> = z1
+    val z1b: B = z1
+
+    return when {
+        z1.foo( 0)  != "B" -> "Fail #1"
+        z1a.foo( 0) != "B" -> "Fail #2"
+        z1b.foo( 0) != "B" -> "Fail #3"
+        else -> "OK"
+    }
+}