[K/N][Tests] Migrate framework and objcexport tests

^KT-61259

native/native.tests/testData/framework/objcexport/interfaceMethodNameMangling.kt

@@ -0,0 +1,73 @@
+@file:OptIn(kotlin.experimental.ExperimentalObjCName::class)
+
+package objcNameMangling
+
+interface InterfaceNameManglingI1 {
+    val clashingProperty: Int
+
+    fun clashingMethod(): Int
+
+    @ObjCName(name = "interfaceClashingMethodWithObjCNameInI1")
+    fun clashingMethodWithObjCNameInI1(): Int
+
+    fun interfaceClashingMethodWithObjCNameInI2(): Int
+
+    @ObjCName(name = "interfaceClashingMethodWithObjCNameInBoth")
+    fun clashingMethodWithObjCNameInBoth(): Int
+}
+
+fun i1() = object : InterfaceNameManglingI1 {
+    override val clashingProperty: Int
+        get() = 1
+
+    override fun clashingMethod(): Int = 2
+
+    override fun clashingMethodWithObjCNameInI1(): Int = 3
+
+    override fun interfaceClashingMethodWithObjCNameInI2(): Int = 4
+
+    override fun clashingMethodWithObjCNameInBoth(): Int = 5
+}
+
+interface InterfaceNameManglingI2 {
+    val clashingProperty: Any
+
+    fun clashingMethod(): Any
+
+    fun interfaceClashingMethodWithObjCNameInI1(): Any
+
+    @ObjCName(name = "interfaceClashingMethodWithObjCNameInI2")
+    fun clashingMethodWithObjCNameInI2(): Any
+
+    @ObjCName(name = "interfaceClashingMethodWithObjCNameInBoth")
+    fun clashingMethodWithObjCNameInBoth(): Any
+}
+
+fun i2() = object : InterfaceNameManglingI2 {
+    override val clashingProperty: Any
+        get() = "one"
+
+    override fun clashingMethod(): Any = "two"
+
+    override fun interfaceClashingMethodWithObjCNameInI1(): Any = "three"
+
+    override fun clashingMethodWithObjCNameInI2(): Any = "four"
+
+    override fun clashingMethodWithObjCNameInBoth(): Any = "five"
+}
+
+class InterfaceNameManglingC1 {
+    val clashingProperty: String = "one"
+
+    fun clashingMethod(): String = "two"
+}
+
+final class InterfaceNameManglingC2 {
+    val clashingProperty: Int = 1
+
+    fun clashingMethod(): Int = 2
+}
+
+fun o1() = InterfaceNameManglingC1()
+
+fun o2() = InterfaceNameManglingC2()