Merge "diagnostic with Java 8" tests with general diagnostic tests

compiler/testData/diagnostics/testsWithStdLib/targetedBuiltIns/unsupportedFeature.kt

@@ -0,0 +1,65 @@
+// !CHECK_TYPE
+// !LANGUAGE: -AdditionalBuiltInsMembers
+// SKIP_TXT
+// FULL_JDK
+
+class A : java.util.ArrayList<String>() {
+    // `stream` is defined in ArrayList, so it was impossible to override it in 1.0
+    <!NOTHING_TO_OVERRIDE!>override<!> fun stream(): java.util.stream.Stream<String> = super.<!UNRESOLVED_REFERENCE!>stream<!>()
+
+    // `sort` is defined in ArrayList, so it was possible to override it in 1.0
+    override fun sort(c: Comparator<in String>?) {
+        super.sort(c)
+    }
+}
+
+class A1 : java.util.ArrayList<String>() {
+    // `stream` is defined in ArrayList, so it was possible to declare it in 1.0 without an 'override' keyword
+    fun stream(): java.util.stream.Stream<String> = super.<!UNRESOLVED_REFERENCE!>stream<!>()
+
+    // `sort` is defined in ArrayList, so it was impossible to declare it in 1.0 without an 'override' keyword
+    fun <!VIRTUAL_MEMBER_HIDDEN!>sort<!>(c: Comparator<in String>?) {
+        super.sort(c)
+    }
+}
+
+interface A2 : List<String> {
+    <!NOTHING_TO_OVERRIDE!>override<!> fun stream(): java.util.stream.Stream<String> = null!!
+}
+
+class B : <!NONE_APPLICABLE!>Throwable<!>("", null, false, false)
+
+class B1 : RuntimeException() {
+    <!NOTHING_TO_OVERRIDE!>override<!> fun fillInStackTrace(): Throwable { // 'override' keyword must be prohibited, as it was in 1.0.x
+        return this
+    }
+}
+
+class A3(val x: List<String>) : List<String> by x
+
+fun Throwable.fillInStackTrace() = 1
+
+fun foo(x: List<String>, y: Throwable, z: A3) {
+    x.<!UNRESOLVED_REFERENCE!>stream<!>()
+    java.util.ArrayList<String>().<!UNRESOLVED_REFERENCE!>stream<!>()
+
+    y.fillInStackTrace() checkType { _<Int>() }
+
+    HashMap<String, Int>().getOrDefault(Any(), null)
+
+    // Falls back to extension in stdlib
+    y.printStackTrace()
+
+    z.<!UNRESOLVED_REFERENCE!>stream<!>()
+}
+
+interface X {
+    fun foo(): Int = 1
+    val hidden: Boolean
+}
+
+class Y : X {
+    // There should not be UNSUPPORTED_FEATURE diagnostic
+    override fun foo() = 1
+    override var hidden: Boolean = true
+}