Add compatibility warning for reference adaptation

2020-05-31 23:50:19 +03:00
parent 684dfb959c
commit 47e6805186
10 changed files with 240 additions and 3 deletions
@@ -0,0 +1,57 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_EXPRESSION
+
+object Test1 {
+    fun <T> foo(f: () -> T): T = f()
+    fun bar(): Int = 0
+
+    object Scope {
+        fun bar(x: Int = 0): String = ""
+
+        fun test() {
+            val result = foo(<!COMPATIBILITY_WARNING!>::bar<!>)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>result<!>
+        }
+    }
+}
+
+object Test2 {
+    fun foo(f: () -> Unit) {}
+    fun bar() {}
+
+    object Scope {
+        fun bar(): String = ""
+
+        fun test() {
+            foo(<!COMPATIBILITY_WARNING!>::bar<!>)
+        }
+    }
+}
+
+object Test3 {
+    fun <T> foo(f: (Int, Int) -> T): T = TODO()
+    fun bar(x: Int, y: Int): Int = 0
+
+    object Scope {
+        fun bar(vararg ints: Int): String = ""
+
+        fun test() {
+            val result = foo(<!COMPATIBILITY_WARNING!>::bar<!>)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>result<!>
+        }
+    }
+}
+
+object Test4 {
+    fun <T> foo(f: (Array<String>) -> T): T = TODO()
+    fun bar(g: Array<String>): Int = 0
+
+    object Scope {
+        // Works before 1.4
+        fun bar(vararg g: String): String = ""
+
+        fun test() {
+            val result = foo(::bar)
+            <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>result<!>
+        }
+    }
+}