[FIR, Tests] Add box tests to verify that disappeared DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE leads to executable code

#KT-59903 Merge-request: KT-MR-13423 Merged-by: Evgeniy Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>
2023-12-08 13:18:59 +00:00
parent aff5b91da3
commit 9cef8a2133
25 changed files with 774 additions and 0 deletions
@@ -0,0 +1,55 @@
+// ISSUE: KT-58754
+// IGNORE_BACKEND_K1: ANY
+// WITH_STDLIB
+
+
+fun foo(): Int = 1
+fun bar(): Int = 2
+
+class Test(b: Boolean) {
+    val test_1 by lazy {
+        val a = if (b) {
+            ::foo
+        } else {
+            ::bar
+        }
+        a
+    }
+
+    val test_2 by lazy {
+        val a = if (b) ::foo else ::bar
+        a
+    }
+
+    val test_3 by lazy {
+        val a = when {
+            b -> { ::foo }
+            else -> { ::bar }
+        }
+        a
+    }
+
+    val test_4 by lazy {
+        val a = when {
+            b -> ::foo
+            else -> ::bar
+        }
+        a
+    }
+}
+
+fun box(): String {
+    with(Test(b = false)) {
+        require(test_1() == bar())
+        require(test_2() == bar())
+        require(test_3() == bar())
+        require(test_4() == bar())
+    }
+    with(Test(b = true)) {
+        require(test_1() == foo())
+        require(test_2() == foo())
+        require(test_3() == foo())
+        require(test_4() == foo())
+    }
+    return "OK"
+}