Call completer: safe call with nullable receiver has nullable return type #KT-11007 Fixed

2016-02-12 12:42:29 +03:00
parent 4cd7193047
commit 17593e4ef6
6 changed files with 85 additions and 4 deletions
@@ -0,0 +1,43 @@
+// See KT-11007: Wrong smart cast to not-null type after safe calls in if / when expression
+
+val String.copy: String
+    get() = this
+
+fun foo() {
+    val s: String? = null
+    val ss = if (true) {
+        s?.length
+    } else {
+        s?.length
+    }
+    ss<!UNSAFE_CALL!>.<!>hashCode() // Smart-cast to Int, should be unsafe call
+    val sss = if (true) {
+        s?.copy
+    }
+    else {
+        s?.copy
+    }
+    sss<!UNSAFE_CALL!>.<!>length
+}
+
+class My {
+    val String.copy2: String
+        get() = this
+
+    fun foo() {
+        val s: String? = null
+        val ss = if (true) {
+            s?.length
+        } else {
+            s?.length
+        }
+        ss<!UNSAFE_CALL!>.<!>hashCode()
+        val sss = if (true) {
+            s?.copy2
+        }
+        else {
+            s?.copy2
+        }
+        sss<!UNSAFE_CALL!>.<!>length
+    }
+}