Properly check whether nullability of receiver argument fits to parameter's nullability

It's should behave like we check isSubtype(receiverType, parameterType) + use nullability info from smart cast #KT-1090 Fixed
2015-08-26 11:29:18 +03:00
parent 70d4a7997e
commit aad977d204
13 changed files with 267 additions and 10 deletions
@@ -0,0 +1,28 @@
+// !DIAGNOSTICS: -UNUSED_EXPRESSION,-UNUSED_VARIABLE
+
+fun <T : CharSequence?> T.bar1() {}
+fun CharSequence?.bar2() {}
+
+fun <T : CharSequence> T.bar3() {}
+
+fun <T, R> T.let(f: (T) -> R): R = f(this)
+
+fun <T : String?> foo(x: T) {
+    x<!UNSAFE_CALL!>.<!>length()
+    x?.length()
+
+    if (1 == 1) {
+        x!!.length()
+    }
+
+
+    x.bar1()
+    x.bar2()
+
+    x?.bar1()
+    x?.bar2()
+
+    x.<!TYPE_INFERENCE_UPPER_BOUND_VIOLATED!>bar3<!>()
+
+    x?.let { it<!UNSAFE_CALL!>.<!>length() }
+}