Error on 'if' without an 'else' branch when used as an expression

2015-10-13 18:13:51 +03:00
parent de5dc61820
commit e14c9645dc
29 changed files with 121 additions and 91 deletions
@@ -0,0 +1,33 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+fun example() {
+    val a = if (true) true else false
+    val b = <!INVALID_IF_AS_EXPRESSION!>if (true) else false<!>
+    val c = <!INVALID_IF_AS_EXPRESSION!>if (true) true<!>
+    val d = <!INVALID_IF_AS_EXPRESSION!>if (true) true else<!>;
+    val e = <!IMPLICIT_CAST_TO_UNIT_OR_ANY!>if (true) {} else false<!>
+    val f = <!IMPLICIT_CAST_TO_UNIT_OR_ANY!>if (true) true else {}<!>
+
+    {
+        if (true) <!UNUSED_EXPRESSION!>true<!>
+    }();
+
+    {
+        if (true) true else false
+    }();
+
+    {
+        if (true) {} else false
+    }();
+
+
+    {
+        if (true) true else {}
+    }()
+
+    fun t(): Boolean {
+        return <!TYPE_MISMATCH, INVALID_IF_AS_EXPRESSION!>if (true) true<!>
+    }
+
+    return if (true) <!CONSTANT_EXPECTED_TYPE_MISMATCH!>true<!> else {}
+}