Nullability properties of receivers checked

2011-10-12 16:17:21 +04:00
parent c53754b3e8
commit 7427f3b3d6
11 changed files with 239 additions and 98 deletions
@@ -0,0 +1,44 @@
+class A {
+    fun foo() {}
+}
+
+fun A.bar() {}
+fun A?.buzz() {}
+
+fun test(a : A?) {
+    a<!UNSAFE_CALL!>.<!>foo() // error
+    a<!UNSAFE_CALL!>.<!>bar() // error
+    a.buzz()
+
+    a?.foo()
+    a?.bar()
+    a<!UNNECESSARY_SAFE_CALL!>?.<!>buzz() // warning
+}
+
+fun A.test() {
+    foo()
+    bar()
+    buzz()
+
+    this.foo()
+    this.bar()
+    this.buzz()
+
+    this<!UNNECESSARY_SAFE_CALL!>?.<!>foo() // warning
+    this<!UNNECESSARY_SAFE_CALL!>?.<!>bar() // warning
+    this<!UNNECESSARY_SAFE_CALL!>?.<!>buzz() // warning
+}
+
+fun A?.test() {
+    <!UNSAFE_CALL!>foo<!>() // error
+    <!UNSAFE_CALL!>bar<!>() // error
+    buzz()
+
+    this<!UNSAFE_CALL!>.<!>foo() // error
+    this<!UNSAFE_CALL!>.<!>bar() // error
+    this.buzz()
+
+    this?.foo()
+    this?.bar()
+    this<!UNNECESSARY_SAFE_CALL!>?.<!>buzz() // warning
+}