Support rxjava 3 nullability annotations

2021-06-02 17:23:04 +03:00
parent 6d3badb2cd
commit f46dc713d7
11 changed files with 305 additions and 2 deletions
@@ -0,0 +1,41 @@
+// FILE: A.java
+
+import io.reactivex.rxjava3.annotations.*;
+
+public class A<T> {
+    @Nullable public String field = null;
+
+    @Nullable
+    public String foo(@NonNull String x, @Nullable CharSequence y) {
+        return "";
+    }
+
+    @NonNull
+    public String bar() {
+        return "";
+    }
+
+    @Nullable
+    public T baz(@NonNull T x) { return x; }
+}
+
+// FILE: main.kt
+
+fun main(a: A<String>, a1: A<String?>) {
+    a.foo("", null)?.length
+    <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo("", null)<!>.length
+    <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.foo(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>, "")<!>.length
+
+    a.bar().length
+    a.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.length
+
+    a.field?.length
+    <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.field<!>.length
+
+    <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz("")<!>.length
+    a.baz("")?.length
+    <!RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>a.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>)<!>.length
+
+    a1.baz("")!!.length
+    a1.baz(<!NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS!>null<!>)!!.length
+}