fixture-based NullableStuffInspectionTest

java/java-tests/testData/inspection/nullableProblems/OverriddenMethods.java

@@ -0,0 +1,53 @@
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+abstract class P2 {
+    <warning descr="Overridden methods are not annotated">@NotNull</warning>
+    String foo(<warning descr="Overridden method parameters are not annotated">@NotNull</warning> <error descr="Cannot resolve symbol 'P'">P</error> p) {
+        return "";
+    }
+}
+
+class PPP extends P2 {
+    String <warning descr="Not annotated method overrides method annotated with @NotNull">foo</warning>(<error descr="Cannot resolve symbol 'P'">P</error> <warning descr="Not annotated parameter overrides @NotNull parameter">p</warning>) {
+        return super.foo(p);
+    }
+}
+class PPP2 extends P2 {
+
+    String <warning descr="Not annotated method overrides method annotated with @NotNull">foo</warning>(<error descr="Cannot resolve symbol 'P'">P</error> <warning descr="Not annotated parameter overrides @NotNull parameter">p</warning>) {
+        return super.foo(p);
+    }
+}
+
+///////  in library
+interface Foo {
+    @NotNull
+    String getTitle();
+}
+<error descr="Unhandled exception: java.awt.HeadlessException">class FooImpl extends java.awt.Frame implements Foo</error> {
+//    public String getTitle() {
+//        return super.getTitle();    //To change body of overridden methods use File | Settings | File Templates.
+//    }
+}
+
+
+interface I1 {
+  @Nullable
+  Object foo();
+}
+
+interface I2 extends I1 {
+  @NotNull
+  Object foo();
+}
+
+class A implements I1 {
+  @Override
+  public Object foo() {
+    // returns something
+  <error descr="Missing return statement">}</error>
+}
+
+class B extends A implements I2 {
+}