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// If conservativeUninferredTypeArguments option is used, then the lines marked
// "TODO: Issue 802", will issue a methodref.inference.unimplemented warning.
interface Supplier<R> {
R supply();
}
interface FunctionMR<T, R> {
R apply(T t);
}
interface Consumer<T> {
void consume(T t);
}
interface BiFunctionMR<T, U, R> {
R apply(T t, U u);
}
/** super # instMethod */
// SUPER(ReferenceMode.INVOKE, false),
class Super {
Object func1(Object o) {
return o;
}
<T> T func2(T o) {
return o;
}
class Sub extends Super {
void context() {
FunctionMR<Object, Object> f1 = super::func1;
// TODO: Issue 802: type argument inference
FunctionMR f2 = super::func2;
// Top level wildcards are ignored when type checking
FunctionMR<? extends String, ? extends String> f3 = super::<String>func2;
}
}
}
class SuperWithArg<U> {
void func1(U o) {}
class Sub extends SuperWithArg<Number> {
void context() {
Consumer<Integer> f1 = super::func1;
}
}
}
/** Type # instMethod. */
// UNBOUNDED(ReferenceMode.INVOKE, true),
class Unbound {
<T> T func1(T o) {
return o;
}
void context() {
FunctionMR<String, String> f1 = String::toString;
// TODO: Issue 802: type argument inference
BiFunctionMR<Unbound, String, String> f2 = Unbound::func1;
@SuppressWarnings("nullness:type.argument.type.incompatible")
BiFunctionMR<? extends Unbound, ? super Integer, ? extends Integer> f3 =
Unbound::<Integer>func1;
}
}
abstract class UnboundWithArg<U> {
abstract U func1();
void context() {
// TODO: Issue 802: type argument inference
FunctionMR<UnboundWithArg<String>, String> f1 = UnboundWithArg::func1;
FunctionMR<UnboundWithArg<String>, String> f2 = UnboundWithArg<String>::func1;
// TODO: Issue 802: type argument inference
FunctionMR<? extends UnboundWithArg<String>, String> f3 = UnboundWithArg::func1;
FunctionMR<? extends UnboundWithArg<String>, String> f4 = UnboundWithArg<String>::func1;
}
}
/** Type # staticMethod. */
// STATIC(ReferenceMode.INVOKE, false),
class Static {
static <T> T func1(T o) {
return o;
}
void context() {
// TODO: Issue 802: type argument inference
FunctionMR<String, String> f1 = Static::func1;
FunctionMR<String, String> f2 = Static::<String>func1;
}
}
/** Expr # instMethod. */
// BOUND(ReferenceMode.INVOKE, false),
class Bound {
<T> T func1(T o) {
return o;
}
void context(Bound bound) {
// TODO: Issue 802: type argument inference
FunctionMR<String, String> f1 = bound::func1;
// TODO: Issue 802: type argument inference
FunctionMR<String, String> f2 = this::func1;
FunctionMR<String, String> f3 = this::<String>func1;
FunctionMR<? extends String, ? extends String> f4 = this::<String>func1;
}
}
class BoundWithArg<U> {
void func1(U param) {}
void context(BoundWithArg<Number> bound) {
Consumer<Number> f1 = bound::func1;
Consumer<Integer> f2 = bound::func1;
}
}
/** Inner # new. */
// IMPLICIT_INNER(ReferenceMode.NEW, false),
class Outer {
void context(Outer other) {
Supplier<Inner> f1 = Inner::new;
}
class Inner extends Outer {}
}
class OuterWithArg {
void context() {
// TODO: Issue 802: type argument inference
Supplier<Inner<String>> f1 = Inner::new;
Supplier<? extends Inner<Number>> f2 = Inner<Number>::new;
Supplier<? extends Inner<? extends Number>> f3 = Inner<Integer>::new;
}
class Inner<T> extends OuterWithArg {}
}
/** Toplevel # new. */
// TOPLEVEL(ReferenceMode.NEW, false),
class TopLevel {
TopLevel() {}
<T> TopLevel(T s) {}
void context() {
Supplier<TopLevel> f1 = TopLevel::new;
// TODO: Issue 802: type argument inference
FunctionMR<String, TopLevel> f2 = TopLevel::new;
FunctionMR<String, TopLevel> f3 = TopLevel::<String>new;
}
}
class TopLevelWithArg<T> {
TopLevelWithArg() {}
<U> TopLevelWithArg(U s) {}
void context() {
// TODO: Issue 802: type argument inference
Supplier<TopLevelWithArg<String>> f1 = TopLevelWithArg::new;
Supplier<TopLevelWithArg<String>> f2 = TopLevelWithArg<String>::new;
FunctionMR<String, TopLevelWithArg<String>> f3 = TopLevelWithArg<String>::<String>new;
}
}
/** ArrayType # new. */
// ARRAY_CTOR(ReferenceMode.NEW, false);
class ArrayType {
void context() {
// TODO: Signedness Checker does not default boxed primitives correctly.
// See Issue #797: https://github.com/typetools/checker-framework/issues/797
@SuppressWarnings({"signedness"})
FunctionMR<Integer, String[]> string = String[]::new;
FunctionMR<String[], String[]> clone = String[]::clone;
FunctionMR<String[], String> toString = String[]::toString;
}
}
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