/* * @test /nodynamiccopyright/ * @bug 6840638 * * @summary Project Coin: Improved Type Inference for Generic Instance Creation (aka 'diamond') * @author mcimadamore * @compile Pos03.java -source 1.7 * @run main Pos03 * */ public class Pos03<U> { class Foo<V> { Foo(V x) {} <Z> Foo(V x, Z z) {} } void testSimple() { Foo<Integer> f1 = new Foo<>(1); //new Foo<Integer> created Foo<? extends Integer> f2 = new Foo<>(1); //new Foo<Integer> created Foo<?> f3 = new Foo<>(1); //new Foo<Object> created Foo<? super Integer> f4 = new Foo<>(1); //new Foo<Object> created Foo<Integer> f5 = new Foo<>(1){}; //new Foo<Integer> created Foo<? extends Integer> f6 = new Foo<>(1){}; //new Foo<Integer> created Foo<?> f7 = new Foo<>(1){}; //new Foo<Object> created Foo<? super Integer> f8 = new Foo<>(1){}; //new Foo<Object> created Foo<Integer> f9 = new Foo<>(1, ""); //new Foo<Integer> created Foo<? extends Integer> f10 = new Foo<>(1, ""); //new Foo<Integer> created Foo<?> f11 = new Foo<>(1, ""); //new Foo<Object> created Foo<? super Integer> f12 = new Foo<>(1, ""); //new Foo<Object> created Foo<Integer> f13 = new Foo<>(1, ""){}; //new Foo<Integer> created Foo<? extends Integer> f14 = new Foo<>(1, ""){}; //new Foo<Integer> created Foo<?> f15 = new Foo<>(1, ""){}; //new Foo<Object> created Foo<? super Integer> f16 = new Foo<>(1, ""){}; //new Foo<Object> created } void testQualified_1() { Foo<Integer> f1 = new Pos03<U>.Foo<>(1); //new Foo<Integer> created Foo<? extends Integer> f2 = new Pos03<U>.Foo<>(1); //new Foo<Integer> created Foo<?> f3 = new Pos03<U>.Foo<>(1); //new Foo<Object> created Foo<? super Integer> f4 = new Pos03<U>.Foo<>(1); //new Foo<Object> created Foo<Integer> f5 = new Pos03<U>.Foo<>(1){}; //new Foo<Integer> created Foo<? extends Integer> f6 = new Pos03<U>.Foo<>(1){}; //new Foo<Integer> created Foo<?> f7 = new Pos03<U>.Foo<>(1){}; //new Foo<Object> created Foo<? super Integer> f8 = new Pos03<U>.Foo<>(1){}; //new Foo<Object> created Foo<Integer> f9 = new Pos03<U>.Foo<>(1, ""); //new Foo<Integer> created Foo<? extends Integer> f10 = new Pos03<U>.Foo<>(1, ""); //new Foo<Integer> created Foo<?> f11 = new Pos03<U>.Foo<>(1, ""); //new Foo<Object> created Foo<? super Integer> f12 = new Pos03<U>.Foo<>(1, ""); //new Foo<Object> created Foo<Integer> f13 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Integer> created Foo<? extends Integer> f14 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Integer> created Foo<?> f15 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Object> created Foo<? super Integer> f16 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Object> created } void testQualified_2(Pos03<U> p) { Foo<Integer> f1 = p.new Foo<>(1); //new Foo<Integer> created Foo<? extends Integer> f2 = p.new Foo<>(1); //new Foo<Integer> created Foo<?> f3 = p.new Foo<>(1); //new Foo<Object> created Foo<? super Integer> f4 = p.new Foo<>(1); //new Foo<Object> created Foo<Integer> f5 = p.new Foo<>(1){}; //new Foo<Integer> created Foo<? extends Integer> f6 = p.new Foo<>(1){}; //new Foo<Integer> created Foo<?> f7 = p.new Foo<>(1){}; //new Foo<Object> created Foo<? super Integer> f8 = p.new Foo<>(1){}; //new Foo<Object> created Foo<Integer> f9 = p.new Foo<>(1, ""); //new Foo<Integer> created Foo<? extends Integer> f10 = p.new Foo<>(1, ""); //new Foo<Integer> created Foo<?> f11 = p.new Foo<>(1, ""); //new Foo<Object> created Foo<? super Integer> f12 = p.new Foo<>(1, ""); //new Foo<Object> created Foo<Integer> f13 = p.new Foo<>(1, ""){}; //new Foo<Integer> created Foo<? extends Integer> f14 = p.new Foo<>(1, ""){}; //new Foo<Integer> created Foo<?> f15 = p.new Foo<>(1, ""){}; //new Foo<Object> created Foo<? super Integer> f16 = p.new Foo<>(1, ""){}; //new Foo<Object> created } public static void main(String[] args) { Pos03<String> p3 = new Pos03<>(); p3.testSimple(); p3.testQualified_1(); p3.testQualified_2(p3); } }