test/tools/javac/generics/diamond/pos/Pos03.java

Wed, 14 Apr 2010 12:31:55 +0100

author
mcimadamore
date
Wed, 14 Apr 2010 12:31:55 +0100
changeset 537
9d9d08922405
child 543
97b6fa97b8dd
permissions
-rw-r--r--

6939620: Switch to 'complex' diamond inference scheme
Summary: Implement new inference scheme for diamond operator that takes into account type of actual arguments supplied to constructor
Reviewed-by: jjg, darcy

mcimadamore@537 1 /*
mcimadamore@537 2 * Copyright 2010 Sun Microsystems, Inc. All Rights Reserved.
mcimadamore@537 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@537 4 *
mcimadamore@537 5 * This code is free software; you can redistribute it and/or modify it
mcimadamore@537 6 * under the terms of the GNU General Public License version 2 only, as
mcimadamore@537 7 * published by the Free Software Foundation.
mcimadamore@537 8 *
mcimadamore@537 9 * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@537 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@537 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@537 12 * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@537 13 * accompanied this code).
mcimadamore@537 14 *
mcimadamore@537 15 * You should have received a copy of the GNU General Public License version
mcimadamore@537 16 * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@537 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@537 18 *
mcimadamore@537 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
mcimadamore@537 20 * CA 95054 USA or visit www.sun.com if you need additional information or
mcimadamore@537 21 * have any questions.
mcimadamore@537 22 */
mcimadamore@537 23
mcimadamore@537 24 /*
mcimadamore@537 25 * @test
mcimadamore@537 26 * @bug 6939620
mcimadamore@537 27 *
mcimadamore@537 28 * @summary Switch to 'complex' diamond inference scheme
mcimadamore@537 29 * @author mcimadamore
mcimadamore@537 30 * @compile Pos03.java
mcimadamore@537 31 * @run main Pos03
mcimadamore@537 32 *
mcimadamore@537 33 */
mcimadamore@537 34
mcimadamore@537 35 public class Pos03<U> {
mcimadamore@537 36
mcimadamore@537 37 class Foo<V> {
mcimadamore@537 38 Foo(V x) {}
mcimadamore@537 39 <Z> Foo(V x, Z z) {}
mcimadamore@537 40 }
mcimadamore@537 41
mcimadamore@537 42 void testSimple() {
mcimadamore@537 43 Foo<Integer> f1 = new Foo<>(1);
mcimadamore@537 44 Foo<? extends Integer> f2 = new Foo<>(1);
mcimadamore@537 45 Foo<?> f3 = new Foo<>(1);
mcimadamore@537 46 Foo<? super Integer> f4 = new Foo<>(1);
mcimadamore@537 47
mcimadamore@537 48 Foo<Integer> f5 = new Foo<>(1){};
mcimadamore@537 49 Foo<? extends Integer> f6 = new Foo<>(1){};
mcimadamore@537 50 Foo<?> f7 = new Foo<>(1){};
mcimadamore@537 51 Foo<? super Integer> f8 = new Foo<>(1){};
mcimadamore@537 52
mcimadamore@537 53 Foo<Integer> f9 = new Foo<>(1, "");
mcimadamore@537 54 Foo<? extends Integer> f10 = new Foo<>(1, "");
mcimadamore@537 55 Foo<?> f11 = new Foo<>(1, "");
mcimadamore@537 56 Foo<? super Integer> f12 = new Foo<>(1, "");
mcimadamore@537 57
mcimadamore@537 58 Foo<Integer> f13 = new Foo<>(1, ""){};
mcimadamore@537 59 Foo<? extends Integer> f14 = new Foo<>(1, ""){};
mcimadamore@537 60 Foo<?> f15 = new Foo<>(1, ""){};
mcimadamore@537 61 Foo<? super Integer> f16 = new Foo<>(1, ""){};
mcimadamore@537 62 }
mcimadamore@537 63
mcimadamore@537 64 void testQualified_1() {
mcimadamore@537 65 Foo<Integer> f1 = new Pos03<U>.Foo<>(1);
mcimadamore@537 66 Foo<? extends Integer> f2 = new Pos03<U>.Foo<>(1);
mcimadamore@537 67 Foo<?> f3 = new Pos03<U>.Foo<>(1);
mcimadamore@537 68 Foo<? super Integer> f4 = new Pos03<U>.Foo<>(1);
mcimadamore@537 69
mcimadamore@537 70 Foo<Integer> f5 = new Pos03<U>.Foo<>(1){};
mcimadamore@537 71 Foo<? extends Integer> f6 = new Pos03<U>.Foo<>(1){};
mcimadamore@537 72 Foo<?> f7 = new Pos03<U>.Foo<>(1){};
mcimadamore@537 73 Foo<? super Integer> f8 = new Pos03<U>.Foo<>(1){};
mcimadamore@537 74
mcimadamore@537 75 Foo<Integer> f9 = new Pos03<U>.Foo<>(1, "");
mcimadamore@537 76 Foo<? extends Integer> f10 = new Pos03<U>.Foo<>(1, "");
mcimadamore@537 77 Foo<?> f11 = new Pos03<U>.Foo<>(1, "");
mcimadamore@537 78 Foo<? super Integer> f12 = new Pos03<U>.Foo<>(1, "");
mcimadamore@537 79
mcimadamore@537 80 Foo<Integer> f13 = new Pos03<U>.Foo<>(1, ""){};
mcimadamore@537 81 Foo<? extends Integer> f14 = new Pos03<U>.Foo<>(1, ""){};
mcimadamore@537 82 Foo<?> f15 = new Pos03<U>.Foo<>(1, ""){};
mcimadamore@537 83 Foo<? super Integer> f16 = new Pos03<U>.Foo<>(1, ""){};
mcimadamore@537 84 }
mcimadamore@537 85
mcimadamore@537 86 void testQualified_2(Pos03<U> p) {
mcimadamore@537 87 Foo<Integer> f1 = p.new Foo<>(1);
mcimadamore@537 88 Foo<? extends Integer> f2 = p.new Foo<>(1);
mcimadamore@537 89 Foo<?> f3 = p.new Foo<>(1);
mcimadamore@537 90 Foo<? super Integer> f4 = p.new Foo<>(1);
mcimadamore@537 91
mcimadamore@537 92 Foo<Integer> f5 = p.new Foo<>(1){};
mcimadamore@537 93 Foo<? extends Integer> f6 = p.new Foo<>(1){};
mcimadamore@537 94 Foo<?> f7 = p.new Foo<>(1){};
mcimadamore@537 95 Foo<? super Integer> f8 = p.new Foo<>(1){};
mcimadamore@537 96
mcimadamore@537 97 Foo<Integer> f9 = p.new Foo<>(1, "");
mcimadamore@537 98 Foo<? extends Integer> f10 = p.new Foo<>(1, "");
mcimadamore@537 99 Foo<?> f11 = p.new Foo<>(1, "");
mcimadamore@537 100 Foo<? super Integer> f12 = p.new Foo<>(1, "");
mcimadamore@537 101
mcimadamore@537 102 Foo<Integer> f13 = p.new Foo<>(1, ""){};
mcimadamore@537 103 Foo<? extends Integer> f14 = p.new Foo<>(1, ""){};
mcimadamore@537 104 Foo<?> f15 = p.new Foo<>(1, ""){};
mcimadamore@537 105 Foo<? super Integer> f16 = p.new Foo<>(1, ""){};
mcimadamore@537 106 }
mcimadamore@537 107
mcimadamore@537 108 public static void main(String[] args) {
mcimadamore@537 109 Pos03<String> p3 = new Pos03<>();
mcimadamore@537 110 p3.testSimple();
mcimadamore@537 111 p3.testQualified_1();
mcimadamore@537 112 p3.testQualified_2(p3);
mcimadamore@537 113 }
mcimadamore@537 114 }

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