test/tools/javac/generics/diamond/pos/Pos02.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 Pos02.java
mcimadamore@537 31 * @run main Pos02
mcimadamore@537 32 */
mcimadamore@537 33
mcimadamore@537 34 public class Pos02 {
mcimadamore@537 35
mcimadamore@537 36 static class Foo<X> {
mcimadamore@537 37 Foo(X x) {}
mcimadamore@537 38 <Z> Foo(X x, Z z) {}
mcimadamore@537 39 }
mcimadamore@537 40
mcimadamore@537 41 void testSimple() {
mcimadamore@537 42 Foo<Integer> f1 = new Foo<>(1);
mcimadamore@537 43 Foo<? extends Integer> f2 = new Foo<>(1);
mcimadamore@537 44 Foo<?> f3 = new Foo<>(1);
mcimadamore@537 45 Foo<? super Integer> f4 = new Foo<>(1);
mcimadamore@537 46
mcimadamore@537 47 Foo<Integer> f5 = new Foo<>(1){};
mcimadamore@537 48 Foo<? extends Integer> f6 = new Foo<>(1){};
mcimadamore@537 49 Foo<?> f7 = new Foo<>(1){};
mcimadamore@537 50 Foo<? super Integer> f8 = new Foo<>(1){};
mcimadamore@537 51
mcimadamore@537 52 Foo<Integer> f9 = new Foo<>(1, "");
mcimadamore@537 53 Foo<? extends Integer> f10 = new Foo<>(1, "");
mcimadamore@537 54 Foo<?> f11 = new Foo<>(1, "");
mcimadamore@537 55 Foo<? super Integer> f12 = new Foo<>(1, "");
mcimadamore@537 56
mcimadamore@537 57 Foo<Integer> f13 = new Foo<>(1, ""){};
mcimadamore@537 58 Foo<? extends Integer> f14 = new Foo<>(1, ""){};
mcimadamore@537 59 Foo<?> f15 = new Foo<>(1, ""){};
mcimadamore@537 60 Foo<? super Integer> f16 = new Foo<>(1, ""){};
mcimadamore@537 61 }
mcimadamore@537 62
mcimadamore@537 63 void testQualified() {
mcimadamore@537 64 Foo<Integer> f1 = new Pos02.Foo<>(1);
mcimadamore@537 65 Foo<? extends Integer> f2 = new Pos02.Foo<>(1);
mcimadamore@537 66 Foo<?> f3 = new Pos02.Foo<>(1);
mcimadamore@537 67 Foo<? super Integer> f4 = new Pos02.Foo<>(1);
mcimadamore@537 68
mcimadamore@537 69 Foo<Integer> f5 = new Pos02.Foo<>(1){};
mcimadamore@537 70 Foo<? extends Integer> f6 = new Pos02.Foo<>(1){};
mcimadamore@537 71 Foo<?> f7 = new Pos02.Foo<>(1){};
mcimadamore@537 72 Foo<? super Integer> f8 = new Pos02.Foo<>(1){};
mcimadamore@537 73
mcimadamore@537 74 Foo<Integer> f9 = new Pos02.Foo<>(1, "");
mcimadamore@537 75 Foo<? extends Integer> f10 = new Pos02.Foo<>(1, "");
mcimadamore@537 76 Foo<?> f11 = new Pos02.Foo<>(1, "");
mcimadamore@537 77 Foo<? super Integer> f12 = new Pos02.Foo<>(1, "");
mcimadamore@537 78
mcimadamore@537 79 Foo<Integer> f13 = new Pos02.Foo<>(1, ""){};
mcimadamore@537 80 Foo<? extends Integer> f14 = new Pos02.Foo<>(1, ""){};
mcimadamore@537 81 Foo<?> f15 = new Pos02.Foo<>(1, ""){};
mcimadamore@537 82 Foo<? super Integer> f16 = new Pos02.Foo<>(1, ""){};
mcimadamore@537 83 }
mcimadamore@537 84
mcimadamore@537 85 public static void main(String[] args) {
mcimadamore@537 86 Pos02 p2 = new Pos02();
mcimadamore@537 87 p2.testSimple();
mcimadamore@537 88 p2.testQualified();
mcimadamore@537 89 }
mcimadamore@537 90 }

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