langtools/test/tools/javac/generics/odersky/BadTest.java
author never
Fri, 25 Mar 2011 18:50:10 -0700
changeset 8867 6febcc945802
parent 5520 86e4b9a9da40
child 30721 1024d425d97e
permissions -rw-r--r--
7022204: LogFile wildcarding should use %p instead of star Reviewed-by: coleenp, jrose
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/*
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 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @ bug
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 * @summary Negative regression test from odersky
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 * @author odersky
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 *
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 * @compile/fail  BadTest.java
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 */
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class BadTest {
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    static class Main {
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        static <B> List<B> nil() { return new List<B>(); }
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        static <A> List<A> cons(A x, List<A> xs) { return xs.prepend(x); }
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        static <A> Cell<A> makeCell(A x) { return new Cell<A>(x); }
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        static <A> A id(A x) { return x; }
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        public static void main(String[] args) {
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            List<Cell<String>> as = nil().prepend(makeCell(null));
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            List<Cell<String>> bs = cons(makeCell(null), nil());
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            List<String> xs = id(nil());
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            List<String> ys = cons("abc", id(nil()));
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            List<String> zs = id(nil()).prepend("abc");
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            List<Cell<String>> us = id(nil()).prepend(makeCell(null));
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            List<Cell<String>> vs = cons(makeCell(null), id(nil()));
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            System.out.println(nil() instanceof List<String>);
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            nil();
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        }
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    }
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}