util/PriorityQueue/RemoveContains.java

0N/A/*
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0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation.
0N/A *
2362N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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2362N/A
0N/A/*
0N/A * @test
0N/A * @bug     6207984 6268068
0N/A * @summary Test contains/remove equator compatibility
0N/A * @author  Martin Buchholz
0N/A */
0N/A
0N/Aimport java.util.*;
0N/Aimport java.util.concurrent.*;
0N/A
0N/Apublic class RemoveContains {
0N/A    static volatile int passed = 0, failed = 0;
0N/A
0N/A    static void fail(String msg) {
0N/A        failed++;
0N/A        new AssertionError(msg).printStackTrace();
0N/A    }
0N/A
    static void pass() {
        passed++;
    }

    static void unexpected(Throwable t) {
        failed++;
        t.printStackTrace();
    }

    static void check(boolean condition, String msg) {
        if (condition)
            passed++;
        else
            fail(msg);
    }

    static void check(boolean condition) {
        check(condition, "Assertion failure");
    }

    public static void main(String[] args) {
        final Comparator<String> firstChar = new Comparator<String>() {
            public int compare(String x, String y) {
                return x.charAt(0) - y.charAt(0); }};

        test(new PriorityQueue<String>(10, firstChar));
        test(new PriorityBlockingQueue<String>(10, firstChar));
        test(new ArrayBlockingQueue<String>(10));
        test(new LinkedBlockingQueue<String>(10));
        test(new LinkedBlockingDeque<String>(10));
        test(new LinkedTransferQueue<String>());
        test(new ArrayDeque<String>(10));

        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
        if (failed > 0) throw new Error("Some tests failed");
    }

    private static void test(Queue<String> q) {
        try {
            List<String> words =
                Arrays.asList("foo", "fee", "fi", "fo", "fum",
                              "Englishman");
            q.addAll(words);
            for (String word : words)
                check(q.contains(word));
            check(! q.contains("flurble"));

            check(q.remove("fi"));
            for (String word : words)
                check(q.contains(word) ^ word.equals("fi"));

            check(! q.remove("fi"));
            check(! q.remove("flurble"));

        } catch (Throwable t) { unexpected(t); }
    }
}