util/Collections/T6433170.java

/*
 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 6433170
 * @summary CheckedCollection.addAll should be all-or-nothing
 */

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Vector;

import static java.util.Collections.checkedCollection;
import static java.util.Collections.checkedList;
import static java.util.Collections.checkedSet;

@SuppressWarnings("unchecked")
public class T6433170 {
    private void checkEmpty(Collection x) {
        check(x.isEmpty());
        check(x.size() == 0);
        check(x.toArray().length == 0);
    }

    void test(String[] args) throws Throwable {
        test(checkedList(
                 checkedList(new ArrayList(), String.class),
                 Object.class));
        test(checkedSet(
                 checkedSet(new HashSet(), String.class),
                 Object.class));
        test(checkedCollection(
                 checkedCollection(new Vector(), String.class),
                 Object.class));
    }

    void test(final Collection checked) {
        checkEmpty(checked);
        final List mixedList = Arrays.asList("1", 2, "3");
        THROWS(ClassCastException.class,
               new F(){void f(){ checked.addAll(mixedList); }});
        checkEmpty(checked);
    }

    //--------------------- Infrastructure ---------------------------
    volatile int passed = 0, failed = 0;
    void pass() {passed++;}
    void fail() {failed++; Thread.dumpStack();}
    void fail(String msg) {System.err.println(msg); fail();}
    void unexpected(Throwable t) {failed++; t.printStackTrace();}
    void check(boolean cond) {if (cond) pass(); else fail();}
    void equal(Object x, Object y) {
        if (x == null ? y == null : x.equals(y)) pass();
        else fail(x + " not equal to " + y);}
    public static void main(String[] args) throws Throwable {
        new T6433170().instanceMain(args);}
    void instanceMain(String[] args) throws Throwable {
        try {test(args);} catch (Throwable t) {unexpected(t);}
        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
        if (failed > 0) throw new AssertionError("Some tests failed");}
    abstract class F {abstract void f() throws Throwable;}
    void THROWS(Class<? extends Throwable> k, F... fs) {
        for (F f : fs)
            try {f.f(); fail("Expected " + k.getName() + " not thrown");}
            catch (Throwable t) {
                if (k.isAssignableFrom(t.getClass())) pass();
                else unexpected(t);}}
}
Revision:	1.4
Committed:	Mon Jan 8 03:12:03 2018 UTC (6 years, 4 months ago) by jsr166
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.3:	+10 -2 lines
Log Message:	organize imports
#	User	Rev	Content
1	jsr166	1.1	/*
2	jsr166	1.2	* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
3	jsr166	1.1	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4			*
5			* This code is free software; you can redistribute it and/or modify it
6			* under the terms of the GNU General Public License version 2 only, as
7			* published by the Free Software Foundation.
8			*
9			* This code is distributed in the hope that it will be useful, but WITHOUT
10			* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11			* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12			* version 2 for more details (a copy is included in the LICENSE file that
13			* accompanied this code).
14			*
15			* You should have received a copy of the GNU General Public License version
16			* 2 along with this work; if not, write to the Free Software Foundation,
17			* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18			*
19	jsr166	1.2	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20			* or visit www.oracle.com if you need additional information or have any
21			* questions.
22	jsr166	1.1	*/
23
24			/*
25			* @test
26			* @bug 6433170
27			* @summary CheckedCollection.addAll should be all-or-nothing
28			*/
29
30	jsr166	1.4	import java.util.ArrayList;
31			import java.util.Arrays;
32			import java.util.Collection;
33			import java.util.HashSet;
34			import java.util.List;
35			import java.util.Vector;
36
37			import static java.util.Collections.checkedCollection;
38			import static java.util.Collections.checkedList;
39			import static java.util.Collections.checkedSet;
40	jsr166	1.1
41			@SuppressWarnings("unchecked")
42			public class T6433170 {
43			private void checkEmpty(Collection x) {
44			check(x.isEmpty());
45			check(x.size() == 0);
46			check(x.toArray().length == 0);
47			}
48
49			void test(String[] args) throws Throwable {
50			test(checkedList(
51			checkedList(new ArrayList(), String.class),
52			Object.class));
53			test(checkedSet(
54			checkedSet(new HashSet(), String.class),
55			Object.class));
56			test(checkedCollection(
57			checkedCollection(new Vector(), String.class),
58			Object.class));
59			}
60
61			void test(final Collection checked) {
62			checkEmpty(checked);
63			final List mixedList = Arrays.asList("1", 2, "3");
64			THROWS(ClassCastException.class,
65			new F(){void f(){ checked.addAll(mixedList); }});
66			checkEmpty(checked);
67			}
68
69			//--------------------- Infrastructure ---------------------------
70			volatile int passed = 0, failed = 0;
71			void pass() {passed++;}
72			void fail() {failed++; Thread.dumpStack();}
73			void fail(String msg) {System.err.println(msg); fail();}
74			void unexpected(Throwable t) {failed++; t.printStackTrace();}
75			void check(boolean cond) {if (cond) pass(); else fail();}
76			void equal(Object x, Object y) {
77			if (x == null ? y == null : x.equals(y)) pass();
78			else fail(x + " not equal to " + y);}
79			public static void main(String[] args) throws Throwable {
80			new T6433170().instanceMain(args);}
81			void instanceMain(String[] args) throws Throwable {
82			try {test(args);} catch (Throwable t) {unexpected(t);}
83			System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
84			if (failed > 0) throw new AssertionError("Some tests failed");}
85			abstract class F {abstract void f() throws Throwable;}
86			void THROWS(Class<? extends Throwable> k, F... fs) {
87			for (F f : fs)
88			try {f.f(); fail("Expected " + k.getName() + " not thrown");}
89			catch (Throwable t) {
90			if (k.isAssignableFrom(t.getClass())) pass();
91			else unexpected(t);}}
92			}