01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.db4ounit.common.foundation;
22:
23: import com.db4o.foundation.*;
24:
25: import db4ounit.*;
26:
27: /**
28: * @exclude
29: */
30: public class Iterable4AdaptorTestCase implements TestCase {
31:
32: public void testEmptyIterator() {
33: final Iterable4Adaptor adaptor = newAdaptor(new int[] {});
34:
35: Assert.isFalse(adaptor.hasNext());
36: Assert.isFalse(adaptor.hasNext());
37:
38: Assert.expect(IllegalStateException.class, new CodeBlock() {
39: public void run() throws Throwable {
40: adaptor.next();
41: }
42: });
43: }
44:
45: public void testHasNext() {
46: final int[] expected = new int[] { 1, 2, 3 };
47: final Iterable4Adaptor adaptor = newAdaptor(expected);
48: for (int i = 0; i < expected.length; i++) {
49: assertHasNext(adaptor);
50: Assert.areEqual(new Integer(expected[i]), adaptor.next());
51: }
52: Assert.isFalse(adaptor.hasNext());
53: }
54:
55: public void testNext() {
56: final int[] expected = new int[] { 1, 2, 3 };
57: final Iterable4Adaptor adaptor = newAdaptor(expected);
58: for (int i = 0; i < expected.length; i++) {
59: Assert.areEqual(new Integer(expected[i]), adaptor.next());
60: }
61: Assert.isFalse(adaptor.hasNext());
62: }
63:
64: private Iterable4Adaptor newAdaptor(final int[] expected) {
65: return new Iterable4Adaptor(newIterable(expected));
66: }
67:
68: private void assertHasNext(final Iterable4Adaptor adaptor) {
69: for (int i = 0; i < 10; ++i) {
70: Assert.isTrue(adaptor.hasNext());
71: }
72: }
73:
74: private Iterable4 newIterable(int[] values) {
75: final Collection4 collection = new Collection4();
76: collection.addAll(IntArrays4.toObjectArray(values));
77: return collection;
78: }
79: }
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