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.db4ounit.common.btree.*;
24: import com.db4o.foundation.*;
25: import com.db4o.internal.*;
26:
27: import db4ounit.*;
28:
29: public class TreeKeyIteratorTestCase implements TestCase {
30:
31: public static void main(String[] args) {
32: new TestRunner(TreeKeyIteratorTestCase.class).run();
33: }
34:
35: private static int[] VALUES = new int[] { 1, 3, 5, 7, 9, 10, 11,
36: 13, 24, 76 };
37:
38: public void testIterate() {
39: for (int i = 1; i <= VALUES.length; i++) {
40: assertIterateValues(VALUES, i);
41: }
42: }
43:
44: public void testMoveNextAfterCompletion() {
45: Iterator4 i = new TreeKeyIterator(createTree(VALUES));
46: while (i.moveNext()) {
47:
48: }
49: Assert.isFalse(i.moveNext());
50: }
51:
52: private void assertIterateValues(int[] values, int count) {
53: int[] testValues = new int[count];
54: System.arraycopy(values, 0, testValues, 0, count);
55: assertIterateValues(testValues);
56: }
57:
58: private void assertIterateValues(int[] values) {
59: ExpectingVisitor expectingVisitor = new ExpectingVisitor(
60: IntArrays4.toObjectArray(values), true, false);
61: Iterator4 i = new TreeKeyIterator(createTree(values));
62: while (i.moveNext()) {
63: expectingVisitor.visit(i.current());
64: }
65: expectingVisitor.assertExpectations();
66: }
67:
68: private Tree createTree(int[] values) {
69: Tree tree = new TreeInt(values[0]);
70: for (int i = 1; i < values.length; i++) {
71: tree = tree.add(new TreeInt(values[i]));
72: }
73: return tree;
74: }
75:
76: public void testEmpty() {
77: Iterator4 i = new TreeKeyIterator(null);
78: Assert.isFalse(i.moveNext());
79: }
80:
81: }
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