2 * Copyright 2008 Google Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.qrcode.decoder;
19 import com.google.zxing.ReaderException;
20 import junit.framework.TestCase;
23 * @author srowen@google.com (Sean Owen)
25 public final class VersionTestCase extends TestCase {
27 public void testVersionForNumber() throws ReaderException {
29 Version.getVersionForNumber(0);
30 fail("Should have thrown an exception");
31 } catch (ReaderException re) {
34 for (int i = 1; i <= 40; i++) {
35 checkVersion(Version.getVersionForNumber(i), i, 4*i + 17);
39 private static void checkVersion(Version version, int number, int dimension) {
40 assertNotNull(version);
41 assertEquals(number, version.getVersionNumber());
42 assertNotNull(version.getAlignmentPatternCenters());
44 assertTrue(version.getAlignmentPatternCenters().length > 0);
46 assertEquals(dimension, version.getDimensionForVersion());
47 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.H));
48 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.L));
49 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.M));
50 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.Q));
51 assertNotNull(version.buildFunctionPattern());
54 public void testGetProvisionalVersionForDimension() throws ReaderException {
55 for (int i = 1; i <= 40; i++) {
56 assertEquals(i, Version.getProvisionalVersionForDimension(4*i + 17).getVersionNumber());
60 public void testDecodeVersionInformation() throws ReaderException {
62 assertEquals(7, Version.decodeVersionInformation(0x07C94).getVersionNumber());
63 assertEquals(12, Version.decodeVersionInformation(0x0C762).getVersionNumber());
64 assertEquals(17, Version.decodeVersionInformation(0x1145D).getVersionNumber());
65 assertEquals(22, Version.decodeVersionInformation(0x168C9).getVersionNumber());
66 assertEquals(27, Version.decodeVersionInformation(0x1B08E).getVersionNumber());
67 assertEquals(32, Version.decodeVersionInformation(0x209D5).getVersionNumber());