2 * Copyright 2008 ZXing authors
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 org.junit.Assert;
20 import org.junit.Test;
25 public final class VersionTestCase extends Assert {
28 public void testVersionForNumber() {
30 Version.getVersionForNumber(0);
31 fail("Should have thrown an exception");
32 } catch (IllegalArgumentException iae) {
35 for (int i = 1; i <= 40; i++) {
36 checkVersion(Version.getVersionForNumber(i), i, 4*i + 17);
40 private static void checkVersion(Version version, int number, int dimension) {
41 assertNotNull(version);
42 assertEquals(number, version.getVersionNumber());
43 assertNotNull(version.getAlignmentPatternCenters());
45 assertTrue(version.getAlignmentPatternCenters().length > 0);
47 assertEquals(dimension, version.getDimensionForVersion());
48 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.H));
49 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.L));
50 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.M));
51 assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel.Q));
52 assertNotNull(version.buildFunctionPattern());
56 public void testGetProvisionalVersionForDimension() throws Exception {
57 for (int i = 1; i <= 40; i++) {
58 assertEquals(i, Version.getProvisionalVersionForDimension(4*i + 17).getVersionNumber());
63 public void testDecodeVersionInformation() {
65 assertEquals(7, Version.decodeVersionInformation(0x07C94).getVersionNumber());
66 assertEquals(12, Version.decodeVersionInformation(0x0C762).getVersionNumber());
67 assertEquals(17, Version.decodeVersionInformation(0x1145D).getVersionNumber());
68 assertEquals(22, Version.decodeVersionInformation(0x168C9).getVersionNumber());
69 assertEquals(27, Version.decodeVersionInformation(0x1B08E).getVersionNumber());
70 assertEquals(32, Version.decodeVersionInformation(0x209D5).getVersionNumber());