mirror of
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moved java files for pre-convert
This commit is contained in:
Henry Schimke
603
java_test/java/com/google/zxing/aztec/encoder/EncoderTest.java
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603
java_test/java/com/google/zxing/aztec/encoder/EncoderTest.java
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@@ -0,0 +1,603 @@
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/*
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* Copyright 2013 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.zxing.aztec.encoder;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.EncodeHintType;
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import com.google.zxing.FormatException;
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import com.google.zxing.ResultPoint;
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import com.google.zxing.aztec.AztecDetectorResult;
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import com.google.zxing.aztec.AztecWriter;
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import com.google.zxing.aztec.decoder.Decoder;
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import com.google.zxing.common.BitArray;
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import com.google.zxing.common.BitMatrix;
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import com.google.zxing.common.DecoderResult;
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import org.junit.Assert;
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import org.junit.Test;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.util.EnumMap;
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import java.util.Map;
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import java.util.Random;
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import java.util.regex.Pattern;
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/**
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* Aztec 2D generator unit tests.
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*
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* @author Rustam Abdullaev
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* @author Frank Yellin
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*/
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public final class EncoderTest extends Assert {
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private static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
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private static final Charset UTF_8 = StandardCharsets.UTF_8;
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private static final Charset SHIFT_JIS = Charset.forName("Shift_JIS");
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private static final Charset ISO_8859_15 = Charset.forName("ISO-8859-15");
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private static final Charset WINDOWS_1252 = Charset.forName("Windows-1252");
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private static final Pattern DOTX = Pattern.compile("[^.X]");
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private static final Pattern SPACES = Pattern.compile("\\s+");
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private static final ResultPoint[] NO_POINTS = new ResultPoint[0];
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// real life tests
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@Test
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public void testEncode1() {
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testEncode("This is an example Aztec symbol for Wikipedia.", true, 3,
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"X X X X X X X X \n" +
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"X X X X X X X X X X \n" +
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"X X X X X X X X X X X \n" +
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"X X X X X X X X X X X \n" +
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" X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X \n" +
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"X X X X X X X X X X \n" +
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" X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X \n" +
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" X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X \n" +
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" X X X \n" +
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" X X X X X X X X X X \n" +
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" X X X X X X X X X X \n");
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}
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@Test
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public void testEncode2() {
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testEncode("Aztec Code is a public domain 2D matrix barcode symbology" +
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" of nominally square symbols built on a square grid with a " +
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"distinctive square bullseye pattern at their center.", false, 6,
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" X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X X X X X X X X X \n" +
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" X X X X X X X X X X X X X X X X \n" +
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"X X X X X X X X X X X X X \n");
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}
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@Test
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public void testAztecWriter() throws Exception {
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testWriter("Espa\u00F1ol", null, 25, true, 1); // Without ECI (implicit ISO-8859-1)
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testWriter("Espa\u00F1ol", ISO_8859_1, 25, true, 1); // Explicit ISO-8859-1
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testWriter("\u20AC 1 sample data.", WINDOWS_1252, 25, true, 2); // ISO-8859-1 can't encode Euro; Windows-1252 can
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testWriter("\u20AC 1 sample data.", ISO_8859_15, 25, true, 2);
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testWriter("\u20AC 1 sample data.", UTF_8, 25, true, 2);
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testWriter("\u20AC 1 sample data.", UTF_8, 100, true, 3);
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testWriter("\u20AC 1 sample data.", UTF_8, 300, true, 4);
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testWriter("\u20AC 1 sample data.", UTF_8, 500, false, 5);
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testWriter("The capital of Japan is named \u6771\u4EAC.", SHIFT_JIS, 25, true, 3);
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// Test AztecWriter defaults
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String data = "In ut magna vel mauris malesuada";
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AztecWriter writer = new AztecWriter();
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BitMatrix matrix = writer.encode(data, BarcodeFormat.AZTEC, 0, 0);
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AztecCode aztec = Encoder.encode(data,
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Encoder.DEFAULT_EC_PERCENT, Encoder.DEFAULT_AZTEC_LAYERS);
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BitMatrix expectedMatrix = aztec.getMatrix();
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assertEquals(matrix, expectedMatrix);
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}
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// synthetic tests (encode-decode round-trip)
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@Test
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public void testEncodeDecode1() throws Exception {
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testEncodeDecode("Abc123!", true, 1);
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}
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@Test
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public void testEncodeDecode2() throws Exception {
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testEncodeDecode("Lorem ipsum. http://test/", true, 2);
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}
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@Test
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public void testEncodeDecode3() throws Exception {
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testEncodeDecode("AAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAAN", true, 3);
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}
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@Test
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public void testEncodeDecode4() throws Exception {
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testEncodeDecode("http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384", true, 4);
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}
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@Test
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public void testEncodeDecode5() throws Exception {
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testEncodeDecode("http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384756<>/?abc"
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+ "Four score and seven our forefathers brought forth", false, 5);
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}
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@Test
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public void testEncodeDecode10() throws Exception {
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testEncodeDecode("In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" +
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" cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" +
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" est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" +
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" auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" +
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" ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" +
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" elementum sapien dolor et diam.", false, 10);
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}
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@Test
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public void testEncodeDecode23() throws Exception {
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testEncodeDecode("In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" +
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" cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" +
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" est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" +
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" auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" +
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" ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" +
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" elementum sapien dolor et diam. Donec ac nunc sodales elit placerat eleifend." +
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" Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra fringilla, risus" +
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" justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo diam, lobortis eu" +
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" tristique ac, p.In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus" +
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" quis diam cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec" +
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" laoreet rutrum est, nec convallis mauris condimentum sit amet. Phasellus gravida," +
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" justo et congue auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec" +
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" lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar" +
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" nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit placerat" +
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" eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra" +
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" fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo" +
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" diam, lobortis eu tristique ac, p. In ut magna vel mauris malesuada dictum. Nulla" +
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" ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" +
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" sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." +
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" Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget hendrerit" +
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" felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo" +
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" erat pulvinar nisi, id elementum sapien dolor et diam.", false, 23);
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}
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@Test
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public void testEncodeDecode31() throws Exception {
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testEncodeDecode("In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" +
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" cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" +
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" est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" +
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" auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" +
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" ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" +
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" elementum sapien dolor et diam. Donec ac nunc sodales elit placerat eleifend." +
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" Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra fringilla, risus" +
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" justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo diam, lobortis eu" +
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" tristique ac, p.In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus" +
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" quis diam cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec" +
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" laoreet rutrum est, nec convallis mauris condimentum sit amet. Phasellus gravida," +
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" justo et congue auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec" +
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" lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar" +
|
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" nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit placerat" +
|
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" eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra" +
|
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" fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo" +
|
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" diam, lobortis eu tristique ac, p. In ut magna vel mauris malesuada dictum. Nulla" +
|
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" ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" +
|
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" sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." +
|
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" Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget hendrerit" +
|
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" felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo" +
|
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" erat pulvinar nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit" +
|
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" placerat eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at" +
|
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" pharetra fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est." +
|
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" Ut justo diam, lobortis eu tristique ac, p.In ut magna vel mauris malesuada" +
|
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" dictum. Nulla ullamcorper metus quis diam cursus facilisis. Sed mollis quam id" +
|
||||
" justo rutrum sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum" +
|
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" sit amet. Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat," +
|
||||
" eget hendrerit felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet" +
|
||||
" laoreet, justo erat pulvinar nisi, id elementum sapien dolor et diam. Donec ac" +
|
||||
" nunc sodales elit placerat eleifend. Sed ornare luctus ornare. Vestibulum vehicula," +
|
||||
" massa at pharetra fringilla, risus justo faucibus erat, nec porttitor nibh tellus" +
|
||||
" sed est. Ut justo diam, lobortis eu tris. In ut magna vel mauris malesuada dictum." +
|
||||
" Nulla ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" +
|
||||
" sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." +
|
||||
" Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget" +
|
||||
" hendrerit felis turpis nec lorem.", false, 31);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGenerateModeMessage() {
|
||||
testModeMessage(true, 2, 29, ".X .XXX.. ...X XX.. ..X .XX. .XX.X");
|
||||
testModeMessage(true, 4, 64, "XX XXXXXX .X.. ...X ..XX .X.. XX..");
|
||||
testModeMessage(false, 21, 660, "X.X.. .X.X..X..XX .XXX ..X.. .XXX. .X... ..XXX");
|
||||
testModeMessage(false, 32, 4096, "XXXXX XXXXXXXXXXX X.X. ..... XXX.X ..X.. X.XXX");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStuffBits() {
|
||||
testStuffBits(5, ".X.X. X.X.X .X.X.",
|
||||
".X.X. X.X.X .X.X.");
|
||||
testStuffBits(5, ".X.X. ..... .X.X",
|
||||
".X.X. ....X ..X.X");
|
||||
testStuffBits(3, "XX. ... ... ..X XXX .X. ..",
|
||||
"XX. ..X ..X ..X ..X .XX XX. .X. ..X");
|
||||
testStuffBits(6, ".X.X.. ...... ..X.XX",
|
||||
".X.X.. .....X. ..X.XX XXXX.");
|
||||
testStuffBits(6, ".X.X.. ...... ...... ..X.X.",
|
||||
".X.X.. .....X .....X ....X. X.XXXX");
|
||||
testStuffBits(6, ".X.X.. XXXXXX ...... ..X.XX",
|
||||
".X.X.. XXXXX. X..... ...X.X XXXXX.");
|
||||
testStuffBits(6,
|
||||
"...... ..XXXX X..XX. .X.... .X.X.X .....X .X.... ...X.X .....X ....XX ..X... ....X. X..XXX X.XX.X",
|
||||
".....X ...XXX XX..XX ..X... ..X.X. X..... X.X... ....X. X..... X....X X..X.. .....X X.X..X XXX.XX .XXXXX");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHighLevelEncode() throws FormatException {
|
||||
testHighLevelEncodeString("A. b.",
|
||||
// 'A' P/S '. ' L/L b D/L '.'
|
||||
"...X. ..... ...XX XXX.. ...XX XXXX. XX.X");
|
||||
testHighLevelEncodeString("Lorem ipsum.",
|
||||
// 'L' L/L 'o' 'r' 'e' 'm' ' ' 'i' 'p' 's' 'u' 'm' D/L '.'
|
||||
".XX.X XXX.. X.... X..XX ..XX. .XXX. ....X .X.X. X...X X.X.. X.XX. .XXX. XXXX. XX.X");
|
||||
testHighLevelEncodeString("Lo. Test 123.",
|
||||
// 'L' L/L 'o' P/S '. ' U/S 'T' 'e' 's' 't' D/L ' ' '1' '2' '3' '.'
|
||||
".XX.X XXX.. X.... ..... ...XX XXX.. X.X.X ..XX. X.X.. X.X.X XXXX. ...X ..XX .X.. .X.X XX.X");
|
||||
testHighLevelEncodeString("Lo...x",
|
||||
// 'L' L/L 'o' D/L '.' '.' '.' U/L L/L 'x'
|
||||
".XX.X XXX.. X.... XXXX. XX.X XX.X XX.X XXX. XXX.. XX..X");
|
||||
testHighLevelEncodeString(". x://abc/.",
|
||||
//P/S '. ' L/L 'x' P/S ':' P/S '/' P/S '/' 'a' 'b' 'c' P/S '/' D/L '.'
|
||||
"..... ...XX XXX.. XX..X ..... X.X.X ..... X.X.. ..... X.X.. ...X. ...XX ..X.. ..... X.X.. XXXX. XX.X");
|
||||
// Uses Binary/Shift rather than Lower/Shift to save two bits.
|
||||
testHighLevelEncodeString("ABCdEFG",
|
||||
//'A' 'B' 'C' B/S =1 'd' 'E' 'F' 'G'
|
||||
"...X. ...XX ..X.. XXXXX ....X .XX..X.. ..XX. ..XXX .X...");
|
||||
|
||||
testHighLevelEncodeString(
|
||||
// Found on an airline boarding pass. Several stretches of Binary shift are
|
||||
// necessary to keep the bitcount so low.
|
||||
"09 UAG ^160MEUCIQC0sYS/HpKxnBELR1uB85R20OoqqwFGa0q2uEi"
|
||||
+ "Ygh6utAIgLl1aBVM4EOTQtMQQYH9M2Z3Dp4qnA/fwWuQ+M8L3V8U=",
|
||||
823);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHighLevelEncodeBinary() throws FormatException {
|
||||
// binary short form single byte
|
||||
testHighLevelEncodeString("N\0N",
|
||||
// 'N' B/S =1 '\0' N
|
||||
".XXXX XXXXX ....X ........ .XXXX"); // Encode "N" in UPPER
|
||||
|
||||
testHighLevelEncodeString("N\0n",
|
||||
// 'N' B/S =2 '\0' 'n'
|
||||
".XXXX XXXXX ...X. ........ .XX.XXX."); // Encode "n" in BINARY
|
||||
|
||||
// binary short form consecutive bytes
|
||||
testHighLevelEncodeString("N\0\u0080 A",
|
||||
// 'N' B/S =2 '\0' \u0080 ' ' 'A'
|
||||
".XXXX XXXXX ...X. ........ X....... ....X ...X.");
|
||||
|
||||
// binary skipping over single character
|
||||
testHighLevelEncodeString("\0a\u00FF\u0080 A",
|
||||
// B/S =4 '\0' 'a' '\3ff' '\200' ' ' 'A'
|
||||
"XXXXX ..X.. ........ .XX....X XXXXXXXX X....... ....X ...X.");
|
||||
|
||||
// getting into binary mode from digit mode
|
||||
testHighLevelEncodeString("1234\0",
|
||||
//D/L '1' '2' '3' '4' U/L B/S =1 \0
|
||||
"XXXX. ..XX .X.. .X.X .XX. XXX. XXXXX ....X ........"
|
||||
);
|
||||
|
||||
// Create a string in which every character requires binary
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (int i = 0; i <= 3000; i++) {
|
||||
sb.append((char) (128 + (i % 30)));
|
||||
}
|
||||
// Test the output generated by Binary/Switch, particularly near the
|
||||
// places where the encoding changes: 31, 62, and 2047+31=2078
|
||||
for (int i : new int[] { 1, 2, 3, 10, 29, 30, 31, 32, 33,
|
||||
60, 61, 62, 63, 64, 2076, 2077, 2078, 2079, 2080, 2100 }) {
|
||||
// This is the expected length of a binary string of length "i"
|
||||
int expectedLength = (8 * i) +
|
||||
((i <= 31) ? 10 : (i <= 62) ? 20 : (i <= 2078) ? 21 : 31);
|
||||
// Verify that we are correct about the length.
|
||||
testHighLevelEncodeString(sb.substring(0, i), expectedLength);
|
||||
if (i != 1 && i != 32 && i != 2079) {
|
||||
// The addition of an 'a' at the beginning or end gets merged into the binary code
|
||||
// in those cases where adding another binary character only adds 8 or 9 bits to the result.
|
||||
// So we exclude the border cases i=1,32,2079
|
||||
// A lower case letter at the beginning will be merged into binary mode
|
||||
testHighLevelEncodeString('a' + sb.substring(0, i - 1), expectedLength);
|
||||
// A lower case letter at the end will also be merged into binary mode
|
||||
testHighLevelEncodeString(sb.substring(0, i - 1) + 'a', expectedLength);
|
||||
}
|
||||
// A lower case letter at both ends will enough to latch us into LOWER.
|
||||
testHighLevelEncodeString('a' + sb.substring(0, i) + 'b', expectedLength + 15);
|
||||
}
|
||||
|
||||
sb = new StringBuilder();
|
||||
for (int i = 0; i < 32; i++) {
|
||||
sb.append('§'); // § forces binary encoding
|
||||
}
|
||||
sb.setCharAt(1, 'A');
|
||||
// expect B/S(1) A B/S(30)
|
||||
testHighLevelEncodeString(sb.toString(), 5 + 20 + 31 * 8);
|
||||
|
||||
sb = new StringBuilder();
|
||||
for (int i = 0; i < 31; i++) {
|
||||
sb.append('§');
|
||||
}
|
||||
sb.setCharAt(1, 'A');
|
||||
// expect B/S(31)
|
||||
testHighLevelEncodeString(sb.toString(), 10 + 31 * 8);
|
||||
|
||||
sb = new StringBuilder();
|
||||
for (int i = 0; i < 34; i++) {
|
||||
sb.append('§');
|
||||
}
|
||||
sb.setCharAt(1, 'A');
|
||||
// expect B/S(31) B/S(3)
|
||||
testHighLevelEncodeString(sb.toString(), 20 + 34 * 8);
|
||||
|
||||
sb = new StringBuilder();
|
||||
for (int i = 0; i < 64; i++) {
|
||||
sb.append('§');
|
||||
}
|
||||
sb.setCharAt(30, 'A');
|
||||
// expect B/S(64)
|
||||
testHighLevelEncodeString(sb.toString(), 21 + 64 * 8);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHighLevelEncodePairs() throws FormatException {
|
||||
// Typical usage
|
||||
testHighLevelEncodeString("ABC. DEF\r\n",
|
||||
// A B C P/S .<sp> D E F P/S \r\n
|
||||
"...X. ...XX ..X.. ..... ...XX ..X.X ..XX. ..XXX ..... ...X.");
|
||||
|
||||
// We should latch to PUNCT mode, rather than shift. Also check all pairs
|
||||
testHighLevelEncodeString("A. : , \r\n",
|
||||
// 'A' M/L P/L ". " ": " ", " "\r\n"
|
||||
"...X. XXX.X XXXX. ...XX ..X.X ..X.. ...X.");
|
||||
|
||||
// Latch to DIGIT rather than shift to PUNCT
|
||||
testHighLevelEncodeString("A. 1234",
|
||||
// 'A' D/L '.' ' ' '1' '2' '3' '4'
|
||||
"...X. XXXX. XX.X ...X ..XX .X.. .X.X .X X.");
|
||||
// Don't bother leaving Binary Shift.
|
||||
testHighLevelEncodeString("A\200. \200",
|
||||
// 'A' B/S =2 \200 "." " " \200
|
||||
"...X. XXXXX ..X.. X....... ..X.XXX. ..X..... X.......");
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void testUserSpecifiedLayers() {
|
||||
doTestUserSpecifiedLayers(33);
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void testUserSpecifiedLayers2() {
|
||||
doTestUserSpecifiedLayers(-1);
|
||||
}
|
||||
|
||||
private void doTestUserSpecifiedLayers(int userSpecifiedLayers) {
|
||||
String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
||||
AztecCode aztec = Encoder.encode(alphabet, 25, -2);
|
||||
assertEquals(2, aztec.getLayers());
|
||||
assertTrue(aztec.isCompact());
|
||||
|
||||
aztec = Encoder.encode(alphabet, 25, 32);
|
||||
assertEquals(32, aztec.getLayers());
|
||||
assertFalse(aztec.isCompact());
|
||||
|
||||
Encoder.encode(alphabet, 25, userSpecifiedLayers);
|
||||
}
|
||||
|
||||
@Test(expected = IllegalArgumentException.class)
|
||||
public void testBorderCompact4CaseFailed() {
|
||||
// Compact(4) con hold 608 bits of information, but at most 504 can be data. Rest must
|
||||
// be error correction
|
||||
String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
||||
// encodes as 26 * 5 * 4 = 520 bits of data
|
||||
String alphabet4 = alphabet + alphabet + alphabet + alphabet;
|
||||
Encoder.encode(alphabet4, 0, -4);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testBorderCompact4Case() {
|
||||
// Compact(4) con hold 608 bits of information, but at most 504 can be data. Rest must
|
||||
// be error correction
|
||||
String alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
||||
// encodes as 26 * 5 * 4 = 520 bits of data
|
||||
String alphabet4 = alphabet + alphabet + alphabet + alphabet;
|
||||
|
||||
// If we just try to encode it normally, it will go to a non-compact 4 layer
|
||||
AztecCode aztecCode = Encoder.encode(alphabet4, 0, Encoder.DEFAULT_AZTEC_LAYERS);
|
||||
assertFalse(aztecCode.isCompact());
|
||||
assertEquals(4, aztecCode.getLayers());
|
||||
|
||||
// But shortening the string to 100 bytes (500 bits of data), compact works fine, even if we
|
||||
// include more error checking.
|
||||
aztecCode = Encoder.encode(alphabet4.substring(0, 100), 10, Encoder.DEFAULT_AZTEC_LAYERS);
|
||||
assertTrue(aztecCode.isCompact());
|
||||
assertEquals(4, aztecCode.getLayers());
|
||||
}
|
||||
|
||||
// Helper routines
|
||||
|
||||
private static void testEncode(String data, boolean compact, int layers, String expected) {
|
||||
AztecCode aztec = Encoder.encode(data, 33, Encoder.DEFAULT_AZTEC_LAYERS);
|
||||
assertEquals("Unexpected symbol format (compact)", compact, aztec.isCompact());
|
||||
assertEquals("Unexpected nr. of layers", layers, aztec.getLayers());
|
||||
BitMatrix matrix = aztec.getMatrix();
|
||||
assertEquals("encode() failed", expected, matrix.toString());
|
||||
}
|
||||
|
||||
private static void testEncodeDecode(String data, boolean compact, int layers) throws Exception {
|
||||
AztecCode aztec = Encoder.encode(data, 25, Encoder.DEFAULT_AZTEC_LAYERS);
|
||||
assertEquals("Unexpected symbol format (compact)", compact, aztec.isCompact());
|
||||
assertEquals("Unexpected nr. of layers", layers, aztec.getLayers());
|
||||
BitMatrix matrix = aztec.getMatrix();
|
||||
AztecDetectorResult r =
|
||||
new AztecDetectorResult(matrix, NO_POINTS, aztec.isCompact(), aztec.getCodeWords(), aztec.getLayers());
|
||||
DecoderResult res = new Decoder().decode(r);
|
||||
assertEquals(data, res.getText());
|
||||
// Check error correction by introducing a few minor errors
|
||||
Random random = getPseudoRandom();
|
||||
matrix.flip(random.nextInt(matrix.getWidth()), random.nextInt(2));
|
||||
matrix.flip(random.nextInt(matrix.getWidth()), matrix.getHeight() - 2 + random.nextInt(2));
|
||||
matrix.flip(random.nextInt(2), random.nextInt(matrix.getHeight()));
|
||||
matrix.flip(matrix.getWidth() - 2 + random.nextInt(2), random.nextInt(matrix.getHeight()));
|
||||
r = new AztecDetectorResult(matrix, NO_POINTS, aztec.isCompact(), aztec.getCodeWords(), aztec.getLayers());
|
||||
res = new Decoder().decode(r);
|
||||
assertEquals(data, res.getText());
|
||||
}
|
||||
|
||||
private static void testWriter(String data,
|
||||
Charset charset,
|
||||
int eccPercent,
|
||||
boolean compact,
|
||||
int layers) throws FormatException {
|
||||
// Perform an encode-decode round-trip because it can be lossy.
|
||||
Map<EncodeHintType,Object> hints = new EnumMap<>(EncodeHintType.class);
|
||||
if (null != charset) {
|
||||
hints.put(EncodeHintType.CHARACTER_SET, charset.name());
|
||||
}
|
||||
hints.put(EncodeHintType.ERROR_CORRECTION, eccPercent);
|
||||
AztecWriter writer = new AztecWriter();
|
||||
BitMatrix matrix = writer.encode(data, BarcodeFormat.AZTEC, 0, 0, hints);
|
||||
AztecCode aztec = Encoder.encode(data, eccPercent,
|
||||
Encoder.DEFAULT_AZTEC_LAYERS, charset);
|
||||
assertEquals("Unexpected symbol format (compact)", compact, aztec.isCompact());
|
||||
assertEquals("Unexpected nr. of layers", layers, aztec.getLayers());
|
||||
BitMatrix matrix2 = aztec.getMatrix();
|
||||
assertEquals(matrix, matrix2);
|
||||
AztecDetectorResult r =
|
||||
new AztecDetectorResult(matrix, NO_POINTS, aztec.isCompact(), aztec.getCodeWords(), aztec.getLayers());
|
||||
DecoderResult res = new Decoder().decode(r);
|
||||
assertEquals(data, res.getText());
|
||||
// Check error correction by introducing up to eccPercent/2 errors
|
||||
int ecWords = aztec.getCodeWords() * eccPercent / 100 / 2;
|
||||
Random random = getPseudoRandom();
|
||||
for (int i = 0; i < ecWords; i++) {
|
||||
// don't touch the core
|
||||
int x = random.nextBoolean() ?
|
||||
random.nextInt(aztec.getLayers() * 2)
|
||||
: matrix.getWidth() - 1 - random.nextInt(aztec.getLayers() * 2);
|
||||
int y = random.nextBoolean() ?
|
||||
random.nextInt(aztec.getLayers() * 2)
|
||||
: matrix.getHeight() - 1 - random.nextInt(aztec.getLayers() * 2);
|
||||
matrix.flip(x, y);
|
||||
}
|
||||
r = new AztecDetectorResult(matrix, NO_POINTS, aztec.isCompact(), aztec.getCodeWords(), aztec.getLayers());
|
||||
res = new Decoder().decode(r);
|
||||
assertEquals(data, res.getText());
|
||||
}
|
||||
|
||||
private static Random getPseudoRandom() {
|
||||
return new Random(0xDEADBEEF);
|
||||
}
|
||||
|
||||
private static void testModeMessage(boolean compact, int layers, int words, String expected) {
|
||||
BitArray in = Encoder.generateModeMessage(compact, layers, words);
|
||||
assertEquals("generateModeMessage() failed", stripSpace(expected), stripSpace(in.toString()));
|
||||
}
|
||||
|
||||
private static void testStuffBits(int wordSize, String bits, String expected) {
|
||||
BitArray in = toBitArray(bits);
|
||||
BitArray stuffed = Encoder.stuffBits(in, wordSize);
|
||||
assertEquals("stuffBits() failed for input string: " + bits,
|
||||
stripSpace(expected), stripSpace(stuffed.toString()));
|
||||
}
|
||||
|
||||
public static BitArray toBitArray(CharSequence bits) {
|
||||
BitArray in = new BitArray();
|
||||
char[] str = DOTX.matcher(bits).replaceAll("").toCharArray();
|
||||
for (char aStr : str) {
|
||||
in.appendBit(aStr == 'X');
|
||||
}
|
||||
return in;
|
||||
}
|
||||
|
||||
public static boolean[] toBooleanArray(BitArray bitArray) {
|
||||
boolean[] result = new boolean[bitArray.getSize()];
|
||||
for (int i = 0; i < result.length; i++) {
|
||||
result[i] = bitArray.get(i);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
private static void testHighLevelEncodeString(String s, String expectedBits) throws FormatException {
|
||||
BitArray bits = new HighLevelEncoder(s.getBytes(StandardCharsets.ISO_8859_1)).encode();
|
||||
String receivedBits = stripSpace(bits.toString());
|
||||
assertEquals("highLevelEncode() failed for input string: " + s, stripSpace(expectedBits), receivedBits);
|
||||
assertEquals(s, Decoder.highLevelDecode(toBooleanArray(bits)));
|
||||
}
|
||||
|
||||
private static void testHighLevelEncodeString(String s, int expectedReceivedBits) throws FormatException {
|
||||
BitArray bits = new HighLevelEncoder(s.getBytes(StandardCharsets.ISO_8859_1)).encode();
|
||||
int receivedBitCount = stripSpace(bits.toString()).length();
|
||||
assertEquals("highLevelEncode() failed for input string: " + s,
|
||||
expectedReceivedBits, receivedBitCount);
|
||||
assertEquals(s, Decoder.highLevelDecode(toBooleanArray(bits)));
|
||||
}
|
||||
|
||||
public static String stripSpace(String s) {
|
||||
return SPACES.matcher(s).replaceAll("");
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user