mirror of
https://github.com/starovoid/rxing.git
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227 lines
11 KiB
Java
227 lines
11 KiB
Java
/*
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* Copyright 2014 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.decoder;
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import com.google.zxing.aztec.encoder.EncoderTest;
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import com.google.zxing.FormatException;
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import com.google.zxing.RXingResultPoint;
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import com.google.zxing.aztec.AztecDetectorRXingResult;
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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.DecoderRXingResult;
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import org.junit.Test;
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import org.junit.Assert;
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/**
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* Tests {@link Decoder}.
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*/
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public final class DecoderTest extends Assert {
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private static final RXingResultPoint[] NO_POINTS = new RXingResultPoint[0];
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@Test
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public void testHighLevelDecode() throws FormatException {
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// no ECI codes
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testHighLevelDecodeString("A. b.",
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// 'A' P/S '. ' L/L b D/L '.'
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"...X. ..... ...XX XXX.. ...XX XXXX. XX.X");
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// initial ECI code 26 (switch to UTF-8)
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testHighLevelDecodeString("Ça",
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// P/S FLG(n) 2 '2' '6' B/S 2 0xc3 0x87 L/L 'a'
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"..... ..... .X. .X.. X... XXXXX ...X. XX....XX X....XXX XXX.. ...X.");
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// initial character without ECI (must be interpreted as ISO_8859_1)
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// followed by ECI code 26 (= UTF-8) and UTF-8 text
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testHighLevelDecodeString("±Ça",
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// B/S 1 0xb1 P/S FLG(n) 2 '2' '6' B/S 2 0xc3 0x87 L/L 'a'
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"XXXXX ....X X.XX...X ..... ..... .X. .X.. X... XXXXX ...X. XX....XX X....XXX XXX.. ...X.");
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// GS1 data
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testHighLevelDecodeString(" 10123 3742",
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// P/S FLG(n) 0 D/L 1 0 1 2 3 P/S FLG(n) 0 3 7 4 2
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"..... ..... ... XXXX. ..XX ..X. ..XX .X.. .X.X .... ..... ... .X.X X..X .XX. .X..");
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}
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private static void testHighLevelDecodeString(String expectedString, String b) throws FormatException {
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BitArray bits = EncoderTest.toBitArray(EncoderTest.stripSpace(b));
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assertEquals("highLevelDecode() failed for input bits: " + b,
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expectedString, Decoder.highLevelDecode(EncoderTest.toBooleanArray(bits)));
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}
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@Test
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public void testAztecRXingResult() throws FormatException {
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BitMatrix matrix = BitMatrix.parse(
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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 \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 \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 X X \n" +
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" 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 \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 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 \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 \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 X X X \n" +
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"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 \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 \n",
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"X ", " ");
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AztecDetectorRXingResult r = new AztecDetectorRXingResult(matrix, NO_POINTS, false, 30, 2);
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DecoderRXingResult result = new Decoder().decode(r);
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assertEquals("88888TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT", result.getText());
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assertArrayEquals(
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new byte[] {-11, 85, 85, 117, 107, 90, -42, -75, -83, 107,
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90, -42, -75, -83, 107, 90, -42, -75, -83, 107,
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90, -42, -80},
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result.getRawBytes());
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assertEquals(180, result.getNumBits());
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}
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@Test
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public void testAztecRXingResultECI() throws FormatException {
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BitMatrix matrix = BitMatrix.parse(
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" 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 \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 \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 \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 \n" +
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" X X X X X X X X X \n" +
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"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 \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 \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 \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 ", " ");
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AztecDetectorRXingResult r = new AztecDetectorRXingResult(matrix, NO_POINTS, false, 15, 1);
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DecoderRXingResult result = new Decoder().decode(r);
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assertEquals("Français", result.getText());
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}
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@Test(expected = FormatException.class)
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public void testDecodeTooManyErrors() throws FormatException {
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BitMatrix matrix = BitMatrix.parse(""
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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 \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 \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 . . . \n"
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+ "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 . \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 . \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 \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 \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 \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 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 . \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 . \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 . \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 . . . \n",
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"X ", ". ");
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AztecDetectorRXingResult r = new AztecDetectorRXingResult(matrix, NO_POINTS, true, 16, 4);
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new Decoder().decode(r);
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}
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@Test(expected = FormatException.class)
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public void testDecodeTooManyErrors2() throws FormatException {
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BitMatrix matrix = BitMatrix.parse(""
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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 . 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 \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 . \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 . 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 . \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 \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 \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 \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 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 . . . \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 . \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 . \n"
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+ "X X . . . X X . . X . X . . . . X X . X . . X . X . X \n",
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"X ", ". ");
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AztecDetectorRXingResult r = new AztecDetectorRXingResult(matrix, NO_POINTS, true, 16, 4);
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new Decoder().decode(r);
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}
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@Test
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public void testRawBytes() {
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boolean[] bool0 = {};
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boolean[] bool1 = { true };
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boolean[] bool7 = { true, false, true, false, true, false, true };
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boolean[] bool8 = { true, false, true, false, true, false, true, false };
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boolean[] bool9 = { true, false, true, false, true, false, true, false,
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true };
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boolean[] bool16 = { false, true, true, false, false, false, true, true,
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true, true, false, false, false, false, false, true };
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byte[] byte0 = {};
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byte[] byte1 = { -128 };
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byte[] byte7 = { -86 };
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byte[] byte8 = { -86 };
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byte[] byte9 = { -86, -128 };
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byte[] byte16 = { 99, -63 };
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assertArrayEquals(byte0, Decoder.convertBoolArrayToByteArray(bool0));
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assertArrayEquals(byte1, Decoder.convertBoolArrayToByteArray(bool1));
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assertArrayEquals(byte7, Decoder.convertBoolArrayToByteArray(bool7));
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assertArrayEquals(byte8, Decoder.convertBoolArrayToByteArray(bool8));
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assertArrayEquals(byte9, Decoder.convertBoolArrayToByteArray(bool9));
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assertArrayEquals(byte16, Decoder.convertBoolArrayToByteArray(bool16));
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}
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}
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