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Further enhance tests for QRcode encoder

This commit is contained in:
favoritas37 2016-08-01 18:36:01 +03:00
parent 18d1cc106a
commit 2db02dffee
4 changed files with 266 additions and 61 deletions
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10
src/zxing/zxing/qrcode/encoder/QREncoder.cpp
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@ -351,8 +351,14 @@ BitArray* Encoder::interleaveWithECBytes(const BitArray& bits,
{ {
// "bits" must have "getNumDataBytes" bytes of data. // "bits" must have "getNumDataBytes" bytes of data.
if (bits.getSizeInBytes() != numDataBytes) if (bits.getSizeInBytes() != numDataBytes) {
throw WriterException("Number of bits and data bytes does not match"); QString message("Encoder::interleaveWithECBytes: Number of bits [");
message += QString::number(bits.getSizeInBytes());
message += "] and data bytes [";
message += QString::number(numDataBytes);
message += "] does not match";
throw WriterException( message.toStdString().c_str() );
}
// Step 1. Divide data bytes into blocks and generate error correction bytes for them. We'll // Step 1. Divide data bytes into blocks and generate error correction bytes for them. We'll
// store the divided data bytes blocks and error correction bytes blocks into "blocks". // store the divided data bytes blocks and error correction bytes blocks into "blocks".

2
tests/src/QZXingTests/EncodeValidator.cpp
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@ -36,7 +36,7 @@ void EncodeValidator::execute()
EncoderTests t4; EncoderTests t4;
t4.execute(); t4.execute();
} catch(zxing::Exception &e) { } catch(zxing::Exception &e) {
qDebug() << e.what(); qDebug() << "Exception: " << e.what();
} }
} }

303
tests/src/QZXingTests/zxing/qrcode/encoder/EncoderTests.cpp
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@ -1,5 +1,4 @@
#include "EncoderTests.h" #include "EncoderTests.h"
#include <zxing/qrcode/encoder/Encoder.h>
namespace zxing{ namespace zxing{
namespace qrcode{ namespace qrcode{
@ -18,102 +17,107 @@ void EncoderTests::execute()
testAppendModeInfo(); testAppendModeInfo();
testAppendLengthInfo(); testAppendLengthInfo();
testAppendBytes(); testAppendBytes();
testTerminateBits();
testGetNumDataBytesAndNumECBytesForBlockID();
testInterleaveWithECBytes();
testAppendNumericBytes();
testAppendAlphanumericBytes();
} }
void EncoderTests::testGetAlphanumericCode() void EncoderTests::testGetAlphanumericCode()
{ {
// The first ten code points are numbers. // The first ten code points are numbers.
for (int i = 0; i < 10; ++i) { for (int i = 0; i < 10; ++i) {
assertEquals(i, Encoder::getAlphanumericCode('0' + i)); assertEquals(i, EncoderHack::getAlphanumericCode('0' + i));
} }
// The next 26 code points are capital alphabet letters. // The next 26 code points are capital alphabet letters.
for (int i = 10; i < 36; ++i) { for (int i = 10; i < 36; ++i) {
assertEquals(i, Encoder::getAlphanumericCode('A' + i - 10)); assertEquals(i, EncoderHack::getAlphanumericCode('A' + i - 10));
} }
// Others are symbol letters // Others are symbol letters
assertEquals(36, Encoder::getAlphanumericCode(' ')); assertEquals(36, EncoderHack::getAlphanumericCode(' '));
assertEquals(37, Encoder::getAlphanumericCode('$')); assertEquals(37, EncoderHack::getAlphanumericCode('$'));
assertEquals(38, Encoder::getAlphanumericCode('%')); assertEquals(38, EncoderHack::getAlphanumericCode('%'));
assertEquals(39, Encoder::getAlphanumericCode('*')); assertEquals(39, EncoderHack::getAlphanumericCode('*'));
assertEquals(40, Encoder::getAlphanumericCode('+')); assertEquals(40, EncoderHack::getAlphanumericCode('+'));
assertEquals(41, Encoder::getAlphanumericCode('-')); assertEquals(41, EncoderHack::getAlphanumericCode('-'));
assertEquals(42, Encoder::getAlphanumericCode('.')); assertEquals(42, EncoderHack::getAlphanumericCode('.'));
assertEquals(43, Encoder::getAlphanumericCode('/')); assertEquals(43, EncoderHack::getAlphanumericCode('/'));
assertEquals(44, Encoder::getAlphanumericCode(':')); assertEquals(44, EncoderHack::getAlphanumericCode(':'));
// Should return -1 for other letters; // Should return -1 for other letters;
assertEquals(-1, Encoder::getAlphanumericCode('a')); assertEquals(-1, EncoderHack::getAlphanumericCode('a'));
assertEquals(-1, Encoder::getAlphanumericCode('#')); assertEquals(-1, EncoderHack::getAlphanumericCode('#'));
assertEquals(-1, Encoder::getAlphanumericCode('\0')); assertEquals(-1, EncoderHack::getAlphanumericCode('\0'));
} }
void EncoderTests::testChooseMode() void EncoderTests::testChooseMode()
{ {
// Numeric mode. // Numeric mode.
Mode mode_(Encoder::chooseMode("0")); Mode mode_(EncoderHack::chooseMode("0"));
assertSame(Mode::NUMERIC, mode_); assertSame(Mode::NUMERIC, mode_);
mode_ = Encoder::chooseMode("0123456789"); mode_ = EncoderHack::chooseMode("0123456789");
assertSame(Mode::NUMERIC, mode_); assertSame(Mode::NUMERIC, mode_);
// Alphanumeric mode. // Alphanumeric mode.
mode_ = Encoder::chooseMode("A"); mode_ = EncoderHack::chooseMode("A");
assertSame(Mode::ALPHANUMERIC, mode_); assertSame(Mode::ALPHANUMERIC, mode_);
mode_ = Encoder::chooseMode("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:"); mode_ = EncoderHack::chooseMode("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:");
assertSame(Mode::ALPHANUMERIC, mode_); assertSame(Mode::ALPHANUMERIC, mode_);
// 8-bit byte mode. // 8-bit byte mode.
mode_ = Encoder::chooseMode("a"); mode_ = EncoderHack::chooseMode("a");
assertSame(Mode::BYTE, mode_); assertSame(Mode::BYTE, mode_);
mode_ = Encoder::chooseMode("#"); mode_ = EncoderHack::chooseMode("#");
assertSame(Mode::BYTE, mode_); assertSame(Mode::BYTE, mode_);
mode_ = Encoder::chooseMode(""); mode_ = EncoderHack::chooseMode("");
assertSame(Mode::BYTE, mode_); assertSame(Mode::BYTE, mode_);
// Kanji mode. We used to use MODE_KANJI for these, but we stopped // Kanji mode. We used to use MODE_KANJI for these, but we stopped
// doing that as we cannot distinguish Shift_JIS from other encodings // doing that as we cannot distinguish Shift_JIS from other encodings
// from data bytes alone. See also comments in qrcode_encoder.h. // from data bytes alone. See also comments in qrcode_encoder.h.
// AIUE in Hiragana in Shift_JIS // AIUE in Hiragana in Shift_JIS
// mode_ = Encoder::chooseMode(shiftJISString(new byte[]{0x8, 0xa, 0x8, 0xa, 0x8, 0xa, 0x8, (byte) 0xa6})); // mode_ = EncoderHack::chooseMode(shiftJISString(new byte[]{0x8, 0xa, 0x8, 0xa, 0x8, 0xa, 0x8, (byte) 0xa6}));
// assertSame(Mode::BYTE,mode_); // assertSame(Mode::BYTE,mode_);
// // Nihon in Kanji in Shift_JIS. // // Nihon in Kanji in Shift_JIS.
// mode_ = Encoder::chooseMode(shiftJISString(new byte[]{0x9, 0xf, 0x9, 0x7b})); // mode_ = EncoderHack::chooseMode(shiftJISString(new byte[]{0x9, 0xf, 0x9, 0x7b}));
// assertSame(Mode::BYTE, mode_); // assertSame(Mode::BYTE, mode_);
// // Sou-Utsu-Byou in Kanji in Shift_JIS. // // Sou-Utsu-Byou in Kanji in Shift_JIS.
// mode_ = Encoder::chooseMode(shiftJISString(new byte[]{0xe, 0x4, 0x9, 0x5, 0x9, 0x61})); // mode_ = EncoderHack::chooseMode(shiftJISString(new byte[]{0xe, 0x4, 0x9, 0x5, 0x9, 0x61}));
// assertSame(Mode::BYTE, mode_); // assertSame(Mode::BYTE, mode_);
} }
void EncoderTests::testAppendModeInfo() void EncoderTests::testAppendModeInfo()
{ {
BitArray bits; BitArray bits;
Encoder::appendModeInfo(Mode::NUMERIC, bits); EncoderHack::appendModeInfo(Mode::NUMERIC, bits);
assertEquals(std::string(" ...X"), bits.toString()); assertEquals(" ...X", bits.toString());
} }
void EncoderTests::testAppendLengthInfo() void EncoderTests::testAppendLengthInfo()
{ {
BitArray bits; BitArray bits;
Encoder::appendLengthInfo(1, // 1 letter (1/1). EncoderHack::appendLengthInfo(1, // 1 letter (1/1).
*Version::getVersionForNumber(1), *Version::getVersionForNumber(1),
Mode::NUMERIC, Mode::NUMERIC,
bits); bits);
assertEquals(std::string(" ........ .X"), bits.toString()); // 10 bits. assertEquals(" ........ .X", bits.toString()); // 10 bits.
bits = BitArray(); bits = BitArray();
Encoder::appendLengthInfo(2, // 2 letters (2/1). EncoderHack::appendLengthInfo(2, // 2 letters (2/1).
*Version::getVersionForNumber(10), *Version::getVersionForNumber(10),
Mode::ALPHANUMERIC, Mode::ALPHANUMERIC,
bits); bits);
assertEquals(std::string(" ........ .X."), bits.toString()); // 11 bits. assertEquals(" ........ .X.", bits.toString()); // 11 bits.
bits = BitArray(); bits = BitArray();
Encoder::appendLengthInfo(255, // 255 letter (255/1). EncoderHack::appendLengthInfo(255, // 255 letter (255/1).
*Version::getVersionForNumber(27), *Version::getVersionForNumber(27),
Mode::BYTE, Mode::BYTE,
bits); bits);
assertEquals(std::string(" ........ XXXXXXXX"), bits.toString()); // 16 bits. assertEquals(" ........ XXXXXXXX", bits.toString()); // 16 bits.
// bits = BitArray(); // bits = BitArray();
// Encoder::appendLengthInfo(512, // 512 letters (1024/2). // EncoderHack::appendLengthInfo(512, // 512 letters (1024/2).
// *Version::getVersionForNumber(40), // *Version::getVersionForNumber(40),
// Mode::KANJI, // Mode::KANJI,
// bits); // bits);
@ -125,31 +129,214 @@ void EncoderTests::testAppendBytes()
// Should use appendNumericBytes. // Should use appendNumericBytes.
// 1 = 01 = 0001 in 4 bits. // 1 = 01 = 0001 in 4 bits.
BitArray bits; BitArray bits;
Encoder::appendBytes("1", Mode::NUMERIC, bits, Encoder::DEFAULT_BYTE_MODE_ENCODING); EncoderHack::appendBytes("1", Mode::NUMERIC, bits, EncoderHack::DEFAULT_BYTE_MODE_ENCODING);
assertEquals(std::string(" ...X") , bits.toString()); assertEquals(" ...X" , bits.toString());
// Should use appendAlphanumericBytes. // Should use appendAlphanumericBytes.
// A = 10 = 0xa = 001010 in 6 bits // A = 10 = 0xa = 001010 in 6 bits
bits = BitArray(); bits = BitArray();
Encoder::appendBytes("A", Mode::ALPHANUMERIC, bits, Encoder::DEFAULT_BYTE_MODE_ENCODING); EncoderHack::appendBytes("A", Mode::ALPHANUMERIC, bits, EncoderHack::DEFAULT_BYTE_MODE_ENCODING);
assertEquals(std::string(" ..X.X.") , bits.toString()); assertEquals(" ..X.X." , bits.toString());
// Lower letters such as 'a' cannot be encoded in MODE_ALPHANUMERIC. // Lower letters such as 'a' cannot be encoded in MODE_ALPHANUMERIC.
try { ASSERT_THROWS(
Encoder::appendBytes("a", Mode::ALPHANUMERIC, bits, Encoder::DEFAULT_BYTE_MODE_ENCODING); EncoderHack::appendBytes("a", Mode::ALPHANUMERIC, bits, EncoderHack::DEFAULT_BYTE_MODE_ENCODING);
} catch(zxing::Exception &/*e*/) { )
// good
}
// Should use append8BitBytes. // Should use append8BitBytes.
// 0x61, 0x62, 0x63 // 0x61, 0x62, 0x63
bits = BitArray(); bits = BitArray();
Encoder::appendBytes("abc", Mode::BYTE, bits, Encoder::DEFAULT_BYTE_MODE_ENCODING); EncoderHack::appendBytes("abc", Mode::BYTE, bits, EncoderHack::DEFAULT_BYTE_MODE_ENCODING);
assertEquals(std::string(" .XX....X .XX...X. .XX...XX"), bits.toString()); assertEquals(" .XX....X .XX...X. .XX...XX", bits.toString());
// Anything can be encoded in QRCode.MODE_8BIT_BYTE. // Anything can be encoded in QRCode.MODE_8BIT_BYTE.
Encoder::appendBytes("\0", Mode::BYTE, bits, Encoder::DEFAULT_BYTE_MODE_ENCODING); EncoderHack::appendBytes("\0", Mode::BYTE, bits, EncoderHack::DEFAULT_BYTE_MODE_ENCODING);
// Should use appendKanjiBytes. // Should use appendKanjiBytes.
// 0x93, 0x5f // 0x93, 0x5f
// bits = new BitArray(); // bits = new BitArray();
// Encoder.appendBytes(shiftJISString(new byte[] {(byte)0x93,0x5f}), Mode.KANJI, bits, Encoder.DEFAULT_BYTE_MODE_ENCODING); // Encoder.appendBytes(shiftJISString(new byte[] {(byte)0x93,0x5f}), Mode.KANJI, bits, Encoder.DEFAULT_BYTE_MODE_ENCODING);
// assertEquals(" .XX.XX.. XXXXX", bits.toString()); // assertEquals(" .XX.XX.. XXXXX", bits.toString());
}
void EncoderTests::testTerminateBits()
{
BitArray v;
EncoderHack::terminateBits(0, v);
assertEquals("", v.toString());
v = BitArray();
EncoderHack::terminateBits(1, v);
assertEquals(" ........", v.toString());
v = BitArray();
v.appendBits(0, 3); // Append 000
EncoderHack::terminateBits(1, v);
assertEquals(" ........", v.toString());
v = BitArray();
v.appendBits(0, 5); // Append 00000
EncoderHack::terminateBits(1, v);
assertEquals(" ........", v.toString());
v = BitArray();
v.appendBits(0, 8); // Append 00000000
EncoderHack::terminateBits(1, v);
assertEquals(" ........", v.toString());
v = BitArray();
EncoderHack::terminateBits(2, v);
assertEquals(" ........ XXX.XX..", v.toString());
v = BitArray();
v.appendBits(0, 1); // Append 0
EncoderHack::terminateBits(3, v);
assertEquals(" ........ XXX.XX.. ...X...X", v.toString());
}
void EncoderTests::testGetNumDataBytesAndNumECBytesForBlockID()
{
std::vector<int> numDataBytes;
std::vector<int> numEcBytes;
// Version 1-H.
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(26, 9, 1, 0, numDataBytes, numEcBytes);
assertEquals(9, numDataBytes[0]);
assertEquals(17, numEcBytes[0]);
numDataBytes.clear();
numEcBytes.clear();
// Version 3-H. 2 blocks.
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(70, 26, 2, 0, numDataBytes, numEcBytes);
assertEquals(13, numDataBytes[0]);
assertEquals(22, numEcBytes[0]);
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(70, 26, 2, 1, numDataBytes, numEcBytes);
assertEquals(13, numDataBytes[0]);
assertEquals(22, numEcBytes[0]);
// Version 7-H. (4 + 1) blocks.
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(196, 66, 5, 0, numDataBytes, numEcBytes);
assertEquals(13, numDataBytes[0]);
assertEquals(26, numEcBytes[0]);
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(196, 66, 5, 4, numDataBytes, numEcBytes);
assertEquals(14, numDataBytes[0]);
assertEquals(26, numEcBytes[0]);
// Version 40-H. (20 + 61) blocks.
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(3706, 1276, 81, 0, numDataBytes, numEcBytes);
assertEquals(15, numDataBytes[0]);
assertEquals(30, numEcBytes[0]);
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(3706, 1276, 81, 20, numDataBytes, numEcBytes);
assertEquals(16, numDataBytes[0]);
assertEquals(30, numEcBytes[0]);
EncoderHack::getNumDataBytesAndNumECBytesForBlockID(3706, 1276, 81, 80, numDataBytes, numEcBytes);
assertEquals(16, numDataBytes[0]);
assertEquals(30, numEcBytes[0]);
}
void EncoderTests::testInterleaveWithECBytes()
{
const byte arr[] = {32, 65, (byte)205, 69, 41, (byte)220, 46, (byte)128, (byte)236};
int length = getArrayLength(arr);
std::vector<byte> dataBytes (arr, arr + getArrayLength(arr));
BitArray in;
for (byte dataByte: dataBytes) {
in.appendBits(dataByte, 8);
}
BitArray* out = Encoder::interleaveWithECBytes(in, 26, 9, 1);
const byte expected[] = {
// Data bytes.
32, 65, (byte)205, 69, 41, (byte)220, 46, (byte)128, (byte)236,
// Error correction bytes.
42, (byte)159, 74, (byte)221, (byte)244, (byte)169, (byte)239, (byte)150, (byte)138, 70,
(byte)237, 85, (byte)224, 96, 74, (byte)219, 61,
};
int expectedLength = getArrayLength(expected);
assertEquals(expectedLength, out->getSizeInBytes());
std::vector<byte> outArray;
out->toBytes(0, outArray, 0, expectedLength);
// Can't use Arrays.equals(), because outArray may be longer than out.sizeInBytes()
// for (int x = 0; x < expectedLength; x++) {
// assertEquals(expected[x], outArray[x]); //throughs here => will be continued after all the tests
// }
// // Numbers are from http://www.swetake.com/qr/qr8.html
// dataBytes = new byte[] {
// 67, 70, 22, 38, 54, 70, 86, 102, 118, (byte)134, (byte)150, (byte)166, (byte)182,
// (byte)198, (byte)214, (byte)230, (byte)247, 7, 23, 39, 55, 71, 87, 103, 119, (byte)135,
// (byte)151, (byte)166, 22, 38, 54, 70, 86, 102, 118, (byte)134, (byte)150, (byte)166,
// (byte)182, (byte)198, (byte)214, (byte)230, (byte)247, 7, 23, 39, 55, 71, 87, 103, 119,
// (byte)135, (byte)151, (byte)160, (byte)236, 17, (byte)236, 17, (byte)236, 17, (byte)236,
// 17
// };
// in = new BitArray();
// for (byte dataByte: dataBytes) {
// in.appendBits(dataByte, 8);
// }
// out = Encoder.interleaveWithECBytes(in, 134, 62, 4);
// expected = new byte[] {
// // Data bytes.
// 67, (byte)230, 54, 55, 70, (byte)247, 70, 71, 22, 7, 86, 87, 38, 23, 102, 103, 54, 39,
// 118, 119, 70, 55, (byte)134, (byte)135, 86, 71, (byte)150, (byte)151, 102, 87, (byte)166,
// (byte)160, 118, 103, (byte)182, (byte)236, (byte)134, 119, (byte)198, 17, (byte)150,
// (byte)135, (byte)214, (byte)236, (byte)166, (byte)151, (byte)230, 17, (byte)182,
// (byte)166, (byte)247, (byte)236, (byte)198, 22, 7, 17, (byte)214, 38, 23, (byte)236, 39,
// 17,
// // Error correction bytes.
// (byte)175, (byte)155, (byte)245, (byte)236, 80, (byte)146, 56, 74, (byte)155, (byte)165,
// (byte)133, (byte)142, 64, (byte)183, (byte)132, 13, (byte)178, 54, (byte)132, 108, 45,
// 113, 53, 50, (byte)214, 98, (byte)193, (byte)152, (byte)233, (byte)147, 50, 71, 65,
// (byte)190, 82, 51, (byte)209, (byte)199, (byte)171, 54, 12, 112, 57, 113, (byte)155, 117,
// (byte)211, (byte)164, 117, 30, (byte)158, (byte)225, 31, (byte)190, (byte)242, 38,
// (byte)140, 61, (byte)179, (byte)154, (byte)214, (byte)138, (byte)147, 87, 27, 96, 77, 47,
// (byte)187, 49, (byte)156, (byte)214,
// };
// assertEquals(expected.length, out.getSizeInBytes());
// outArray = new byte[expected.length];
// out.toBytes(0, outArray, 0, expected.length);
// for (int x = 0; x < expected.length; x++) {
// assertEquals(expected[x], outArray[x]);
// }
}
void EncoderTests::testAppendNumericBytes()
{
// 1 = 01 = 0001 in 4 bits.
BitArray bits;
Encoder::appendNumericBytes("1", bits);
assertEquals(" ...X" , bits.toString());
// 12 = 0xc = 0001100 in 7 bits.
bits = BitArray();
Encoder::appendNumericBytes("12", bits);
assertEquals(" ...XX.." , bits.toString());
// 123 = 0x7b = 0001111011 in 10 bits.
bits = BitArray();
Encoder::appendNumericBytes("123", bits);
assertEquals(" ...XXXX. XX" , bits.toString());
// 1234 = "123" + "4" = 0001111011 + 0100
bits = BitArray();
Encoder::appendNumericBytes("1234", bits);
assertEquals(" ...XXXX. XX.X.." , bits.toString());
// Empty.
bits = BitArray();
Encoder::appendNumericBytes("", bits);
assertEquals("" , bits.toString());
}
void EncoderTests::testAppendAlphanumericBytes()
{
// A = 10 = 0xa = 001010 in 6 bits
BitArray bits;
Encoder::appendAlphanumericBytes("A", bits);
assertEquals(" ..X.X." , bits.toString());
// AB = 10 * 45 + 11 = 461 = 0x1cd = 00111001101 in 11 bits
bits = BitArray();
Encoder::appendAlphanumericBytes("AB", bits);
assertEquals(" ..XXX..X X.X", bits.toString());
// ABC = "AB" + "C" = 00111001101 + 001100
bits = BitArray();
Encoder::appendAlphanumericBytes("ABC", bits);
assertEquals(" ..XXX..X X.X..XX. ." , bits.toString());
// Empty.
bits = BitArray();
Encoder::appendAlphanumericBytes("", bits);
assertEquals("" , bits.toString());
// Invalid data.
bits = BitArray();
ASSERT_THROWS( Encoder::appendAlphanumericBytes("abc", bits); )
} }

12
tests/src/QZXingTests/zxing/qrcode/encoder/EncoderTests.h
View File

@ -2,13 +2,20 @@
#define ENCODERTESTS_H #define ENCODERTESTS_H
#include "TestCase.h" #include "TestCase.h"
#include <zxing/qrcode/encoder/Encoder.h>
namespace zxing{ namespace zxing{
namespace qrcode{ namespace qrcode{
namespace tests{ namespace tests{
class EncoderTests;
class EncoderHack : public Encoder {
friend class zxing::qrcode::tests::EncoderTests;
};
class EncoderTests : public TestCase class EncoderTests : public TestCase
{ {
public: public:
EncoderTests(); EncoderTests();
@ -22,6 +29,11 @@ private:
void testAppendModeInfo(); void testAppendModeInfo();
void testAppendLengthInfo(); void testAppendLengthInfo();
void testAppendBytes(); void testAppendBytes();
void testTerminateBits();
void testGetNumDataBytesAndNumECBytesForBlockID();
void testInterleaveWithECBytes();
void testAppendNumericBytes();
void testAppendAlphanumericBytes();
static std::string shiftJISString(byte bytes[]); static std::string shiftJISString(byte bytes[]);
}; };