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/*
* Copyright 2017 Huy Cuong Nguyen
* Copyright 2013 ZXing authors
*/
// SPDX-License-Identifier: Apache-2.0
#include "BitMatrix.h"
#include "CharacterSet.h"
#include "DecoderResult.h"
#include "PseudoRandom.h"
#include "TextEncoder.h"
#include "aztec/AZDecoder.h"
#include "aztec/AZDetector.h"
#include "aztec/AZDetectorResult.h"
#include "aztec/AZEncoder.h"
#include "aztec/AZWriter.h"
#include <algorithm>
#include <utility>
namespace testing {
namespace internal {
bool operator==(const std::string& a, const std::wstring& b) {
return a.length() == b.length() && std::equal(a.begin(), a.end(), b.begin());
}
}
}
#include "gtest/gtest.h"
using namespace ZXing;
namespace {
// Shorthand to call Decode()
static DecoderResult parse(BitMatrix&& bits, bool compact, int nbDatablocks, int nbLayers)
{
return Aztec::Decode({{std::move(bits), {}}, compact, nbDatablocks, nbLayers, false /*readerInit*/, false /*isMirrored*/, 0 /*runeValue*/});
}
void TestEncodeDecode(const std::string& data, bool compact, int layers) {
Aztec::EncodeResult aztec = Aztec::Encoder::Encode(data, 25, Aztec::Encoder::DEFAULT_AZTEC_LAYERS);
ASSERT_EQ(aztec.compact, compact) << "Unexpected symbol format (compact)";
ASSERT_EQ(aztec.layers, layers) << "Unexpected nr. of layers";
DecoderResult res = parse(aztec.matrix.copy(), aztec.compact, aztec.codeWords, aztec.layers);
ASSERT_EQ(res.isValid(), true);
EXPECT_EQ(data, res.text());
// Check error correction by introducing a few minor errors
PseudoRandom random(0x12345678);
BitMatrix matrix = aztec.matrix.copy();
auto x = random.next(0, matrix.width() - 1);
auto y = random.next(0, 1);
matrix.flip(x, y);
x = random.next(0, matrix.width() - 1);
y = matrix.height() - 2 + random.next(0, 1);
matrix.flip(x, y);
x = random.next(0, 1);
y = random.next(0, matrix.height() - 1);
matrix.flip(x, y);
x = matrix.width() - 2 + random.next(0, 1);
y = random.next(0, matrix.height() - 1);
matrix.flip(x, y);
res = parse(std::move(matrix), aztec.compact, aztec.codeWords, aztec.layers);
ASSERT_EQ(res.isValid(), true);
EXPECT_EQ(data, res.text());
}
void TestWriter(const std::wstring& data, CharacterSet charset, int eccPercent, bool compact, int layers) {
// 1. Perform an encode-decode round-trip because it can be lossy.
// 2. Aztec Decoder currently always decodes the data with a LATIN-1 charset:
std::string textBytes = TextEncoder::FromUnicode(data, charset);
Aztec::Writer writer;
writer.setEncoding(charset);
writer.setEccPercent(eccPercent);
BitMatrix matrix = writer.encode(data, 0, 0);
Aztec::EncodeResult aztec = Aztec::Encoder::Encode(textBytes, eccPercent, Aztec::Encoder::DEFAULT_AZTEC_LAYERS);
EXPECT_EQ(aztec.compact, compact) << "Unexpected symbol format (compact)";
EXPECT_EQ(aztec.layers, layers) << "Unexpected nr. of layers";
EXPECT_EQ(aztec.matrix, matrix);
DecoderResult res = parse(matrix.copy(), aztec.compact, aztec.codeWords, aztec.layers);
EXPECT_EQ(res.isValid(), true);
EXPECT_EQ(res.content().bytes, ByteArray(textBytes));
// Check error correction by introducing up to eccPercent/2 errors
int ecWords = aztec.codeWords * eccPercent / 100 / 2;
PseudoRandom random(0x12345678);
for (int i = 0; i < ecWords; i++) {
// don't touch the core
int x = random.next(0, 1) == 1 ?
random.next(0, aztec.layers * 2 - 1)
: matrix.width() - 1 - random.next(0, aztec.layers * 2 - 1);
int y = random.next(0, 1) == 1 ?
random.next(0, aztec.layers * 2 - 1)
: matrix.height() - 1 - random.next(0, aztec.layers * 2 - 1);
matrix.flip(x, y);
}
res = parse(std::move(matrix), aztec.compact, aztec.codeWords, aztec.layers);
EXPECT_EQ(res.isValid(), true);
EXPECT_EQ(res.content().bytes, ByteArray(textBytes));
}
}
TEST(AZEncodeDecodeTest, EncodeDecode1)
{
TestEncodeDecode("Abc123!", true, 1);
}
TEST(AZEncodeDecodeTest, EncodeDecode2)
{
TestEncodeDecode("Lorem ipsum. http://test/", true, 2);
}
TEST(AZEncodeDecodeTest, EncodeDecode3)
{
TestEncodeDecode("AAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAAN", true, 3);
}
TEST(AZEncodeDecodeTest, EncodeDecode4)
{
TestEncodeDecode("http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384", true, 4);
}
TEST(AZEncodeDecodeTest, EncodeDecode5)
{
TestEncodeDecode("http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384756<>/?abc"
"Four score and seven our forefathers brought forth", false, 5);
}
TEST(AZEncodeDecodeTest, EncodeDecode10)
{
TestEncodeDecode("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. Nulla"
" ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id"
" elementum sapien dolor et diam.", false, 10);
}
TEST(AZEncodeDecodeTest, EncodeDecode23)
{
TestEncodeDecode("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. 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"
" tristique ac, p.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. 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 tristique ac, p. 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. Nulla ultrices, elit pellentesque aliquet laoreet, justo"
" erat pulvinar nisi, id elementum sapien dolor et diam.", false, 23);
}
TEST(AZEncodeDecodeTest, EncodeDecode31)
{
TestEncodeDecode("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. 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"
" tristique ac, p.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. 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 tristique ac, p. 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. 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 tristique ac, p.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. 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(AZEncodeDecodeTest, AztecWriter)
{
//TestWriter(L"\x20AC 1 sample data.", CharacterSet::ISO8859_1, 25, true, 2);
//TestWriter(L"\x20AC 1 sample data.", CharacterSet::ISO8859_15, 25, true, 2);
TestWriter(L"\x20AC 1 sample data.", CharacterSet::UTF8, 25, true, 2);
TestWriter(L"\x20AC 1 sample data.", CharacterSet::UTF8, 100, true, 3);
TestWriter(L"\x20AC 1 sample data.", CharacterSet::UTF8, 300, true, 4);
TestWriter(L"\x20AC 1 sample data.", CharacterSet::UTF8, 500, false, 5);
// Test AztecWriter defaults
std::wstring data = L"In ut magna vel mauris malesuada";
BitMatrix matrix = Aztec::Writer().encode(data, 0, 0);
Aztec::EncodeResult aztec =
Aztec::Encoder::Encode(TextEncoder::FromUnicode(data, CharacterSet::ISO8859_1),
Aztec::Encoder::DEFAULT_EC_PERCENT, Aztec::Encoder::DEFAULT_AZTEC_LAYERS);
EXPECT_EQ(matrix, aztec.matrix);
}
TEST(AZEncodeDecodeTest, RunePure)
{
for(uint8_t word = 0; word < 255; word++) {
std::string data(1, word);
Aztec::EncodeResult aztec =
Aztec::Encoder::Encode(data, 0, Aztec::Encoder::AZTEC_RUNE_LAYERS);
auto result = Aztec::Detect(aztec.matrix, true, false);
EXPECT_TRUE(result.isValid());
EXPECT_EQ(result.nbDatablocks(), 0);
EXPECT_EQ(result.runeValue(), word);
}
}
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