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/*
* Copyright 2017 Huy Cuong Nguyen
* Copyright 2008 ZXing authors
*/
// SPDX-License-Identifier: Apache-2.0
#include "BitArray.h"
#include "ByteArray.h"
#include "DecoderResult.h"
#include "qrcode/QRErrorCorrectionLevel.h"
#include "qrcode/QRVersion.h"
#include "gtest/gtest.h"
namespace ZXing {
namespace QRCode {
DecoderResult DecodeBitStream(ByteArray&& bytes, const Version& version, ErrorCorrectionLevel ecLevel);
}
}
using namespace ZXing;
using namespace ZXing::QRCode;
TEST(QRDecodedBitStreamParserTest, SimpleByteMode)
{
BitArray ba;
ba.appendBits(0x04, 4); // Byte mode
ba.appendBits(0x03, 8); // 3 bytes
ba.appendBits(0xF1, 8);
ba.appendBits(0xF2, 8);
ba.appendBits(0xF3, 8);
auto result = DecodeBitStream(ba.toBytes(), *Version::Model2(1), ErrorCorrectionLevel::Medium).text();
EXPECT_EQ(L"\xF1\xF2\xF3", result);
}
TEST(QRDecodedBitStreamParserTest, SimpleSJIS)
{
BitArray ba;
ba.appendBits(0x04, 4); // Byte mode
ba.appendBits(0x04, 8); // 4 bytes
ba.appendBits(0xA1, 8);
ba.appendBits(0xA2, 8);
ba.appendBits(0xA3, 8);
ba.appendBits(0xD0, 8);
auto result = DecodeBitStream(ba.toBytes(), *Version::Model2(1), ErrorCorrectionLevel::Medium).text();
EXPECT_EQ(L"\uff61\uff62\uff63\uff90", result);
}
TEST(QRDecodedBitStreamParserTest, ECI)
{
BitArray ba;
ba.appendBits(0x07, 4); // ECI mode
ba.appendBits(0x02, 8); // ECI 2 = CP437 encoding
ba.appendBits(0x04, 4); // Byte mode
ba.appendBits(0x03, 8); // 3 bytes
ba.appendBits(0xA1, 8);
ba.appendBits(0xA2, 8);
ba.appendBits(0xA3, 8);
auto result = DecodeBitStream(ba.toBytes(), *Version::Model2(1), ErrorCorrectionLevel::Medium).text();
EXPECT_EQ(L"\xED\xF3\xFA", result);
}
TEST(QRDecodedBitStreamParserTest, Hanzi)
{
BitArray ba;
ba.appendBits(0x0D, 4); // Hanzi mode
ba.appendBits(0x01, 4); // Subset 1 = GB2312 encoding
ba.appendBits(0x01, 8); // 1 characters
ba.appendBits(0x03C1, 13);
auto result = DecodeBitStream(ba.toBytes(), *Version::Model2(1), ErrorCorrectionLevel::Medium).text();
EXPECT_EQ(L"\u963f", result);
}
TEST(QRDecodedBitStreamParserTest, HanziLevel1)
{
BitArray ba;
ba.appendBits(0x0D, 4); // Hanzi mode
ba.appendBits(0x01, 4); // Subset 1 = GB2312 encoding
ba.appendBits(0x01, 8); // 1 characters
// A5A2 (U+30A2) => A5A2 - A1A1 = 401, 4*60 + 01 = 0181
ba.appendBits(0x0181, 13);
auto result = DecodeBitStream(ba.toBytes(), *Version::Model2(1), ErrorCorrectionLevel::Medium).text();
EXPECT_EQ(L"\u30a2", result);
}
TEST(QRDecodedBitStreamParserTest, SymbologyIdentifier)
{
const Version& version = *Version::Model2(1);
const ErrorCorrectionLevel ecLevel = ErrorCorrectionLevel::Medium;
DecoderResult result;
// Plain "ANUM(1) A"
result = DecodeBitStream({0x20, 0x09, 0x40}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q1");
EXPECT_EQ(result.text(), L"A");
// GS1 "FNC1(1st) NUM(4) 2001"
result = DecodeBitStream({0x51, 0x01, 0x0C, 0x81, 0x00}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q3");
EXPECT_EQ(result.text(), L"2001"); // "(20)01"
// GS1 "NUM(4) 2001 FNC1(1st) 301" - FNC1(1st) can occur anywhere (this actually violates the specification)
result = DecodeBitStream({0x10, 0x10, 0xC8, 0x15, 0x10, 0x0D, 0x2D, 0x00}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q3");
EXPECT_EQ(result.text(), L"2001301"); // "(20)01(30)1"
// AIM "FNC1(2nd) 99 (0x63) ANUM(1) A"
result = DecodeBitStream({0x96, 0x32, 0x00, 0x94, 0x00}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q5");
EXPECT_EQ(result.text(), L"99A");
// AIM "BYTE(1) A FNC1(2nd) 99 (0x63) BYTE(1) B" - FNC1(2nd) can occur anywhere
// Disabled this test, since this violates the specification and the code does support it anymore
// result = DecodeBitStream({0x40, 0x14, 0x19, 0x63, 0x40, 0x14, 0x20, 0x00}, version, ecLevel, "");
// EXPECT_EQ(result.symbologyIdentifier(), "]Q5");
// EXPECT_EQ(result.text(), L"99AB"); // Application Indicator prefixed to data
// AIM "FNC1(2nd) A (100 + 61 = 0xA5) ANUM(1) B"
result = DecodeBitStream({0x9A, 0x52, 0x00, 0x96, 0x00}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q5");
EXPECT_EQ(result.text(), L"AB");
// AIM "FNC1(2nd) a (100 + 97 = 0xC5) ANUM(1) B"
result = DecodeBitStream({0x9C, 0x52, 0x00, 0x96, 0x00}, version, ecLevel);
EXPECT_EQ(result.symbologyIdentifier(), "]Q5");
EXPECT_EQ(result.text(), L"aB");
// Bad AIM Application Indicator "FNC1(2nd) @ (0xA4) ANUM(1) B"
result = DecodeBitStream({0x9A, 0x42, 0x00, 0x96, 0x00}, version, ecLevel);
EXPECT_FALSE(result.isValid());
}
TEST(QRDecodedBitStreamParserTest, GS1PercentGS)
{
const Version& version = *Version::Model2(1);
const ErrorCorrectionLevel ecLevel = ErrorCorrectionLevel::Quality;
DecoderResult result;
// GS1 "FNC1(1st) A(11) 9112%%%2012 (9112%<FNC1>2012)"
result = DecodeBitStream({0x52, 0x05, 0x99, 0x60, 0x5F, 0xB5, 0x35, 0x80, 0x01, 0x08, 0x00, 0xEC, 0x11}, version, ecLevel);
EXPECT_EQ(result.content().text(TextMode::Plain), "9112%\x1D" "2012");
EXPECT_EQ(result.content().text(TextMode::HRI), "(91)12%(20)12");
}
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