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/*
* Copyright 2021 gitlost
*/
// SPDX-License-Identifier: Apache-2.0
#include "ByteArray.h"
#include "DecoderResult.h"
#include "gtest/gtest.h"
#include <utility>
namespace ZXing::MaxiCode::DecodedBitStreamParser {
DecoderResult Decode(ByteArray&& bytes, const int mode);
}
using namespace ZXing;
// Pad out to max data length 93 (mode 4)
static void pad(ByteArray& padded)
{
while (padded.size() < 93 + 1) { // 93 + mode
padded.push_back(33);
}
}
// Helper to call Decode()
static DecoderResult parse(ByteArray bytes, const int mode, ByteArray *mode2or3 = nullptr)
{
ByteArray padded;
padded.reserve(93 + 1); // 93 + mode
if (mode == 2) {
if (mode2or3) {
padded = *mode2or3;
} else {
// Mode 2, Postcode 152382802, Country 840, Class 001 example from ISO/IEC 16023:2000 Annex B.2
padded = {34, 20, 45, 20, 17, 18, 2, 18, 7, 0};
}
} else if (mode == 3) {
if (mode2or3) {
padded = *mode2or3;
} else {
// Mode 3, Postcode B1050, Country 056, Class 999 example from ISO/IEC 16023:2000 Annex B.1
padded = {3, 8, 28, 13, 28, 44, 0, 14, 28, 62};
}
} else {
padded.push_back(mode);
}
padded.insert(padded.end(), bytes.begin(), bytes.end());
pad(padded);
return MaxiCode::DecodedBitStreamParser::Decode(std::move(padded), mode);
}
// Helper to return Structured Append
static StructuredAppendInfo info(ByteArray bytes, const int mode)
{
return parse(bytes, mode).structuredAppend();
}
TEST(MCDecoderTest, StructuredAppendSymbologyIdentifier)
{
// Null
EXPECT_EQ(info({49}, 2).index, -1); // Mode 2
EXPECT_EQ(info({49}, 2).count, -1);
EXPECT_TRUE(info({49}, 2).id.empty());
EXPECT_EQ(parse({49}, 2).symbologyIdentifier(), "]U1");
EXPECT_EQ(info({49}, 3).index, -1); // Mode 3
EXPECT_EQ(info({49}, 3).count, -1);
EXPECT_TRUE(info({49}, 3).id.empty());
EXPECT_EQ(parse({49}, 3).symbologyIdentifier(), "]U1");
EXPECT_EQ(info({49}, 4).index, -1); // Mode 4
EXPECT_EQ(info({49}, 4).count, -1);
EXPECT_TRUE(info({49}, 4).id.empty());
EXPECT_EQ(parse({49}, 4).symbologyIdentifier(), "]U0");
EXPECT_EQ(info({49}, 5).index, -1); // Mode 5
EXPECT_EQ(info({49}, 5).count, -1);
EXPECT_TRUE(info({49}, 5).id.empty());
EXPECT_EQ(parse({49}, 5).symbologyIdentifier(), "]U0");
EXPECT_EQ(info({49}, 6).index, -1); // Mode 6
EXPECT_EQ(info({49}, 6).count, -1);
EXPECT_TRUE(info({49}, 6).id.empty());
// EXPECT_TRUE(parse({49}, 6).symbologyIdentifier().empty()); // Not defined for reader initialisation/programming
// ISO/IEC 16023:2000 4.9.1 example
EXPECT_EQ(info({33, 22, 49}, 2).index, 2); // Mode 2 - 3rd position 1-based == index 2
EXPECT_EQ(info({33, 22, 49}, 2).count, 7);
EXPECT_TRUE(info({33, 22, 49}, 2).id.empty());
EXPECT_EQ(info({33, 22, 49}, 3).index, 2); // Mode 3
EXPECT_EQ(info({33, 22, 49}, 3).count, 7);
EXPECT_TRUE(info({33, 22, 49}, 3).id.empty());
EXPECT_EQ(info({33, 22, 49}, 4).index, 2); // Mode 4
EXPECT_EQ(info({33, 22, 49}, 4).count, 7);
EXPECT_TRUE(info({33, 22, 49}, 4).id.empty());
EXPECT_EQ(info({33, 22, 49}, 5).index, 2); // Mode 5
EXPECT_EQ(info({33, 22, 49}, 5).count, 7);
EXPECT_TRUE(info({33, 22, 49}, 5).id.empty());
EXPECT_EQ(info({33, 22, 49}, 6).index, 2); // Mode 6
EXPECT_EQ(info({33, 22, 49}, 6).count, 7);
EXPECT_TRUE(info({33, 22, 49}, 6).id.empty());
// Various
EXPECT_EQ(info({33, 007, 49}, 2).index, 0); // Mode 2
EXPECT_EQ(info({33, 007, 49}, 2).count, 8);
EXPECT_EQ(info({33, 007, 49}, 4).index, 0); // Mode 4
EXPECT_EQ(info({33, 007, 49}, 4).count, 8);
EXPECT_EQ(info({33, 067, 49}, 2).index, 6); // Mode 2
EXPECT_EQ(info({33, 067, 49}, 2).count, 8);
EXPECT_EQ(info({33, 067, 49}, 4).index, 6); // Mode 4
EXPECT_EQ(info({33, 067, 49}, 4).count, 8);
EXPECT_EQ(info({33, 077, 49}, 2).index, 7); // Mode 2
EXPECT_EQ(info({33, 077, 49}, 2).count, 8);
EXPECT_EQ(info({33, 077, 49}, 4).index, 7); // Mode 4
EXPECT_EQ(info({33, 077, 49}, 4).count, 8);
EXPECT_EQ(info({33, 001, 49}, 2).index, 0); // Mode 2
EXPECT_EQ(info({33, 001, 49}, 2).count, 2);
EXPECT_EQ(info({33, 001, 49}, 4).index, 0); // Mode 4
EXPECT_EQ(info({33, 001, 49}, 4).count, 2);
EXPECT_EQ(info({33, 011, 49}, 2).index, 1); // Mode 2
EXPECT_EQ(info({33, 011, 49}, 2).count, 2);
EXPECT_EQ(info({33, 011, 49}, 4).index, 1); // Mode 4
EXPECT_EQ(info({33, 011, 49}, 4).count, 2);
// Invalid
EXPECT_EQ(info({33, 000, 49}, 2).index, 0); // Mode 2
EXPECT_EQ(info({33, 000, 49}, 2).count, 0); // Count 1 set to 0
EXPECT_EQ(info({33, 000, 49}, 4).index, 0); // Mode 4
EXPECT_EQ(info({33, 000, 49}, 4).count, 0);
EXPECT_EQ(info({33, 032, 49}, 2).index, 3); // Mode 2
EXPECT_EQ(info({33, 032, 49}, 2).count, 0); // Count 3 <= index 3 so set to 0
EXPECT_EQ(info({33, 032, 49}, 4).index, 3); // Mode 4
EXPECT_EQ(info({33, 032, 49}, 4).count, 0);
}
TEST(MCDecoderTest, ReaderInit)
{
// Null
EXPECT_FALSE(parse({49}, 2).readerInit()); // Mode 2
EXPECT_TRUE(parse({49}, 2).isValid());
// Set
EXPECT_TRUE(parse({49}, 6).readerInit()); // Mode 6
EXPECT_TRUE(parse({49}, 6).isValid());
}
TEST(MCDecoderTest, Mode2)
{
// Good data
{
// Postcode 1234, Postcode Length 4, Country 999, Class 999
ByteArray mode2 = { 34, 52, 4, 0, 0, 0, 49, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "1234\035999\035999\0351");
}
{
// Postcode 0123, Postcode Length 4, Country 999, Class 999
ByteArray mode2 = { 50, 30, 0, 0, 0, 0, 49, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "0123\035999\035999\0351");
}
// Dodgy data (postcode length mismatch)
{
// Postcode 123456789, Postcode Length 4, Country 999, Class 999
ByteArray mode2 = { 18, 5, 13, 47, 53, 1, 49, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "1234\035999\035999\0351"); // Postcode truncated
}
{
// Postcode 123, Postcode Length 4, Country 999, Class 999
ByteArray mode2 = { 50, 30, 0, 0, 0, 0, 49, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "0123\035999\035999\0351"); // Postcode zero-filled to len 4
}
// Out-of-range data
{
// Postcode 1, Postcode Length 10, Country 999, Class 999
ByteArray mode2 = { 18, 0, 0, 0, 0, 32, 50, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "000000001\035999\035999\0351"); // Postcode capped to len 9 & zero-filled
}
{
// Postcode 1073741823 (0x3FFFFFFF, 30-bit max), Postcode Length 10, Country 999, Class 999
ByteArray mode2 = { 50, 63, 63, 63, 63, 47, 50, 57, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "107374182\035999\035999\0351"); // Postcode truncated
}
{
// Postcode 12345, Postcode Length 5, Country 1023 (0x3FF, 10-bit max), Class 999
ByteArray mode2 = { 18, 14, 48, 0, 0, 16, 49, 63, 31, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "12345\035999\035999\0351"); // Country capped to 999
}
{
// Postcode 123456, Postcode Length 8, Country 999, Class 1000 (0x3E8)
ByteArray mode2 = { 2, 16, 34, 7, 0, 0, 50, 57, 35, 62 };
EXPECT_EQ(parse({49}, 2, &mode2).content().utf8(), "00123456\035999\035999\0351"); // Class capped to 999
}
}
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