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/*
* Copyright 2017 Huy Cuong Nguyen
* Copyright 2008 ZXing authors
*/
// SPDX-License-Identifier: Apache-2.0
#include "BitMatrixIO.h"
#include "qrcode/QRWriter.h"
#include "qrcode/QRErrorCorrectionLevel.h"
#include "gtest/gtest.h"
#include <stdexcept>
using namespace ZXing;
using namespace ZXing::QRCode;
namespace {
void DoTest(const std::wstring& contents, ErrorCorrectionLevel ecLevel, int resolution, const char* expected) {
Writer writer;
writer.setErrorCorrectionLevel(ecLevel);
auto matrix = writer.encode(contents, resolution, resolution);
auto actual = ToString(matrix, 'X', ' ', true);
EXPECT_EQ(matrix.width(), resolution);
EXPECT_EQ(matrix.height(), resolution);
EXPECT_EQ(actual, expected);
}
}
TEST(QRWriterTest, OverSize)
{
// The QR should be multiplied up to fit, with extra padding if necessary
int bigEnough = 256;
Writer writer;
BitMatrix matrix = writer.encode(L"http://www.google.com/", bigEnough, bigEnough);
EXPECT_EQ(matrix.width(), bigEnough);
EXPECT_EQ(matrix.height(), bigEnough);
// The QR will not fit in this size, so the matrix should come back bigger
int tooSmall = 20;
matrix = writer.encode(L"http://www.google.com/", tooSmall, tooSmall);
EXPECT_GT(matrix.width(), tooSmall);
EXPECT_GT(matrix.height(), tooSmall);
// We should also be able to handle non-square requests by padding them
int strangeWidth = 500;
int strangeHeight = 100;
matrix = writer.encode(L"http://www.google.com/", strangeWidth, strangeHeight);
EXPECT_EQ(matrix.width(), strangeWidth);
EXPECT_EQ(matrix.height(), strangeHeight);
int overflowSize = 0x1000000;
EXPECT_THROW(writer.encode(L"http://www.google.com/", overflowSize, overflowSize), std::invalid_argument);
}
TEST(QRWriterTest, RegressionTest)
{
DoTest(L"http://www.google.com/", ErrorCorrectionLevel::Medium, 99,
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}
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