mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-14 00:31:47 +08:00
2b7df59187
They were provided by Jeff Breidenbach <jbreiden@google.com>. Signed-off-by: Stefan Weil <sw@weilnetz.de>
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
//
|
|
|
|
#include "tesseract/ccutil/qrsequence.h"
|
|
|
|
#include <algorithm>
|
|
#include <vector>
|
|
|
|
namespace {
|
|
|
|
class TestableQRSequenceGenerator : public QRSequenceGenerator {
|
|
public:
|
|
explicit TestableQRSequenceGenerator(const int& N) : QRSequenceGenerator(N) {}
|
|
// Overriding scope for testing
|
|
using QRSequenceGenerator::GetBinaryReversedInteger;
|
|
};
|
|
|
|
// Verifies binary inversion for a small range.
|
|
TEST(QRSequenceGenerator, GetBinaryReversedInteger) {
|
|
const int kRangeSize = 8;
|
|
TestableQRSequenceGenerator generator(kRangeSize);
|
|
int reversed_vals[kRangeSize] = { 0, 4, 2, 6, 1, 5, 3, 7};
|
|
for (int i = 0; i < kRangeSize; ++i)
|
|
EXPECT_EQ(reversed_vals[i], generator.GetBinaryReversedInteger(i));
|
|
}
|
|
|
|
// Trivial test fixture for a parameterized test.
|
|
class QRSequenceGeneratorTest : public ::testing::TestWithParam<int> {
|
|
};
|
|
|
|
TEST_P(QRSequenceGeneratorTest, GeneratesValidSequence) {
|
|
const int kRangeSize = GetParam();
|
|
TestableQRSequenceGenerator generator(kRangeSize);
|
|
std::vector<int> vals(kRangeSize);
|
|
CycleTimer timer;
|
|
timer.Restart();
|
|
for (int i = 0; i < kRangeSize; ++i)
|
|
vals[i] = generator.GetVal();
|
|
LOG(INFO) << kRangeSize << "-length sequence took " << timer.Get() * 1e3
|
|
<< "ms";
|
|
// Sort the numbers to verify that we've covered the range without repetition.
|
|
std::sort(vals.begin(), vals.end());
|
|
for (int i = 0; i < kRangeSize; ++i) {
|
|
EXPECT_EQ(i, vals[i]);
|
|
if (i != vals[i]) {
|
|
LOG(INFO) << "Aborting remaining comparisons";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Run a parameterized test using the following range sizes.
|
|
INSTANTIATE_TEST_CASE_P(RangeTest, QRSequenceGeneratorTest,
|
|
::testing::Values(2, 7, 8, 9, 16, 1e2, 1e4, 1e6));
|
|
} // namespace
|