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opencv/modules/core/test/test_misc.cpp

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "test_precomp.hpp"
#include <cmath>
namespace opencv_test { namespace {
TEST(Core_OutputArrayCreate, _1997)
{
struct local {
static void create(OutputArray arr, Size submatSize, int type)
{
int sizes[] = {submatSize.width, submatSize.height};
arr.create(sizeof(sizes)/sizeof(sizes[0]), sizes, type);
}
};
Mat mat(Size(512, 512), CV_8U);
Size submatSize = Size(256, 256);
ASSERT_NO_THROW(local::create( mat(Rect(Point(), submatSize)), submatSize, mat.type() ));
}
TEST(Core_SaturateCast, NegativeNotClipped)
{
double d = -1.0;
unsigned int val = cv::saturate_cast<unsigned int>(d);
ASSERT_EQ(0xffffffff, val);
}
template<typename T, typename U>
static double maxAbsDiff(const T &t, const U &u)
{
Mat_<double> d;
absdiff(t, u, d);
double ret;
minMaxLoc(d, NULL, &ret);
return ret;
}
TEST(Core_OutputArrayAssign, _Matxd_Matd)
{
Mat expected = (Mat_<double>(2,3) << 1, 2, 3, .1, .2, .3);
Matx23d actualx;
{
OutputArray oa(actualx);
oa.assign(expected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), 0.0);
}
TEST(Core_OutputArrayAssign, _Matxd_Matf)
{
Mat expected = (Mat_<float>(2,3) << 1, 2, 3, .1, .2, .3);
Matx23d actualx;
{
OutputArray oa(actualx);
oa.assign(expected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), FLT_EPSILON);
}
TEST(Core_OutputArrayAssign, _Matxf_Matd)
{
Mat expected = (Mat_<double>(2,3) << 1, 2, 3, .1, .2, .3);
Matx23f actualx;
{
OutputArray oa(actualx);
oa.assign(expected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), FLT_EPSILON);
}
TEST(Core_OutputArrayAssign, _Matxd_UMatd)
{
Mat expected = (Mat_<double>(2,3) << 1, 2, 3, .1, .2, .3);
UMat uexpected = expected.getUMat(ACCESS_READ);
Matx23d actualx;
{
OutputArray oa(actualx);
oa.assign(uexpected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), 0.0);
}
TEST(Core_OutputArrayAssign, _Matxd_UMatf)
{
Mat expected = (Mat_<float>(2,3) << 1, 2, 3, .1, .2, .3);
UMat uexpected = expected.getUMat(ACCESS_READ);
Matx23d actualx;
{
OutputArray oa(actualx);
oa.assign(uexpected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), FLT_EPSILON);
}
TEST(Core_OutputArrayAssign, _Matxf_UMatd)
{
Mat expected = (Mat_<double>(2,3) << 1, 2, 3, .1, .2, .3);
UMat uexpected = expected.getUMat(ACCESS_READ);
Matx23f actualx;
{
OutputArray oa(actualx);
oa.assign(uexpected);
}
Mat actual = (Mat) actualx;
EXPECT_LE(maxAbsDiff(expected, actual), FLT_EPSILON);
}
int fixedType_handler(OutputArray dst)
{
int type = CV_32FC2; // return points only {x, y}
if (dst.fixedType())
{
type = dst.type();
CV_Assert(type == CV_32FC2 || type == CV_32FC3); // allow points + confidence level: {x, y, confidence}
}
const int N = 100;
dst.create(Size(1, N), type);
Mat m = dst.getMat();
if (m.type() == CV_32FC2)
{
for (int i = 0; i < N; i++)
m.at<Vec2f>(i) = Vec2f((float)i, (float)(i*2));
}
else if (m.type() == CV_32FC3)
{
for (int i = 0; i < N; i++)
m.at<Vec3f>(i) = Vec3f((float)i, (float)(i*2), 1.0f / (i + 1));
}
else
{
CV_Assert(0 && "Internal error");
}
return CV_MAT_CN(type);
}
TEST(Core_OutputArray, FixedType)
{
Mat_<Vec2f> pointsOnly;
int num_pointsOnly = fixedType_handler(pointsOnly);
EXPECT_EQ(2, num_pointsOnly);
Mat_<Vec3f> pointsWithConfidence;
int num_pointsWithConfidence = fixedType_handler(pointsWithConfidence);
EXPECT_EQ(3, num_pointsWithConfidence);
Mat defaultResult;
int num_defaultResult = fixedType_handler(defaultResult);
EXPECT_EQ(2, num_defaultResult);
}
TEST(Core_OutputArrayCreate, _13772)
{
cv::Mat1d mat;
cv::OutputArray o(mat);
ASSERT_NO_THROW(o.create(3, 5, CV_64F, -1, true));
}
TEST(Core_String, find_last_of__with__empty_string)
{
cv::String s;
size_t p = s.find_last_of('q', 0);
// npos is not exported: EXPECT_EQ(cv::String::npos, p);
EXPECT_EQ(std::string::npos, p);
}
TEST(Core_String, end_method_regression)
{
cv::String old_string = "012345";
cv::String new_string(old_string.begin(), old_string.end());
EXPECT_EQ(6u, new_string.size());
}
TEST(Core_Copy, repeat_regression_8972)
{
Mat src = (Mat_<int>(1, 4) << 1, 2, 3, 4);
ASSERT_ANY_THROW({
repeat(src, 5, 1, src);
});
}
class ThrowErrorParallelLoopBody : public cv::ParallelLoopBody
{
public:
ThrowErrorParallelLoopBody(cv::Mat& dst, int i) : dst_(dst), i_(i) {}
~ThrowErrorParallelLoopBody() {}
void operator()(const cv::Range& r) const
{
for (int i = r.start; i < r.end; i++)
{
CV_Assert(i != i_);
dst_.row(i).setTo(1);
}
}
protected:
Mat dst_;
int i_;
};
TEST(Core_Parallel, propagate_exceptions)
{
Mat dst1(1000, 100, CV_8SC1, Scalar::all(0));
ASSERT_NO_THROW({
parallel_for_(cv::Range(0, dst1.rows), ThrowErrorParallelLoopBody(dst1, -1));
});
Mat dst2(1000, 100, CV_8SC1, Scalar::all(0));
ASSERT_THROW({
parallel_for_(cv::Range(0, dst2.rows), ThrowErrorParallelLoopBody(dst2, dst2.rows / 2));
}, cv::Exception);
}
TEST(Core_Version, consistency)
{
// this test verifies that OpenCV version loaded in runtime
// is the same this test has been built with
EXPECT_EQ(CV_VERSION_MAJOR, cv::getVersionMajor());
EXPECT_EQ(CV_VERSION_MINOR, cv::getVersionMinor());
EXPECT_EQ(CV_VERSION_REVISION, cv::getVersionRevision());
EXPECT_EQ(String(CV_VERSION), cv::getVersionString());
}
//
// Test core/check.hpp macros
//
void test_check_eq_1(int value_1, int value_2)
{
CV_CheckEQ(value_1, value_2, "Validation check failed");
}
TEST(Core_Check, testEQ_int_fail)
{
try
{
test_check_eq_1(123, 5678);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation check failed (expected: 'value_1 == value_2'), where\n"
"> 'value_1' is 123\n"
"> must be equal to\n"
"> 'value_2' is 5678\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testEQ_int_pass)
{
EXPECT_NO_THROW(
{
test_check_eq_1(1234, 1234);
});
}
void test_check_eq_2(float value_1, float value_2)
{
CV_CheckEQ(value_1, value_2, "Validation check failed (float)");
}
TEST(Core_Check, testEQ_float_fail)
{
try
{
test_check_eq_2(1234.5f, 1234.55f);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation check failed (float) (expected: 'value_1 == value_2'), where\n"
"> 'value_1' is 1234.5\n" // TODO Locale handling (use LC_ALL=C on Linux)
"> must be equal to\n"
"> 'value_2' is 1234.55\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testEQ_float_pass)
{
EXPECT_NO_THROW(
{
test_check_eq_2(1234.6f, 1234.6f);
});
}
void test_check_eq_3(double value_1, double value_2)
{
CV_CheckEQ(value_1, value_2, "Validation check failed (double)");
}
TEST(Core_Check, testEQ_double_fail)
{
try
{
test_check_eq_3(1234.5, 1234.56);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation check failed (double) (expected: 'value_1 == value_2'), where\n"
"> 'value_1' is 1234.5\n" // TODO Locale handling (use LC_ALL=C on Linux)
"> must be equal to\n"
"> 'value_2' is 1234.56\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testEQ_double_pass)
{
EXPECT_NO_THROW(
{
test_check_eq_3(1234.0f, 1234.0f);
});
}
void test_check_ne_1(int value_1, int value_2)
{
CV_CheckNE(value_1, value_2, "Validation NE check failed");
}
TEST(Core_Check, testNE_int_fail)
{
try
{
test_check_ne_1(123, 123);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation NE check failed (expected: 'value_1 != value_2'), where\n"
"> 'value_1' is 123\n"
"> must be not equal to\n"
"> 'value_2' is 123\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testNE_int_pass)
{
EXPECT_NO_THROW(
{
test_check_ne_1(123, 1234);
});
}
void test_check_le_1(int value_1, int value_2)
{
CV_CheckLE(value_1, value_2, "Validation LE check failed");
}
TEST(Core_Check, testLE_int_fail)
{
try
{
test_check_le_1(1234, 123);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation LE check failed (expected: 'value_1 <= value_2'), where\n"
"> 'value_1' is 1234\n"
"> must be less than or equal to\n"
"> 'value_2' is 123\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testLE_int_pass)
{
EXPECT_NO_THROW(
{
test_check_le_1(1234, 1234);
});
EXPECT_NO_THROW(
{
test_check_le_1(123, 1234);
});
}
void test_check_lt_1(int value_1, int value_2)
{
CV_CheckLT(value_1, value_2, "Validation LT check failed");
}
TEST(Core_Check, testLT_int_fail)
{
try
{
test_check_lt_1(1234, 123);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation LT check failed (expected: 'value_1 < value_2'), where\n"
"> 'value_1' is 1234\n"
"> must be less than\n"
"> 'value_2' is 123\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testLT_int_fail_eq)
{
try
{
test_check_lt_1(123, 123);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation LT check failed (expected: 'value_1 < value_2'), where\n"
"> 'value_1' is 123\n"
"> must be less than\n"
"> 'value_2' is 123\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testLT_int_pass)
{
EXPECT_NO_THROW(
{
test_check_lt_1(123, 1234);
});
}
void test_check_ge_1(int value_1, int value_2)
{
CV_CheckGE(value_1, value_2, "Validation GE check failed");
}
TEST(Core_Check, testGE_int_fail)
{
try
{
test_check_ge_1(123, 1234);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation GE check failed (expected: 'value_1 >= value_2'), where\n"
"> 'value_1' is 123\n"
"> must be greater than or equal to\n"
"> 'value_2' is 1234\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testGE_int_pass)
{
EXPECT_NO_THROW(
{
test_check_ge_1(1234, 1234);
});
EXPECT_NO_THROW(
{
test_check_ge_1(1234, 123);
});
}
void test_check_gt_1(int value_1, int value_2)
{
CV_CheckGT(value_1, value_2, "Validation GT check failed");
}
TEST(Core_Check, testGT_int_fail)
{
try
{
test_check_gt_1(123, 1234);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation GT check failed (expected: 'value_1 > value_2'), where\n"
"> 'value_1' is 123\n"
"> must be greater than\n"
"> 'value_2' is 1234\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testGT_int_fail_eq)
{
try
{
test_check_gt_1(123, 123);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Validation GT check failed (expected: 'value_1 > value_2'), where\n"
"> 'value_1' is 123\n"
"> must be greater than\n"
"> 'value_2' is 123\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Check, testGT_int_pass)
{
EXPECT_NO_THROW(
{
test_check_gt_1(1234, 123);
});
}
void test_check_MatType_1(int src_type)
{
CV_CheckTypeEQ(src_type, CV_32FC1, "Unsupported source type");
}
TEST(Core_Check, testMatType_pass)
{
EXPECT_NO_THROW(
{
test_check_MatType_1(CV_MAKE_TYPE(CV_32F, 1));
});
}
TEST(Core_Check, testMatType_fail_1)
{
try
{
test_check_MatType_1(CV_8UC1);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Unsupported source type (expected: 'src_type == CV_32FC1'), where\n"
"> 'src_type' is 0 (CV_8UC1)\n"
"> must be equal to\n"
"> 'CV_32FC1' is 5 (CV_32FC1)\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
void test_check_MatType_2(int src_type)
{
CV_CheckType(src_type, src_type == CV_32FC1 || src_type == CV_32FC3, "Unsupported src");
}
TEST(Core_Check, testMatType_fail_2)
{
try
{
test_check_MatType_2(CV_8UC1);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Unsupported src:\n"
"> 'src_type == CV_32FC1 || src_type == CV_32FC3'\n"
"> where\n"
"> 'src_type' is 0 (CV_8UC1)\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
void test_check_MatDepth_1(int src_depth)
{
CV_CheckDepthEQ(src_depth, CV_32F, "Unsupported source depth");
}
TEST(Core_Check, testMatDepth_pass)
{
EXPECT_NO_THROW(
{
test_check_MatDepth_1(CV_MAKE_TYPE(CV_32F, 1));
});
}
TEST(Core_Check, testMatDepth_fail_1)
{
try
{
test_check_MatDepth_1(CV_8U);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Unsupported source depth (expected: 'src_depth == CV_32F'), where\n"
"> 'src_depth' is 0 (CV_8U)\n"
"> must be equal to\n"
"> 'CV_32F' is 5 (CV_32F)\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
void test_check_MatDepth_2(int src_depth)
{
CV_CheckDepth(src_depth, src_depth == CV_32F || src_depth == CV_64F, "Unsupported src");
}
TEST(Core_Check, testMatDepth_fail_2)
{
try
{
test_check_MatDepth_2(CV_8U);
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Unsupported src:\n"
"> 'src_depth == CV_32F || src_depth == CV_64F'\n"
"> where\n"
"> 'src_depth' is 0 (CV_8U)\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
void test_check_Size_1(const Size& srcSz)
{
CV_Check(srcSz, srcSz == Size(4, 3), "Unsupported src size");
}
TEST(Core_Check, testSize_1)
{
try
{
test_check_Size_1(Size(2, 1));
FAIL() << "Unreachable code called";
}
catch (const cv::Exception& e)
{
EXPECT_STREQ(e.err.c_str(),
"> Unsupported src size:\n"
"> 'srcSz == Size(4, 3)'\n"
"> where\n"
"> 'srcSz' is [2 x 1]\n"
);
}
catch (const std::exception& e)
{
FAIL() << "Unexpected C++ exception: " << e.what();
}
catch (...)
{
FAIL() << "Unexpected unknown exception";
}
}
TEST(Core_Allocation, alignedAllocation)
{
// iterate from size=1 to approximate byte size of 8K 32bpp image buffer
for (int i = 0; i < 200; i++) {
const size_t size = static_cast<size_t>(std::pow(1.091, (double)i));
void * const buf = cv::fastMalloc(size);
ASSERT_NE((uintptr_t)0, (uintptr_t)buf)
<< "failed to allocate memory";
ASSERT_EQ((uintptr_t)0, (uintptr_t)buf % CV_MALLOC_ALIGN)
<< "memory not aligned to " << CV_MALLOC_ALIGN;
cv::fastFree(buf);
}
}
#if !(defined(__GNUC__) && __GNUC__ < 5) // GCC 4.8 emits: 'is_trivially_copyable' is not a member of 'std'
TEST(Core_Types, trivially_copyable)
{
EXPECT_TRUE(std::is_trivially_copyable<cv::Complexd>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Point>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Point3f>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Size>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Range>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Rect>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::RotatedRect>::value);
//EXPECT_TRUE(std::is_trivially_copyable<cv::Scalar>::value); // derived from Vec (Matx)
}
TEST(Core_Types, trivially_copyable_extra)
{
EXPECT_TRUE(std::is_trivially_copyable<cv::KeyPoint>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::DMatch>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::TermCriteria>::value);
EXPECT_TRUE(std::is_trivially_copyable<cv::Moments>::value);
}
#endif
template <typename T> class Rect_Test : public testing::Test {};
TYPED_TEST_CASE_P(Rect_Test);
// Reimplement C++11 std::numeric_limits<>::lowest.
template<typename T> T cv_numeric_limits_lowest();
template<> int cv_numeric_limits_lowest<int>() { return INT_MIN; }
template<> float cv_numeric_limits_lowest<float>() { return -FLT_MAX; }
template<> double cv_numeric_limits_lowest<double>() { return -DBL_MAX; }
TYPED_TEST_P(Rect_Test, Overflows) {
typedef Rect_<TypeParam> R;
TypeParam num_max = std::numeric_limits<TypeParam>::max();
TypeParam num_lowest = cv_numeric_limits_lowest<TypeParam>();
EXPECT_EQ(R(0, 0, 10, 10), R(0, 0, 10, 10) & R(0, 0, 10, 10));
EXPECT_EQ(R(5, 6, 4, 3), R(0, 0, 10, 10) & R(5, 6, 4, 3));
EXPECT_EQ(R(5, 6, 3, 2), R(0, 0, 8, 8) & R(5, 6, 4, 3));
// Test with overflowing dimenions.
EXPECT_EQ(R(5, 0, 5, 10), R(0, 0, 10, 10) & R(5, 0, num_max, num_max));
// Test with overflowing dimensions for floats/doubles.
EXPECT_EQ(R(num_max, 0, num_max / 4, 10), R(num_max, 0, num_max / 2, 10) & R(num_max, 0, num_max / 4, 10));
// Test with overflowing coordinates.
EXPECT_EQ(R(), R(20, 0, 10, 10) & R(num_lowest, 0, 10, 10));
EXPECT_EQ(R(), R(20, 0, 10, 10) & R(0, num_lowest, 10, 10));
EXPECT_EQ(R(), R(num_lowest, 0, 10, 10) & R(0, num_lowest, 10, 10));
}
REGISTER_TYPED_TEST_CASE_P(Rect_Test, Overflows);
typedef ::testing::Types<int, float, double> RectTypes;
INSTANTIATE_TYPED_TEST_CASE_P(Negative_Test, Rect_Test, RectTypes);
}} // namespace