opencv/modules/core/test/test_rotatedrect.cpp
2014-02-21 12:47:01 +05:30

108 lines
4.1 KiB
C++

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#include "test_precomp.hpp"
using namespace cv;
using namespace std;
class Core_RotatedRectConstructorTest : public cvtest::BaseTest
{
public:
Core_RotatedRectConstructorTest();
protected:
int prepare_test_case( int );
void run_func();
int validate_test_results( int );
const static int MAX_COORD_VAL = 1000;
Point2f a, b, c;
RotatedRect rec;
};
Core_RotatedRectConstructorTest::Core_RotatedRectConstructorTest()
{
test_case_count = 100;
}
int Core_RotatedRectConstructorTest::prepare_test_case( int test_case_idx )
{
cvtest::BaseTest::prepare_test_case( test_case_idx );
RNG& rng = ts->get_rng();
a = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL), (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
b = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL) , (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
// to ensure a != b
while( norm(a - b) == 0 ) {
b = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL) , (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
}
Vec2f along(a - b);
Vec2f perp = Vec2f(-along[1], along[0]);
float d = (float) (cvtest::randInt(rng) % MAX_COORD_VAL) + 1.0f; // c can't be same as b, so d must be > 0
c = Point2f( b.x + d * perp[0], b.y + d * perp[1] );
return 1;
}
void Core_RotatedRectConstructorTest::run_func()
{
rec = RotatedRect(a, b, c);
}
int Core_RotatedRectConstructorTest::validate_test_results( int )
{
int code = cvtest::TS::OK;
Point2f vertices[4];
rec.points(vertices);
int count_match = 0;
for( int i = 0; i < 4; i++ )
{
if( norm(vertices[i] - a) <= 0.1 ) count_match++;
else if( norm(vertices[i] - b) <= 0.1 ) count_match++;
else if( norm(vertices[i] - c) <= 0.1 ) count_match++;
}
if( count_match == 3 )
return code;
ts->printf( cvtest::TS::LOG, "RotatedRect end points don't match those supplied in constructor");
ts->set_failed_test_info( cvtest::TS::FAIL_INVALID_OUTPUT );
return code;
}
TEST(Core_RotatedRect, three_point_constructor) { Core_RotatedRectConstructorTest test; test.safe_run(); }