70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#include "test_precomp.hpp"
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using namespace cv;
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using namespace std;
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TEST(Core_Drawing, _914)
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{
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const int rows = 256;
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const int cols = 256;
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Mat img(rows, cols, CV_8UC1, Scalar(255));
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line(img, Point(0, 10), Point(255, 10), Scalar(0), 2, 4);
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line(img, Point(-5, 20), Point(260, 20), Scalar(0), 2, 4);
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line(img, Point(10, 0), Point(10, 255), Scalar(0), 2, 4);
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double x0 = 0.0/pow(2.0, -2.0);
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double x1 = 255.0/pow(2.0, -2.0);
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double y = 30.5/pow(2.0, -2.0);
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line(img, Point(int(x0), int(y)), Point(int(x1), int(y)), Scalar(0), 2, 4, 2);
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int pixelsDrawn = rows*cols - countNonZero(img);
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ASSERT_EQ( (3*rows + cols)*3 - 3*9, pixelsDrawn);
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}
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TEST(Core_OutputArraySreate, _1997)
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{
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struct local {
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static void create(OutputArray arr, Size submatSize, int type)
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{
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int sizes[] = {submatSize.width, submatSize.height};
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arr.create(sizeof(sizes)/sizeof(sizes[0]), sizes, type);
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}
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};
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Mat mat(Size(512, 512), CV_8U);
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Size submatSize = Size(256, 256);
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ASSERT_NO_THROW(local::create( mat(Rect(Point(), submatSize)), submatSize, mat.type() ));
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}
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TEST(Core_SaturateCast, NegativeNotClipped)
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{
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double d = -1.0;
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unsigned int val = cv::saturate_cast<unsigned int>(d);
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ASSERT_EQ(0xffffffff, val);
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}
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TEST(Core_Drawing, polylines_empty)
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{
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Mat img(100, 100, CV_8UC1, Scalar(0));
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vector<Point> pts; // empty
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polylines(img, pts, false, Scalar(255));
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int cnt = countNonZero(img);
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ASSERT_EQ(cnt, 0);
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}
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TEST(Core_Drawing, polylines)
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{
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Mat img(100, 100, CV_8UC1, Scalar(0));
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vector<Point> pts;
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pts.push_back(Point(0, 0));
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pts.push_back(Point(20, 0));
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polylines(img, pts, false, Scalar(255));
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int cnt = countNonZero(img);
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ASSERT_EQ(cnt, 21);
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} |