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Fix empty ND-array construction

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This commit is contained in:
Vincent Rabaud
2025-05-26 10:54:28 +02:00
parent e92cfb35f6
commit 4033043488
2 changed files with 21 additions and 2 deletions
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modules/core/test/test_mat.cpp
+19
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@@ -1446,6 +1446,25 @@ TEST(Core_Mat, regression_9507)
EXPECT_EQ(25u, m2.total());
}
TEST(Core_Mat, empty)
{
// Should not crash.
uint8_t data[2] = {0, 1};
cv::Mat mat_nd(/*ndims=*/0, /*sizes=*/nullptr, CV_8UC1, /*data=*/data);
cv::Mat1b mat(0, 0, /*data=*/data, /*steps=*/1);
EXPECT_EQ(mat_nd.dims, 0);
EXPECT_EQ(mat.dims, 2);
#if CV_VERSION_MAJOR < 5
EXPECT_LE(mat_nd.total(), 0u);
EXPECT_TRUE(mat_nd.empty());
#else
EXPECT_LE(mat_nd.total(), 1u);
EXPECT_FALSE(mat_nd.empty());
#endif
EXPECT_EQ(mat.total(), 0u);
EXPECT_TRUE(mat.empty());
}
TEST(Core_InputArray, empty)
{
vector<vector<Point> > data;