ASSERT_NE( strstr(str.c_str(), "4.5"), (char*)0 );
}
+
+TEST(Features2d_DMatch, issue_11855)
+{
+ Mat sources = (Mat_<uchar>(2, 3) << 1, 1, 0,
+ 1, 1, 1);
+ Mat targets = (Mat_<uchar>(2, 3) << 1, 1, 1,
+ 0, 0, 0);
+
+ Ptr<BFMatcher> bf = BFMatcher::create(NORM_HAMMING, true);
+ vector<vector<DMatch> > match;
+ bf->knnMatch(sources, targets, match, 1, noArray(), true);
+
+ ASSERT_EQ((size_t)1, match.size());
+ ASSERT_EQ((size_t)1, match[0].size());
+ EXPECT_EQ(1, match[0][0].queryIdx);
+ EXPECT_EQ(0, match[0][0].trainIdx);
+ EXPECT_EQ(0.0f, match[0][0].distance);
+}
+
}} // namespace