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added note about cv::reduce output type for MIN/MAX

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This commit is contained in:
Ilya Lavrenov
2016-07-14 16:09:28 +03:00
parent 9bda0546f8
commit 0af3947468
2 changed files with 14 additions and 3 deletions
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11
modules/core/test/test_mat.cpp
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@@ -1509,3 +1509,14 @@ TEST(Mat, regression_6696_BigData_8Gb)
EXPECT_EQ(4, destImageBGR.at<Vec4b>(height-1, width-1)[3]);
}
#endif
TEST(Reduce, regression_should_fail_bug_4594)
{
cv::Mat src = cv::Mat::eye(4, 4, CV_8U);
std::vector<int> dst;
EXPECT_THROW(cv::reduce(src, dst, 0, CV_REDUCE_MIN, CV_32S), cv::Exception);
EXPECT_THROW(cv::reduce(src, dst, 0, CV_REDUCE_MAX, CV_32S), cv::Exception);
EXPECT_NO_THROW(cv::reduce(src, dst, 0, CV_REDUCE_SUM, CV_32S));
EXPECT_NO_THROW(cv::reduce(src, dst, 0, CV_REDUCE_AVG, CV_32S));
}