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fix output matrix allocation in cv::subtract

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This commit is contained in:
Vladislav Vinogradov
2014-05-07 19:52:35 +04:00
parent e2c7adc7c4
commit 629461c836
2 changed files with 45 additions and 21 deletions
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19
modules/core/test/test_arithm.cpp
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@@ -1580,12 +1580,21 @@ TEST_P(Mul1, One)
INSTANTIATE_TEST_CASE_P(Arithm, Mul1, testing::Values(Size(2, 2), Size(1, 1)));
TEST(Subtract8u8u16s, EmptyOutputMat)
TEST(Subtract, EmptyOutputMat)
{
cv::Mat src1 = cv::Mat::zeros(16, 16, CV_8UC1);
cv::Mat src2 = cv::Mat::zeros(16, 16, CV_8UC1);
cv::Mat dst;
cv::subtract(src1, src2, dst, cv::noArray(), CV_16S);
ASSERT_FALSE(dst.empty());
ASSERT_EQ(0, cv::countNonZero(dst));
cv::Mat dst1, dst2, dst3;
cv::subtract(src1, src2, dst1, cv::noArray(), CV_16S);
cv::subtract(src1, src2, dst2);
cv::subtract(src1, cv::Scalar::all(0), dst3, cv::noArray(), CV_16S);
ASSERT_FALSE(dst1.empty());
ASSERT_FALSE(dst2.empty());
ASSERT_FALSE(dst3.empty());
ASSERT_EQ(0, cv::countNonZero(dst1));
ASSERT_EQ(0, cv::countNonZero(dst2));
ASSERT_EQ(0, cv::countNonZero(dst3));
}