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core: forbid handling of the case when src=dst in cv::repeat

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This commit is contained in:
Vladislav Sovrasov 2017-06-26 12:30:03 +03:00
parent cc021e555b
commit 4f9871817a
2 changed files with 10 additions and 0 deletions
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1
modules/core/src/copy.cpp
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@ -856,6 +856,7 @@ void repeat(InputArray _src, int ny, int nx, OutputArray _dst)
{
CV_INSTRUMENT_REGION()
CV_Assert(_src.getObj() != _dst.getObj());
CV_Assert( _src.dims() <= 2 );
CV_Assert( ny > 0 && nx > 0 );

9
modules/core/test/test_misc.cpp
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@ -145,3 +145,12 @@ TEST(Core_String, end_method_regression)
cv::String new_string(old_string.begin(), old_string.end());
EXPECT_EQ(6u, new_string.size());
}
TEST(Core_Copy, repeat_regression_8972)
{
Mat src = (Mat_<int>(1, 4) << 1, 2, 3, 4);
ASSERT_ANY_THROW({
repeat(src, 5, 1, src);
});
}