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-rw-r--r--test/array_for_matrix.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/array_for_matrix.cpp b/test/array_for_matrix.cpp
index 9667e1f14..db5f3b34a 100644
--- a/test/array_for_matrix.cpp
+++ b/test/array_for_matrix.cpp
@@ -68,6 +68,16 @@ template<typename MatrixType> void array_for_matrix(const MatrixType& m)
const Scalar& ref_a2 = m.array().matrix().coeffRef(0,0);
VERIFY(&ref_a1 == &ref_m1);
VERIFY(&ref_a2 == &ref_m2);
+
+ // Check write accessors:
+ m1.array().coeffRef(0,0) = 1;
+ VERIFY_IS_APPROX(m1(0,0),Scalar(1));
+ m1.array()(0,0) = 2;
+ VERIFY_IS_APPROX(m1(0,0),Scalar(2));
+ m1.array().matrix().coeffRef(0,0) = 3;
+ VERIFY_IS_APPROX(m1(0,0),Scalar(3));
+ m1.array().matrix()(0,0) = 4;
+ VERIFY_IS_APPROX(m1(0,0),Scalar(4));
}
template<typename MatrixType> void comparisons(const MatrixType& m)