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Add (failing) test for empty matrix market matrix

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This commit is contained in:
Andreas Longva 2021-12-01 11:27:03 +01:00
parent 4c039573f2
commit 4d0f401882
1 changed files with 18 additions and 0 deletions
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18
nalgebra-sparse/tests/unit_tests/matrix_market.rs
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@ -4,6 +4,24 @@ use nalgebra::Complex;
use nalgebra_sparse::io::load_coo_from_matrix_market_str;
use nalgebra_sparse::CooMatrix;
#[test]
#[rustfmt::skip]
fn test_matrixmarket_sparse_real_general_empty() {
// Test several valid zero-shapes of a matrix
let shapes = vec![ (0, 0), (1, 0), (0, 1) ];
let strings: Vec<String> = shapes
.into_iter()
.map(|(m, n)| format!("%%MatrixMarket matrix coordinate real general\n {} {} 0", m, n))
.collect();
for string in &strings {
let sparse_mat = load_coo_from_matrix_market_str::<f32>(string).unwrap();
assert_eq!(sparse_mat.nrows(), 0);
assert_eq!(sparse_mat.ncols(), 0);
assert_eq!(sparse_mat.nnz(), 0);
}
}
#[test]
#[rustfmt::skip]
fn test_matrixmarket_sparse_real_general() {