From 9a38c554af63ac3dc147e6376c670a43afec18f4 Mon Sep 17 00:00:00 2001 From: lukas Date: Sun, 2 Oct 2022 11:57:37 -0700 Subject: [PATCH] add test case --- nalgebra-sparse/tests/unit_tests/coo.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/nalgebra-sparse/tests/unit_tests/coo.rs b/nalgebra-sparse/tests/unit_tests/coo.rs index d232b041..fae0144a 100644 --- a/nalgebra-sparse/tests/unit_tests/coo.rs +++ b/nalgebra-sparse/tests/unit_tests/coo.rs @@ -87,6 +87,26 @@ fn coo_construction_for_valid_data() { } } +#[test] +fn coo_triplets_iter_mut() { + // Arbitrary matrix, with duplicates + let i = vec![0, 1, 0, 0, 0, 0, 2, 1]; + let j = vec![0, 2, 0, 1, 0, 3, 3, 2]; + let v = vec![2, 3, 4, 7, 1, 3, 1, 5]; + let mut coo = + CooMatrix::::try_from_triplets(3, 5, i.clone(), j.clone(), v.clone()).unwrap(); + coo.triplet_iter_mut().for_each(|(_i, _j, v)| *v = *v * *v); + + let expected_triplets: Vec<_> = i + .iter() + .zip(&j) + .zip(&v) + .map(|((i, j), v)| (*i, *j, v * v)) + .collect(); + let actual_triplets: Vec<_> = coo.triplet_iter().map(|(i, j, v)| (i, j, *v)).collect(); + assert_eq!(expected_triplets, actual_triplets) +} + #[test] fn coo_try_from_triplets_reports_out_of_bounds_indices() { {