89f1e855bb
This reverts commit 12afe2917af4c30fc4a17316e453d0830072642c to avoid conflict with #1015.
207 lines
11 KiB
Rust
207 lines
11 KiB
Rust
#![cfg(feature = "serde-serialize")]
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//! Serialization tests
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#[cfg(any(not(feature = "proptest-support"), not(feature = "compare")))]
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compile_error!("Tests must be run with features `proptest-support` and `compare`");
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#[macro_use]
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pub mod common;
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use nalgebra_sparse::coo::CooMatrix;
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use nalgebra_sparse::csc::CscMatrix;
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use nalgebra_sparse::csr::CsrMatrix;
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use nalgebra_sparse::pattern::SparsityPattern;
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use proptest::prelude::*;
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use serde::{Deserialize, Serialize};
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use crate::common::{csc_strategy, csr_strategy};
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fn json_roundtrip<T: Serialize + for<'a> Deserialize<'a>>(csr: &T) -> T {
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let serialized = serde_json::to_string(csr).unwrap();
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let deserialized: T = serde_json::from_str(&serialized).unwrap();
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deserialized
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}
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#[test]
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fn pattern_roundtrip() {
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{
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// A pattern with zero explicitly stored entries
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let pattern =
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SparsityPattern::try_from_offsets_and_indices(3, 2, vec![0, 0, 0, 0], Vec::new())
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.unwrap();
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assert_eq!(json_roundtrip(&pattern), pattern);
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}
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{
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// Arbitrary pattern
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let offsets = vec![0, 2, 2, 5];
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let indices = vec![0, 5, 1, 2, 3];
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let pattern =
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SparsityPattern::try_from_offsets_and_indices(3, 6, offsets.clone(), indices.clone())
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.unwrap();
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assert_eq!(json_roundtrip(&pattern), pattern);
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}
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}
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#[test]
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#[rustfmt::skip]
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fn pattern_deserialize_invalid() {
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0,2,2,5],"minor_indices":[0,5,1,2,3]}"#).is_ok());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":0,"minor_dim":0,"major_offsets":[],"minor_indices":[]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 3, 5],"minor_indices":[0, 1, 2, 3, 5]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[1, 2, 2, 5],"minor_indices":[0, 5, 1, 2, 3]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 2, 2, 4],"minor_indices":[0, 5, 1, 2, 3]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 2, 2],"minor_indices":[0, 5, 1, 2, 3]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 3, 2, 5],"minor_indices":[0, 1, 2, 3, 4]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 2, 2, 5],"minor_indices":[0, 2, 3, 1, 4]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 2, 2, 5],"minor_indices":[0, 6, 1, 2, 3]}"#).is_err());
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assert!(serde_json::from_str::<SparsityPattern>(r#"{"major_dim":3,"minor_dim":6,"major_offsets":[0, 2, 2, 5],"minor_indices":[0, 5, 2, 2, 3]}"#).is_err());
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}
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#[test]
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fn coo_roundtrip() {
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{
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// A COO matrix without entries
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let matrix =
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CooMatrix::<i32>::try_from_triplets(3, 2, Vec::new(), Vec::new(), Vec::new()).unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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{
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// Arbitrary COO matrix, no duplicates
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let i = vec![0, 1, 0, 0, 2];
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let j = vec![0, 2, 1, 3, 3];
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let v = vec![2, 3, 7, 3, 1];
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let matrix =
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CooMatrix::<i32>::try_from_triplets(3, 5, i.clone(), j.clone(), v.clone()).unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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}
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#[test]
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fn coo_deserialize_invalid() {
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// Valid matrix: {"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,1]}
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,1]}"#).is_ok());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":0,"ncols":0,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":-3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,4,5]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,8,3],"values":[2,3,7,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0],"col_indices":[0,2,1,8,3],"values":[2,3,7,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,10,0,0,2],"col_indices":[0,2,1,3,3],"values":[2,3,7,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CooMatrix<i32>>(r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2],"col_indices":[0,2,1,30,3],"values":[2,3,7,3,4]}"#).is_err());
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}
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#[test]
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fn coo_deserialize_duplicates() {
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assert_eq!(
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serde_json::from_str::<CooMatrix<i32>>(
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r#"{"nrows":3,"ncols":5,"row_indices":[0,1,0,0,2,0,1],"col_indices":[0,2,1,3,3,0,2],"values":[2,3,7,3,1,5,6]}"#
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).unwrap(),
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CooMatrix::<i32>::try_from_triplets(
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3,
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5,
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vec![0, 1, 0, 0, 2, 0, 1],
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vec![0, 2, 1, 3, 3, 0, 2],
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vec![2, 3, 7, 3, 1, 5, 6]
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)
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.unwrap()
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);
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}
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#[test]
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fn csc_roundtrip() {
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{
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// A CSC matrix with zero explicitly stored entries
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let offsets = vec![0, 0, 0, 0];
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let indices = vec![];
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let values = Vec::<i32>::new();
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let matrix = CscMatrix::try_from_csc_data(2, 3, offsets, indices, values).unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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{
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// An arbitrary CSC matrix
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let offsets = vec![0, 2, 2, 5];
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let indices = vec![0, 5, 1, 2, 3];
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let values = vec![0, 1, 2, 3, 4];
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let matrix =
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CscMatrix::try_from_csc_data(6, 3, offsets.clone(), indices.clone(), values.clone())
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.unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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}
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#[test]
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fn csc_deserialize_invalid() {
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// Valid matrix: {"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_ok());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":0,"ncols":0,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":-6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4,5]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,8,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3,1,1],"values":[0,1,2,3,4]}"#).is_err());
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// The following actually panics ('range end index 10 out of range for slice of length 5', nalgebra-sparse\src\pattern.rs:156:38)
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//assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,10,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CscMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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}
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#[test]
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fn csr_roundtrip() {
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{
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// A CSR matrix with zero explicitly stored entries
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let offsets = vec![0, 0, 0, 0];
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let indices = vec![];
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let values = Vec::<i32>::new();
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let matrix = CsrMatrix::try_from_csr_data(3, 2, offsets, indices, values).unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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{
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// An arbitrary CSR matrix
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let offsets = vec![0, 2, 2, 5];
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let indices = vec![0, 5, 1, 2, 3];
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let values = vec![0, 1, 2, 3, 4];
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let matrix =
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CsrMatrix::try_from_csr_data(3, 6, offsets.clone(), indices.clone(), values.clone())
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.unwrap();
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assert_eq!(json_roundtrip(&matrix), matrix);
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}
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}
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#[test]
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fn csr_deserialize_invalid() {
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// Valid matrix: {"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_ok());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":0,"ncols":0,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":-3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4,5]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,8,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,2,2,5],"col_indices":[0,5,1,2,3,1,1],"values":[0,1,2,3,4]}"#).is_err());
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// The following actually panics ('range end index 10 out of range for slice of length 5', nalgebra-sparse\src\pattern.rs:156:38)
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//assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":3,"ncols":6,"row_offsets":[0,10,2,5],"col_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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assert!(serde_json::from_str::<CsrMatrix<i32>>(r#"{"nrows":6,"ncols":3,"col_offsets":[0,2,2,5],"row_indices":[0,5,1,2,3],"values":[0,1,2,3,4]}"#).is_err());
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}
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proptest! {
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#[test]
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fn csc_roundtrip_proptest(csc in csc_strategy()) {
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prop_assert_eq!(json_roundtrip(&csc), csc);
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}
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#[test]
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fn csr_roundtrip_proptest(csr in csr_strategy()) {
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prop_assert_eq!(json_roundtrip(&csr), csr);
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}
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}
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