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mod playground;
mod solver;
mod mysolver;
use mysolver::MySolver;
use playground::Playground;
use solver::Solver;
#[cfg(test)]
mod tests {
// Note this useful idiom: importing names from outer (for mod tests) scope.
use super::*;
#[test]
fn test_sudoku_1() {
let field = r#"7 0 6 3 0 8 0 0 9
0 0 0 2 6 0 3 0 0
0 5 0 0 0 0 0 8 0
0 0 0 9 0 1 8 0 2
4 0 0 0 0 0 0 0 6
9 0 3 8 0 6 0 0 0
0 9 0 0 0 0 0 7 0
0 0 5 0 2 4 0 0 0
6 0 0 1 0 3 2 0 4"#;
exec_test(field);
}
#[test]
fn test_sudoku_2() {
let field = r#"{0,0,4,1,0,0,3,0,0},
{0,7,0,0,0,8,0,0,1},
{0,0,0,0,0,0,7,0,9},
{8,0,3,0,5,9,0,0,2},
{0,0,9,6,0,1,5,0,0},
{1,0,0,8,2,0,9,0,4},
{6,0,1,0,0,0,0,0,0},
{4,0,0,3,0,0,0,9,0},
{0,0,8,0,0,4,2,0,0}};"#;
exec_test(field);
}
#[test]
fn test_sudoku_3() {
let field = r#"{0,0,0,0,2,3,4,0,8},
{0,0,0,0,7,4,6,9,0},
{0,0,0,8,9,0,0,0,7},
{0,0,9,3,0,0,7,4,0},
{0,7,0,0,4,0,0,3,0},
{0,8,3,0,0,7,2,0,0},
{5,0,0,0,1,9,0,0,0},
{0,9,2,4,3,0,0,0,0},
{3,0,6,7,5,0,0,0,0}}"#;
exec_test(field);
}
#[test]
fn test_sudoku_4() {
let field = r#"{0,0,0,0,6,0,0,3,0},
{0,9,6,0,0,5,0,0,4},
{0,0,0,7,0,1,0,6,0},
{0,1,0,0,0,3,0,9,5},
{0,4,9,0,1,0,7,2,0},
{7,3,0,5,0,0,0,1,0},
{0,6,0,9,0,7,0,0,0},
{4,0,0,8,0,0,9,5,0},
{0,2,0,0,5,0,0,0,0}}"#;
exec_test(field);
}
#[test]
fn test_sudoku_5() {
let field = r#"{9,0,6,1,0,7,3,0,4},
{0,8,3,0,0,5,0,0,7},
{0,0,0,0,0,0,2,0,9},
{8,4,5,3,7,1,9,2,6},
{3,0,2,5,6,8,0,0,1},
{1,0,7,9,2,4,0,3,0},
{6,0,9,4,3,2,7,0,8},
{0,3,0,0,1,6,5,0,0},
{2,1,8,7,5,0,0,0,3}}"#;
exec_test(field);
}
#[test]
fn test_sudoku_6() {
let field = r#"{0,8,0,0,0,0,0,0,0},
{0,0,0,6,3,0,0,4,1},
{0,0,0,5,0,0,0,0,0},
{0,0,0,0,0,0,0,9,0},
{0,0,0,0,0,0,0,5,0},
{9,0,0,0,0,0,0,0,0},
{0,0,0,8,0,2,0,0,0},
{0,5,0,0,9,0,0,0,0},
{0,0,0,4,5,0,9,0,0}}"#;
exec_test(field);
}
#[test]
fn test_sudoku_7() {
let field = r#"{0,0,0,0,0,7,0,2,0},
{0,0,4,0,0,0,0,3,0},
{0,1,0,0,9,0,0,0,5},
{0,0,0,0,0,6,3,0,0},
{6,0,0,0,0,0,1,7,0},
{0,7,3,4,0,0,0,0,2},
{0,0,0,0,6,0,0,9,0},
{3,0,7,0,8,0,5,0,0},
{0,5,1,0,0,0,0,0,0}}"#;
exec_test(field);
}
#[test]
fn test_sudoku_8() {
let field = r#"{0,0,0,0,0,0,0,1,0},
{0,3,0,0,0,4,0,0,0},
{0,0,0,0,0,0,3,9,0},
{0,4,0,8,0,2,0,0,0},
{5,0,0,0,0,0,0,0,0},
{0,0,9,0,6,0,2,5,0},
{8,0,0,0,3,0,9,0,0},
{9,0,0,4,0,0,0,8,0},
{1,0,0,6,0,9,0,0,5}}"#;
exec_test(field);
}
/**
* Tests if the solver can cope with
* an empty board
*/
#[test]
fn test_sudoku_empty() {
let field = r#"{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}}"#;
exec_test(field);
}
fn exec_test(field : &str) {
let pg = Playground::from(field);
let solver = MySolver::new();
let result = solver.solve(&pg);
assert!(result.is_some());
let result_pg = result.unwrap();
assert!(result_pg.is_valid());
assert!(result_pg.is_solved());
assert!(result_pg.contains(&pg));
}
}
fn main() {
let field = r#"{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}}"#;
let pg = Playground::from(field);
pg.print();
let solver = MySolver::new();
println!("");
if let Some(result) = solver.solve(&pg) {
result.print();
if !result.contains(&pg) {
println!("Solver modified predefined fields!")
} if !result.is_valid() {
println!("Solver has not correctly solved the sudoku!")
} else if !result.is_solved() {
println!("Solver was not able to solve the sudoku!")
}
assert!(result.contains(&pg));
} else {
println!("Solver was not able to resolve the sodoku!")
}
}