ruchy 5.0.0-beta.2

use super::*;
use proptest::prelude::*;

proptest! {
    /// Property: Linter creation never panics
    #[test]
    fn test_linter_creation_never_panics(_input: String) {
        let _ = Linter::new();
        let _ = Linter::default();
    }

    /// Property: Rule setting never panics on any string input
    #[test]
    fn test_set_rules_never_panics(rule_string in "\\PC*") {
        let mut linter = Linter::new();
        linter.set_rules(&rule_string);
    }

    /// Property: Strict mode setting always succeeds
    #[test]
    fn test_strict_mode_setting_invariant(strict_flag: bool) {
        let mut linter = Linter::new();
        linter.set_strict_mode(strict_flag);
        assert_eq!(linter.strict_mode, strict_flag);
    }

    /// Property: Rule count is always non-negative after any operation
    #[test]
    fn test_rule_count_invariant(rule_string in "\\PC*") {
        let mut linter = Linter::new();
        linter.set_rules(&rule_string);
        // Rules length is always >= 0 for usize, no need to check
    }

    /// Property: Auto-fix never produces longer strings for simple cases
    #[test]
    fn test_auto_fix_length_property(input in "[a-zA-Z0-9 ]{0,50}") {
        let linter = Linter::new();
        let issues = vec![LintIssue {
            line: 1,
            column: 1,
            severity: "warning".to_string(),
            rule: "style".to_string(),
            message: "spacing".to_string(),
            suggestion: "fix spacing".to_string(),
            issue_type: "style".to_string(),
            name: "spacing".to_string(),
        }];
        if let Ok(fixed) = linter.auto_fix(&input, &issues) {
            // Style fixes should not increase length significantly
            assert!(fixed.len() <= input.len() + 10);
        }
    }
}