// SC2250: Prefer $((..)) over 'let' for arithmetic (placeholder - overlaps SC2219)
#[allow(unused_imports)]
use crate::linter::LintResult;

pub fn check(_source: &str) -> LintResult {
    // Placeholder: This rule is covered by SC2219 (prefer (( )) to let)
    // Arithmetic syntax recommendation is already handled
    // Implementation deferred as it duplicates existing functionality
    LintResult::new()
}

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn test_sc2250_placeholder() {
        let code = "let x=5";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder - covered by SC2219
    }
    #[test]
    fn test_sc2250_double_paren_placeholder() {
        let code = "(( x = 5 ))";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2250_comment_placeholder() {
        let code = "# comment";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2250_no_code_placeholder() {
        let code = "";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2250_simple_placeholder() {
        let code = "echo test";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2250_increment_placeholder() {
        let code = "let count++";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder - covered by SC2219
    }
    #[test]
    fn test_sc2250_arithmetic_placeholder() {
        let code = "let result=a+b";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder - covered by SC2219
    }
    #[test]
    fn test_sc2250_dollar_double_paren_placeholder() {
        let code = "x=$(( a + b ))";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2250_expr_placeholder() {
        let code = "x=$(expr 1 + 2)";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2250_assignment_placeholder() {
        let code = "x=$((y + 1))";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
}
