// SC2252: Prefer [[ ]] or quote to avoid word splitting (placeholder - overlaps SC2086)
use crate::linter::LintResult;

pub fn check(_source: &str) -> LintResult {
    // Placeholder: This rule overlaps with SC2086 (unquoted variable expansion)
    // General word splitting prevention is already covered
    // Implementation deferred as it duplicates existing functionality
    LintResult::new()
}

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn test_sc2252_placeholder() {
        let code = "[ $var = test ]";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder - covered by SC2086
    }
    #[test]
    fn test_sc2252_quoted_ok_placeholder() {
        let code = r#"[ "$var" = test ]"#;
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2252_double_bracket_placeholder() {
        let code = "[[ $var = test ]]";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2252_comment() {
        let code = "# comment";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2252_no_code() {
        let code = "";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2252_simple() {
        let code = "echo test";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2252_file_test_placeholder() {
        let code = "[ -f $file ]";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2252_numeric_placeholder() {
        let code = "[ $num -eq 5 ]";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2252_string_compare_placeholder() {
        let code = "[ $a != $b ]";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2252_in_if_placeholder() {
        let code = "if [ $status = success ]; then";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
}
