// SC2226: Quote command substitution to prevent word splitting (placeholder - overlaps SC2086)
#[allow(unused_imports)]
use crate::linter::LintResult;

pub fn check(_source: &str) -> LintResult {
    // Placeholder: This rule overlaps with SC2086 (unquoted variable expansion)
    // Command substitution quoting is already covered by general quoting rules
    // Implementation deferred as it duplicates existing functionality
    LintResult::new()
}

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn test_sc2226_placeholder() {
        let code = "var=$(cmd)";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_quoted_placeholder() {
        let code = r#"var="$(cmd)""#;
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_comment_placeholder() {
        let code = "# comment";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2226_no_code_placeholder() {
        let code = "";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2226_simple_placeholder() {
        let code = "echo test";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0);
    }
    #[test]
    fn test_sc2226_nested_placeholder() {
        let code = "var=$(echo $(date))";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_in_function_placeholder() {
        let code = "foo() { local x=$(cmd); }";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_multiple_placeholder() {
        let code = "a=$(cmd1); b=$(cmd2)";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_in_test_placeholder() {
        let code = r#"[ "$(cmd)" = "value" ]"#;
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder
    }
    #[test]
    fn test_sc2226_backticks_placeholder() {
        let code = "var=`cmd`";
        let result = check(code);
        assert_eq!(result.diagnostics.len(), 0); // Placeholder - covered by SC2225
    }
}
