use pixstrip_core::error::PixstripError;

#[test]
fn error_display_image_load() {
    let err = PixstripError::ImageLoad {
        path: "/tmp/bad.jpg".into(),
        reason: "corrupt header".into(),
    };
    let msg = err.to_string();
    assert!(msg.contains("/tmp/bad.jpg"));
    assert!(msg.contains("corrupt header"));
}

#[test]
fn error_display_unsupported_format() {
    let err = PixstripError::UnsupportedFormat {
        format: "bmp".into(),
    };
    assert!(err.to_string().contains("bmp"));
}

#[test]
fn error_display_io() {
    let io_err = std::io::Error::new(std::io::ErrorKind::NotFound, "file missing");
    let err = PixstripError::Io(io_err);
    assert!(err.to_string().contains("file missing"));
}

#[test]
fn error_display_output_exists() {
    let err = PixstripError::OutputExists {
        path: "/tmp/out.jpg".into(),
    };
    assert!(err.to_string().contains("/tmp/out.jpg"));
}

#[test]
fn error_display_processing() {
    let err = PixstripError::Processing {
        operation: "resize".into(),
        reason: "invalid dimensions".into(),
    };
    let msg = err.to_string();
    assert!(msg.contains("resize"));
    assert!(msg.contains("invalid dimensions"));
}