use super::LineDiffContent; #[test]fn original_text_strips_addition_prefix() {    let content = LineDiffContent::from_content("+added line");    assert_eq!(content.original_text(), "added line");} #[test]fn original_text_strips_deletion_prefix() {    let content = LineDiffContent::from_content("-deleted line");    assert_eq!(content.original_text(), "deleted line");} #[test]fn original_text_preserves_markdown_list_dash_in_addition() {    let content = LineDiffContent::from_content("+- list item");    assert_eq!(content.original_text(), "- list item");} #[test]fn original_text_preserves_dash_only_content_in_addition() {    let content = LineDiffContent::from_content("+-");    assert_eq!(content.original_text(), "-");} #[test]fn original_text_strips_only_one_leading_plus() {    let content = LineDiffContent::from_content("++text");    assert_eq!(content.original_text(), "+text");} #[test]fn original_text_strips_only_one_leading_minus() {    let content = LineDiffContent::from_content("--text");    assert_eq!(content.original_text(), "-text");} #[test]fn original_text_preserves_space_prefixed_content() {    let content = LineDiffContent {        content: " - context list item".to_string(),        ..Default::default()    };    assert_eq!(content.original_text(), " - context list item");} #[test]fn original_text_strips_trailing_newline() {    let content = LineDiffContent::from_content("+added line\n");    assert_eq!(content.original_text(), "added line");} #[test]fn original_text_handles_empty_content() {    let content = LineDiffContent::from_content("");    assert_eq!(content.original_text(), "");} #[test]fn original_text_handles_plain_text_without_prefix() {    let content = LineDiffContent {        content: "no prefix".to_string(),        ..Default::default()    };    assert_eq!(content.original_text(), "no prefix");} #[test]fn imported_original_text_strips_context_space_prefix() {    let content = LineDiffContent {        content: " line 2".to_string(),        ..Default::default()    };    assert_eq!(content.imported_original_text(), "line 2");} #[test]fn imported_original_text_strips_only_one_leading_space() {    let content = LineDiffContent {        content: "  indented".to_string(),        ..Default::default()    };    assert_eq!(content.imported_original_text(), " indented");} #[test]fn imported_original_text_strips_addition_and_deletion_markers() {    assert_eq!(        LineDiffContent::from_content("+add").imported_original_text(),        "add"    );    assert_eq!(        LineDiffContent::from_content("-del").imported_original_text(),        "del"    );} #[test]fn imported_original_text_handles_blank_context_line() {    let content = LineDiffContent {        content: " ".to_string(),        ..Default::default()    };    assert_eq!(content.imported_original_text(), "");} #[test]fn imported_original_text_strips_only_one_marker_for_markdown_list() {    // Addition of a markdown list item: `+- list`. Only the diff `+` is stripped.    let content = LineDiffContent::from_content("+- list");    assert_eq!(content.imported_original_text(), "- list");}