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path: root/helix-term/tests/test/movement.rs
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use super::*;

#[tokio::test]
async fn insert_mode_cursor_position() -> anyhow::Result<()> {
    test(TestCase {
        in_text: String::new(),
        in_selection: Selection::single(0, 0),
        in_keys: "i".into(),
        out_text: String::new(),
        out_selection: Selection::single(0, 0),
    })
    .await?;

    test(("#[\n|]#", "i", "#[|\n]#")).await?;
    test(("#[\n|]#", "i<esc>", "#[|\n]#")).await?;
    test(("#[\n|]#", "i<esc>i", "#[|\n]#")).await?;

    Ok(())
}

/// Range direction is preserved when escaping insert mode to normal
#[tokio::test]
async fn insert_to_normal_mode_cursor_position() -> anyhow::Result<()> {
    test(("#[f|]#oo\n", "vll<A-;><esc>", "#[|foo]#\n")).await?;
    test((
        indoc! {"\
                #[f|]#oo
                #(b|)#ar"
        },
        "vll<A-;><esc>",
        indoc! {"\
                #[|foo]#
                #(|bar)#"
        },
    ))
    .await?;

    test((
        indoc! {"\
                #[f|]#oo
                #(b|)#ar"
        },
        "a",
        indoc! {"\
                #[fo|]#o
                #(ba|)#r"
        },
    ))
    .await?;

    test((
        indoc! {"\
                #[f|]#oo
                #(b|)#ar"
        },
        "a<esc>",
        indoc! {"\
                #[f|]#oo
                #(b|)#ar"
        },
    ))
    .await?;

    Ok(())
}

/// Ensure the very initial cursor in an opened file is the width of
/// the first grapheme
#[tokio::test]
async fn cursor_position_newly_opened_file() -> anyhow::Result<()> {
    let test = |content: &str, expected_sel: Selection| -> anyhow::Result<()> {
        let file = helpers::temp_file_with_contents(content)?;
        let mut app = helpers::app_with_file(file.path())?;

        let (view, doc) = helix_view::current!(app.editor);
        let sel = doc.selection(view.id).clone();
        assert_eq!(expected_sel, sel);

        Ok(())
    };

    test("foo", Selection::single(0, 1))?;
    test("๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ foo", Selection::single(0, 7))?;
    test("", Selection::single(0, 0))?;

    Ok(())
}