Function single_variable_in_function

src/selection_range.rs:920–947

()

    #[test]
    fn single_variable_in_function() {
        let content = r#"<?php
function hello() {
    $name = "world";
    echo $name;
}
"#;
        // Position cursor on `$name` in the echo statement (line 3, char 9).
        let results = selection_ranges(content, &[Position::new(3, 9)]);
        assert_eq!(results.len(), 1);
        let ranges = flatten(&results[0]);

        // Should have multiple levels: at minimum variable → expression → statement → block → function → file.
        assert!(
            ranges.len() >= 3,
            "Expected at least 3 selection range levels, got {}",
            ranges.len()
        );

        // The innermost range should be smaller than the outermost.
        let innermost = &ranges[0];
        let outermost = ranges.last().unwrap();
        assert!(
            innermost.start.line >= outermost.start.line
                || innermost.start.character >= outermost.start.character,
            "Innermost range should be within outermost"
        );
    }

    #[test]
    fn class_method_body() {