Function class_references_no_duplicates

tests/integration/references.rs:132–166

()

#[test]
fn class_references_no_duplicates() {
    let backend = create_test_backend();
    let uri = "file:///tmp/test_refs_class.php";
    let content = r#"<?php

class Foo {
    public function bar(): void {}
}

class Baz {
    public function test(): void {
        $f = new Foo();
        $g = new Foo();
    }
}
"#;

    open_file(&backend, uri, content);

    // Cursor on `Foo` in the class declaration (line 2, col 6)
    let results = backend
        .find_references(uri, content, Position::new(2, 6), true)
        .expect("should find references");

    assert_no_duplicates(&results, "class_references");

    // We expect exactly 3: the declaration + 2 usages in `new Foo()`
    assert_eq!(
        results.len(),
        3,
        "Expected 3 references (1 declaration + 2 usages), got {}: {:#?}",
        results.len(),
        results
    );
}

#[test]
fn class_references_without_declaration_no_duplicates() {