thread-language 0.1.1

Language definitions and parsers for Thread
Documentation 
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#![cfg(test)]

// SPDX-FileCopyrightText: 2022 Herrington Darkholme <2883231+HerringtonDarkholme@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Knitli Inc. <knitli@knit.li>
// SPDX-FileContributor: Adam Poulemanos <adam@knit.li>
//
// SPDX-License-Identifier: AGPL-3.0-or-later AND MIT
use super::*;

fn test_match(query: &str, source: &str) {
    use crate::test::test_match_lang;
    test_match_lang(query, source, Cpp);
}

#[test]
fn test_cpp_pattern() {
    test_match("$A->b()", "expr->b()");
    test_match("if (a) { $$$VERYLONGNAME }", "if (a) { a;b;c; }");
    test_match("expr->$B()", "expr->b()");
    test_match("ns::ns2::$F()", "ns::ns2::func()");
    test_match("template <typename $T>", "template <typename T>");
    test_match("if constexpr ($C) {}", "if constexpr (13+5==18) {}");
    test_match(
        "template <typename T> typename std::enable_if<$C, T>::type;",
        "template <typename T> typename std::enable_if<std::is_signed<T>::value, T>::type;",
    );
    test_match("if ($A)", "if (a | b) abc;");
    // see https://github.com/ast-grep/ast-grep/issues/1791
    test_match("struct $A: $B", "struct A: B {}");
}

fn test_replace(src: &str, pattern: &str, replacer: &str) -> String {
    use crate::test::test_replace_lang;
    test_replace_lang(src, pattern, replacer, Cpp)
}

#[test]
fn test_cpp_replace() {
    let ret = test_replace("expr->b()", "$A->b()", "func($A)->b()");
    assert_eq!(ret, "func(expr)->b()");
    let ret = test_replace("if (a) { a;b;c; }", "if (a) { $$$A }", "$$$A");
    assert_eq!(ret, "a;b;c;");
    // https://stackoverflow.com/questions/78663351
    let ret = test_replace(
        "if (a) { a;b;c; }",
        "if (a) { $$$VERYLONGNAME }",
        "$$$VERYLONGNAME",
    );
    assert_eq!(ret, "a;b;c;");
}